Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/spa.c @ 10685:931790026ac6
6846163 ZFS continues to use faulted logzilla, bringing system to a crawl
6872547 ztest LUN expansion test fails
6873635 zdb should be able to open a pool with a failed slog
6873654 system panics when a slog device is offlined
6875236 zdb should be able to dump the spa history
| author | George Wilson <George.Wilson@Sun.COM> |
|---|---|
| date | Tue, 29 Sep 2009 07:29:35 -0700 |
| parents | cee5a0f557db |
| children | 2a6b5dc1374c |
| rev | line source |
|---|---|
| 789 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
| 1544 | 5 * Common Development and Distribution License (the "License"). |
| 6 * You may not use this file except in compliance with the License. | |
| 789 | 7 * |
| 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 * or http://www.opensolaris.org/os/licensing. | |
| 10 * See the License for the specific language governing permissions | |
| 11 * and limitations under the License. | |
| 12 * | |
| 13 * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 * If applicable, add the following below this CDDL HEADER, with the | |
| 16 * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 * | |
| 19 * CDDL HEADER END | |
| 20 */ | |
| 2082 | 21 |
| 789 | 22 /* |
|
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23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
| 789 | 24 * Use is subject to license terms. |
| 25 */ | |
| 26 | |
| 27 /* | |
| 28 * This file contains all the routines used when modifying on-disk SPA state. | |
| 29 * This includes opening, importing, destroying, exporting a pool, and syncing a | |
| 30 * pool. | |
| 31 */ | |
| 32 | |
| 33 #include <sys/zfs_context.h> | |
| 1544 | 34 #include <sys/fm/fs/zfs.h> |
| 789 | 35 #include <sys/spa_impl.h> |
| 36 #include <sys/zio.h> | |
| 37 #include <sys/zio_checksum.h> | |
| 38 #include <sys/zio_compress.h> | |
| 39 #include <sys/dmu.h> | |
| 40 #include <sys/dmu_tx.h> | |
| 41 #include <sys/zap.h> | |
| 42 #include <sys/zil.h> | |
| 43 #include <sys/vdev_impl.h> | |
| 44 #include <sys/metaslab.h> | |
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45 #include <sys/metaslab_impl.h> |
| 789 | 46 #include <sys/uberblock_impl.h> |
| 47 #include <sys/txg.h> | |
| 48 #include <sys/avl.h> | |
| 49 #include <sys/dmu_traverse.h> | |
| 3912 | 50 #include <sys/dmu_objset.h> |
| 789 | 51 #include <sys/unique.h> |
| 52 #include <sys/dsl_pool.h> | |
| 3912 | 53 #include <sys/dsl_dataset.h> |
| 789 | 54 #include <sys/dsl_dir.h> |
| 55 #include <sys/dsl_prop.h> | |
| 3912 | 56 #include <sys/dsl_synctask.h> |
| 789 | 57 #include <sys/fs/zfs.h> |
| 5450 | 58 #include <sys/arc.h> |
| 789 | 59 #include <sys/callb.h> |
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60 #include <sys/systeminfo.h> |
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61 #include <sys/sunddi.h> |
| 6423 | 62 #include <sys/spa_boot.h> |
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63 #include <sys/zfs_ioctl.h> |
| 789 | 64 |
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65 #ifdef _KERNEL |
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66 #include <sys/zone.h> |
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67 #endif /* _KERNEL */ |
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68 |
| 5094 | 69 #include "zfs_prop.h" |
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70 #include "zfs_comutil.h" |
| 5094 | 71 |
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72 enum zti_modes { |
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73 zti_mode_fixed, /* value is # of threads (min 1) */ |
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74 zti_mode_online_percent, /* value is % of online CPUs */ |
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75 zti_mode_tune, /* fill from zio_taskq_tune_* */ |
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76 zti_nmodes |
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77 }; |
| 2986 | 78 |
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79 #define ZTI_THREAD_FIX(n) { zti_mode_fixed, (n) } |
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80 #define ZTI_THREAD_PCT(n) { zti_mode_online_percent, (n) } |
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81 #define ZTI_THREAD_TUNE { zti_mode_tune, 0 } |
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82 |
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83 #define ZTI_THREAD_ONE ZTI_THREAD_FIX(1) |
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84 |
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85 typedef struct zio_taskq_info { |
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86 const char *zti_name; |
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87 struct { |
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88 enum zti_modes zti_mode; |
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89 uint_t zti_value; |
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90 } zti_nthreads[ZIO_TASKQ_TYPES]; |
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91 } zio_taskq_info_t; |
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92 |
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93 static const char *const zio_taskq_types[ZIO_TASKQ_TYPES] = { |
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94 "issue", "intr" |
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95 }; |
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96 |
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97 const zio_taskq_info_t zio_taskqs[ZIO_TYPES] = { |
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98 /* ISSUE INTR */ |
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99 { "spa_zio_null", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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100 { "spa_zio_read", { ZTI_THREAD_FIX(8), ZTI_THREAD_TUNE } }, |
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101 { "spa_zio_write", { ZTI_THREAD_TUNE, ZTI_THREAD_FIX(8) } }, |
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102 { "spa_zio_free", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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103 { "spa_zio_claim", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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104 { "spa_zio_ioctl", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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105 }; |
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106 |
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107 enum zti_modes zio_taskq_tune_mode = zti_mode_online_percent; |
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108 uint_t zio_taskq_tune_value = 80; /* #threads = 80% of # online CPUs */ |
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109 |
| 5094 | 110 static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
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111 static boolean_t spa_has_active_shared_spare(spa_t *spa); |
| 5094 | 112 |
| 113 /* | |
| 114 * ========================================================================== | |
| 115 * SPA properties routines | |
| 116 * ========================================================================== | |
| 117 */ | |
| 118 | |
| 119 /* | |
| 120 * Add a (source=src, propname=propval) list to an nvlist. | |
| 121 */ | |
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122 static void |
| 5094 | 123 spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, |
| 124 uint64_t intval, zprop_source_t src) | |
| 125 { | |
| 126 const char *propname = zpool_prop_to_name(prop); | |
| 127 nvlist_t *propval; | |
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128 |
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129 VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
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130 VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0); |
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131 |
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132 if (strval != NULL) |
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133 VERIFY(nvlist_add_string(propval, ZPROP_VALUE, strval) == 0); |
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134 else |
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135 VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, intval) == 0); |
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136 |
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137 VERIFY(nvlist_add_nvlist(nvl, propname, propval) == 0); |
| 5094 | 138 nvlist_free(propval); |
| 139 } | |
| 140 | |
| 141 /* | |
| 142 * Get property values from the spa configuration. | |
| 143 */ | |
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144 static void |
| 5094 | 145 spa_prop_get_config(spa_t *spa, nvlist_t **nvp) |
| 146 { | |
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147 uint64_t size; |
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148 uint64_t used; |
| 5094 | 149 uint64_t cap, version; |
| 150 zprop_source_t src = ZPROP_SRC_NONE; | |
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151 spa_config_dirent_t *dp; |
| 5094 | 152 |
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153 ASSERT(MUTEX_HELD(&spa->spa_props_lock)); |
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154 |
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155 if (spa->spa_root_vdev != NULL) { |
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156 size = spa_get_space(spa); |
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157 used = spa_get_alloc(spa); |
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158 spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src); |
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159 spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src); |
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160 spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src); |
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161 spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, |
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162 size - used, src); |
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163 |
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164 cap = (size == 0) ? 0 : (used * 100 / size); |
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165 spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src); |
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166 |
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167 spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, |
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168 spa->spa_root_vdev->vdev_state, src); |
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169 |
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170 version = spa_version(spa); |
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171 if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) |
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172 src = ZPROP_SRC_DEFAULT; |
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173 else |
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174 src = ZPROP_SRC_LOCAL; |
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175 spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src); |
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176 } |
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177 |
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178 spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src); |
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179 |
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180 if (spa->spa_root != NULL) |
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181 spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root, |
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182 0, ZPROP_SRC_LOCAL); |
| 5094 | 183 |
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184 if ((dp = list_head(&spa->spa_config_list)) != NULL) { |
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185 if (dp->scd_path == NULL) { |
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186 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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187 "none", 0, ZPROP_SRC_LOCAL); |
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188 } else if (strcmp(dp->scd_path, spa_config_path) != 0) { |
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189 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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190 dp->scd_path, 0, ZPROP_SRC_LOCAL); |
| 5363 | 191 } |
| 192 } | |
| 5094 | 193 } |
| 194 | |
| 195 /* | |
| 196 * Get zpool property values. | |
| 197 */ | |
| 198 int | |
| 199 spa_prop_get(spa_t *spa, nvlist_t **nvp) | |
| 200 { | |
| 201 zap_cursor_t zc; | |
| 202 zap_attribute_t za; | |
| 203 objset_t *mos = spa->spa_meta_objset; | |
| 204 int err; | |
| 205 | |
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206 VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5094 | 207 |
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208 mutex_enter(&spa->spa_props_lock); |
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209 |
| 5094 | 210 /* |
| 211 * Get properties from the spa config. | |
| 212 */ | |
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213 spa_prop_get_config(spa, nvp); |
| 5094 | 214 |
| 215 /* If no pool property object, no more prop to get. */ | |
| 216 if (spa->spa_pool_props_object == 0) { | |
| 217 mutex_exit(&spa->spa_props_lock); | |
| 218 return (0); | |
| 219 } | |
| 220 | |
| 221 /* | |
| 222 * Get properties from the MOS pool property object. | |
| 223 */ | |
| 224 for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); | |
| 225 (err = zap_cursor_retrieve(&zc, &za)) == 0; | |
| 226 zap_cursor_advance(&zc)) { | |
| 227 uint64_t intval = 0; | |
| 228 char *strval = NULL; | |
| 229 zprop_source_t src = ZPROP_SRC_DEFAULT; | |
| 230 zpool_prop_t prop; | |
| 231 | |
| 232 if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) | |
| 233 continue; | |
| 234 | |
| 235 switch (za.za_integer_length) { | |
| 236 case 8: | |
| 237 /* integer property */ | |
| 238 if (za.za_first_integer != | |
| 239 zpool_prop_default_numeric(prop)) | |
| 240 src = ZPROP_SRC_LOCAL; | |
| 241 | |
| 242 if (prop == ZPOOL_PROP_BOOTFS) { | |
| 243 dsl_pool_t *dp; | |
| 244 dsl_dataset_t *ds = NULL; | |
| 245 | |
| 246 dp = spa_get_dsl(spa); | |
| 247 rw_enter(&dp->dp_config_rwlock, RW_READER); | |
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248 if (err = dsl_dataset_hold_obj(dp, |
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249 za.za_first_integer, FTAG, &ds)) { |
| 5094 | 250 rw_exit(&dp->dp_config_rwlock); |
| 251 break; | |
| 252 } | |
| 253 | |
| 254 strval = kmem_alloc( | |
| 255 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, | |
| 256 KM_SLEEP); | |
| 257 dsl_dataset_name(ds, strval); | |
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258 dsl_dataset_rele(ds, FTAG); |
| 5094 | 259 rw_exit(&dp->dp_config_rwlock); |
| 260 } else { | |
| 261 strval = NULL; | |
| 262 intval = za.za_first_integer; | |
| 263 } | |
| 264 | |
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265 spa_prop_add_list(*nvp, prop, strval, intval, src); |
| 5094 | 266 |
| 267 if (strval != NULL) | |
| 268 kmem_free(strval, | |
| 269 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); | |
| 270 | |
| 271 break; | |
| 272 | |
| 273 case 1: | |
| 274 /* string property */ | |
| 275 strval = kmem_alloc(za.za_num_integers, KM_SLEEP); | |
| 276 err = zap_lookup(mos, spa->spa_pool_props_object, | |
| 277 za.za_name, 1, za.za_num_integers, strval); | |
| 278 if (err) { | |
| 279 kmem_free(strval, za.za_num_integers); | |
| 280 break; | |
| 281 } | |
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282 spa_prop_add_list(*nvp, prop, strval, 0, src); |
| 5094 | 283 kmem_free(strval, za.za_num_integers); |
| 284 break; | |
| 285 | |
| 286 default: | |
| 287 break; | |
| 288 } | |
| 289 } | |
| 290 zap_cursor_fini(&zc); | |
| 291 mutex_exit(&spa->spa_props_lock); | |
| 292 out: | |
| 293 if (err && err != ENOENT) { | |
| 294 nvlist_free(*nvp); | |
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295 *nvp = NULL; |
| 5094 | 296 return (err); |
| 297 } | |
| 298 | |
| 299 return (0); | |
| 300 } | |
| 301 | |
| 302 /* | |
| 303 * Validate the given pool properties nvlist and modify the list | |
| 304 * for the property values to be set. | |
| 305 */ | |
| 306 static int | |
| 307 spa_prop_validate(spa_t *spa, nvlist_t *props) | |
| 308 { | |
| 309 nvpair_t *elem; | |
| 310 int error = 0, reset_bootfs = 0; | |
| 311 uint64_t objnum; | |
| 312 | |
| 313 elem = NULL; | |
| 314 while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
| 315 zpool_prop_t prop; | |
| 316 char *propname, *strval; | |
| 317 uint64_t intval; | |
| 318 objset_t *os; | |
| 5363 | 319 char *slash; |
| 5094 | 320 |
| 321 propname = nvpair_name(elem); | |
| 322 | |
| 323 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) | |
| 324 return (EINVAL); | |
| 325 | |
| 326 switch (prop) { | |
| 327 case ZPOOL_PROP_VERSION: | |
| 328 error = nvpair_value_uint64(elem, &intval); | |
| 329 if (!error && | |
| 330 (intval < spa_version(spa) || intval > SPA_VERSION)) | |
| 331 error = EINVAL; | |
| 332 break; | |
| 333 | |
| 334 case ZPOOL_PROP_DELEGATION: | |
| 335 case ZPOOL_PROP_AUTOREPLACE: | |
|
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336 case ZPOOL_PROP_LISTSNAPS: |
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337 case ZPOOL_PROP_AUTOEXPAND: |
| 5094 | 338 error = nvpair_value_uint64(elem, &intval); |
| 339 if (!error && intval > 1) | |
| 340 error = EINVAL; | |
| 341 break; | |
| 342 | |
| 343 case ZPOOL_PROP_BOOTFS: | |
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344 /* |
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345 * If the pool version is less than SPA_VERSION_BOOTFS, |
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346 * or the pool is still being created (version == 0), |
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347 * the bootfs property cannot be set. |
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348 */ |
| 5094 | 349 if (spa_version(spa) < SPA_VERSION_BOOTFS) { |
| 350 error = ENOTSUP; | |
| 351 break; | |
| 352 } | |
| 353 | |
| 354 /* | |
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355 * Make sure the vdev config is bootable |
| 5094 | 356 */ |
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357 if (!vdev_is_bootable(spa->spa_root_vdev)) { |
| 5094 | 358 error = ENOTSUP; |
| 359 break; | |
| 360 } | |
| 361 | |
| 362 reset_bootfs = 1; | |
| 363 | |
| 364 error = nvpair_value_string(elem, &strval); | |
| 365 | |
| 366 if (!error) { | |
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367 uint64_t compress; |
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368 |
| 5094 | 369 if (strval == NULL || strval[0] == '\0') { |
| 370 objnum = zpool_prop_default_numeric( | |
| 371 ZPOOL_PROP_BOOTFS); | |
| 372 break; | |
| 373 } | |
| 374 | |
|
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375 if (error = dmu_objset_hold(strval, FTAG, &os)) |
| 5094 | 376 break; |
|
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377 |
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378 /* Must be ZPL and not gzip compressed. */ |
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379 |
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380 if (dmu_objset_type(os) != DMU_OST_ZFS) { |
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381 error = ENOTSUP; |
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382 } else if ((error = dsl_prop_get_integer(strval, |
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383 zfs_prop_to_name(ZFS_PROP_COMPRESSION), |
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384 &compress, NULL)) == 0 && |
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385 !BOOTFS_COMPRESS_VALID(compress)) { |
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386 error = ENOTSUP; |
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387 } else { |
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388 objnum = dmu_objset_id(os); |
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389 } |
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390 dmu_objset_rele(os, FTAG); |
| 5094 | 391 } |
| 392 break; | |
|
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393 |
| 5329 | 394 case ZPOOL_PROP_FAILUREMODE: |
| 395 error = nvpair_value_uint64(elem, &intval); | |
| 396 if (!error && (intval < ZIO_FAILURE_MODE_WAIT || | |
| 397 intval > ZIO_FAILURE_MODE_PANIC)) | |
| 398 error = EINVAL; | |
| 399 | |
| 400 /* | |
| 401 * This is a special case which only occurs when | |
| 402 * the pool has completely failed. This allows | |
| 403 * the user to change the in-core failmode property | |
| 404 * without syncing it out to disk (I/Os might | |
| 405 * currently be blocked). We do this by returning | |
| 406 * EIO to the caller (spa_prop_set) to trick it | |
| 407 * into thinking we encountered a property validation | |
| 408 * error. | |
| 409 */ | |
|
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410 if (!error && spa_suspended(spa)) { |
| 5329 | 411 spa->spa_failmode = intval; |
| 412 error = EIO; | |
| 413 } | |
| 414 break; | |
| 5363 | 415 |
| 416 case ZPOOL_PROP_CACHEFILE: | |
| 417 if ((error = nvpair_value_string(elem, &strval)) != 0) | |
| 418 break; | |
| 419 | |
| 420 if (strval[0] == '\0') | |
| 421 break; | |
| 422 | |
| 423 if (strcmp(strval, "none") == 0) | |
| 424 break; | |
| 425 | |
| 426 if (strval[0] != '/') { | |
| 427 error = EINVAL; | |
| 428 break; | |
| 429 } | |
| 430 | |
| 431 slash = strrchr(strval, '/'); | |
| 432 ASSERT(slash != NULL); | |
| 433 | |
| 434 if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
| 435 strcmp(slash, "/..") == 0) | |
| 436 error = EINVAL; | |
| 437 break; | |
| 5094 | 438 } |
| 439 | |
| 440 if (error) | |
| 441 break; | |
| 442 } | |
| 443 | |
| 444 if (!error && reset_bootfs) { | |
| 445 error = nvlist_remove(props, | |
| 446 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); | |
| 447 | |
| 448 if (!error) { | |
| 449 error = nvlist_add_uint64(props, | |
| 450 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); | |
| 451 } | |
| 452 } | |
| 453 | |
| 454 return (error); | |
| 455 } | |
| 456 | |
|
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457 void |
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458 spa_configfile_set(spa_t *spa, nvlist_t *nvp, boolean_t need_sync) |
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459 { |
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460 char *cachefile; |
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461 spa_config_dirent_t *dp; |
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462 |
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463 if (nvlist_lookup_string(nvp, zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), |
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464 &cachefile) != 0) |
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465 return; |
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466 |
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467 dp = kmem_alloc(sizeof (spa_config_dirent_t), |
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468 KM_SLEEP); |
|
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469 |
|
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470 if (cachefile[0] == '\0') |
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471 dp->scd_path = spa_strdup(spa_config_path); |
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472 else if (strcmp(cachefile, "none") == 0) |
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473 dp->scd_path = NULL; |
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474 else |
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475 dp->scd_path = spa_strdup(cachefile); |
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476 |
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477 list_insert_head(&spa->spa_config_list, dp); |
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478 if (need_sync) |
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479 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
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480 } |
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481 |
| 5094 | 482 int |
| 483 spa_prop_set(spa_t *spa, nvlist_t *nvp) | |
| 484 { | |
| 485 int error; | |
|
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486 nvpair_t *elem; |
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487 boolean_t need_sync = B_FALSE; |
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488 zpool_prop_t prop; |
| 5094 | 489 |
| 490 if ((error = spa_prop_validate(spa, nvp)) != 0) | |
| 491 return (error); | |
| 492 | |
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493 elem = NULL; |
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494 while ((elem = nvlist_next_nvpair(nvp, elem)) != NULL) { |
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495 if ((prop = zpool_name_to_prop( |
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496 nvpair_name(elem))) == ZPROP_INVAL) |
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497 return (EINVAL); |
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498 |
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499 if (prop == ZPOOL_PROP_CACHEFILE || prop == ZPOOL_PROP_ALTROOT) |
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500 continue; |
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501 |
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502 need_sync = B_TRUE; |
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503 break; |
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504 } |
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505 |
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506 if (need_sync) |
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507 return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, |
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508 spa, nvp, 3)); |
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509 else |
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510 return (0); |
| 5094 | 511 } |
| 512 | |
| 513 /* | |
| 514 * If the bootfs property value is dsobj, clear it. | |
| 515 */ | |
| 516 void | |
| 517 spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) | |
| 518 { | |
| 519 if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { | |
| 520 VERIFY(zap_remove(spa->spa_meta_objset, | |
| 521 spa->spa_pool_props_object, | |
| 522 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); | |
| 523 spa->spa_bootfs = 0; | |
| 524 } | |
| 525 } | |
| 526 | |
| 789 | 527 /* |
| 528 * ========================================================================== | |
| 529 * SPA state manipulation (open/create/destroy/import/export) | |
| 530 * ========================================================================== | |
| 531 */ | |
| 532 | |
| 1544 | 533 static int |
| 534 spa_error_entry_compare(const void *a, const void *b) | |
| 535 { | |
| 536 spa_error_entry_t *sa = (spa_error_entry_t *)a; | |
| 537 spa_error_entry_t *sb = (spa_error_entry_t *)b; | |
| 538 int ret; | |
| 539 | |
| 540 ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, | |
| 541 sizeof (zbookmark_t)); | |
| 542 | |
| 543 if (ret < 0) | |
| 544 return (-1); | |
| 545 else if (ret > 0) | |
| 546 return (1); | |
| 547 else | |
| 548 return (0); | |
| 549 } | |
| 550 | |
| 551 /* | |
| 552 * Utility function which retrieves copies of the current logs and | |
| 553 * re-initializes them in the process. | |
| 554 */ | |
| 555 void | |
| 556 spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) | |
| 557 { | |
| 558 ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); | |
| 559 | |
| 560 bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); | |
| 561 bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); | |
| 562 | |
| 563 avl_create(&spa->spa_errlist_scrub, | |
| 564 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 565 offsetof(spa_error_entry_t, se_avl)); | |
| 566 avl_create(&spa->spa_errlist_last, | |
| 567 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 568 offsetof(spa_error_entry_t, se_avl)); | |
| 569 } | |
| 570 | |
| 789 | 571 /* |
| 572 * Activate an uninitialized pool. | |
| 573 */ | |
| 574 static void | |
|
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575 spa_activate(spa_t *spa, int mode) |
| 789 | 576 { |
| 577 ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); | |
| 578 | |
| 579 spa->spa_state = POOL_STATE_ACTIVE; | |
|
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580 spa->spa_mode = mode; |
| 789 | 581 |
|
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582 spa->spa_normal_class = metaslab_class_create(spa, zfs_metaslab_ops); |
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583 spa->spa_log_class = metaslab_class_create(spa, zfs_metaslab_ops); |
| 789 | 584 |
|
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585 for (int t = 0; t < ZIO_TYPES; t++) { |
|
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586 const zio_taskq_info_t *ztip = &zio_taskqs[t]; |
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587 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
|
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588 enum zti_modes mode = ztip->zti_nthreads[q].zti_mode; |
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589 uint_t value = ztip->zti_nthreads[q].zti_value; |
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590 char name[32]; |
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591 |
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592 (void) snprintf(name, sizeof (name), |
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593 "%s_%s", ztip->zti_name, zio_taskq_types[q]); |
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594 |
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595 if (mode == zti_mode_tune) { |
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596 mode = zio_taskq_tune_mode; |
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597 value = zio_taskq_tune_value; |
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598 if (mode == zti_mode_tune) |
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599 mode = zti_mode_online_percent; |
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600 } |
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601 |
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602 switch (mode) { |
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603 case zti_mode_fixed: |
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604 ASSERT3U(value, >=, 1); |
|
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605 value = MAX(value, 1); |
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606 |
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607 spa->spa_zio_taskq[t][q] = taskq_create(name, |
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608 value, maxclsyspri, 50, INT_MAX, |
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609 TASKQ_PREPOPULATE); |
|
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610 break; |
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611 |
|
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612 case zti_mode_online_percent: |
|
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613 spa->spa_zio_taskq[t][q] = taskq_create(name, |
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614 value, maxclsyspri, 50, INT_MAX, |
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615 TASKQ_PREPOPULATE | TASKQ_THREADS_CPU_PCT); |
|
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616 break; |
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617 |
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618 case zti_mode_tune: |
|
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619 default: |
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620 panic("unrecognized mode for " |
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621 "zio_taskqs[%u]->zti_nthreads[%u] (%u:%u) " |
|
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622 "in spa_activate()", |
|
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623 t, q, mode, value); |
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624 break; |
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625 } |
|
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626 } |
| 789 | 627 } |
| 628 | |
|
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629 list_create(&spa->spa_config_dirty_list, sizeof (vdev_t), |
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630 offsetof(vdev_t, vdev_config_dirty_node)); |
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631 list_create(&spa->spa_state_dirty_list, sizeof (vdev_t), |
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632 offsetof(vdev_t, vdev_state_dirty_node)); |
| 789 | 633 |
| 634 txg_list_create(&spa->spa_vdev_txg_list, | |
| 635 offsetof(struct vdev, vdev_txg_node)); | |
| 1544 | 636 |
| 637 avl_create(&spa->spa_errlist_scrub, | |
| 638 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 639 offsetof(spa_error_entry_t, se_avl)); | |
| 640 avl_create(&spa->spa_errlist_last, | |
| 641 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 642 offsetof(spa_error_entry_t, se_avl)); | |
| 789 | 643 } |
| 644 | |
| 645 /* | |
| 646 * Opposite of spa_activate(). | |
| 647 */ | |
| 648 static void | |
| 649 spa_deactivate(spa_t *spa) | |
| 650 { | |
| 651 ASSERT(spa->spa_sync_on == B_FALSE); | |
| 652 ASSERT(spa->spa_dsl_pool == NULL); | |
| 653 ASSERT(spa->spa_root_vdev == NULL); | |
|
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654 ASSERT(spa->spa_async_zio_root == NULL); |
| 789 | 655 ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); |
| 656 | |
| 657 txg_list_destroy(&spa->spa_vdev_txg_list); | |
| 658 | |
|
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659 list_destroy(&spa->spa_config_dirty_list); |
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660 list_destroy(&spa->spa_state_dirty_list); |
|
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661 |
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662 for (int t = 0; t < ZIO_TYPES; t++) { |
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663 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
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664 taskq_destroy(spa->spa_zio_taskq[t][q]); |
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665 spa->spa_zio_taskq[t][q] = NULL; |
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666 } |
| 789 | 667 } |
| 668 | |
| 669 metaslab_class_destroy(spa->spa_normal_class); | |
| 670 spa->spa_normal_class = NULL; | |
| 671 | |
| 4527 | 672 metaslab_class_destroy(spa->spa_log_class); |
| 673 spa->spa_log_class = NULL; | |
| 674 | |
| 1544 | 675 /* |
| 676 * If this was part of an import or the open otherwise failed, we may | |
| 677 * still have errors left in the queues. Empty them just in case. | |
| 678 */ | |
| 679 spa_errlog_drain(spa); | |
| 680 | |
| 681 avl_destroy(&spa->spa_errlist_scrub); | |
| 682 avl_destroy(&spa->spa_errlist_last); | |
| 683 | |
| 789 | 684 spa->spa_state = POOL_STATE_UNINITIALIZED; |
| 685 } | |
| 686 | |
| 687 /* | |
| 688 * Verify a pool configuration, and construct the vdev tree appropriately. This | |
| 689 * will create all the necessary vdevs in the appropriate layout, with each vdev | |
| 690 * in the CLOSED state. This will prep the pool before open/creation/import. | |
| 691 * All vdev validation is done by the vdev_alloc() routine. | |
| 692 */ | |
| 2082 | 693 static int |
| 694 spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, | |
| 695 uint_t id, int atype) | |
| 789 | 696 { |
| 697 nvlist_t **child; | |
|
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698 uint_t children; |
| 2082 | 699 int error; |
| 700 | |
| 701 if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) | |
| 702 return (error); | |
| 703 | |
| 704 if ((*vdp)->vdev_ops->vdev_op_leaf) | |
| 705 return (0); | |
| 789 | 706 |
|
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707 error = nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, |
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708 &child, &children); |
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709 |
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710 if (error == ENOENT) |
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711 return (0); |
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712 |
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713 if (error) { |
| 2082 | 714 vdev_free(*vdp); |
| 715 *vdp = NULL; | |
| 716 return (EINVAL); | |
| 789 | 717 } |
| 718 | |
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719 for (int c = 0; c < children; c++) { |
| 2082 | 720 vdev_t *vd; |
| 721 if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, | |
| 722 atype)) != 0) { | |
| 723 vdev_free(*vdp); | |
| 724 *vdp = NULL; | |
| 725 return (error); | |
| 789 | 726 } |
| 727 } | |
| 728 | |
| 2082 | 729 ASSERT(*vdp != NULL); |
| 730 | |
| 731 return (0); | |
| 789 | 732 } |
| 733 | |
| 734 /* | |
| 735 * Opposite of spa_load(). | |
| 736 */ | |
| 737 static void | |
| 738 spa_unload(spa_t *spa) | |
| 739 { | |
| 2082 | 740 int i; |
| 741 | |
|
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742 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
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743 |
| 789 | 744 /* |
| 1544 | 745 * Stop async tasks. |
| 746 */ | |
| 747 spa_async_suspend(spa); | |
| 748 | |
| 749 /* | |
| 789 | 750 * Stop syncing. |
| 751 */ | |
| 752 if (spa->spa_sync_on) { | |
| 753 txg_sync_stop(spa->spa_dsl_pool); | |
| 754 spa->spa_sync_on = B_FALSE; | |
| 755 } | |
| 756 | |
| 757 /* | |
|
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758 * Wait for any outstanding async I/O to complete. |
| 789 | 759 */ |
|
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760 if (spa->spa_async_zio_root != NULL) { |
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761 (void) zio_wait(spa->spa_async_zio_root); |
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762 spa->spa_async_zio_root = NULL; |
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763 } |
| 789 | 764 |
| 765 /* | |
| 766 * Close the dsl pool. | |
| 767 */ | |
| 768 if (spa->spa_dsl_pool) { | |
| 769 dsl_pool_close(spa->spa_dsl_pool); | |
| 770 spa->spa_dsl_pool = NULL; | |
| 771 } | |
| 772 | |
|
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773 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
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774 |
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775 /* |
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776 * Drop and purge level 2 cache |
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777 */ |
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778 spa_l2cache_drop(spa); |
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779 |
| 789 | 780 /* |
| 781 * Close all vdevs. | |
| 782 */ | |
|
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783 if (spa->spa_root_vdev) |
| 789 | 784 vdev_free(spa->spa_root_vdev); |
|
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785 ASSERT(spa->spa_root_vdev == NULL); |
| 1544 | 786 |
| 5450 | 787 for (i = 0; i < spa->spa_spares.sav_count; i++) |
| 788 vdev_free(spa->spa_spares.sav_vdevs[i]); | |
| 789 if (spa->spa_spares.sav_vdevs) { | |
| 790 kmem_free(spa->spa_spares.sav_vdevs, | |
| 791 spa->spa_spares.sav_count * sizeof (void *)); | |
| 792 spa->spa_spares.sav_vdevs = NULL; | |
| 793 } | |
| 794 if (spa->spa_spares.sav_config) { | |
| 795 nvlist_free(spa->spa_spares.sav_config); | |
| 796 spa->spa_spares.sav_config = NULL; | |
| 2082 | 797 } |
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798 spa->spa_spares.sav_count = 0; |
| 5450 | 799 |
| 800 for (i = 0; i < spa->spa_l2cache.sav_count; i++) | |
| 801 vdev_free(spa->spa_l2cache.sav_vdevs[i]); | |
| 802 if (spa->spa_l2cache.sav_vdevs) { | |
| 803 kmem_free(spa->spa_l2cache.sav_vdevs, | |
| 804 spa->spa_l2cache.sav_count * sizeof (void *)); | |
| 805 spa->spa_l2cache.sav_vdevs = NULL; | |
| 806 } | |
| 807 if (spa->spa_l2cache.sav_config) { | |
| 808 nvlist_free(spa->spa_l2cache.sav_config); | |
| 809 spa->spa_l2cache.sav_config = NULL; | |
| 2082 | 810 } |
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811 spa->spa_l2cache.sav_count = 0; |
| 2082 | 812 |
| 1544 | 813 spa->spa_async_suspended = 0; |
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814 |
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815 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 816 } |
| 817 | |
| 818 /* | |
| 2082 | 819 * Load (or re-load) the current list of vdevs describing the active spares for |
| 820 * this pool. When this is called, we have some form of basic information in | |
| 5450 | 821 * 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and |
| 822 * then re-generate a more complete list including status information. | |
| 2082 | 823 */ |
| 824 static void | |
| 825 spa_load_spares(spa_t *spa) | |
| 826 { | |
| 827 nvlist_t **spares; | |
| 828 uint_t nspares; | |
| 829 int i; | |
|
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830 vdev_t *vd, *tvd; |
| 2082 | 831 |
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832 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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833 |
| 2082 | 834 /* |
| 835 * First, close and free any existing spare vdevs. | |
| 836 */ | |
| 5450 | 837 for (i = 0; i < spa->spa_spares.sav_count; i++) { |
| 838 vd = spa->spa_spares.sav_vdevs[i]; | |
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839 |
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840 /* Undo the call to spa_activate() below */ |
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841 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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842 B_FALSE)) != NULL && tvd->vdev_isspare) |
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843 spa_spare_remove(tvd); |
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844 vdev_close(vd); |
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845 vdev_free(vd); |
| 2082 | 846 } |
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847 |
| 5450 | 848 if (spa->spa_spares.sav_vdevs) |
| 849 kmem_free(spa->spa_spares.sav_vdevs, | |
| 850 spa->spa_spares.sav_count * sizeof (void *)); | |
| 851 | |
| 852 if (spa->spa_spares.sav_config == NULL) | |
| 2082 | 853 nspares = 0; |
| 854 else | |
| 5450 | 855 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 856 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 857 | |
| 5450 | 858 spa->spa_spares.sav_count = (int)nspares; |
| 859 spa->spa_spares.sav_vdevs = NULL; | |
| 2082 | 860 |
| 861 if (nspares == 0) | |
| 862 return; | |
| 863 | |
| 864 /* | |
| 865 * Construct the array of vdevs, opening them to get status in the | |
|
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866 * process. For each spare, there is potentially two different vdev_t |
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867 * structures associated with it: one in the list of spares (used only |
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868 * for basic validation purposes) and one in the active vdev |
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869 * configuration (if it's spared in). During this phase we open and |
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870 * validate each vdev on the spare list. If the vdev also exists in the |
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871 * active configuration, then we also mark this vdev as an active spare. |
| 2082 | 872 */ |
| 5450 | 873 spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *), |
| 874 KM_SLEEP); | |
| 875 for (i = 0; i < spa->spa_spares.sav_count; i++) { | |
| 2082 | 876 VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
| 877 VDEV_ALLOC_SPARE) == 0); | |
| 878 ASSERT(vd != NULL); | |
| 879 | |
| 5450 | 880 spa->spa_spares.sav_vdevs[i] = vd; |
| 2082 | 881 |
|
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882 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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883 B_FALSE)) != NULL) { |
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884 if (!tvd->vdev_isspare) |
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885 spa_spare_add(tvd); |
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886 |
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887 /* |
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888 * We only mark the spare active if we were successfully |
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889 * able to load the vdev. Otherwise, importing a pool |
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890 * with a bad active spare would result in strange |
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891 * behavior, because multiple pool would think the spare |
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892 * is actively in use. |
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893 * |
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894 * There is a vulnerability here to an equally bizarre |
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895 * circumstance, where a dead active spare is later |
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896 * brought back to life (onlined or otherwise). Given |
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897 * the rarity of this scenario, and the extra complexity |
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898 * it adds, we ignore the possibility. |
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899 */ |
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900 if (!vdev_is_dead(tvd)) |
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901 spa_spare_activate(tvd); |
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902 } |
|
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903 |
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904 vd->vdev_top = vd; |
|
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905 vd->vdev_aux = &spa->spa_spares; |
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906 |
| 2082 | 907 if (vdev_open(vd) != 0) |
| 908 continue; | |
| 909 | |
| 5450 | 910 if (vdev_validate_aux(vd) == 0) |
| 911 spa_spare_add(vd); | |
| 2082 | 912 } |
| 913 | |
| 914 /* | |
| 915 * Recompute the stashed list of spares, with status information | |
| 916 * this time. | |
| 917 */ | |
| 5450 | 918 VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 919 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 920 | |
| 5450 | 921 spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), |
| 922 KM_SLEEP); | |
| 923 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 924 spares[i] = vdev_config_generate(spa, | |
| 925 spa->spa_spares.sav_vdevs[i], B_TRUE, B_TRUE, B_FALSE); | |
| 926 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, | |
| 927 ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); | |
| 928 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 2082 | 929 nvlist_free(spares[i]); |
| 5450 | 930 kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); |
| 931 } | |
| 932 | |
| 933 /* | |
| 934 * Load (or re-load) the current list of vdevs describing the active l2cache for | |
| 935 * this pool. When this is called, we have some form of basic information in | |
| 936 * 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and | |
| 937 * then re-generate a more complete list including status information. | |
| 938 * Devices which are already active have their details maintained, and are | |
| 939 * not re-opened. | |
| 940 */ | |
| 941 static void | |
| 942 spa_load_l2cache(spa_t *spa) | |
| 943 { | |
| 944 nvlist_t **l2cache; | |
| 945 uint_t nl2cache; | |
| 946 int i, j, oldnvdevs; | |
|
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947 uint64_t guid; |
| 5450 | 948 vdev_t *vd, **oldvdevs, **newvdevs; |
| 949 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 950 | |
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951 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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952 |
| 5450 | 953 if (sav->sav_config != NULL) { |
| 954 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, | |
| 955 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 956 newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); | |
| 957 } else { | |
| 958 nl2cache = 0; | |
| 959 } | |
| 960 | |
| 961 oldvdevs = sav->sav_vdevs; | |
| 962 oldnvdevs = sav->sav_count; | |
| 963 sav->sav_vdevs = NULL; | |
| 964 sav->sav_count = 0; | |
| 965 | |
| 966 /* | |
| 967 * Process new nvlist of vdevs. | |
| 968 */ | |
| 969 for (i = 0; i < nl2cache; i++) { | |
| 970 VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, | |
| 971 &guid) == 0); | |
| 972 | |
| 973 newvdevs[i] = NULL; | |
| 974 for (j = 0; j < oldnvdevs; j++) { | |
| 975 vd = oldvdevs[j]; | |
| 976 if (vd != NULL && guid == vd->vdev_guid) { | |
| 977 /* | |
| 978 * Retain previous vdev for add/remove ops. | |
| 979 */ | |
| 980 newvdevs[i] = vd; | |
| 981 oldvdevs[j] = NULL; | |
| 982 break; | |
| 983 } | |
| 984 } | |
| 985 | |
| 986 if (newvdevs[i] == NULL) { | |
| 987 /* | |
| 988 * Create new vdev | |
| 989 */ | |
| 990 VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, | |
| 991 VDEV_ALLOC_L2CACHE) == 0); | |
| 992 ASSERT(vd != NULL); | |
| 993 newvdevs[i] = vd; | |
| 994 | |
| 995 /* | |
| 996 * Commit this vdev as an l2cache device, | |
| 997 * even if it fails to open. | |
| 998 */ | |
| 999 spa_l2cache_add(vd); | |
| 1000 | |
|
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1001 vd->vdev_top = vd; |
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1002 vd->vdev_aux = sav; |
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1003 |
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1004 spa_l2cache_activate(vd); |
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1005 |
| 5450 | 1006 if (vdev_open(vd) != 0) |
| 1007 continue; | |
| 1008 | |
| 1009 (void) vdev_validate_aux(vd); | |
| 1010 | |
|
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1011 if (!vdev_is_dead(vd)) |
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1012 l2arc_add_vdev(spa, vd); |
| 5450 | 1013 } |
| 1014 } | |
| 1015 | |
| 1016 /* | |
| 1017 * Purge vdevs that were dropped | |
| 1018 */ | |
| 1019 for (i = 0; i < oldnvdevs; i++) { | |
| 1020 uint64_t pool; | |
| 1021 | |
| 1022 vd = oldvdevs[i]; | |
| 1023 if (vd != NULL) { | |
|
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1024 if (spa_l2cache_exists(vd->vdev_guid, &pool) && |
|
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1025 pool != 0ULL && l2arc_vdev_present(vd)) |
| 5450 | 1026 l2arc_remove_vdev(vd); |
| 1027 (void) vdev_close(vd); | |
| 1028 spa_l2cache_remove(vd); | |
| 1029 } | |
| 1030 } | |
| 1031 | |
| 1032 if (oldvdevs) | |
| 1033 kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); | |
| 1034 | |
| 1035 if (sav->sav_config == NULL) | |
| 1036 goto out; | |
| 1037 | |
| 1038 sav->sav_vdevs = newvdevs; | |
| 1039 sav->sav_count = (int)nl2cache; | |
| 1040 | |
| 1041 /* | |
| 1042 * Recompute the stashed list of l2cache devices, with status | |
| 1043 * information this time. | |
| 1044 */ | |
| 1045 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 1046 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 1047 | |
| 1048 l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); | |
| 1049 for (i = 0; i < sav->sav_count; i++) | |
| 1050 l2cache[i] = vdev_config_generate(spa, | |
| 1051 sav->sav_vdevs[i], B_TRUE, B_FALSE, B_TRUE); | |
| 1052 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 1053 ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); | |
| 1054 out: | |
| 1055 for (i = 0; i < sav->sav_count; i++) | |
| 1056 nvlist_free(l2cache[i]); | |
| 1057 if (sav->sav_count) | |
| 1058 kmem_free(l2cache, sav->sav_count * sizeof (void *)); | |
| 2082 | 1059 } |
| 1060 | |
| 1061 static int | |
| 1062 load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) | |
| 1063 { | |
| 1064 dmu_buf_t *db; | |
| 1065 char *packed = NULL; | |
| 1066 size_t nvsize = 0; | |
| 1067 int error; | |
| 1068 *value = NULL; | |
| 1069 | |
| 1070 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 1071 nvsize = *(uint64_t *)db->db_data; | |
| 1072 dmu_buf_rele(db, FTAG); | |
| 1073 | |
| 1074 packed = kmem_alloc(nvsize, KM_SLEEP); | |
|
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1075 error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed, |
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1076 DMU_READ_PREFETCH); |
| 2082 | 1077 if (error == 0) |
| 1078 error = nvlist_unpack(packed, nvsize, value, 0); | |
| 1079 kmem_free(packed, nvsize); | |
| 1080 | |
| 1081 return (error); | |
| 1082 } | |
| 1083 | |
| 1084 /* | |
| 4451 | 1085 * Checks to see if the given vdev could not be opened, in which case we post a |
| 1086 * sysevent to notify the autoreplace code that the device has been removed. | |
| 1087 */ | |
| 1088 static void | |
| 1089 spa_check_removed(vdev_t *vd) | |
| 1090 { | |
|
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1091 for (int c = 0; c < vd->vdev_children; c++) |
| 4451 | 1092 spa_check_removed(vd->vdev_child[c]); |
| 1093 | |
| 1094 if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) { | |
| 1095 zfs_post_autoreplace(vd->vdev_spa, vd); | |
| 1096 spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); | |
| 1097 } | |
| 1098 } | |
| 1099 | |
| 1100 /* | |
|
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1101 * Load the slog device state from the config object since it's possible |
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1102 * that the label does not contain the most up-to-date information. |
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1103 */ |
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1104 void |
|
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1105 spa_load_log_state(spa_t *spa, nvlist_t *nv) |
|
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1106 { |
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1107 vdev_t *ovd, *rvd = spa->spa_root_vdev; |
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1108 |
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1109 /* |
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1110 * Load the original root vdev tree from the passed config. |
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1111 */ |
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1112 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
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1113 VERIFY(spa_config_parse(spa, &ovd, nv, NULL, 0, VDEV_ALLOC_LOAD) == 0); |
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1114 |
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1115 for (int c = 0; c < rvd->vdev_children; c++) { |
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1116 vdev_t *cvd = rvd->vdev_child[c]; |
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1117 if (cvd->vdev_islog) |
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1118 vdev_load_log_state(cvd, ovd->vdev_child[c]); |
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1119 } |
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1120 vdev_free(ovd); |
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1121 spa_config_exit(spa, SCL_ALL, FTAG); |
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1122 } |
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1123 |
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1124 /* |
| 7294 | 1125 * Check for missing log devices |
| 1126 */ | |
| 1127 int | |
| 1128 spa_check_logs(spa_t *spa) | |
| 1129 { | |
| 1130 switch (spa->spa_log_state) { | |
| 1131 case SPA_LOG_MISSING: | |
| 1132 /* need to recheck in case slog has been restored */ | |
| 1133 case SPA_LOG_UNKNOWN: | |
| 1134 if (dmu_objset_find(spa->spa_name, zil_check_log_chain, NULL, | |
| 1135 DS_FIND_CHILDREN)) { | |
| 1136 spa->spa_log_state = SPA_LOG_MISSING; | |
| 1137 return (1); | |
| 1138 } | |
| 1139 break; | |
| 1140 } | |
| 1141 return (0); | |
| 1142 } | |
| 1143 | |
|
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1144 static void |
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1145 spa_aux_check_removed(spa_aux_vdev_t *sav) |
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1146 { |
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1147 int i; |
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1148 |
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1149 for (i = 0; i < sav->sav_count; i++) |
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1150 spa_check_removed(sav->sav_vdevs[i]); |
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1151 } |
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1152 |
| 7294 | 1153 /* |
| 789 | 1154 * Load an existing storage pool, using the pool's builtin spa_config as a |
| 1544 | 1155 * source of configuration information. |
| 789 | 1156 */ |
| 1157 static int | |
| 1544 | 1158 spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
| 789 | 1159 { |
| 1160 int error = 0; | |
|
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1161 nvlist_t *nvconfig, *nvroot = NULL; |
| 789 | 1162 vdev_t *rvd; |
| 1163 uberblock_t *ub = &spa->spa_uberblock; | |
|
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1164 uint64_t config_cache_txg = spa->spa_config_txg; |
| 789 | 1165 uint64_t pool_guid; |
| 2082 | 1166 uint64_t version; |
| 4451 | 1167 uint64_t autoreplace = 0; |
|
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1168 int orig_mode = spa->spa_mode; |
| 7294 | 1169 char *ereport = FM_EREPORT_ZFS_POOL; |
| 789 | 1170 |
|
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1171 /* |
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1172 * If this is an untrusted config, access the pool in read-only mode. |
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1173 * This prevents things like resilvering recently removed devices. |
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1174 */ |
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1175 if (!mosconfig) |
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1176 spa->spa_mode = FREAD; |
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1177 |
|
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changeset
|
1178 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1179 |
| 1544 | 1180 spa->spa_load_state = state; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1181 |
| 789 | 1182 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
| 1733 | 1183 nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) { |
| 1544 | 1184 error = EINVAL; |
| 1185 goto out; | |
| 1186 } | |
| 789 | 1187 |
| 2082 | 1188 /* |
| 1189 * Versioning wasn't explicitly added to the label until later, so if | |
| 1190 * it's not present treat it as the initial version. | |
| 1191 */ | |
| 1192 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) | |
| 4577 | 1193 version = SPA_VERSION_INITIAL; |
| 2082 | 1194 |
| 1733 | 1195 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
| 1196 &spa->spa_config_txg); | |
| 1197 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1198 if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
| 1544 | 1199 spa_guid_exists(pool_guid, 0)) { |
| 1200 error = EEXIST; | |
| 1201 goto out; | |
| 1202 } | |
| 789 | 1203 |
|
2174
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1204 spa->spa_load_guid = pool_guid; |
|
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1205 |
| 789 | 1206 /* |
|
9234
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
George Wilson <George.Wilson@Sun.COM>
parents:
9230
diff
changeset
|
1207 * Create "The Godfather" zio to hold all async IOs |
|
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
George Wilson <George.Wilson@Sun.COM>
parents:
9230
diff
changeset
|
1208 */ |
|
9630
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
1209 spa->spa_async_zio_root = zio_root(spa, NULL, NULL, |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
1210 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | ZIO_FLAG_GODFATHER); |
|
9234
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
George Wilson <George.Wilson@Sun.COM>
parents:
9230
diff
changeset
|
1211 |
|
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
George Wilson <George.Wilson@Sun.COM>
parents:
9230
diff
changeset
|
1212 /* |
| 2082 | 1213 * Parse the configuration into a vdev tree. We explicitly set the |
| 1214 * value that will be returned by spa_version() since parsing the | |
| 1215 * configuration requires knowing the version number. | |
| 789 | 1216 */ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1217 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1218 spa->spa_ubsync.ub_version = version; |
| 1219 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_LOAD); | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1220 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 1221 |
| 2082 | 1222 if (error != 0) |
| 1544 | 1223 goto out; |
| 789 | 1224 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1225 ASSERT(spa->spa_root_vdev == rvd); |
| 789 | 1226 ASSERT(spa_guid(spa) == pool_guid); |
| 1227 | |
| 1228 /* | |
| 1229 * Try to open all vdevs, loading each label in the process. | |
| 1230 */ | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1231 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1232 error = vdev_open(rvd); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1233 spa_config_exit(spa, SCL_ALL, FTAG); |
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1234 if (error != 0) |
| 1544 | 1235 goto out; |
| 789 | 1236 |
| 1237 /* | |
|
9276
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1238 * We need to validate the vdev labels against the configuration that |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1239 * we have in hand, which is dependent on the setting of mosconfig. If |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1240 * mosconfig is true then we're validating the vdev labels based on |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1241 * that config. Otherwise, we're validating against the cached config |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1242 * (zpool.cache) that was read when we loaded the zfs module, and then |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1243 * later we will recursively call spa_load() and validate against |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1244 * the vdev config. |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1245 */ |
|
9276
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1246 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1247 error = vdev_validate(rvd); |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1248 spa_config_exit(spa, SCL_ALL, FTAG); |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1249 if (error != 0) |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1250 goto out; |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1251 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1252 if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1253 error = ENXIO; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1254 goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1255 } |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1256 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1257 /* |
| 789 | 1258 * Find the best uberblock. |
| 1259 */ | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1260 vdev_uberblock_load(NULL, rvd, ub); |
| 789 | 1261 |
| 1262 /* | |
| 1263 * If we weren't able to find a single valid uberblock, return failure. | |
| 1264 */ | |
| 1265 if (ub->ub_txg == 0) { | |
| 1760 | 1266 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1267 VDEV_AUX_CORRUPT_DATA); | |
| 1544 | 1268 error = ENXIO; |
| 1269 goto out; | |
| 1270 } | |
| 1271 | |
| 1272 /* | |
| 1273 * If the pool is newer than the code, we can't open it. | |
| 1274 */ | |
| 4577 | 1275 if (ub->ub_version > SPA_VERSION) { |
| 1760 | 1276 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1277 VDEV_AUX_VERSION_NEWER); | |
| 1544 | 1278 error = ENOTSUP; |
| 1279 goto out; | |
| 789 | 1280 } |
| 1281 | |
| 1282 /* | |
| 1283 * If the vdev guid sum doesn't match the uberblock, we have an | |
| 1284 * incomplete configuration. | |
| 1285 */ | |
| 1732 | 1286 if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) { |
| 1544 | 1287 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1288 VDEV_AUX_BAD_GUID_SUM); | |
| 1289 error = ENXIO; | |
| 1290 goto out; | |
| 789 | 1291 } |
| 1292 | |
| 1293 /* | |
| 1294 * Initialize internal SPA structures. | |
| 1295 */ | |
| 1296 spa->spa_state = POOL_STATE_ACTIVE; | |
| 1297 spa->spa_ubsync = spa->spa_uberblock; | |
| 1298 spa->spa_first_txg = spa_last_synced_txg(spa) + 1; | |
| 1544 | 1299 error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
| 1300 if (error) { | |
| 1301 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1302 VDEV_AUX_CORRUPT_DATA); | |
| 1303 goto out; | |
| 1304 } | |
| 789 | 1305 spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
| 1306 | |
| 1544 | 1307 if (zap_lookup(spa->spa_meta_objset, |
| 789 | 1308 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1309 sizeof (uint64_t), 1, &spa->spa_config_object) != 0) { |
| 1310 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1311 VDEV_AUX_CORRUPT_DATA); | |
| 1312 error = EIO; | |
| 1313 goto out; | |
| 1314 } | |
| 789 | 1315 |
|
10594
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1316 if (load_nvlist(spa, spa->spa_config_object, &nvconfig) != 0) { |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1317 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1318 VDEV_AUX_CORRUPT_DATA); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1319 error = EIO; |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1320 goto out; |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1321 } |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1322 |
| 789 | 1323 if (!mosconfig) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1324 uint64_t hostid; |
| 2082 | 1325 |
|
10594
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1326 if (!spa_is_root(spa) && nvlist_lookup_uint64(nvconfig, |
|
7706
75cbbfb9ce50
6716241 Changing hostid, by moving in a new sysinit file, panics a zfs root file system
Lin Ling <Lin.Ling@Sun.COM>
parents:
7687
diff
changeset
|
1327 ZPOOL_CONFIG_HOSTID, &hostid) == 0) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1328 char *hostname; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1329 unsigned long myhostid = 0; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1330 |
|
10594
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1331 VERIFY(nvlist_lookup_string(nvconfig, |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1332 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1333 |
|
8662
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1334 #ifdef _KERNEL |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1335 myhostid = zone_get_hostid(NULL); |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1336 #else /* _KERNEL */ |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1337 /* |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1338 * We're emulating the system's hostid in userland, so |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1339 * we can't use zone_get_hostid(). |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1340 */ |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1341 (void) ddi_strtoul(hw_serial, NULL, 10, &myhostid); |
|
8662
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1342 #endif /* _KERNEL */ |
|
4178
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1343 if (hostid != 0 && myhostid != 0 && |
|
8662
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1344 hostid != myhostid) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1345 cmn_err(CE_WARN, "pool '%s' could not be " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1346 "loaded as it was last accessed by " |
|
7706
75cbbfb9ce50
6716241 Changing hostid, by moving in a new sysinit file, panics a zfs root file system
Lin Ling <Lin.Ling@Sun.COM>
parents:
7687
diff
changeset
|
1347 "another system (host: %s hostid: 0x%lx). " |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1348 "See: http://www.sun.com/msg/ZFS-8000-EY", |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1349 spa_name(spa), hostname, |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1350 (unsigned long)hostid); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1351 error = EBADF; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1352 goto out; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1353 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1354 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1355 |
|
10594
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1356 spa_config_set(spa, nvconfig); |
| 789 | 1357 spa_unload(spa); |
| 1358 spa_deactivate(spa); | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1359 spa_activate(spa, orig_mode); |
| 789 | 1360 |
|
10594
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1361 return (spa_load(spa, nvconfig, state, B_TRUE)); |
| 1544 | 1362 } |
| 1363 | |
| 1364 if (zap_lookup(spa->spa_meta_objset, | |
| 1365 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, | |
| 1366 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) { | |
| 1367 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1368 VDEV_AUX_CORRUPT_DATA); | |
| 1369 error = EIO; | |
| 1370 goto out; | |
| 789 | 1371 } |
| 1372 | |
| 1544 | 1373 /* |
| 2082 | 1374 * Load the bit that tells us to use the new accounting function |
| 1375 * (raid-z deflation). If we have an older pool, this will not | |
| 1376 * be present. | |
| 1377 */ | |
| 1378 error = zap_lookup(spa->spa_meta_objset, | |
| 1379 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 1380 sizeof (uint64_t), 1, &spa->spa_deflate); | |
| 1381 if (error != 0 && error != ENOENT) { | |
| 1382 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1383 VDEV_AUX_CORRUPT_DATA); | |
| 1384 error = EIO; | |
| 1385 goto out; | |
| 1386 } | |
| 1387 | |
| 1388 /* | |
| 1544 | 1389 * Load the persistent error log. If we have an older pool, this will |
| 1390 * not be present. | |
| 1391 */ | |
| 1392 error = zap_lookup(spa->spa_meta_objset, | |
| 1393 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, | |
| 1394 sizeof (uint64_t), 1, &spa->spa_errlog_last); | |
|
1807
35c8b566d7af
6410711 intent log blocks don't get invited to pool parties
bonwick
parents:
1775
diff
changeset
|
1395 if (error != 0 && error != ENOENT) { |
| 1544 | 1396 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1397 VDEV_AUX_CORRUPT_DATA); | |
| 1398 error = EIO; | |
| 1399 goto out; | |
| 1400 } | |
| 1401 | |
| 1402 error = zap_lookup(spa->spa_meta_objset, | |
| 1403 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, | |
| 1404 sizeof (uint64_t), 1, &spa->spa_errlog_scrub); | |
| 1405 if (error != 0 && error != ENOENT) { | |
| 1406 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1407 VDEV_AUX_CORRUPT_DATA); | |
| 1408 error = EIO; | |
| 1409 goto out; | |
| 1410 } | |
| 789 | 1411 |
| 1412 /* | |
| 2926 | 1413 * Load the history object. If we have an older pool, this |
| 1414 * will not be present. | |
| 1415 */ | |
| 1416 error = zap_lookup(spa->spa_meta_objset, | |
| 1417 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, | |
| 1418 sizeof (uint64_t), 1, &spa->spa_history); | |
| 1419 if (error != 0 && error != ENOENT) { | |
| 1420 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1421 VDEV_AUX_CORRUPT_DATA); | |
| 1422 error = EIO; | |
| 1423 goto out; | |
| 1424 } | |
| 1425 | |
| 1426 /* | |
| 2082 | 1427 * Load any hot spares for this pool. |
| 1428 */ | |
| 1429 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 5450 | 1430 DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares.sav_object); |
| 2082 | 1431 if (error != 0 && error != ENOENT) { |
| 1432 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1433 VDEV_AUX_CORRUPT_DATA); | |
| 1434 error = EIO; | |
| 1435 goto out; | |
| 1436 } | |
| 1437 if (error == 0) { | |
| 4577 | 1438 ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
| 5450 | 1439 if (load_nvlist(spa, spa->spa_spares.sav_object, |
| 1440 &spa->spa_spares.sav_config) != 0) { | |
| 2082 | 1441 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1442 VDEV_AUX_CORRUPT_DATA); | |
| 1443 error = EIO; | |
| 1444 goto out; | |
| 1445 } | |
| 1446 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1447 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1448 spa_load_spares(spa); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1449 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 1450 } |
| 1451 | |
| 5450 | 1452 /* |
| 1453 * Load any level 2 ARC devices for this pool. | |
| 1454 */ | |
| 1455 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 1456 DMU_POOL_L2CACHE, sizeof (uint64_t), 1, | |
| 1457 &spa->spa_l2cache.sav_object); | |
| 1458 if (error != 0 && error != ENOENT) { | |
| 1459 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1460 VDEV_AUX_CORRUPT_DATA); | |
| 1461 error = EIO; | |
| 1462 goto out; | |
| 1463 } | |
| 1464 if (error == 0) { | |
| 1465 ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); | |
| 1466 if (load_nvlist(spa, spa->spa_l2cache.sav_object, | |
| 1467 &spa->spa_l2cache.sav_config) != 0) { | |
| 1468 vdev_set_state(rvd, B_TRUE, | |
| 1469 VDEV_STATE_CANT_OPEN, | |
| 1470 VDEV_AUX_CORRUPT_DATA); | |
| 1471 error = EIO; | |
| 1472 goto out; | |
| 1473 } | |
| 1474 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1475 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 1476 spa_load_l2cache(spa); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1477 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 1478 } |
| 1479 | |
|
10594
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1480 VERIFY(nvlist_lookup_nvlist(nvconfig, ZPOOL_CONFIG_VDEV_TREE, |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1481 &nvroot) == 0); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1482 spa_load_log_state(spa, nvroot); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
1483 nvlist_free(nvconfig); |
|
9701
cc5b64682e64
6803605 should be able to offline log devices
George Wilson <George.Wilson@Sun.COM>
parents:
9630
diff
changeset
|
1484 |
| 7294 | 1485 if (spa_check_logs(spa)) { |
| 1486 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1487 VDEV_AUX_BAD_LOG); | |
| 1488 error = ENXIO; | |
| 1489 ereport = FM_EREPORT_ZFS_LOG_REPLAY; | |
| 1490 goto out; | |
| 1491 } | |
| 1492 | |
| 1493 | |
| 5094 | 1494 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
| 4543 | 1495 |
| 3912 | 1496 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
| 1497 DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); | |
| 1498 | |
| 1499 if (error && error != ENOENT) { | |
| 1500 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1501 VDEV_AUX_CORRUPT_DATA); | |
| 1502 error = EIO; | |
| 1503 goto out; | |
| 1504 } | |
| 1505 | |
| 1506 if (error == 0) { | |
| 1507 (void) zap_lookup(spa->spa_meta_objset, | |
| 1508 spa->spa_pool_props_object, | |
| 4451 | 1509 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1510 sizeof (uint64_t), 1, &spa->spa_bootfs); |
| 4451 | 1511 (void) zap_lookup(spa->spa_meta_objset, |
| 1512 spa->spa_pool_props_object, | |
| 1513 zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), | |
| 1514 sizeof (uint64_t), 1, &autoreplace); | |
|
10672
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1515 spa->spa_autoreplace = (autoreplace != 0); |
| 4543 | 1516 (void) zap_lookup(spa->spa_meta_objset, |
| 1517 spa->spa_pool_props_object, | |
| 1518 zpool_prop_to_name(ZPOOL_PROP_DELEGATION), | |
| 1519 sizeof (uint64_t), 1, &spa->spa_delegation); | |
| 5329 | 1520 (void) zap_lookup(spa->spa_meta_objset, |
| 1521 spa->spa_pool_props_object, | |
| 1522 zpool_prop_to_name(ZPOOL_PROP_FAILUREMODE), | |
| 1523 sizeof (uint64_t), 1, &spa->spa_failmode); | |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
1524 (void) zap_lookup(spa->spa_meta_objset, |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
1525 spa->spa_pool_props_object, |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
1526 zpool_prop_to_name(ZPOOL_PROP_AUTOEXPAND), |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
1527 sizeof (uint64_t), 1, &spa->spa_autoexpand); |
| 3912 | 1528 } |
| 1529 | |
| 2082 | 1530 /* |
| 4451 | 1531 * If the 'autoreplace' property is set, then post a resource notifying |
| 1532 * the ZFS DE that it should not issue any faults for unopenable | |
| 1533 * devices. We also iterate over the vdevs, and post a sysevent for any | |
| 1534 * unopenable vdevs so that the normal autoreplace handler can take | |
| 1535 * over. | |
| 1536 */ | |
|
10672
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1537 if (spa->spa_autoreplace && state != SPA_LOAD_TRYIMPORT) { |
| 4451 | 1538 spa_check_removed(spa->spa_root_vdev); |
|
10672
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1539 /* |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1540 * For the import case, this is done in spa_import(), because |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1541 * at this point we're using the spare definitions from |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1542 * the MOS config, not necessarily from the userland config. |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1543 */ |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1544 if (state != SPA_LOAD_IMPORT) { |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1545 spa_aux_check_removed(&spa->spa_spares); |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1546 spa_aux_check_removed(&spa->spa_l2cache); |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1547 } |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
1548 } |
| 4451 | 1549 |
| 1550 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1551 * Load the vdev state for all toplevel vdevs. |
| 789 | 1552 */ |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1553 vdev_load(rvd); |
| 789 | 1554 |
| 1555 /* | |
| 1556 * Propagate the leaf DTLs we just loaded all the way up the tree. | |
| 1557 */ | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1558 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 1559 vdev_dtl_reassess(rvd, 0, 0, B_FALSE); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1560 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 1561 |
| 1562 /* | |
| 1563 * Check the state of the root vdev. If it can't be opened, it | |
| 1564 * indicates one or more toplevel vdevs are faulted. | |
| 1565 */ | |
| 1544 | 1566 if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
| 1567 error = ENXIO; | |
| 1568 goto out; | |
| 1569 } | |
| 789 | 1570 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1571 if (spa_writeable(spa)) { |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1572 dmu_tx_t *tx; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1573 int need_update = B_FALSE; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1574 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1575 ASSERT(state != SPA_LOAD_TRYIMPORT); |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1576 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1577 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1578 * Claim log blocks that haven't been committed yet. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1579 * This must all happen in a single txg. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1580 */ |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1581 tx = dmu_tx_create_assigned(spa_get_dsl(spa), |
| 789 | 1582 spa_first_txg(spa)); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1583 (void) dmu_objset_find(spa_name(spa), |
| 2417 | 1584 zil_claim, tx, DS_FIND_CHILDREN); |
| 789 | 1585 dmu_tx_commit(tx); |
| 1586 | |
|
9701
cc5b64682e64
6803605 should be able to offline log devices
George Wilson <George.Wilson@Sun.COM>
parents:
9630
diff
changeset
|
1587 spa->spa_log_state = SPA_LOG_GOOD; |
| 789 | 1588 spa->spa_sync_on = B_TRUE; |
| 1589 txg_sync_start(spa->spa_dsl_pool); | |
| 1590 | |
| 1591 /* | |
| 1592 * Wait for all claims to sync. | |
| 1593 */ | |
| 1594 txg_wait_synced(spa->spa_dsl_pool, 0); | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1595 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1596 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1597 * If the config cache is stale, or we have uninitialized |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1598 * metaslabs (see spa_vdev_add()), then update the config. |
|
10100
4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2
Lin Ling <Lin.Ling@Sun.COM>
parents:
10000
diff
changeset
|
1599 * |
|
4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2
Lin Ling <Lin.Ling@Sun.COM>
parents:
10000
diff
changeset
|
1600 * If spa_load_verbatim is true, trust the current |
|
4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2
Lin Ling <Lin.Ling@Sun.COM>
parents:
10000
diff
changeset
|
1601 * in-core spa_config and update the disk labels. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1602 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1603 if (config_cache_txg != spa->spa_config_txg || |
|
10100
4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2
Lin Ling <Lin.Ling@Sun.COM>
parents:
10000
diff
changeset
|
1604 state == SPA_LOAD_IMPORT || spa->spa_load_verbatim) |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1605 need_update = B_TRUE; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1606 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1607 for (int c = 0; c < rvd->vdev_children; c++) |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1608 if (rvd->vdev_child[c]->vdev_ms_array == 0) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1609 need_update = B_TRUE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1610 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1611 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1612 * Update the config cache asychronously in case we're the |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1613 * root pool, in which case the config cache isn't writable yet. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1614 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1615 if (need_update) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1616 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
1617 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1618 /* |
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1619 * Check all DTLs to see if anything needs resilvering. |
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1620 */ |
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1621 if (vdev_resilver_needed(rvd, NULL, NULL)) |
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1622 spa_async_request(spa, SPA_ASYNC_RESILVER); |
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1623 |
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1624 /* |
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1625 * Delete any inconsistent datasets. |
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1626 */ |
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1627 (void) dmu_objset_find(spa_name(spa), |
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1628 dsl_destroy_inconsistent, NULL, DS_FIND_CHILDREN); |
|
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1629 |
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1630 /* |
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1631 * Clean up any stale temporary dataset userrefs. |
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1632 */ |
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1633 dsl_pool_clean_tmp_userrefs(spa->spa_dsl_pool); |
| 789 | 1634 } |
| 1635 | |
| 1544 | 1636 error = 0; |
| 1637 out: | |
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1638 spa->spa_minref = refcount_count(&spa->spa_refcount); |
| 2082 | 1639 if (error && error != EBADF) |
| 7294 | 1640 zfs_ereport_post(ereport, spa, NULL, NULL, 0, 0); |
| 1544 | 1641 spa->spa_load_state = SPA_LOAD_NONE; |
| 1642 spa->spa_ena = 0; | |
| 1643 | |
| 1644 return (error); | |
| 789 | 1645 } |
| 1646 | |
| 1647 /* | |
| 1648 * Pool Open/Import | |
| 1649 * | |
| 1650 * The import case is identical to an open except that the configuration is sent | |
| 1651 * down from userland, instead of grabbed from the configuration cache. For the | |
| 1652 * case of an open, the pool configuration will exist in the | |
| 4451 | 1653 * POOL_STATE_UNINITIALIZED state. |
| 789 | 1654 * |
| 1655 * The stats information (gen/count/ustats) is used to gather vdev statistics at | |
| 1656 * the same time open the pool, without having to keep around the spa_t in some | |
| 1657 * ambiguous state. | |
| 1658 */ | |
| 1659 static int | |
| 1660 spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t **config) | |
| 1661 { | |
| 1662 spa_t *spa; | |
| 1663 int error; | |
| 1664 int locked = B_FALSE; | |
| 1665 | |
| 1666 *spapp = NULL; | |
| 1667 | |
| 1668 /* | |
| 1669 * As disgusting as this is, we need to support recursive calls to this | |
| 1670 * function because dsl_dir_open() is called during spa_load(), and ends | |
| 1671 * up calling spa_open() again. The real fix is to figure out how to | |
| 1672 * avoid dsl_dir_open() calling this in the first place. | |
| 1673 */ | |
| 1674 if (mutex_owner(&spa_namespace_lock) != curthread) { | |
| 1675 mutex_enter(&spa_namespace_lock); | |
| 1676 locked = B_TRUE; | |
| 1677 } | |
| 1678 | |
| 1679 if ((spa = spa_lookup(pool)) == NULL) { | |
| 1680 if (locked) | |
| 1681 mutex_exit(&spa_namespace_lock); | |
| 1682 return (ENOENT); | |
| 1683 } | |
| 1684 if (spa->spa_state == POOL_STATE_UNINITIALIZED) { | |
| 1685 | |
|
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1686 spa_activate(spa, spa_mode_global); |
| 789 | 1687 |
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1688 error = spa_load(spa, spa->spa_config, SPA_LOAD_OPEN, B_FALSE); |
| 789 | 1689 |
| 1690 if (error == EBADF) { | |
| 1691 /* | |
|
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1692 * If vdev_validate() returns failure (indicated by |
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1693 * EBADF), it indicates that one of the vdevs indicates |
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1694 * that the pool has been exported or destroyed. If |
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1695 * this is the case, the config cache is out of sync and |
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1696 * we should remove the pool from the namespace. |
| 789 | 1697 */ |
| 1698 spa_unload(spa); | |
| 1699 spa_deactivate(spa); | |
|
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1700 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 789 | 1701 spa_remove(spa); |
| 1702 if (locked) | |
| 1703 mutex_exit(&spa_namespace_lock); | |
| 1704 return (ENOENT); | |
| 1544 | 1705 } |
| 1706 | |
| 1707 if (error) { | |
| 789 | 1708 /* |
| 1709 * We can't open the pool, but we still have useful | |
| 1710 * information: the state of each vdev after the | |
| 1711 * attempted vdev_open(). Return this to the user. | |
| 1712 */ | |
|
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1713 if (config != NULL && spa->spa_root_vdev != NULL) |
| 789 | 1714 *config = spa_config_generate(spa, NULL, -1ULL, |
| 1715 B_TRUE); | |
| 1716 spa_unload(spa); | |
| 1717 spa_deactivate(spa); | |
| 1544 | 1718 spa->spa_last_open_failed = B_TRUE; |
| 789 | 1719 if (locked) |
| 1720 mutex_exit(&spa_namespace_lock); | |
| 1721 *spapp = NULL; | |
| 1722 return (error); | |
| 1544 | 1723 } else { |
| 1724 spa->spa_last_open_failed = B_FALSE; | |
| 789 | 1725 } |
| 1726 } | |
| 1727 | |
| 1728 spa_open_ref(spa, tag); | |
| 4451 | 1729 |
| 789 | 1730 if (locked) |
| 1731 mutex_exit(&spa_namespace_lock); | |
| 1732 | |
| 1733 *spapp = spa; | |
| 1734 | |
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1735 if (config != NULL) |
| 789 | 1736 *config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
| 1737 | |
| 1738 return (0); | |
| 1739 } | |
| 1740 | |
| 1741 int | |
| 1742 spa_open(const char *name, spa_t **spapp, void *tag) | |
| 1743 { | |
| 1744 return (spa_open_common(name, spapp, tag, NULL)); | |
| 1745 } | |
| 1746 | |
| 1544 | 1747 /* |
| 1748 * Lookup the given spa_t, incrementing the inject count in the process, | |
| 1749 * preventing it from being exported or destroyed. | |
| 1750 */ | |
| 1751 spa_t * | |
| 1752 spa_inject_addref(char *name) | |
| 1753 { | |
| 1754 spa_t *spa; | |
| 1755 | |
| 1756 mutex_enter(&spa_namespace_lock); | |
| 1757 if ((spa = spa_lookup(name)) == NULL) { | |
| 1758 mutex_exit(&spa_namespace_lock); | |
| 1759 return (NULL); | |
| 1760 } | |
| 1761 spa->spa_inject_ref++; | |
| 1762 mutex_exit(&spa_namespace_lock); | |
| 1763 | |
| 1764 return (spa); | |
| 1765 } | |
| 1766 | |
| 1767 void | |
| 1768 spa_inject_delref(spa_t *spa) | |
| 1769 { | |
| 1770 mutex_enter(&spa_namespace_lock); | |
| 1771 spa->spa_inject_ref--; | |
| 1772 mutex_exit(&spa_namespace_lock); | |
| 1773 } | |
| 1774 | |
| 5450 | 1775 /* |
| 1776 * Add spares device information to the nvlist. | |
| 1777 */ | |
| 2082 | 1778 static void |
| 1779 spa_add_spares(spa_t *spa, nvlist_t *config) | |
| 1780 { | |
| 1781 nvlist_t **spares; | |
| 1782 uint_t i, nspares; | |
| 1783 nvlist_t *nvroot; | |
| 1784 uint64_t guid; | |
| 1785 vdev_stat_t *vs; | |
| 1786 uint_t vsc; | |
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1787 uint64_t pool; |
| 2082 | 1788 |
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1789 ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); |
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1790 |
| 5450 | 1791 if (spa->spa_spares.sav_count == 0) |
| 2082 | 1792 return; |
| 1793 | |
| 1794 VERIFY(nvlist_lookup_nvlist(config, | |
| 1795 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 5450 | 1796 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 1797 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 1798 if (nspares != 0) { | |
| 1799 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1800 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); | |
| 1801 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1802 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); | |
| 1803 | |
| 1804 /* | |
| 1805 * Go through and find any spares which have since been | |
| 1806 * repurposed as an active spare. If this is the case, update | |
| 1807 * their status appropriately. | |
| 1808 */ | |
| 1809 for (i = 0; i < nspares; i++) { | |
| 1810 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 1811 ZPOOL_CONFIG_GUID, &guid) == 0); | |
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1812 if (spa_spare_exists(guid, &pool, NULL) && |
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1813 pool != 0ULL) { |
| 2082 | 1814 VERIFY(nvlist_lookup_uint64_array( |
| 1815 spares[i], ZPOOL_CONFIG_STATS, | |
| 1816 (uint64_t **)&vs, &vsc) == 0); | |
| 1817 vs->vs_state = VDEV_STATE_CANT_OPEN; | |
| 1818 vs->vs_aux = VDEV_AUX_SPARED; | |
| 1819 } | |
| 1820 } | |
| 1821 } | |
| 1822 } | |
| 1823 | |
| 5450 | 1824 /* |
| 1825 * Add l2cache device information to the nvlist, including vdev stats. | |
| 1826 */ | |
| 1827 static void | |
| 1828 spa_add_l2cache(spa_t *spa, nvlist_t *config) | |
| 1829 { | |
| 1830 nvlist_t **l2cache; | |
| 1831 uint_t i, j, nl2cache; | |
| 1832 nvlist_t *nvroot; | |
| 1833 uint64_t guid; | |
| 1834 vdev_t *vd; | |
| 1835 vdev_stat_t *vs; | |
| 1836 uint_t vsc; | |
| 1837 | |
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1838 ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); |
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1839 |
| 5450 | 1840 if (spa->spa_l2cache.sav_count == 0) |
| 1841 return; | |
| 1842 | |
| 1843 VERIFY(nvlist_lookup_nvlist(config, | |
| 1844 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 1845 VERIFY(nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, | |
| 1846 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1847 if (nl2cache != 0) { | |
| 1848 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1849 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 1850 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1851 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1852 | |
| 1853 /* | |
| 1854 * Update level 2 cache device stats. | |
| 1855 */ | |
| 1856 | |
| 1857 for (i = 0; i < nl2cache; i++) { | |
| 1858 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 1859 ZPOOL_CONFIG_GUID, &guid) == 0); | |
| 1860 | |
| 1861 vd = NULL; | |
| 1862 for (j = 0; j < spa->spa_l2cache.sav_count; j++) { | |
| 1863 if (guid == | |
| 1864 spa->spa_l2cache.sav_vdevs[j]->vdev_guid) { | |
| 1865 vd = spa->spa_l2cache.sav_vdevs[j]; | |
| 1866 break; | |
| 1867 } | |
| 1868 } | |
| 1869 ASSERT(vd != NULL); | |
| 1870 | |
| 1871 VERIFY(nvlist_lookup_uint64_array(l2cache[i], | |
| 1872 ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); | |
| 1873 vdev_get_stats(vd, vs); | |
| 1874 } | |
| 1875 } | |
| 1876 } | |
| 1877 | |
| 789 | 1878 int |
| 1544 | 1879 spa_get_stats(const char *name, nvlist_t **config, char *altroot, size_t buflen) |
| 789 | 1880 { |
| 1881 int error; | |
| 1882 spa_t *spa; | |
| 1883 | |
| 1884 *config = NULL; | |
| 1885 error = spa_open_common(name, &spa, FTAG, config); | |
| 1886 | |
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1887 if (spa != NULL) { |
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1888 /* |
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1889 * This still leaves a window of inconsistency where the spares |
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1890 * or l2cache devices could change and the config would be |
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1891 * self-inconsistent. |
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1892 */ |
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1893 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
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1894 |
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1895 if (*config != NULL) { |
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1896 VERIFY(nvlist_add_uint64(*config, |
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1897 ZPOOL_CONFIG_ERRCOUNT, |
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1898 spa_get_errlog_size(spa)) == 0); |
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1899 |
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1900 if (spa_suspended(spa)) |
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1901 VERIFY(nvlist_add_uint64(*config, |
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1902 ZPOOL_CONFIG_SUSPENDED, |
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1903 spa->spa_failmode) == 0); |
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1904 |
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1905 spa_add_spares(spa, *config); |
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1906 spa_add_l2cache(spa, *config); |
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1907 } |
| 2082 | 1908 } |
| 1909 | |
| 1544 | 1910 /* |
| 1911 * We want to get the alternate root even for faulted pools, so we cheat | |
| 1912 * and call spa_lookup() directly. | |
| 1913 */ | |
| 1914 if (altroot) { | |
| 1915 if (spa == NULL) { | |
| 1916 mutex_enter(&spa_namespace_lock); | |
| 1917 spa = spa_lookup(name); | |
| 1918 if (spa) | |
| 1919 spa_altroot(spa, altroot, buflen); | |
| 1920 else | |
| 1921 altroot[0] = '\0'; | |
| 1922 spa = NULL; | |
| 1923 mutex_exit(&spa_namespace_lock); | |
| 1924 } else { | |
| 1925 spa_altroot(spa, altroot, buflen); | |
| 1926 } | |
| 1927 } | |
| 1928 | |
|
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1929 if (spa != NULL) { |
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1930 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 789 | 1931 spa_close(spa, FTAG); |
|
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1932 } |
| 789 | 1933 |
| 1934 return (error); | |
| 1935 } | |
| 1936 | |
| 1937 /* | |
| 5450 | 1938 * Validate that the auxiliary device array is well formed. We must have an |
| 1939 * array of nvlists, each which describes a valid leaf vdev. If this is an | |
| 1940 * import (mode is VDEV_ALLOC_SPARE), then we allow corrupted spares to be | |
| 1941 * specified, as long as they are well-formed. | |
| 2082 | 1942 */ |
| 1943 static int | |
| 5450 | 1944 spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode, |
| 1945 spa_aux_vdev_t *sav, const char *config, uint64_t version, | |
| 1946 vdev_labeltype_t label) | |
| 2082 | 1947 { |
| 5450 | 1948 nvlist_t **dev; |
| 1949 uint_t i, ndev; | |
| 2082 | 1950 vdev_t *vd; |
| 1951 int error; | |
| 1952 | |
|
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1953 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
|
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|
1954 |
| 2082 | 1955 /* |
| 5450 | 1956 * It's acceptable to have no devs specified. |
| 2082 | 1957 */ |
| 5450 | 1958 if (nvlist_lookup_nvlist_array(nvroot, config, &dev, &ndev) != 0) |
| 2082 | 1959 return (0); |
| 1960 | |
| 5450 | 1961 if (ndev == 0) |
| 2082 | 1962 return (EINVAL); |
| 1963 | |
| 1964 /* | |
| 5450 | 1965 * Make sure the pool is formatted with a version that supports this |
| 1966 * device type. | |
| 2082 | 1967 */ |
| 5450 | 1968 if (spa_version(spa) < version) |
| 2082 | 1969 return (ENOTSUP); |
| 1970 | |
|
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1971 /* |
| 5450 | 1972 * Set the pending device list so we correctly handle device in-use |
|
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|
1973 * checking. |
|
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|
1974 */ |
| 5450 | 1975 sav->sav_pending = dev; |
| 1976 sav->sav_npending = ndev; | |
| 1977 | |
| 1978 for (i = 0; i < ndev; i++) { | |
| 1979 if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0, | |
| 2082 | 1980 mode)) != 0) |
|
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1981 goto out; |
| 2082 | 1982 |
| 1983 if (!vd->vdev_ops->vdev_op_leaf) { | |
| 1984 vdev_free(vd); | |
|
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1985 error = EINVAL; |
|
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|
1986 goto out; |
| 2082 | 1987 } |
| 1988 | |
| 5450 | 1989 /* |
|
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1990 * The L2ARC currently only supports disk devices in |
|
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|
1991 * kernel context. For user-level testing, we allow it. |
| 5450 | 1992 */ |
|
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|
1993 #ifdef _KERNEL |
| 5450 | 1994 if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) && |
| 1995 strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) { | |
| 1996 error = ENOTBLK; | |
| 1997 goto out; | |
| 1998 } | |
|
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1999 #endif |
| 2082 | 2000 vd->vdev_top = vd; |
|
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|
2001 |
|
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|
2002 if ((error = vdev_open(vd)) == 0 && |
| 5450 | 2003 (error = vdev_label_init(vd, crtxg, label)) == 0) { |
| 2004 VERIFY(nvlist_add_uint64(dev[i], ZPOOL_CONFIG_GUID, | |
|
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|
2005 vd->vdev_guid) == 0); |
| 2082 | 2006 } |
| 2007 | |
| 2008 vdev_free(vd); | |
|
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|
2009 |
| 5450 | 2010 if (error && |
| 2011 (mode != VDEV_ALLOC_SPARE && mode != VDEV_ALLOC_L2CACHE)) | |
|
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|
2012 goto out; |
|
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|
2013 else |
|
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|
2014 error = 0; |
| 2082 | 2015 } |
| 2016 | |
|
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|
2017 out: |
| 5450 | 2018 sav->sav_pending = NULL; |
| 2019 sav->sav_npending = 0; | |
|
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|
2020 return (error); |
| 2082 | 2021 } |
| 2022 | |
| 5450 | 2023 static int |
| 2024 spa_validate_aux(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) | |
| 2025 { | |
| 2026 int error; | |
| 2027 | |
|
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|
2028 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
|
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|
2029 |
| 5450 | 2030 if ((error = spa_validate_aux_devs(spa, nvroot, crtxg, mode, |
| 2031 &spa->spa_spares, ZPOOL_CONFIG_SPARES, SPA_VERSION_SPARES, | |
| 2032 VDEV_LABEL_SPARE)) != 0) { | |
| 2033 return (error); | |
| 2034 } | |
| 2035 | |
| 2036 return (spa_validate_aux_devs(spa, nvroot, crtxg, mode, | |
| 2037 &spa->spa_l2cache, ZPOOL_CONFIG_L2CACHE, SPA_VERSION_L2CACHE, | |
| 2038 VDEV_LABEL_L2CACHE)); | |
| 2039 } | |
| 2040 | |
| 2041 static void | |
| 2042 spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs, | |
| 2043 const char *config) | |
| 2044 { | |
| 2045 int i; | |
| 2046 | |
| 2047 if (sav->sav_config != NULL) { | |
| 2048 nvlist_t **olddevs; | |
| 2049 uint_t oldndevs; | |
| 2050 nvlist_t **newdevs; | |
| 2051 | |
| 2052 /* | |
| 2053 * Generate new dev list by concatentating with the | |
| 2054 * current dev list. | |
| 2055 */ | |
| 2056 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config, | |
| 2057 &olddevs, &oldndevs) == 0); | |
| 2058 | |
| 2059 newdevs = kmem_alloc(sizeof (void *) * | |
| 2060 (ndevs + oldndevs), KM_SLEEP); | |
| 2061 for (i = 0; i < oldndevs; i++) | |
| 2062 VERIFY(nvlist_dup(olddevs[i], &newdevs[i], | |
| 2063 KM_SLEEP) == 0); | |
| 2064 for (i = 0; i < ndevs; i++) | |
| 2065 VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs], | |
| 2066 KM_SLEEP) == 0); | |
| 2067 | |
| 2068 VERIFY(nvlist_remove(sav->sav_config, config, | |
| 2069 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 2070 | |
| 2071 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 2072 config, newdevs, ndevs + oldndevs) == 0); | |
| 2073 for (i = 0; i < oldndevs + ndevs; i++) | |
| 2074 nvlist_free(newdevs[i]); | |
| 2075 kmem_free(newdevs, (oldndevs + ndevs) * sizeof (void *)); | |
| 2076 } else { | |
| 2077 /* | |
| 2078 * Generate a new dev list. | |
| 2079 */ | |
| 2080 VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME, | |
| 2081 KM_SLEEP) == 0); | |
| 2082 VERIFY(nvlist_add_nvlist_array(sav->sav_config, config, | |
| 2083 devs, ndevs) == 0); | |
| 2084 } | |
| 2085 } | |
| 2086 | |
| 2087 /* | |
| 2088 * Stop and drop level 2 ARC devices | |
| 2089 */ | |
| 2090 void | |
| 2091 spa_l2cache_drop(spa_t *spa) | |
| 2092 { | |
| 2093 vdev_t *vd; | |
| 2094 int i; | |
| 2095 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 2096 | |
| 2097 for (i = 0; i < sav->sav_count; i++) { | |
| 2098 uint64_t pool; | |
| 2099 | |
| 2100 vd = sav->sav_vdevs[i]; | |
| 2101 ASSERT(vd != NULL); | |
| 2102 | |
|
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8211
diff
changeset
|
2103 if (spa_l2cache_exists(vd->vdev_guid, &pool) && |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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diff
changeset
|
2104 pool != 0ULL && l2arc_vdev_present(vd)) |
| 5450 | 2105 l2arc_remove_vdev(vd); |
| 2106 if (vd->vdev_isl2cache) | |
| 2107 spa_l2cache_remove(vd); | |
| 2108 vdev_clear_stats(vd); | |
| 2109 (void) vdev_close(vd); | |
| 2110 } | |
| 2111 } | |
| 2112 | |
| 2082 | 2113 /* |
| 789 | 2114 * Pool Creation |
| 2115 */ | |
| 2116 int | |
| 5094 | 2117 spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
|
7184
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PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
2118 const char *history_str, nvlist_t *zplprops) |
| 789 | 2119 { |
| 2120 spa_t *spa; | |
| 5094 | 2121 char *altroot = NULL; |
|
1635
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bonwick
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diff
changeset
|
2122 vdev_t *rvd; |
| 789 | 2123 dsl_pool_t *dp; |
| 2124 dmu_tx_t *tx; | |
|
9816
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diff
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|
2125 int error = 0; |
| 789 | 2126 uint64_t txg = TXG_INITIAL; |
| 5450 | 2127 nvlist_t **spares, **l2cache; |
| 2128 uint_t nspares, nl2cache; | |
| 5094 | 2129 uint64_t version; |
| 789 | 2130 |
| 2131 /* | |
| 2132 * If this pool already exists, return failure. | |
| 2133 */ | |
| 2134 mutex_enter(&spa_namespace_lock); | |
| 2135 if (spa_lookup(pool) != NULL) { | |
| 2136 mutex_exit(&spa_namespace_lock); | |
| 2137 return (EEXIST); | |
| 2138 } | |
| 2139 | |
| 2140 /* | |
| 2141 * Allocate a new spa_t structure. | |
| 2142 */ | |
| 5094 | 2143 (void) nvlist_lookup_string(props, |
| 2144 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); | |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
bonwick
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1601
diff
changeset
|
2145 spa = spa_add(pool, altroot); |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
2146 spa_activate(spa, spa_mode_global); |
| 789 | 2147 |
| 2148 spa->spa_uberblock.ub_txg = txg - 1; | |
| 5094 | 2149 |
| 2150 if (props && (error = spa_prop_validate(spa, props))) { | |
| 2151 spa_deactivate(spa); | |
| 2152 spa_remove(spa); | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2153 mutex_exit(&spa_namespace_lock); |
| 5094 | 2154 return (error); |
| 2155 } | |
| 2156 | |
| 2157 if (nvlist_lookup_uint64(props, zpool_prop_to_name(ZPOOL_PROP_VERSION), | |
| 2158 &version) != 0) | |
| 2159 version = SPA_VERSION; | |
| 2160 ASSERT(version <= SPA_VERSION); | |
| 2161 spa->spa_uberblock.ub_version = version; | |
| 789 | 2162 spa->spa_ubsync = spa->spa_uberblock; |
| 2163 | |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
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diff
changeset
|
2164 /* |
|
9234
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diff
changeset
|
2165 * Create "The Godfather" zio to hold all async IOs |
|
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
George Wilson <George.Wilson@Sun.COM>
parents:
9230
diff
changeset
|
2166 */ |
|
9630
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2167 spa->spa_async_zio_root = zio_root(spa, NULL, NULL, |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2168 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | ZIO_FLAG_GODFATHER); |
|
9234
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
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parents:
9230
diff
changeset
|
2169 |
|
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
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parents:
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diff
changeset
|
2170 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
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diff
changeset
|
2171 * Create the root vdev. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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diff
changeset
|
2172 */ |
|
7754
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changeset
|
2173 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
1635
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diff
changeset
|
2174 |
| 2082 | 2175 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); |
| 2176 | |
| 2177 ASSERT(error != 0 || rvd != NULL); | |
| 2178 ASSERT(error != 0 || spa->spa_root_vdev == rvd); | |
| 2179 | |
|
5913
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6575965 panic/thread=2a1016b5ca0: BAD TRAP: type=9 rp=1858500 addr=0 mmu_fsr=0, really, truly out of space
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diff
changeset
|
2180 if (error == 0 && !zfs_allocatable_devs(nvroot)) |
|
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|
2181 error = EINVAL; |
| 2082 | 2182 |
| 2183 if (error == 0 && | |
| 2184 (error = vdev_create(rvd, txg, B_FALSE)) == 0 && | |
| 5450 | 2185 (error = spa_validate_aux(spa, nvroot, txg, |
| 2082 | 2186 VDEV_ALLOC_ADD)) == 0) { |
|
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changeset
|
2187 for (int c = 0; c < rvd->vdev_children; c++) { |
|
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|
2188 vdev_metaslab_set_size(rvd->vdev_child[c]); |
|
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changeset
|
2189 vdev_expand(rvd->vdev_child[c], txg); |
|
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|
2190 } |
|
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6398664 zpool detach: missing argument to error message causes core dump
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|
2191 } |
|
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|
2192 |
|
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changeset
|
2193 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 2194 |
| 2082 | 2195 if (error != 0) { |
| 789 | 2196 spa_unload(spa); |
| 2197 spa_deactivate(spa); | |
| 2198 spa_remove(spa); | |
| 2199 mutex_exit(&spa_namespace_lock); | |
| 2200 return (error); | |
| 2201 } | |
| 2202 | |
| 2082 | 2203 /* |
| 2204 * Get the list of spares, if specified. | |
| 2205 */ | |
| 2206 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 2207 &spares, &nspares) == 0) { | |
| 5450 | 2208 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, |
| 2082 | 2209 KM_SLEEP) == 0); |
| 5450 | 2210 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 2211 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
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|
2212 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 2213 spa_load_spares(spa); |
|
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|
2214 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2215 spa->spa_spares.sav_sync = B_TRUE; |
| 2216 } | |
| 2217 | |
| 2218 /* | |
| 2219 * Get the list of level 2 cache devices, if specified. | |
| 2220 */ | |
| 2221 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 2222 &l2cache, &nl2cache) == 0) { | |
| 2223 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 2224 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2225 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 2226 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
|
7754
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changeset
|
2227 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 2228 spa_load_l2cache(spa); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2229 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2230 spa->spa_l2cache.sav_sync = B_TRUE; |
| 2082 | 2231 } |
| 2232 | |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
2233 spa->spa_dsl_pool = dp = dsl_pool_create(spa, zplprops, txg); |
| 789 | 2234 spa->spa_meta_objset = dp->dp_meta_objset; |
| 2235 | |
| 2236 tx = dmu_tx_create_assigned(dp, txg); | |
| 2237 | |
| 2238 /* | |
| 2239 * Create the pool config object. | |
| 2240 */ | |
| 2241 spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, | |
|
7497
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
2242 DMU_OT_PACKED_NVLIST, SPA_CONFIG_BLOCKSIZE, |
| 789 | 2243 DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); |
| 2244 | |
| 1544 | 2245 if (zap_add(spa->spa_meta_objset, |
| 789 | 2246 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 2247 sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { |
| 2248 cmn_err(CE_PANIC, "failed to add pool config"); | |
| 2249 } | |
| 789 | 2250 |
| 5094 | 2251 /* Newly created pools with the right version are always deflated. */ |
| 2252 if (version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2253 spa->spa_deflate = TRUE; | |
| 2254 if (zap_add(spa->spa_meta_objset, | |
| 2255 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 2256 sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { | |
| 2257 cmn_err(CE_PANIC, "failed to add deflate"); | |
| 2258 } | |
| 2082 | 2259 } |
| 2260 | |
| 789 | 2261 /* |
| 2262 * Create the deferred-free bplist object. Turn off compression | |
| 2263 * because sync-to-convergence takes longer if the blocksize | |
| 2264 * keeps changing. | |
| 2265 */ | |
| 2266 spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, | |
| 2267 1 << 14, tx); | |
| 2268 dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, | |
| 2269 ZIO_COMPRESS_OFF, tx); | |
| 2270 | |
| 1544 | 2271 if (zap_add(spa->spa_meta_objset, |
| 789 | 2272 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
| 1544 | 2273 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) { |
| 2274 cmn_err(CE_PANIC, "failed to add bplist"); | |
| 2275 } | |
| 789 | 2276 |
| 2926 | 2277 /* |
| 2278 * Create the pool's history object. | |
| 2279 */ | |
| 5094 | 2280 if (version >= SPA_VERSION_ZPOOL_HISTORY) |
| 2281 spa_history_create_obj(spa, tx); | |
| 2282 | |
| 2283 /* | |
| 2284 * Set pool properties. | |
| 2285 */ | |
| 2286 spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); | |
| 2287 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); | |
| 5329 | 2288 spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); |
|
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PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2289 spa->spa_autoexpand = zpool_prop_default_numeric(ZPOOL_PROP_AUTOEXPAND); |
|
8525
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
2290 if (props != NULL) { |
|
e0e0e525d0f8
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Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
2291 spa_configfile_set(spa, props, B_FALSE); |
| 5094 | 2292 spa_sync_props(spa, props, CRED(), tx); |
|
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Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
2293 } |
| 2926 | 2294 |
| 789 | 2295 dmu_tx_commit(tx); |
| 2296 | |
| 2297 spa->spa_sync_on = B_TRUE; | |
| 2298 txg_sync_start(spa->spa_dsl_pool); | |
| 2299 | |
| 2300 /* | |
| 2301 * We explicitly wait for the first transaction to complete so that our | |
| 2302 * bean counters are appropriately updated. | |
| 2303 */ | |
| 2304 txg_wait_synced(spa->spa_dsl_pool, txg); | |
| 2305 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2306 spa_config_sync(spa, B_FALSE, B_TRUE); |
| 789 | 2307 |
| 5094 | 2308 if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL) |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4627
diff
changeset
|
2309 (void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE); |
|
9946
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
2310 spa_history_log_version(spa, LOG_POOL_CREATE); |
|
4715
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ek110237
parents:
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diff
changeset
|
2311 |
|
8667
5c308a17eb7c
6795440 Assertion failure in spa_close()
George Wilson <George.Wilson@Sun.COM>
parents:
8662
diff
changeset
|
2312 spa->spa_minref = refcount_count(&spa->spa_refcount); |
|
5c308a17eb7c
6795440 Assertion failure in spa_close()
George Wilson <George.Wilson@Sun.COM>
parents:
8662
diff
changeset
|
2313 |
| 789 | 2314 mutex_exit(&spa_namespace_lock); |
| 2315 | |
| 2316 return (0); | |
| 2317 } | |
| 2318 | |
| 6423 | 2319 #ifdef _KERNEL |
| 2320 /* | |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2321 * Get the root pool information from the root disk, then import the root pool |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2322 * during the system boot up time. |
| 6423 | 2323 */ |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2324 extern int vdev_disk_read_rootlabel(char *, char *, nvlist_t **); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2325 |
|
e276ee006ff6
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parents:
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diff
changeset
|
2326 static nvlist_t * |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2327 spa_generate_rootconf(char *devpath, char *devid, uint64_t *guid) |
| 6423 | 2328 { |
|
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e276ee006ff6
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Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2329 nvlist_t *config; |
| 6423 | 2330 nvlist_t *nvtop, *nvroot; |
| 2331 uint64_t pgid; | |
| 2332 | |
|
9790
e276ee006ff6
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Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
changeset
|
2333 if (vdev_disk_read_rootlabel(devpath, devid, &config) != 0) |
|
e276ee006ff6
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Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
changeset
|
2334 return (NULL); |
|
e276ee006ff6
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parents:
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diff
changeset
|
2335 |
| 6423 | 2336 /* |
| 2337 * Add this top-level vdev to the child array. | |
| 2338 */ | |
|
9790
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Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
changeset
|
2339 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
e276ee006ff6
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parents:
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diff
changeset
|
2340 &nvtop) == 0); |
|
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Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
changeset
|
2341 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, |
|
e276ee006ff6
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Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
changeset
|
2342 &pgid) == 0); |
|
e276ee006ff6
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Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2343 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID, guid) == 0); |
| 6423 | 2344 |
| 2345 /* | |
| 2346 * Put this pool's top-level vdevs into a root vdev. | |
| 2347 */ | |
| 2348 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
|
9790
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parents:
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diff
changeset
|
2349 VERIFY(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE, |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2350 VDEV_TYPE_ROOT) == 0); |
| 6423 | 2351 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) == 0); |
| 2352 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_GUID, pgid) == 0); | |
| 2353 VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
| 2354 &nvtop, 1) == 0); | |
| 2355 | |
| 2356 /* | |
| 2357 * Replace the existing vdev_tree with the new root vdev in | |
| 2358 * this pool's configuration (remove the old, add the new). | |
| 2359 */ | |
| 2360 VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0); | |
| 2361 nvlist_free(nvroot); | |
|
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Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
changeset
|
2362 return (config); |
| 6423 | 2363 } |
| 2364 | |
| 2365 /* | |
|
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parents:
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diff
changeset
|
2366 * Walk the vdev tree and see if we can find a device with "better" |
|
e276ee006ff6
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diff
changeset
|
2367 * configuration. A configuration is "better" if the label on that |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
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parents:
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diff
changeset
|
2368 * device has a more recent txg. |
| 6423 | 2369 */ |
|
9790
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6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
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parents:
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diff
changeset
|
2370 static void |
|
e276ee006ff6
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parents:
9725
diff
changeset
|
2371 spa_alt_rootvdev(vdev_t *vd, vdev_t **avd, uint64_t *txg) |
|
7147
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6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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diff
changeset
|
2372 { |
|
9816
847676ec1c5b
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George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
2373 for (int c = 0; c < vd->vdev_children; c++) |
|
9790
e276ee006ff6
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diff
changeset
|
2374 spa_alt_rootvdev(vd->vdev_child[c], avd, txg); |
|
e276ee006ff6
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|
2375 |
|
e276ee006ff6
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changeset
|
2376 if (vd->vdev_ops->vdev_op_leaf) { |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
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changeset
|
2377 nvlist_t *label; |
|
e276ee006ff6
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|
2378 uint64_t label_txg; |
|
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diff
changeset
|
2379 |
|
e276ee006ff6
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changeset
|
2380 if (vdev_disk_read_rootlabel(vd->vdev_physpath, vd->vdev_devid, |
|
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|
2381 &label) != 0) |
|
e276ee006ff6
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|
2382 return; |
|
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diff
changeset
|
2383 |
|
e276ee006ff6
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|
2384 VERIFY(nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_TXG, |
|
e276ee006ff6
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|
2385 &label_txg) == 0); |
|
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|
2386 |
|
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|
2387 /* |
|
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|
2388 * Do we have a better boot device? |
|
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|
2389 */ |
|
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|
2390 if (label_txg > *txg) { |
|
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|
2391 *txg = label_txg; |
|
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|
2392 *avd = vd; |
|
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|
2393 } |
|
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|
2394 nvlist_free(label); |
|
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|
2395 } |
|
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|
2396 } |
|
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|
2397 |
| 6423 | 2398 /* |
| 2399 * Import a root pool. | |
| 2400 * | |
|
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|
2401 * For x86. devpath_list will consist of devid and/or physpath name of |
|
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|
2402 * the vdev (e.g. "id1,sd@SSEAGATE..." or "/pci@1f,0/ide@d/disk@0,0:a"). |
|
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|
2403 * The GRUB "findroot" command will return the vdev we should boot. |
| 6423 | 2404 * |
| 2405 * For Sparc, devpath_list consists the physpath name of the booting device | |
| 2406 * no matter the rootpool is a single device pool or a mirrored pool. | |
| 2407 * e.g. | |
| 2408 * "/pci@1f,0/ide@d/disk@0,0:a" | |
| 2409 */ | |
| 2410 int | |
|
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|
2411 spa_import_rootpool(char *devpath, char *devid) |
| 6423 | 2412 { |
|
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|
2413 spa_t *spa; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2414 vdev_t *rvd, *bvd, *avd = NULL; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2415 nvlist_t *config, *nvtop; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2416 uint64_t guid, txg; |
| 6423 | 2417 char *pname; |
| 2418 int error; | |
| 2419 | |
| 2420 /* | |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2421 * Read the label from the boot device and generate a configuration. |
| 6423 | 2422 */ |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2423 if ((config = spa_generate_rootconf(devpath, devid, &guid)) == NULL) { |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2424 cmn_err(CE_NOTE, "Can not read the pool label from '%s'", |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2425 devpath); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2426 return (EIO); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2427 } |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2428 |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2429 VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2430 &pname) == 0); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2431 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &txg) == 0); |
| 6423 | 2432 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2433 mutex_enter(&spa_namespace_lock); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2434 if ((spa = spa_lookup(pname)) != NULL) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2435 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2436 * Remove the existing root pool from the namespace so that we |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2437 * can replace it with the correct config we just read in. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2438 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2439 spa_remove(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2440 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2441 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2442 spa = spa_add(pname, NULL); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2443 spa->spa_is_root = B_TRUE; |
|
10100
4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2
Lin Ling <Lin.Ling@Sun.COM>
parents:
10000
diff
changeset
|
2444 spa->spa_load_verbatim = B_TRUE; |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2445 |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2446 /* |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2447 * Build up a vdev tree based on the boot device's label config. |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2448 */ |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2449 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2450 &nvtop) == 0); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2451 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2452 error = spa_config_parse(spa, &rvd, nvtop, NULL, 0, |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2453 VDEV_ALLOC_ROOTPOOL); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2454 spa_config_exit(spa, SCL_ALL, FTAG); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2455 if (error) { |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2456 mutex_exit(&spa_namespace_lock); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2457 nvlist_free(config); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2458 cmn_err(CE_NOTE, "Can not parse the config for pool '%s'", |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2459 pname); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2460 return (error); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2461 } |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2462 |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2463 /* |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2464 * Get the boot vdev. |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2465 */ |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2466 if ((bvd = vdev_lookup_by_guid(rvd, guid)) == NULL) { |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2467 cmn_err(CE_NOTE, "Can not find the boot vdev for guid %llu", |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2468 (u_longlong_t)guid); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2469 error = ENOENT; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2470 goto out; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2471 } |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2472 |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2473 /* |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2474 * Determine if there is a better boot device. |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2475 */ |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2476 avd = bvd; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2477 spa_alt_rootvdev(rvd, &avd, &txg); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2478 if (avd != bvd) { |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2479 cmn_err(CE_NOTE, "The boot device is 'degraded'. Please " |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2480 "try booting from '%s'", avd->vdev_path); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2481 error = EINVAL; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2482 goto out; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2483 } |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2484 |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2485 /* |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2486 * If the boot device is part of a spare vdev then ensure that |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2487 * we're booting off the active spare. |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2488 */ |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2489 if (bvd->vdev_parent->vdev_ops == &vdev_spare_ops && |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2490 !bvd->vdev_isspare) { |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2491 cmn_err(CE_NOTE, "The boot device is currently spared. Please " |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2492 "try booting from '%s'", |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2493 bvd->vdev_parent->vdev_child[1]->vdev_path); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2494 error = EINVAL; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2495 goto out; |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2496 } |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2497 |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2498 VERIFY(nvlist_dup(config, &spa->spa_config, 0) == 0); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2499 error = 0; |
|
9946
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
2500 spa_history_log_version(spa, LOG_POOL_IMPORT); |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2501 out: |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2502 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2503 vdev_free(rvd); |
|
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2504 spa_config_exit(spa, SCL_ALL, FTAG); |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2505 mutex_exit(&spa_namespace_lock); |
| 6423 | 2506 |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2507 nvlist_free(config); |
| 6423 | 2508 return (error); |
| 2509 } | |
|
9790
e276ee006ff6
6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
Lin Ling <Lin.Ling@Sun.COM>
parents:
9725
diff
changeset
|
2510 |
| 6423 | 2511 #endif |
| 2512 | |
| 2513 /* | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2514 * Take a pool and insert it into the namespace as if it had been loaded at |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2515 * boot. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2516 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2517 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2518 spa_import_verbatim(const char *pool, nvlist_t *config, nvlist_t *props) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2519 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2520 spa_t *spa; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2521 char *altroot = NULL; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2522 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2523 mutex_enter(&spa_namespace_lock); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2524 if (spa_lookup(pool) != NULL) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2525 mutex_exit(&spa_namespace_lock); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2526 return (EEXIST); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2527 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2528 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2529 (void) nvlist_lookup_string(props, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2530 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2531 spa = spa_add(pool, altroot); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2532 |
|
10100
4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2
Lin Ling <Lin.Ling@Sun.COM>
parents:
10000
diff
changeset
|
2533 spa->spa_load_verbatim = B_TRUE; |
|
10000
241a51d8720c
6848242 zdb -e no longer works as expected
Victor Latushkin <Victor.Latushkin@Sun.COM>
parents:
9946
diff
changeset
|
2534 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2535 VERIFY(nvlist_dup(config, &spa->spa_config, 0) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2536 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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9276
diff
changeset
|
2537 if (props != NULL) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2538 spa_configfile_set(spa, props, B_FALSE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2539 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2540 spa_config_sync(spa, B_FALSE, B_TRUE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2541 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2542 mutex_exit(&spa_namespace_lock); |
|
9946
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
2543 spa_history_log_version(spa, LOG_POOL_IMPORT); |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2544 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2545 return (0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2546 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2547 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2548 /* |
| 6423 | 2549 * Import a non-root pool into the system. |
| 2550 */ | |
| 2551 int | |
| 2552 spa_import(const char *pool, nvlist_t *config, nvlist_t *props) | |
| 2553 { | |
|
9425
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6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2554 spa_t *spa; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2555 char *altroot = NULL; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2556 int error; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2557 nvlist_t *nvroot; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2558 nvlist_t **spares, **l2cache; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2559 uint_t nspares, nl2cache; |
|
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6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2560 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2561 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2562 * If a pool with this name exists, return failure. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2563 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2564 mutex_enter(&spa_namespace_lock); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2565 if ((spa = spa_lookup(pool)) != NULL) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2566 mutex_exit(&spa_namespace_lock); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2567 return (EEXIST); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2568 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2569 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2570 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2571 * Create and initialize the spa structure. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2572 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2573 (void) nvlist_lookup_string(props, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2574 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2575 spa = spa_add(pool, altroot); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2576 spa_activate(spa, spa_mode_global); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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9276
diff
changeset
|
2577 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2578 /* |
|
9630
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2579 * Don't start async tasks until we know everything is healthy. |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2580 */ |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2581 spa_async_suspend(spa); |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2582 |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2583 /* |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2584 * Pass off the heavy lifting to spa_load(). Pass TRUE for mosconfig |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2585 * because the user-supplied config is actually the one to trust when |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2586 * doing an import. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2587 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2588 error = spa_load(spa, config, SPA_LOAD_IMPORT, B_TRUE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2589 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2590 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2591 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2592 * Toss any existing sparelist, as it doesn't have any validity |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2593 * anymore, and conflicts with spa_has_spare(). |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2594 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2595 if (spa->spa_spares.sav_config) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
2596 nvlist_free(spa->spa_spares.sav_config); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2597 spa->spa_spares.sav_config = NULL; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2598 spa_load_spares(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2599 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2600 if (spa->spa_l2cache.sav_config) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
2601 nvlist_free(spa->spa_l2cache.sav_config); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2602 spa->spa_l2cache.sav_config = NULL; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2603 spa_load_l2cache(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2604 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2605 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2606 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2607 &nvroot) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
2608 if (error == 0) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2609 error = spa_validate_aux(spa, nvroot, -1ULL, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2610 VDEV_ALLOC_SPARE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2611 if (error == 0) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
2612 error = spa_validate_aux(spa, nvroot, -1ULL, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2613 VDEV_ALLOC_L2CACHE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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parents:
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diff
changeset
|
2614 spa_config_exit(spa, SCL_ALL, FTAG); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2615 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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parents:
9276
diff
changeset
|
2616 if (props != NULL) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2617 spa_configfile_set(spa, props, B_FALSE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2618 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2619 if (error != 0 || (props && spa_writeable(spa) && |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2620 (error = spa_prop_set(spa, props)))) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2621 spa_unload(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2622 spa_deactivate(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2623 spa_remove(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2624 mutex_exit(&spa_namespace_lock); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2625 return (error); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2626 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2627 |
|
9630
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2628 spa_async_resume(spa); |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
9616
diff
changeset
|
2629 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2630 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2631 * Override any spares and level 2 cache devices as specified by |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2632 * the user, as these may have correct device names/devids, etc. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2633 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2634 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2635 &spares, &nspares) == 0) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2636 if (spa->spa_spares.sav_config) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2637 VERIFY(nvlist_remove(spa->spa_spares.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2638 ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2639 else |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2640 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2641 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2642 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2643 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2644 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2645 spa_load_spares(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2646 spa_config_exit(spa, SCL_ALL, FTAG); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2647 spa->spa_spares.sav_sync = B_TRUE; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2648 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2649 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2650 &l2cache, &nl2cache) == 0) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2651 if (spa->spa_l2cache.sav_config) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2652 VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2653 ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2654 else |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2655 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2656 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2657 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2658 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2659 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2660 spa_load_l2cache(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2661 spa_config_exit(spa, SCL_ALL, FTAG); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2662 spa->spa_l2cache.sav_sync = B_TRUE; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2663 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2664 |
|
10672
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2665 /* |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2666 * Check for any removed devices. |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2667 */ |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2668 if (spa->spa_autoreplace) { |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2669 spa_aux_check_removed(&spa->spa_spares); |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2670 spa_aux_check_removed(&spa->spa_l2cache); |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2671 } |
|
cee5a0f557db
6836743 zfs_ioc_pool_set_props() leaks nvlist if configfile is only property
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10594
diff
changeset
|
2672 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2673 if (spa_writeable(spa)) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2674 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2675 * Update the config cache to include the newly-imported pool. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2676 */ |
|
10100
4a6965f6bef8
6856634 snv_117 not booting: zfs_parse_bootfs: error2
Lin Ling <Lin.Ling@Sun.COM>
parents:
10000
diff
changeset
|
2677 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2678 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2679 |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2680 /* |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2681 * It's possible that the pool was expanded while it was exported. |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2682 * We kick off an async task to handle this for us. |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2683 */ |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2684 spa_async_request(spa, SPA_ASYNC_AUTOEXPAND); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2685 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2686 mutex_exit(&spa_namespace_lock); |
|
9946
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
2687 spa_history_log_version(spa, LOG_POOL_IMPORT); |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2688 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2689 return (0); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2690 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2691 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2692 |
| 789 | 2693 /* |
| 2694 * This (illegal) pool name is used when temporarily importing a spa_t in order | |
| 2695 * to get the vdev stats associated with the imported devices. | |
| 2696 */ | |
| 2697 #define TRYIMPORT_NAME "$import" | |
| 2698 | |
| 2699 nvlist_t * | |
| 2700 spa_tryimport(nvlist_t *tryconfig) | |
| 2701 { | |
| 2702 nvlist_t *config = NULL; | |
| 2703 char *poolname; | |
| 2704 spa_t *spa; | |
| 2705 uint64_t state; | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2706 int error; |
| 789 | 2707 |
| 2708 if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) | |
| 2709 return (NULL); | |
| 2710 | |
| 2711 if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) | |
| 2712 return (NULL); | |
| 2713 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2714 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2715 * Create and initialize the spa structure. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2716 */ |
| 789 | 2717 mutex_enter(&spa_namespace_lock); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2718 spa = spa_add(TRYIMPORT_NAME, NULL); |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
2719 spa_activate(spa, FREAD); |
| 789 | 2720 |
| 2721 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2722 * Pass off the heavy lifting to spa_load(). |
| 1732 | 2723 * Pass TRUE for mosconfig because the user-supplied config |
| 2724 * is actually the one to trust when doing an import. | |
| 789 | 2725 */ |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2726 error = spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
| 789 | 2727 |
| 2728 /* | |
| 2729 * If 'tryconfig' was at least parsable, return the current config. | |
| 2730 */ | |
| 2731 if (spa->spa_root_vdev != NULL) { | |
| 2732 config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); | |
| 2733 VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, | |
| 2734 poolname) == 0); | |
| 2735 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, | |
| 2736 state) == 0); | |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2737 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2738 spa->spa_uberblock.ub_timestamp) == 0); |
| 2082 | 2739 |
| 2740 /* | |
| 6423 | 2741 * If the bootfs property exists on this pool then we |
| 2742 * copy it out so that external consumers can tell which | |
| 2743 * pools are bootable. | |
| 2744 */ | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2745 if ((!error || error == EEXIST) && spa->spa_bootfs) { |
| 6423 | 2746 char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
| 2747 | |
| 2748 /* | |
| 2749 * We have to play games with the name since the | |
| 2750 * pool was opened as TRYIMPORT_NAME. | |
| 2751 */ | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2752 if (dsl_dsobj_to_dsname(spa_name(spa), |
| 6423 | 2753 spa->spa_bootfs, tmpname) == 0) { |
| 2754 char *cp; | |
| 2755 char *dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
| 2756 | |
| 2757 cp = strchr(tmpname, '/'); | |
| 2758 if (cp == NULL) { | |
| 2759 (void) strlcpy(dsname, tmpname, | |
| 2760 MAXPATHLEN); | |
| 2761 } else { | |
| 2762 (void) snprintf(dsname, MAXPATHLEN, | |
| 2763 "%s/%s", poolname, ++cp); | |
| 2764 } | |
| 2765 VERIFY(nvlist_add_string(config, | |
| 2766 ZPOOL_CONFIG_BOOTFS, dsname) == 0); | |
| 2767 kmem_free(dsname, MAXPATHLEN); | |
| 2768 } | |
| 2769 kmem_free(tmpname, MAXPATHLEN); | |
| 2770 } | |
| 2771 | |
| 2772 /* | |
| 5450 | 2773 * Add the list of hot spares and level 2 cache devices. |
| 2082 | 2774 */ |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2775 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 2082 | 2776 spa_add_spares(spa, config); |
| 5450 | 2777 spa_add_l2cache(spa, config); |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2778 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 789 | 2779 } |
| 2780 | |
| 2781 spa_unload(spa); | |
| 2782 spa_deactivate(spa); | |
| 2783 spa_remove(spa); | |
| 2784 mutex_exit(&spa_namespace_lock); | |
| 2785 | |
| 2786 return (config); | |
| 2787 } | |
| 2788 | |
| 2789 /* | |
| 2790 * Pool export/destroy | |
| 2791 * | |
| 2792 * The act of destroying or exporting a pool is very simple. We make sure there | |
| 2793 * is no more pending I/O and any references to the pool are gone. Then, we | |
| 2794 * update the pool state and sync all the labels to disk, removing the | |
|
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diff
changeset
|
2795 * configuration from the cache afterwards. If the 'hardforce' flag is set, then |
|
32722be6ad3b
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diff
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|
2796 * we don't sync the labels or remove the configuration cache. |
| 789 | 2797 */ |
| 2798 static int | |
|
7214
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|
2799 spa_export_common(char *pool, int new_state, nvlist_t **oldconfig, |
|
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|
2800 boolean_t force, boolean_t hardforce) |
| 789 | 2801 { |
| 2802 spa_t *spa; | |
| 2803 | |
|
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6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
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|
2804 if (oldconfig) |
|
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|
2805 *oldconfig = NULL; |
|
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|
2806 |
|
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|
2807 if (!(spa_mode_global & FWRITE)) |
| 789 | 2808 return (EROFS); |
| 2809 | |
| 2810 mutex_enter(&spa_namespace_lock); | |
| 2811 if ((spa = spa_lookup(pool)) == NULL) { | |
| 2812 mutex_exit(&spa_namespace_lock); | |
| 2813 return (ENOENT); | |
| 2814 } | |
| 2815 | |
| 2816 /* | |
| 1544 | 2817 * Put a hold on the pool, drop the namespace lock, stop async tasks, |
| 2818 * reacquire the namespace lock, and see if we can export. | |
| 2819 */ | |
| 2820 spa_open_ref(spa, FTAG); | |
| 2821 mutex_exit(&spa_namespace_lock); | |
| 2822 spa_async_suspend(spa); | |
| 2823 mutex_enter(&spa_namespace_lock); | |
| 2824 spa_close(spa, FTAG); | |
| 2825 | |
| 2826 /* | |
| 789 | 2827 * The pool will be in core if it's openable, |
| 2828 * in which case we can modify its state. | |
| 2829 */ | |
| 2830 if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) { | |
| 2831 /* | |
| 2832 * Objsets may be open only because they're dirty, so we | |
| 2833 * have to force it to sync before checking spa_refcnt. | |
| 2834 */ | |
| 2835 txg_wait_synced(spa->spa_dsl_pool, 0); | |
| 2836 | |
| 1544 | 2837 /* |
| 2838 * A pool cannot be exported or destroyed if there are active | |
| 2839 * references. If we are resetting a pool, allow references by | |
| 2840 * fault injection handlers. | |
| 2841 */ | |
| 2842 if (!spa_refcount_zero(spa) || | |
| 2843 (spa->spa_inject_ref != 0 && | |
| 2844 new_state != POOL_STATE_UNINITIALIZED)) { | |
| 2845 spa_async_resume(spa); | |
| 789 | 2846 mutex_exit(&spa_namespace_lock); |
| 2847 return (EBUSY); | |
| 2848 } | |
| 2849 | |
| 2850 /* | |
|
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|
2851 * A pool cannot be exported if it has an active shared spare. |
|
04c540040a32
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|
2852 * This is to prevent other pools stealing the active spare |
|
04c540040a32
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|
2853 * from an exported pool. At user's own will, such pool can |
|
04c540040a32
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|
2854 * be forcedly exported. |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
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|
2855 */ |
|
04c540040a32
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|
2856 if (!force && new_state == POOL_STATE_EXPORTED && |
|
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|
2857 spa_has_active_shared_spare(spa)) { |
|
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|
2858 spa_async_resume(spa); |
|
04c540040a32
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|
2859 mutex_exit(&spa_namespace_lock); |
|
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|
2860 return (EXDEV); |
|
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|
2861 } |
|
04c540040a32
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|
2862 |
|
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|
2863 /* |
| 789 | 2864 * We want this to be reflected on every label, |
| 2865 * so mark them all dirty. spa_unload() will do the | |
| 2866 * final sync that pushes these changes out. | |
| 2867 */ | |
|
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|
2868 if (new_state != POOL_STATE_UNINITIALIZED && !hardforce) { |
|
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diff
changeset
|
2869 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1544 | 2870 spa->spa_state = new_state; |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
bonwick
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1601
diff
changeset
|
2871 spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
| 1544 | 2872 vdev_config_dirty(spa->spa_root_vdev); |
|
7754
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diff
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|
2873 spa_config_exit(spa, SCL_ALL, FTAG); |
| 1544 | 2874 } |
| 789 | 2875 } |
| 2876 | |
| 4451 | 2877 spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
| 2878 | |
| 789 | 2879 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
| 2880 spa_unload(spa); | |
| 2881 spa_deactivate(spa); | |
| 2882 } | |
| 2883 | |
|
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|
2884 if (oldconfig && spa->spa_config) |
|
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|
2885 VERIFY(nvlist_dup(spa->spa_config, oldconfig, 0) == 0); |
|
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billm
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|
2886 |
| 1544 | 2887 if (new_state != POOL_STATE_UNINITIALIZED) { |
|
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|
2888 if (!hardforce) |
|
32722be6ad3b
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7897
diff
changeset
|
2889 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 1544 | 2890 spa_remove(spa); |
| 2891 } | |
| 789 | 2892 mutex_exit(&spa_namespace_lock); |
| 2893 | |
| 2894 return (0); | |
| 2895 } | |
| 2896 | |
| 2897 /* | |
| 2898 * Destroy a storage pool. | |
| 2899 */ | |
| 2900 int | |
| 2901 spa_destroy(char *pool) | |
| 2902 { | |
|
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|
2903 return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL, |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
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diff
changeset
|
2904 B_FALSE, B_FALSE)); |
| 789 | 2905 } |
| 2906 | |
| 2907 /* | |
| 2908 * Export a storage pool. | |
| 2909 */ | |
| 2910 int | |
|
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7897
diff
changeset
|
2911 spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
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diff
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|
2912 boolean_t hardforce) |
| 789 | 2913 { |
|
8211
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7897
diff
changeset
|
2914 return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig, |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
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diff
changeset
|
2915 force, hardforce)); |
| 789 | 2916 } |
| 2917 | |
| 2918 /* | |
| 1544 | 2919 * Similar to spa_export(), this unloads the spa_t without actually removing it |
| 2920 * from the namespace in any way. | |
| 2921 */ | |
| 2922 int | |
| 2923 spa_reset(char *pool) | |
| 2924 { | |
|
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|
2925 return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL, |
|
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diff
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|
2926 B_FALSE, B_FALSE)); |
| 1544 | 2927 } |
| 2928 | |
| 2929 /* | |
| 789 | 2930 * ========================================================================== |
| 2931 * Device manipulation | |
| 2932 * ========================================================================== | |
| 2933 */ | |
| 2934 | |
| 2935 /* | |
| 4527 | 2936 * Add a device to a storage pool. |
| 789 | 2937 */ |
| 2938 int | |
| 2939 spa_vdev_add(spa_t *spa, nvlist_t *nvroot) | |
| 2940 { | |
|
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|
2941 uint64_t txg, id; |
|
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|
2942 int error; |
| 789 | 2943 vdev_t *rvd = spa->spa_root_vdev; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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1544
diff
changeset
|
2944 vdev_t *vd, *tvd; |
| 5450 | 2945 nvlist_t **spares, **l2cache; |
| 2946 uint_t nspares, nl2cache; | |
| 789 | 2947 |
| 2948 txg = spa_vdev_enter(spa); | |
| 2949 | |
| 2082 | 2950 if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
| 2951 VDEV_ALLOC_ADD)) != 0) | |
| 2952 return (spa_vdev_exit(spa, NULL, txg, error)); | |
| 2953 | |
|
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|
2954 spa->spa_pending_vdev = vd; /* spa_vdev_exit() will clear this */ |
| 789 | 2955 |
| 5450 | 2956 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, |
| 2957 &nspares) != 0) | |
| 2082 | 2958 nspares = 0; |
| 2959 | |
| 5450 | 2960 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, |
| 2961 &nl2cache) != 0) | |
| 2962 nl2cache = 0; | |
| 2963 | |
|
7754
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diff
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|
2964 if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0) |
| 2082 | 2965 return (spa_vdev_exit(spa, vd, txg, EINVAL)); |
|
7754
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|
2966 |
|
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|
2967 if (vd->vdev_children != 0 && |
|
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|
2968 (error = vdev_create(vd, txg, B_FALSE)) != 0) |
|
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diff
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|
2969 return (spa_vdev_exit(spa, vd, txg, error)); |
| 2082 | 2970 |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
2971 /* |
| 5450 | 2972 * We must validate the spares and l2cache devices after checking the |
| 2973 * children. Otherwise, vdev_inuse() will blindly overwrite the spare. | |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
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|
2974 */ |
|
7754
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diff
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|
2975 if ((error = spa_validate_aux(spa, nvroot, txg, VDEV_ALLOC_ADD)) != 0) |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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|
2976 return (spa_vdev_exit(spa, vd, txg, error)); |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
2977 |
|
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|
2978 /* |
|
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6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
2979 * Transfer each new top-level vdev from vd to rvd. |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
2980 */ |
|
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|
2981 for (int c = 0; c < vd->vdev_children; c++) { |
|
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2982 |
|
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|
2983 /* |
|
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|
2984 * Set the vdev id to the first hole, if one exists. |
|
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|
2985 */ |
|
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|
2986 for (id = 0; id < rvd->vdev_children; id++) { |
|
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|
2987 if (rvd->vdev_child[id]->vdev_ishole) { |
|
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diff
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|
2988 vdev_free(rvd->vdev_child[id]); |
|
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diff
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|
2989 break; |
|
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diff
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|
2990 } |
|
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changeset
|
2991 } |
|
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|
2992 tvd = vd->vdev_child[c]; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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|
2993 vdev_remove_child(vd, tvd); |
|
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|
2994 tvd->vdev_id = id; |
|
3377
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|
2995 vdev_add_child(rvd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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3290
diff
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|
2996 vdev_config_dirty(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
2997 } |
|
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|
2998 |
| 2082 | 2999 if (nspares != 0) { |
| 5450 | 3000 spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, |
| 3001 ZPOOL_CONFIG_SPARES); | |
| 2082 | 3002 spa_load_spares(spa); |
| 5450 | 3003 spa->spa_spares.sav_sync = B_TRUE; |
| 3004 } | |
| 3005 | |
| 3006 if (nl2cache != 0) { | |
| 3007 spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, | |
| 3008 ZPOOL_CONFIG_L2CACHE); | |
| 3009 spa_load_l2cache(spa); | |
| 3010 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 789 | 3011 } |
| 3012 | |
| 3013 /* | |
|
1585
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bonwick
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1544
diff
changeset
|
3014 * We have to be careful when adding new vdevs to an existing pool. |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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diff
changeset
|
3015 * If other threads start allocating from these vdevs before we |
|
4ad213e858a9
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changeset
|
3016 * sync the config cache, and we lose power, then upon reboot we may |
|
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diff
changeset
|
3017 * fail to open the pool because there are DVAs that the config cache |
|
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6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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diff
changeset
|
3018 * can't translate. Therefore, we first add the vdevs without |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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changeset
|
3019 * initializing metaslabs; sync the config cache (via spa_vdev_exit()); |
|
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|
3020 * and then let spa_config_update() initialize the new metaslabs. |
|
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changeset
|
3021 * |
|
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diff
changeset
|
3022 * spa_load() checks for added-but-not-initialized vdevs, so that |
|
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6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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diff
changeset
|
3023 * if we lose power at any point in this sequence, the remaining |
|
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6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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diff
changeset
|
3024 * steps will be completed the next time we load the pool. |
| 789 | 3025 */ |
|
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changeset
|
3026 (void) spa_vdev_exit(spa, vd, txg, 0); |
|
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|
3027 |
|
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|
3028 mutex_enter(&spa_namespace_lock); |
|
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changeset
|
3029 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
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|
3030 mutex_exit(&spa_namespace_lock); |
| 789 | 3031 |
|
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|
3032 return (0); |
| 789 | 3033 } |
| 3034 | |
| 3035 /* | |
| 3036 * Attach a device to a mirror. The arguments are the path to any device | |
| 3037 * in the mirror, and the nvroot for the new device. If the path specifies | |
| 3038 * a device that is not mirrored, we automatically insert the mirror vdev. | |
| 3039 * | |
| 3040 * If 'replacing' is specified, the new device is intended to replace the | |
| 3041 * existing device; in this case the two devices are made into their own | |
| 4451 | 3042 * mirror using the 'replacing' vdev, which is functionally identical to |
| 789 | 3043 * the mirror vdev (it actually reuses all the same ops) but has a few |
| 3044 * extra rules: you can't attach to it after it's been created, and upon | |
| 3045 * completion of resilvering, the first disk (the one being replaced) | |
| 3046 * is automatically detached. | |
| 3047 */ | |
| 3048 int | |
| 1544 | 3049 spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
| 789 | 3050 { |
| 3051 uint64_t txg, open_txg; | |
| 3052 vdev_t *rvd = spa->spa_root_vdev; | |
| 3053 vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; | |
| 2082 | 3054 vdev_ops_t *pvops; |
|
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|
3055 char *oldvdpath, *newvdpath; |
|
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|
3056 int newvd_isspare; |
|
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|
3057 int error; |
| 789 | 3058 |
| 3059 txg = spa_vdev_enter(spa); | |
| 3060 | |
|
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|
3061 oldvd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 3062 |
| 3063 if (oldvd == NULL) | |
| 3064 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 3065 | |
|
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changeset
|
3066 if (!oldvd->vdev_ops->vdev_op_leaf) |
|
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changeset
|
3067 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
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|
3068 |
| 789 | 3069 pvd = oldvd->vdev_parent; |
| 3070 | |
| 2082 | 3071 if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
| 4451 | 3072 VDEV_ALLOC_ADD)) != 0) |
| 3073 return (spa_vdev_exit(spa, NULL, txg, EINVAL)); | |
| 3074 | |
| 3075 if (newrootvd->vdev_children != 1) | |
| 789 | 3076 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
| 3077 | |
| 3078 newvd = newrootvd->vdev_child[0]; | |
| 3079 | |
| 3080 if (!newvd->vdev_ops->vdev_op_leaf) | |
| 3081 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); | |
| 3082 | |
| 2082 | 3083 if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
| 789 | 3084 return (spa_vdev_exit(spa, newrootvd, txg, error)); |
| 3085 | |
| 4527 | 3086 /* |
| 3087 * Spares can't replace logs | |
| 3088 */ | |
|
7326
a3c803100a09
6713886 hot spares of mirrored log devices should not be allowed
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
3089 if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare) |
| 4527 | 3090 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 3091 | |
| 2082 | 3092 if (!replacing) { |
| 3093 /* | |
| 3094 * For attach, the only allowable parent is a mirror or the root | |
| 3095 * vdev. | |
| 3096 */ | |
| 3097 if (pvd->vdev_ops != &vdev_mirror_ops && | |
| 3098 pvd->vdev_ops != &vdev_root_ops) | |
| 3099 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 3100 | |
| 3101 pvops = &vdev_mirror_ops; | |
| 3102 } else { | |
| 3103 /* | |
| 3104 * Active hot spares can only be replaced by inactive hot | |
| 3105 * spares. | |
| 3106 */ | |
| 3107 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 3108 pvd->vdev_child[1] == oldvd && | |
| 3109 !spa_has_spare(spa, newvd->vdev_guid)) | |
| 3110 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 3111 | |
| 3112 /* | |
| 3113 * If the source is a hot spare, and the parent isn't already a | |
| 3114 * spare, then we want to create a new hot spare. Otherwise, we | |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3115 * want to create a replacing vdev. The user is not allowed to |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3116 * attach to a spared vdev child unless the 'isspare' state is |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
changeset
|
3117 * the same (spare replaces spare, non-spare replaces |
|
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6393525 vdev_reopen() should verify that it's still the same device
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diff
changeset
|
3118 * non-spare). |
| 2082 | 3119 */ |
| 3120 if (pvd->vdev_ops == &vdev_replacing_ops) | |
| 3121 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
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|
3122 else if (pvd->vdev_ops == &vdev_spare_ops && |
|
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6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3123 newvd->vdev_isspare != oldvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3124 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2082 | 3125 else if (pvd->vdev_ops != &vdev_spare_ops && |
| 3126 newvd->vdev_isspare) | |
| 3127 pvops = &vdev_spare_ops; | |
| 3128 else | |
| 3129 pvops = &vdev_replacing_ops; | |
| 3130 } | |
| 3131 | |
|
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
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diff
changeset
|
3132 /* |
|
9816
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diff
changeset
|
3133 * Make sure the new device is big enough. |
|
1175
759d20c7e57b
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parents:
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changeset
|
3134 */ |
|
9816
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diff
changeset
|
3135 if (newvd->vdev_asize < vdev_get_min_asize(oldvd)) |
| 789 | 3136 return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
| 3137 | |
| 1732 | 3138 /* |
| 3139 * The new device cannot have a higher alignment requirement | |
| 3140 * than the top-level vdev. | |
| 3141 */ | |
| 3142 if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) | |
| 789 | 3143 return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
| 3144 | |
| 3145 /* | |
| 3146 * If this is an in-place replacement, update oldvd's path and devid | |
| 3147 * to make it distinguishable from newvd, and unopenable from now on. | |
| 3148 */ | |
| 3149 if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { | |
| 3150 spa_strfree(oldvd->vdev_path); | |
| 3151 oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, | |
| 3152 KM_SLEEP); | |
| 3153 (void) sprintf(oldvd->vdev_path, "%s/%s", | |
| 3154 newvd->vdev_path, "old"); | |
| 3155 if (oldvd->vdev_devid != NULL) { | |
| 3156 spa_strfree(oldvd->vdev_devid); | |
| 3157 oldvd->vdev_devid = NULL; | |
| 3158 } | |
| 3159 } | |
| 3160 | |
| 3161 /* | |
| 2082 | 3162 * If the parent is not a mirror, or if we're replacing, insert the new |
| 3163 * mirror/replacing/spare vdev above oldvd. | |
| 789 | 3164 */ |
| 3165 if (pvd->vdev_ops != pvops) | |
| 3166 pvd = vdev_add_parent(oldvd, pvops); | |
| 3167 | |
| 3168 ASSERT(pvd->vdev_top->vdev_parent == rvd); | |
| 3169 ASSERT(pvd->vdev_ops == pvops); | |
| 3170 ASSERT(oldvd->vdev_parent == pvd); | |
| 3171 | |
| 3172 /* | |
| 3173 * Extract the new device from its root and add it to pvd. | |
| 3174 */ | |
| 3175 vdev_remove_child(newrootvd, newvd); | |
| 3176 newvd->vdev_id = pvd->vdev_children; | |
|
10594
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6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3177 newvd->vdev_crtxg = oldvd->vdev_crtxg; |
| 789 | 3178 vdev_add_child(pvd, newvd); |
| 3179 | |
| 3180 tvd = newvd->vdev_top; | |
| 3181 ASSERT(pvd->vdev_top == tvd); | |
| 3182 ASSERT(tvd->vdev_parent == rvd); | |
| 3183 | |
| 3184 vdev_config_dirty(tvd); | |
| 3185 | |
| 3186 /* | |
| 3187 * Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate | |
| 3188 * upward when spa_vdev_exit() calls vdev_dtl_reassess(). | |
| 3189 */ | |
| 3190 open_txg = txg + TXG_CONCURRENT_STATES - 1; | |
| 3191 | |
|
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diff
changeset
|
3192 vdev_dtl_dirty(newvd, DTL_MISSING, |
|
5a60f16123ba
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diff
changeset
|
3193 TXG_INITIAL, open_txg - TXG_INITIAL + 1); |
| 789 | 3194 |
|
9425
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6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
3195 if (newvd->vdev_isspare) { |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3196 spa_spare_activate(newvd); |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3197 spa_event_notify(spa, newvd, ESC_ZFS_VDEV_SPARE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3198 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3199 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3200 oldvdpath = spa_strdup(oldvd->vdev_path); |
|
b80e4842ad54
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diff
changeset
|
3201 newvdpath = spa_strdup(newvd->vdev_path); |
|
7313
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diff
changeset
|
3202 newvd_isspare = newvd->vdev_isspare; |
| 1544 | 3203 |
| 789 | 3204 /* |
| 3205 * Mark newvd's DTL dirty in this txg. | |
| 3206 */ | |
| 1732 | 3207 vdev_dirty(tvd, VDD_DTL, newvd, txg); |
| 789 | 3208 |
| 3209 (void) spa_vdev_exit(spa, newrootvd, open_txg, 0); | |
| 3210 | |
|
9946
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6842809 zfs history needs to record system info on import/create
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9816
diff
changeset
|
3211 spa_history_internal_log(LOG_POOL_VDEV_ATTACH, spa, NULL, |
|
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6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
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diff
changeset
|
3212 CRED(), "%s vdev=%s %s vdev=%s", |
|
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6842809 zfs history needs to record system info on import/create
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9816
diff
changeset
|
3213 replacing && newvd_isspare ? "spare in" : |
|
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6842809 zfs history needs to record system info on import/create
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9816
diff
changeset
|
3214 replacing ? "replace" : "attach", newvdpath, |
|
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6842809 zfs history needs to record system info on import/create
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diff
changeset
|
3215 replacing ? "for" : "to", oldvdpath); |
|
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|
3216 |
|
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|
3217 spa_strfree(oldvdpath); |
|
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6734585 zpool history should log when a spare device becomes active
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|
3218 spa_strfree(newvdpath); |
|
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changeset
|
3219 |
| 789 | 3220 /* |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3221 * Kick off a resilver to update newvd. |
| 789 | 3222 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
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diff
changeset
|
3223 VERIFY3U(spa_scrub(spa, POOL_SCRUB_RESILVER), ==, 0); |
| 789 | 3224 |
| 3225 return (0); | |
| 3226 } | |
| 3227 | |
| 3228 /* | |
| 3229 * Detach a device from a mirror or replacing vdev. | |
| 3230 * If 'replace_done' is specified, only detach if the parent | |
| 3231 * is a replacing vdev. | |
| 3232 */ | |
| 3233 int | |
|
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changeset
|
3234 spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done) |
| 789 | 3235 { |
| 3236 uint64_t txg; | |
|
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|
3237 int error; |
| 789 | 3238 vdev_t *rvd = spa->spa_root_vdev; |
| 3239 vdev_t *vd, *pvd, *cvd, *tvd; | |
| 2082 | 3240 boolean_t unspare = B_FALSE; |
| 3241 uint64_t unspare_guid; | |
|
6673
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6697301 deadlock between ZFS and devfs can hang system
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diff
changeset
|
3242 size_t len; |
| 789 | 3243 |
| 3244 txg = spa_vdev_enter(spa); | |
| 3245 | |
|
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diff
changeset
|
3246 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 3247 |
| 3248 if (vd == NULL) | |
| 3249 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 3250 | |
|
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|
3251 if (!vd->vdev_ops->vdev_op_leaf) |
|
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changeset
|
3252 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
4ad213e858a9
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changeset
|
3253 |
| 789 | 3254 pvd = vd->vdev_parent; |
| 3255 | |
| 3256 /* | |
|
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|
3257 * If the parent/child relationship is not as expected, don't do it. |
|
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changeset
|
3258 * Consider M(A,R(B,C)) -- that is, a mirror of A with a replacing |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3259 * vdev that's replacing B with C. The user's intent in replacing |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3260 * is to go from M(A,B) to M(A,C). If the user decides to cancel |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3261 * the replace by detaching C, the expected behavior is to end up |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3262 * M(A,B). But suppose that right after deciding to detach C, |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3263 * the replacement of B completes. We would have M(A,C), and then |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3264 * ask to detach C, which would leave us with just A -- not what |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3265 * the user wanted. To prevent this, we make sure that the |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3266 * parent/child relationship hasn't changed -- in this example, |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3267 * that C's parent is still the replacing vdev R. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3268 */ |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3269 if (pvd->vdev_guid != pguid && pguid != 0) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3270 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3271 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3272 /* |
| 789 | 3273 * If replace_done is specified, only remove this device if it's |
| 2082 | 3274 * the first child of a replacing vdev. For the 'spare' vdev, either |
| 3275 * disk can be removed. | |
| 789 | 3276 */ |
| 2082 | 3277 if (replace_done) { |
| 3278 if (pvd->vdev_ops == &vdev_replacing_ops) { | |
| 3279 if (vd->vdev_id != 0) | |
| 3280 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3281 } else if (pvd->vdev_ops != &vdev_spare_ops) { | |
| 3282 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3283 } | |
| 3284 } | |
| 3285 | |
| 3286 ASSERT(pvd->vdev_ops != &vdev_spare_ops || | |
| 4577 | 3287 spa_version(spa) >= SPA_VERSION_SPARES); |
| 789 | 3288 |
| 3289 /* | |
| 2082 | 3290 * Only mirror, replacing, and spare vdevs support detach. |
| 789 | 3291 */ |
| 3292 if (pvd->vdev_ops != &vdev_replacing_ops && | |
| 2082 | 3293 pvd->vdev_ops != &vdev_mirror_ops && |
| 3294 pvd->vdev_ops != &vdev_spare_ops) | |
| 789 | 3295 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
| 3296 | |
| 3297 /* | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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changeset
|
3298 * If this device has the only valid copy of some data, |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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changeset
|
3299 * we cannot safely detach it. |
| 789 | 3300 */ |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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changeset
|
3301 if (vdev_dtl_required(vd)) |
| 789 | 3302 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
| 3303 | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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|
3304 ASSERT(pvd->vdev_children >= 2); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3305 |
| 789 | 3306 /* |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3307 * If we are detaching the second disk from a replacing vdev, then |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3308 * check to see if we changed the original vdev's path to have "/old" |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3309 * at the end in spa_vdev_attach(). If so, undo that change now. |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3310 */ |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3311 if (pvd->vdev_ops == &vdev_replacing_ops && vd->vdev_id == 1 && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3312 pvd->vdev_child[0]->vdev_path != NULL && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3313 pvd->vdev_child[1]->vdev_path != NULL) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3314 ASSERT(pvd->vdev_child[1] == vd); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3315 cvd = pvd->vdev_child[0]; |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3316 len = strlen(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3317 if (strncmp(cvd->vdev_path, vd->vdev_path, len) == 0 && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3318 strcmp(cvd->vdev_path + len, "/old") == 0) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3319 spa_strfree(cvd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3320 cvd->vdev_path = spa_strdup(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3321 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3322 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3323 |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3324 /* |
| 2082 | 3325 * If we are detaching the original disk from a spare, then it implies |
| 3326 * that the spare should become a real disk, and be removed from the | |
| 3327 * active spare list for the pool. | |
| 3328 */ | |
| 3329 if (pvd->vdev_ops == &vdev_spare_ops && | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3330 vd->vdev_id == 0 && pvd->vdev_child[1]->vdev_isspare) |
| 2082 | 3331 unspare = B_TRUE; |
| 3332 | |
| 3333 /* | |
| 789 | 3334 * Erase the disk labels so the disk can be used for other things. |
| 3335 * This must be done after all other error cases are handled, | |
| 3336 * but before we disembowel vd (so we can still do I/O to it). | |
| 3337 * But if we can't do it, don't treat the error as fatal -- | |
| 3338 * it may be that the unwritability of the disk is the reason | |
| 3339 * it's being detached! | |
| 3340 */ | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3341 error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
| 789 | 3342 |
| 3343 /* | |
| 3344 * Remove vd from its parent and compact the parent's children. | |
| 3345 */ | |
| 3346 vdev_remove_child(pvd, vd); | |
| 3347 vdev_compact_children(pvd); | |
| 3348 | |
| 3349 /* | |
| 3350 * Remember one of the remaining children so we can get tvd below. | |
| 3351 */ | |
| 3352 cvd = pvd->vdev_child[0]; | |
| 3353 | |
| 3354 /* | |
| 2082 | 3355 * If we need to remove the remaining child from the list of hot spares, |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3356 * do it now, marking the vdev as no longer a spare in the process. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3357 * We must do this before vdev_remove_parent(), because that can |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3358 * change the GUID if it creates a new toplevel GUID. For a similar |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3359 * reason, we must remove the spare now, in the same txg as the detach; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3360 * otherwise someone could attach a new sibling, change the GUID, and |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3361 * the subsequent attempt to spa_vdev_remove(unspare_guid) would fail. |
| 2082 | 3362 */ |
| 3363 if (unspare) { | |
| 3364 ASSERT(cvd->vdev_isspare); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3365 spa_spare_remove(cvd); |
| 2082 | 3366 unspare_guid = cvd->vdev_guid; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3367 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
| 2082 | 3368 } |
| 3369 | |
| 3370 /* | |
| 789 | 3371 * If the parent mirror/replacing vdev only has one child, |
| 3372 * the parent is no longer needed. Remove it from the tree. | |
| 3373 */ | |
| 3374 if (pvd->vdev_children == 1) | |
| 3375 vdev_remove_parent(cvd); | |
| 3376 | |
| 3377 /* | |
| 3378 * We don't set tvd until now because the parent we just removed | |
| 3379 * may have been the previous top-level vdev. | |
| 3380 */ | |
| 3381 tvd = cvd->vdev_top; | |
| 3382 ASSERT(tvd->vdev_parent == rvd); | |
| 3383 | |
| 3384 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3385 * Reevaluate the parent vdev state. |
| 789 | 3386 */ |
| 4451 | 3387 vdev_propagate_state(cvd); |
| 789 | 3388 |
| 3389 /* | |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3390 * If the 'autoexpand' property is set on the pool then automatically |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3391 * try to expand the size of the pool. For example if the device we |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3392 * just detached was smaller than the others, it may be possible to |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3393 * add metaslabs (i.e. grow the pool). We need to reopen the vdev |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3394 * first so that we can obtain the updated sizes of the leaf vdevs. |
| 789 | 3395 */ |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3396 if (spa->spa_autoexpand) { |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3397 vdev_reopen(tvd); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3398 vdev_expand(tvd, txg); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3399 } |
| 789 | 3400 |
| 3401 vdev_config_dirty(tvd); | |
| 3402 | |
| 3403 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3404 * Mark vd's DTL as dirty in this txg. vdev_dtl_sync() will see that |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3405 * vd->vdev_detached is set and free vd's DTL object in syncing context. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3406 * But first make sure we're not on any *other* txg's DTL list, to |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3407 * prevent vd from being accessed after it's freed. |
| 789 | 3408 */ |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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changeset
|
3409 for (int t = 0; t < TXG_SIZE; t++) |
| 789 | 3410 (void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); |
| 1732 | 3411 vd->vdev_detached = B_TRUE; |
| 3412 vdev_dirty(tvd, VDD_DTL, vd, txg); | |
| 789 | 3413 |
| 4451 | 3414 spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
| 3415 | |
| 2082 | 3416 error = spa_vdev_exit(spa, vd, txg, 0); |
| 3417 | |
| 3418 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3419 * If this was the removal of the original device in a hot spare vdev, |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3420 * then we want to go through and remove the device from the hot spare |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3421 * list of every other pool. |
| 2082 | 3422 */ |
| 3423 if (unspare) { | |
|
8241
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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changeset
|
3424 spa_t *myspa = spa; |
| 2082 | 3425 spa = NULL; |
| 3426 mutex_enter(&spa_namespace_lock); | |
| 3427 while ((spa = spa_next(spa)) != NULL) { | |
| 3428 if (spa->spa_state != POOL_STATE_ACTIVE) | |
| 3429 continue; | |
|
8241
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6328632 zpool offline is a bit too conservative
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|
3430 if (spa == myspa) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3431 continue; |
|
7793
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7754
diff
changeset
|
3432 spa_open_ref(spa, FTAG); |
|
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7754
diff
changeset
|
3433 mutex_exit(&spa_namespace_lock); |
| 2082 | 3434 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
|
7793
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7754
diff
changeset
|
3435 mutex_enter(&spa_namespace_lock); |
|
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7754
diff
changeset
|
3436 spa_close(spa, FTAG); |
| 2082 | 3437 } |
| 3438 mutex_exit(&spa_namespace_lock); | |
| 3439 } | |
| 3440 | |
| 3441 return (error); | |
| 3442 } | |
| 3443 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3444 static nvlist_t * |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3445 spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid) |
| 2082 | 3446 { |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3447 for (int i = 0; i < count; i++) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3448 uint64_t guid; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3449 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3450 VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3451 &guid) == 0); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3452 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3453 if (guid == target_guid) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3454 return (nvpp[i]); |
| 2082 | 3455 } |
| 3456 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3457 return (NULL); |
| 5450 | 3458 } |
| 3459 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3460 static void |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3461 spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3462 nvlist_t *dev_to_remove) |
| 5450 | 3463 { |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3464 nvlist_t **newdev = NULL; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3465 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3466 if (count > 1) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3467 newdev = kmem_alloc((count - 1) * sizeof (void *), KM_SLEEP); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3468 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3469 for (int i = 0, j = 0; i < count; i++) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3470 if (dev[i] == dev_to_remove) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3471 continue; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3472 VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0); |
| 5450 | 3473 } |
| 3474 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3475 VERIFY(nvlist_remove(config, name, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3476 VERIFY(nvlist_add_nvlist_array(config, name, newdev, count - 1) == 0); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3477 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3478 for (int i = 0; i < count - 1; i++) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3479 nvlist_free(newdev[i]); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3480 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3481 if (count > 1) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3482 kmem_free(newdev, (count - 1) * sizeof (void *)); |
| 5450 | 3483 } |
| 3484 | |
| 3485 /* | |
|
10594
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3486 * Removing a device from the vdev namespace requires several steps |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3487 * and can take a significant amount of time. As a result we use |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3488 * the spa_vdev_config_[enter/exit] functions which allow us to |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3489 * grab and release the spa_config_lock while still holding the namespace |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3490 * lock. During each step the configuration is synced out. |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3491 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3492 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3493 /* |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3494 * Initial phase of device removal - stop future allocations from this device. |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3495 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3496 void |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3497 spa_vdev_remove_start(spa_t *spa, vdev_t *vd) |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3498 { |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3499 metaslab_group_t *mg = vd->vdev_mg; |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3500 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3501 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3502 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3503 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3504 /* |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3505 * Remove our vdev from the allocatable vdevs |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3506 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3507 if (mg) |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3508 metaslab_class_remove(mg->mg_class, mg); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3509 } |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3510 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3511 /* |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3512 * Evacuate the device. |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3513 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3514 int |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3515 spa_vdev_remove_evacuate(spa_t *spa, vdev_t *vd) |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3516 { |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3517 uint64_t txg; |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3518 int error; |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3519 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3520 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3521 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3522 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3523 /* |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3524 * Evacuate the device. We don't hold the config lock as writer |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3525 * since we need to do I/O but we do keep the |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3526 * spa_namespace_lock held. Once this completes the device |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3527 * should no longer have any blocks allocated on it. |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3528 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3529 if (vd->vdev_islog) { |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3530 /* |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3531 * Evacuate the device. |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3532 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3533 if (error = dmu_objset_find(spa_name(spa), |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3534 zil_vdev_offline, NULL, DS_FIND_CHILDREN)) { |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3535 uint64_t txg; |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3536 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3537 txg = spa_vdev_config_enter(spa); |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3538 metaslab_class_add(spa->spa_log_class, |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3539 vd->vdev_mg); |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3540 return (spa_vdev_exit(spa, NULL, txg, error)); |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3541 } |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3542 txg_wait_synced(spa_get_dsl(spa), 0); |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3543 } |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3544 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3545 /* |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3546 * Remove any remaining MOS metadata associated with the device. |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3547 */ |
|
986cb68d2347
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10575
diff
changeset
|
3548 txg = spa_vdev_config_enter(spa); |
|
986cb68d2347
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diff
changeset
|
3549 vd->vdev_removing = B_TRUE; |
|
986cb68d2347
6574286 removing a slog doesn't work
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diff
changeset
|
3550 vdev_dirty(vd, 0, NULL, txg); |
|
986cb68d2347
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diff
changeset
|
3551 vdev_config_dirty(vd); |
|
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diff
changeset
|
3552 spa_vdev_config_exit(spa, NULL, txg, 0, FTAG); |
|
986cb68d2347
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diff
changeset
|
3553 |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3554 return (0); |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3555 } |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3556 |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3557 /* |
|
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diff
changeset
|
3558 * Complete the removal by cleaning up the namespace. |
|
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diff
changeset
|
3559 */ |
|
986cb68d2347
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10575
diff
changeset
|
3560 void |
|
986cb68d2347
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diff
changeset
|
3561 spa_vdev_remove_done(spa_t *spa, vdev_t *vd) |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3562 { |
|
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diff
changeset
|
3563 vdev_t *rvd = spa->spa_root_vdev; |
|
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diff
changeset
|
3564 metaslab_group_t *mg = vd->vdev_mg; |
|
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diff
changeset
|
3565 uint64_t id = vd->vdev_id; |
|
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diff
changeset
|
3566 boolean_t last_vdev = (id == (rvd->vdev_children - 1)); |
|
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diff
changeset
|
3567 |
|
986cb68d2347
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10575
diff
changeset
|
3568 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
|
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diff
changeset
|
3569 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
|
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diff
changeset
|
3570 |
|
986cb68d2347
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diff
changeset
|
3571 (void) vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
|
986cb68d2347
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diff
changeset
|
3572 vdev_free(vd); |
|
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parents:
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diff
changeset
|
3573 |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3574 /* |
|
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parents:
10575
diff
changeset
|
3575 * It's possible that another thread is trying todo a spa_vdev_add() |
|
986cb68d2347
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10575
diff
changeset
|
3576 * at the same time we're trying remove it. As a result the |
|
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10575
diff
changeset
|
3577 * added vdev may not have initialized its metaslabs yet. |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3578 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3579 if (mg != NULL) |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3580 metaslab_group_destroy(mg); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3581 |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3582 if (last_vdev) { |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3583 vdev_compact_children(rvd); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3584 } else { |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3585 vd = vdev_alloc_common(spa, id, 0, &vdev_hole_ops); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3586 vdev_add_child(rvd, vd); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3587 } |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3588 vdev_config_dirty(rvd); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3589 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3590 /* |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3591 * Reassess the health of our root vdev. |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3592 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3593 vdev_reopen(rvd); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3594 } |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3595 |
|
986cb68d2347
6574286 removing a slog doesn't work
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10575
diff
changeset
|
3596 /* |
| 5450 | 3597 * Remove a device from the pool. Currently, this supports removing only hot |
|
10594
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parents:
10575
diff
changeset
|
3598 * spares, slogs, and level 2 ARC devices. |
| 5450 | 3599 */ |
| 3600 int | |
| 3601 spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) | |
| 3602 { | |
| 3603 vdev_t *vd; | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3604 nvlist_t **spares, **l2cache, *nv; |
|
10594
986cb68d2347
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diff
changeset
|
3605 uint64_t txg = 0; |
| 5450 | 3606 uint_t nspares, nl2cache; |
| 3607 int error = 0; | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
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diff
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|
3608 boolean_t locked = MUTEX_HELD(&spa_namespace_lock); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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parents:
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diff
changeset
|
3609 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3610 if (!locked) |
|
5a60f16123ba
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3611 txg = spa_vdev_enter(spa); |
| 5450 | 3612 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3613 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 5450 | 3614 |
| 3615 if (spa->spa_spares.sav_vdevs != NULL && | |
| 3616 nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3617 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0 && |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3618 (nv = spa_nvlist_lookup_by_guid(spares, nspares, guid)) != NULL) { |
|
b80e4842ad54
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parents:
7706
diff
changeset
|
3619 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3620 * Only remove the hot spare if it's not currently in use |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3621 * in this pool. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3622 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3623 if (vd == NULL || unspare) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3624 spa_vdev_remove_aux(spa->spa_spares.sav_config, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3625 ZPOOL_CONFIG_SPARES, spares, nspares, nv); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3626 spa_load_spares(spa); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3627 spa->spa_spares.sav_sync = B_TRUE; |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3628 } else { |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3629 error = EBUSY; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3630 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3631 } else if (spa->spa_l2cache.sav_vdevs != NULL && |
| 5450 | 3632 nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3633 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0 && |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3634 (nv = spa_nvlist_lookup_by_guid(l2cache, nl2cache, guid)) != NULL) { |
|
b80e4842ad54
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parents:
7706
diff
changeset
|
3635 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3636 * Cache devices can always be removed. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3637 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3638 spa_vdev_remove_aux(spa->spa_l2cache.sav_config, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3639 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache, nv); |
| 5450 | 3640 spa_load_l2cache(spa); |
| 3641 spa->spa_l2cache.sav_sync = B_TRUE; | |
|
10594
986cb68d2347
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George Wilson <George.Wilson@Sun.COM>
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diff
changeset
|
3642 } else if (vd != NULL && vd->vdev_islog) { |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3643 ASSERT(!locked); |
|
986cb68d2347
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George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3644 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3645 /* |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3646 * XXX - Once we have bp-rewrite this should |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3647 * become the common case. |
|
986cb68d2347
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George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3648 */ |
|
986cb68d2347
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George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3649 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3650 /* |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3651 * 1. Stop allocations |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3652 * 2. Evacuate the device (i.e. kill off stubby and |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3653 * metadata) and wait for it to complete (i.e. sync). |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3654 * 3. Cleanup the vdev namespace. |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3655 */ |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3656 spa_vdev_remove_start(spa, vd); |
|
986cb68d2347
6574286 removing a slog doesn't work
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parents:
10575
diff
changeset
|
3657 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3658 spa_vdev_config_exit(spa, NULL, txg, 0, FTAG); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3659 if ((error = spa_vdev_remove_evacuate(spa, vd)) != 0) |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3660 return (error); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3661 txg = spa_vdev_config_enter(spa); |
|
986cb68d2347
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parents:
10575
diff
changeset
|
3662 |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3663 spa_vdev_remove_done(spa, vd); |
|
986cb68d2347
6574286 removing a slog doesn't work
George Wilson <George.Wilson@Sun.COM>
parents:
10575
diff
changeset
|
3664 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3665 } else if (vd != NULL) { |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3666 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3667 * Normal vdevs cannot be removed (yet). |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3668 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3669 error = ENOTSUP; |
|
b80e4842ad54
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diff
changeset
|
3670 } else { |
|
b80e4842ad54
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7706
diff
changeset
|
3671 /* |
|
b80e4842ad54
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7706
diff
changeset
|
3672 * There is no vdev of any kind with the specified guid. |
|
b80e4842ad54
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diff
changeset
|
3673 */ |
|
b80e4842ad54
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7706
diff
changeset
|
3674 error = ENOENT; |
| 5450 | 3675 } |
| 2082 | 3676 |
|
8241
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diff
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|
3677 if (!locked) |
|
5a60f16123ba
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diff
changeset
|
3678 return (spa_vdev_exit(spa, NULL, txg, error)); |
|
5a60f16123ba
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changeset
|
3679 |
|
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changeset
|
3680 return (error); |
| 789 | 3681 } |
| 3682 | |
| 3683 /* | |
| 4451 | 3684 * Find any device that's done replacing, or a vdev marked 'unspare' that's |
| 3685 * current spared, so we can detach it. | |
| 789 | 3686 */ |
| 1544 | 3687 static vdev_t * |
| 4451 | 3688 spa_vdev_resilver_done_hunt(vdev_t *vd) |
| 789 | 3689 { |
| 1544 | 3690 vdev_t *newvd, *oldvd; |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3691 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3692 for (int c = 0; c < vd->vdev_children; c++) { |
| 4451 | 3693 oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
| 1544 | 3694 if (oldvd != NULL) |
| 3695 return (oldvd); | |
| 3696 } | |
| 789 | 3697 |
| 4451 | 3698 /* |
| 3699 * Check for a completed replacement. | |
| 3700 */ | |
| 789 | 3701 if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) { |
| 1544 | 3702 oldvd = vd->vdev_child[0]; |
| 3703 newvd = vd->vdev_child[1]; | |
| 789 | 3704 |
|
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changeset
|
3705 if (vdev_dtl_empty(newvd, DTL_MISSING) && |
|
5a60f16123ba
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diff
changeset
|
3706 !vdev_dtl_required(oldvd)) |
| 1544 | 3707 return (oldvd); |
| 3708 } | |
| 789 | 3709 |
| 4451 | 3710 /* |
| 3711 * Check for a completed resilver with the 'unspare' flag set. | |
| 3712 */ | |
| 3713 if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) { | |
| 3714 newvd = vd->vdev_child[0]; | |
| 3715 oldvd = vd->vdev_child[1]; | |
| 3716 | |
| 3717 if (newvd->vdev_unspare && | |
|
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diff
changeset
|
3718 vdev_dtl_empty(newvd, DTL_MISSING) && |
|
5a60f16123ba
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diff
changeset
|
3719 !vdev_dtl_required(oldvd)) { |
| 4451 | 3720 newvd->vdev_unspare = 0; |
| 3721 return (oldvd); | |
| 3722 } | |
| 3723 } | |
| 3724 | |
| 1544 | 3725 return (NULL); |
| 789 | 3726 } |
| 3727 | |
| 1544 | 3728 static void |
| 4451 | 3729 spa_vdev_resilver_done(spa_t *spa) |
| 789 | 3730 { |
|
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diff
changeset
|
3731 vdev_t *vd, *pvd, *ppvd; |
|
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diff
changeset
|
3732 uint64_t guid, sguid, pguid, ppguid; |
|
5a60f16123ba
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diff
changeset
|
3733 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3734 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3735 |
| 4451 | 3736 while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) { |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3737 pvd = vd->vdev_parent; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3738 ppvd = pvd->vdev_parent; |
| 1544 | 3739 guid = vd->vdev_guid; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3740 pguid = pvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3741 ppguid = ppvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3742 sguid = 0; |
| 2082 | 3743 /* |
| 3744 * If we have just finished replacing a hot spared device, then | |
| 3745 * we need to detach the parent's first child (the original hot | |
| 3746 * spare) as well. | |
| 3747 */ | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3748 if (ppvd->vdev_ops == &vdev_spare_ops && pvd->vdev_id == 0) { |
| 2082 | 3749 ASSERT(pvd->vdev_ops == &vdev_replacing_ops); |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3750 ASSERT(ppvd->vdev_children == 2); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3751 sguid = ppvd->vdev_child[1]->vdev_guid; |
| 2082 | 3752 } |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3753 spa_config_exit(spa, SCL_ALL, FTAG); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3754 if (spa_vdev_detach(spa, guid, pguid, B_TRUE) != 0) |
| 1544 | 3755 return; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3756 if (sguid && spa_vdev_detach(spa, sguid, ppguid, B_TRUE) != 0) |
| 2082 | 3757 return; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3758 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3759 } |
| 3760 | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3761 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 3762 } |
| 3763 | |
| 3764 /* | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3765 * Update the stored path or FRU for this vdev. Dirty the vdev configuration, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3766 * relying on spa_vdev_enter/exit() to synchronize the labels and cache. |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3767 */ |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3768 int |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3769 spa_vdev_set_common(spa_t *spa, uint64_t guid, const char *value, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3770 boolean_t ispath) |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3771 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3772 vdev_t *vd; |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3773 uint64_t txg; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3774 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3775 txg = spa_vdev_enter(spa); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3776 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3777 if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) |
| 5450 | 3778 return (spa_vdev_exit(spa, NULL, txg, ENOENT)); |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3779 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3780 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3781 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3782 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3783 if (ispath) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3784 spa_strfree(vd->vdev_path); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3785 vd->vdev_path = spa_strdup(value); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3786 } else { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3787 if (vd->vdev_fru != NULL) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3788 spa_strfree(vd->vdev_fru); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3789 vd->vdev_fru = spa_strdup(value); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3790 } |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3791 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3792 vdev_config_dirty(vd->vdev_top); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3793 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3794 return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3795 } |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3796 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3797 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3798 spa_vdev_setpath(spa_t *spa, uint64_t guid, const char *newpath) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3799 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3800 return (spa_vdev_set_common(spa, guid, newpath, B_TRUE)); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3801 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3802 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3803 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3804 spa_vdev_setfru(spa_t *spa, uint64_t guid, const char *newfru) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3805 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3806 return (spa_vdev_set_common(spa, guid, newfru, B_FALSE)); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3807 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3808 |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3809 /* |
| 789 | 3810 * ========================================================================== |
| 3811 * SPA Scrubbing | |
| 3812 * ========================================================================== | |
| 3813 */ | |
| 3814 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3815 int |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3816 spa_scrub(spa_t *spa, pool_scrub_type_t type) |
| 789 | 3817 { |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3818 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); |
| 4808 | 3819 |
| 789 | 3820 if ((uint_t)type >= POOL_SCRUB_TYPES) |
| 3821 return (ENOTSUP); | |
| 3822 | |
| 3823 /* | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3824 * If a resilver was requested, but there is no DTL on a |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3825 * writeable leaf device, we have nothing to do. |
| 789 | 3826 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3827 if (type == POOL_SCRUB_RESILVER && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3828 !vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL)) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3829 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 1544 | 3830 return (0); |
| 3831 } | |
| 789 | 3832 |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3833 if (type == POOL_SCRUB_EVERYTHING && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3834 spa->spa_dsl_pool->dp_scrub_func != SCRUB_FUNC_NONE && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3835 spa->spa_dsl_pool->dp_scrub_isresilver) |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3836 return (EBUSY); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3837 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3838 if (type == POOL_SCRUB_EVERYTHING || type == POOL_SCRUB_RESILVER) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3839 return (dsl_pool_scrub_clean(spa->spa_dsl_pool)); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3840 } else if (type == POOL_SCRUB_NONE) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3841 return (dsl_pool_scrub_cancel(spa->spa_dsl_pool)); |
| 1544 | 3842 } else { |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3843 return (EINVAL); |
| 1544 | 3844 } |
| 789 | 3845 } |
| 3846 | |
| 1544 | 3847 /* |
| 3848 * ========================================================================== | |
| 3849 * SPA async task processing | |
| 3850 * ========================================================================== | |
| 3851 */ | |
| 3852 | |
| 3853 static void | |
| 4451 | 3854 spa_async_remove(spa_t *spa, vdev_t *vd) |
| 789 | 3855 { |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3856 if (vd->vdev_remove_wanted) { |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3857 vd->vdev_remove_wanted = 0; |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3858 vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE); |
|
10575
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3859 |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3860 /* |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3861 * We want to clear the stats, but we don't want to do a full |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3862 * vdev_clear() as that will cause us to throw away |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3863 * degraded/faulted state as well as attempt to reopen the |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3864 * device, all of which is a waste. |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3865 */ |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3866 vd->vdev_stat.vs_read_errors = 0; |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3867 vd->vdev_stat.vs_write_errors = 0; |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3868 vd->vdev_stat.vs_checksum_errors = 0; |
|
2a8816c5173b
6882196 resource.* events shouldn't be posted during spa_tryimport()
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
10342
diff
changeset
|
3869 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3870 vdev_state_dirty(vd->vdev_top); |
| 1544 | 3871 } |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3872 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3873 for (int c = 0; c < vd->vdev_children; c++) |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3874 spa_async_remove(spa, vd->vdev_child[c]); |
| 1544 | 3875 } |
| 3876 | |
| 3877 static void | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3878 spa_async_probe(spa_t *spa, vdev_t *vd) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3879 { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3880 if (vd->vdev_probe_wanted) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3881 vd->vdev_probe_wanted = 0; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3882 vdev_reopen(vd); /* vdev_open() does the actual probe */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3883 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3884 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3885 for (int c = 0; c < vd->vdev_children; c++) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3886 spa_async_probe(spa, vd->vdev_child[c]); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3887 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3888 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3889 static void |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3890 spa_async_autoexpand(spa_t *spa, vdev_t *vd) |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3891 { |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3892 sysevent_id_t eid; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3893 nvlist_t *attr; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3894 char *physpath; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3895 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3896 if (!spa->spa_autoexpand) |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3897 return; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3898 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3899 for (int c = 0; c < vd->vdev_children; c++) { |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3900 vdev_t *cvd = vd->vdev_child[c]; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
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parents:
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diff
changeset
|
3901 spa_async_autoexpand(spa, cvd); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3902 } |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3903 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3904 if (!vd->vdev_ops->vdev_op_leaf || vd->vdev_physpath == NULL) |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3905 return; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3906 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3907 physpath = kmem_zalloc(MAXPATHLEN, KM_SLEEP); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3908 (void) snprintf(physpath, MAXPATHLEN, "/devices%s", vd->vdev_physpath); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3909 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3910 VERIFY(nvlist_alloc(&attr, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3911 VERIFY(nvlist_add_string(attr, DEV_PHYS_PATH, physpath) == 0); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3912 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3913 (void) ddi_log_sysevent(zfs_dip, SUNW_VENDOR, EC_DEV_STATUS, |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3914 ESC_DEV_DLE, attr, &eid, DDI_SLEEP); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3915 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3916 nvlist_free(attr); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3917 kmem_free(physpath, MAXPATHLEN); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3918 } |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3919 |
|
847676ec1c5b
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diff
changeset
|
3920 static void |
| 1544 | 3921 spa_async_thread(spa_t *spa) |
| 3922 { | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3923 int tasks; |
| 1544 | 3924 |
| 3925 ASSERT(spa->spa_sync_on); | |
| 789 | 3926 |
| 1544 | 3927 mutex_enter(&spa->spa_async_lock); |
| 3928 tasks = spa->spa_async_tasks; | |
| 3929 spa->spa_async_tasks = 0; | |
| 3930 mutex_exit(&spa->spa_async_lock); | |
| 3931 | |
| 3932 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3933 * See if the config needs to be updated. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3934 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3935 if (tasks & SPA_ASYNC_CONFIG_UPDATE) { |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3936 uint64_t oldsz, space_update; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3937 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3938 mutex_enter(&spa_namespace_lock); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3939 oldsz = spa_get_space(spa); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3940 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3941 space_update = spa_get_space(spa) - oldsz; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3942 mutex_exit(&spa_namespace_lock); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
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parents:
9790
diff
changeset
|
3943 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3944 /* |
|
847676ec1c5b
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parents:
9790
diff
changeset
|
3945 * If the pool grew as a result of the config update, |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3946 * then log an internal history event. |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3947 */ |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3948 if (space_update) { |
|
9946
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3949 spa_history_internal_log(LOG_POOL_VDEV_ONLINE, |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3950 spa, NULL, CRED(), |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3951 "pool '%s' size: %llu(+%llu)", |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3952 spa_name(spa), spa_get_space(spa), |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3953 space_update); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3954 } |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3955 } |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3956 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3957 /* |
| 4451 | 3958 * See if any devices need to be marked REMOVED. |
| 1544 | 3959 */ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3960 if (tasks & SPA_ASYNC_REMOVE) { |
|
10685
931790026ac6
6846163 ZFS continues to use faulted logzilla, bringing system to a crawl
George Wilson <George.Wilson@Sun.COM>
parents:
10672
diff
changeset
|
3961 spa_vdev_state_enter(spa, SCL_NONE); |
| 4451 | 3962 spa_async_remove(spa, spa->spa_root_vdev); |
|
7754
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3963 for (int i = 0; i < spa->spa_l2cache.sav_count; i++) |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3964 spa_async_remove(spa, spa->spa_l2cache.sav_vdevs[i]); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3965 for (int i = 0; i < spa->spa_spares.sav_count; i++) |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3966 spa_async_remove(spa, spa->spa_spares.sav_vdevs[i]); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3967 (void) spa_vdev_state_exit(spa, NULL, 0); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3968 } |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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7706
diff
changeset
|
3969 |
|
9816
847676ec1c5b
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9790
diff
changeset
|
3970 if ((tasks & SPA_ASYNC_AUTOEXPAND) && !spa_suspended(spa)) { |
|
847676ec1c5b
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George Wilson <George.Wilson@Sun.COM>
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9790
diff
changeset
|
3971 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
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parents:
9790
diff
changeset
|
3972 spa_async_autoexpand(spa, spa->spa_root_vdev); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
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parents:
9790
diff
changeset
|
3973 spa_config_exit(spa, SCL_CONFIG, FTAG); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
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9790
diff
changeset
|
3974 } |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
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9790
diff
changeset
|
3975 |
|
7754
b80e4842ad54
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diff
changeset
|
3976 /* |
|
b80e4842ad54
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diff
changeset
|
3977 * See if any devices need to be probed. |
|
b80e4842ad54
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diff
changeset
|
3978 */ |
|
b80e4842ad54
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diff
changeset
|
3979 if (tasks & SPA_ASYNC_PROBE) { |
|
10685
931790026ac6
6846163 ZFS continues to use faulted logzilla, bringing system to a crawl
George Wilson <George.Wilson@Sun.COM>
parents:
10672
diff
changeset
|
3980 spa_vdev_state_enter(spa, SCL_NONE); |
|
7754
b80e4842ad54
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diff
changeset
|
3981 spa_async_probe(spa, spa->spa_root_vdev); |
|
b80e4842ad54
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diff
changeset
|
3982 (void) spa_vdev_state_exit(spa, NULL, 0); |
| 4451 | 3983 } |
| 1544 | 3984 |
| 3985 /* | |
| 3986 * If any devices are done replacing, detach them. | |
| 3987 */ | |
| 4451 | 3988 if (tasks & SPA_ASYNC_RESILVER_DONE) |
| 3989 spa_vdev_resilver_done(spa); | |
| 789 | 3990 |
| 1544 | 3991 /* |
| 3992 * Kick off a resilver. | |
| 3993 */ | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3994 if (tasks & SPA_ASYNC_RESILVER) |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3995 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER) == 0); |
| 1544 | 3996 |
| 3997 /* | |
| 3998 * Let the world know that we're done. | |
| 3999 */ | |
| 4000 mutex_enter(&spa->spa_async_lock); | |
| 4001 spa->spa_async_thread = NULL; | |
| 4002 cv_broadcast(&spa->spa_async_cv); | |
| 4003 mutex_exit(&spa->spa_async_lock); | |
| 4004 thread_exit(); | |
| 4005 } | |
| 4006 | |
| 4007 void | |
| 4008 spa_async_suspend(spa_t *spa) | |
| 4009 { | |
| 4010 mutex_enter(&spa->spa_async_lock); | |
| 4011 spa->spa_async_suspended++; | |
| 4012 while (spa->spa_async_thread != NULL) | |
| 4013 cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); | |
| 4014 mutex_exit(&spa->spa_async_lock); | |
| 4015 } | |
| 4016 | |
| 4017 void | |
| 4018 spa_async_resume(spa_t *spa) | |
| 4019 { | |
| 4020 mutex_enter(&spa->spa_async_lock); | |
| 4021 ASSERT(spa->spa_async_suspended != 0); | |
| 4022 spa->spa_async_suspended--; | |
| 4023 mutex_exit(&spa->spa_async_lock); | |
| 4024 } | |
| 4025 | |
| 4026 static void | |
| 4027 spa_async_dispatch(spa_t *spa) | |
| 4028 { | |
| 4029 mutex_enter(&spa->spa_async_lock); | |
| 4030 if (spa->spa_async_tasks && !spa->spa_async_suspended && | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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diff
changeset
|
4031 spa->spa_async_thread == NULL && |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
changeset
|
4032 rootdir != NULL && !vn_is_readonly(rootdir)) |
| 1544 | 4033 spa->spa_async_thread = thread_create(NULL, 0, |
| 4034 spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); | |
| 4035 mutex_exit(&spa->spa_async_lock); | |
| 4036 } | |
| 4037 | |
| 4038 void | |
| 4039 spa_async_request(spa_t *spa, int task) | |
| 4040 { | |
| 4041 mutex_enter(&spa->spa_async_lock); | |
| 4042 spa->spa_async_tasks |= task; | |
| 4043 mutex_exit(&spa->spa_async_lock); | |
| 789 | 4044 } |
| 4045 | |
| 4046 /* | |
| 4047 * ========================================================================== | |
| 4048 * SPA syncing routines | |
| 4049 * ========================================================================== | |
| 4050 */ | |
| 4051 | |
| 4052 static void | |
| 4053 spa_sync_deferred_frees(spa_t *spa, uint64_t txg) | |
| 4054 { | |
| 4055 bplist_t *bpl = &spa->spa_sync_bplist; | |
| 4056 dmu_tx_t *tx; | |
| 4057 blkptr_t blk; | |
| 4058 uint64_t itor = 0; | |
| 4059 zio_t *zio; | |
| 4060 int error; | |
| 4061 uint8_t c = 1; | |
| 4062 | |
|
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4063 zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); |
|
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4064 |
|
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4065 while (bplist_iterate(bpl, &itor, &blk) == 0) { |
|
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4066 ASSERT(blk.blk_birth < txg); |
|
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|
4067 zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL, |
|
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4068 ZIO_FLAG_MUSTSUCCEED)); |
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|
4069 } |
| 789 | 4070 |
| 4071 error = zio_wait(zio); | |
| 4072 ASSERT3U(error, ==, 0); | |
| 4073 | |
| 4074 tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); | |
| 4075 bplist_vacate(bpl, tx); | |
| 4076 | |
| 4077 /* | |
| 4078 * Pre-dirty the first block so we sync to convergence faster. | |
| 4079 * (Usually only the first block is needed.) | |
| 4080 */ | |
| 4081 dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); | |
| 4082 dmu_tx_commit(tx); | |
| 4083 } | |
| 4084 | |
| 4085 static void | |
| 2082 | 4086 spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
| 4087 { | |
| 4088 char *packed = NULL; | |
|
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Tim Haley <Tim.Haley@Sun.COM>
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7377
diff
changeset
|
4089 size_t bufsize; |
| 2082 | 4090 size_t nvsize = 0; |
| 4091 dmu_buf_t *db; | |
| 4092 | |
| 4093 VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); | |
| 4094 | |
|
7497
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diff
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|
4095 /* |
|
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diff
changeset
|
4096 * Write full (SPA_CONFIG_BLOCKSIZE) blocks of configuration |
|
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diff
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|
4097 * information. This avoids the dbuf_will_dirty() path and |
|
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diff
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|
4098 * saves us a pre-read to get data we don't actually care about. |
|
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|
4099 */ |
|
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diff
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|
4100 bufsize = P2ROUNDUP(nvsize, SPA_CONFIG_BLOCKSIZE); |
|
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diff
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|
4101 packed = kmem_alloc(bufsize, KM_SLEEP); |
| 2082 | 4102 |
| 4103 VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, | |
| 4104 KM_SLEEP) == 0); | |
|
7497
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diff
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|
4105 bzero(packed + nvsize, bufsize - nvsize); |
|
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6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
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diff
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|
4106 |
|
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|
4107 dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx); |
|
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diff
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|
4108 |
|
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|
4109 kmem_free(packed, bufsize); |
| 2082 | 4110 |
| 4111 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 4112 dmu_buf_will_dirty(db, tx); | |
| 4113 *(uint64_t *)db->db_data = nvsize; | |
| 4114 dmu_buf_rele(db, FTAG); | |
| 4115 } | |
| 4116 | |
| 4117 static void | |
| 5450 | 4118 spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, |
| 4119 const char *config, const char *entry) | |
| 2082 | 4120 { |
| 4121 nvlist_t *nvroot; | |
| 5450 | 4122 nvlist_t **list; |
| 2082 | 4123 int i; |
| 4124 | |
| 5450 | 4125 if (!sav->sav_sync) |
| 2082 | 4126 return; |
| 4127 | |
| 4128 /* | |
| 5450 | 4129 * Update the MOS nvlist describing the list of available devices. |
| 4130 * spa_validate_aux() will have already made sure this nvlist is | |
| 4451 | 4131 * valid and the vdevs are labeled appropriately. |
| 2082 | 4132 */ |
| 5450 | 4133 if (sav->sav_object == 0) { |
| 4134 sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 4135 DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, | |
| 4136 sizeof (uint64_t), tx); | |
| 2082 | 4137 VERIFY(zap_update(spa->spa_meta_objset, |
| 5450 | 4138 DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, |
| 4139 &sav->sav_object, tx) == 0); | |
| 2082 | 4140 } |
| 4141 | |
| 4142 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 5450 | 4143 if (sav->sav_count == 0) { |
| 4144 VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); | |
| 2082 | 4145 } else { |
| 5450 | 4146 list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
| 4147 for (i = 0; i < sav->sav_count; i++) | |
| 4148 list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], | |
| 4149 B_FALSE, B_FALSE, B_TRUE); | |
| 4150 VERIFY(nvlist_add_nvlist_array(nvroot, config, list, | |
| 4151 sav->sav_count) == 0); | |
| 4152 for (i = 0; i < sav->sav_count; i++) | |
| 4153 nvlist_free(list[i]); | |
| 4154 kmem_free(list, sav->sav_count * sizeof (void *)); | |
| 2082 | 4155 } |
| 4156 | |
| 5450 | 4157 spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); |
| 2926 | 4158 nvlist_free(nvroot); |
| 2082 | 4159 |
| 5450 | 4160 sav->sav_sync = B_FALSE; |
| 2082 | 4161 } |
| 4162 | |
| 4163 static void | |
| 789 | 4164 spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
| 4165 { | |
| 4166 nvlist_t *config; | |
| 4167 | |
|
7754
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|
4168 if (list_is_empty(&spa->spa_config_dirty_list)) |
| 789 | 4169 return; |
| 4170 | |
|
7754
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|
4171 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
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|
4172 |
|
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|
4173 config = spa_config_generate(spa, spa->spa_root_vdev, |
|
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4174 dmu_tx_get_txg(tx), B_FALSE); |
|
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|
4175 |
|
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|
4176 spa_config_exit(spa, SCL_STATE, FTAG); |
| 789 | 4177 |
|
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diff
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|
4178 if (spa->spa_config_syncing) |
|
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bonwick
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diff
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|
4179 nvlist_free(spa->spa_config_syncing); |
|
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bonwick
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|
4180 spa->spa_config_syncing = config; |
| 789 | 4181 |
| 2082 | 4182 spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
| 789 | 4183 } |
| 4184 | |
| 5094 | 4185 /* |
| 4186 * Set zpool properties. | |
| 4187 */ | |
| 3912 | 4188 static void |
| 4543 | 4189 spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
| 3912 | 4190 { |
| 4191 spa_t *spa = arg1; | |
| 5094 | 4192 objset_t *mos = spa->spa_meta_objset; |
| 3912 | 4193 nvlist_t *nvp = arg2; |
| 5094 | 4194 nvpair_t *elem; |
| 4451 | 4195 uint64_t intval; |
|
6643
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6625086 changing cachefile doesn't remove old cache on last user
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6615
diff
changeset
|
4196 char *strval; |
| 5094 | 4197 zpool_prop_t prop; |
| 4198 const char *propname; | |
| 4199 zprop_type_t proptype; | |
| 4200 | |
|
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|
4201 mutex_enter(&spa->spa_props_lock); |
|
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|
4202 |
| 5094 | 4203 elem = NULL; |
| 4204 while ((elem = nvlist_next_nvpair(nvp, elem))) { | |
| 4205 switch (prop = zpool_name_to_prop(nvpair_name(elem))) { | |
| 4206 case ZPOOL_PROP_VERSION: | |
| 4207 /* | |
| 4208 * Only set version for non-zpool-creation cases | |
| 4209 * (set/import). spa_create() needs special care | |
| 4210 * for version setting. | |
| 4211 */ | |
| 4212 if (tx->tx_txg != TXG_INITIAL) { | |
| 4213 VERIFY(nvpair_value_uint64(elem, | |
| 4214 &intval) == 0); | |
| 4215 ASSERT(intval <= SPA_VERSION); | |
| 4216 ASSERT(intval >= spa_version(spa)); | |
| 4217 spa->spa_uberblock.ub_version = intval; | |
| 4218 vdev_config_dirty(spa->spa_root_vdev); | |
| 4219 } | |
| 4220 break; | |
| 4221 | |
| 4222 case ZPOOL_PROP_ALTROOT: | |
| 4223 /* | |
| 4224 * 'altroot' is a non-persistent property. It should | |
| 4225 * have been set temporarily at creation or import time. | |
| 4226 */ | |
| 4227 ASSERT(spa->spa_root != NULL); | |
| 4228 break; | |
| 4229 | |
| 5363 | 4230 case ZPOOL_PROP_CACHEFILE: |
| 5094 | 4231 /* |
|
8525
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6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
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8242
diff
changeset
|
4232 * 'cachefile' is also a non-persisitent property. |
| 5094 | 4233 */ |
| 4543 | 4234 break; |
| 5094 | 4235 default: |
| 4236 /* | |
| 4237 * Set pool property values in the poolprops mos object. | |
| 4238 */ | |
| 4239 if (spa->spa_pool_props_object == 0) { | |
| 4240 objset_t *mos = spa->spa_meta_objset; | |
| 4241 | |
| 4242 VERIFY((spa->spa_pool_props_object = | |
| 4243 zap_create(mos, DMU_OT_POOL_PROPS, | |
| 4244 DMU_OT_NONE, 0, tx)) > 0); | |
| 4245 | |
| 4246 VERIFY(zap_update(mos, | |
| 4247 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, | |
| 4248 8, 1, &spa->spa_pool_props_object, tx) | |
| 4249 == 0); | |
| 4250 } | |
| 4251 | |
| 4252 /* normalize the property name */ | |
| 4253 propname = zpool_prop_to_name(prop); | |
| 4254 proptype = zpool_prop_get_type(prop); | |
| 4255 | |
| 4256 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 4257 ASSERT(proptype == PROP_TYPE_STRING); | |
| 4258 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 4259 VERIFY(zap_update(mos, | |
| 4260 spa->spa_pool_props_object, propname, | |
| 4261 1, strlen(strval) + 1, strval, tx) == 0); | |
| 4262 | |
| 4263 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { | |
| 4264 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 4265 | |
| 4266 if (proptype == PROP_TYPE_INDEX) { | |
| 4267 const char *unused; | |
| 4268 VERIFY(zpool_prop_index_to_string( | |
| 4269 prop, intval, &unused) == 0); | |
| 4270 } | |
| 4271 VERIFY(zap_update(mos, | |
| 4272 spa->spa_pool_props_object, propname, | |
| 4273 8, 1, &intval, tx) == 0); | |
| 4274 } else { | |
| 4275 ASSERT(0); /* not allowed */ | |
| 4276 } | |
| 4277 | |
| 5329 | 4278 switch (prop) { |
| 4279 case ZPOOL_PROP_DELEGATION: | |
| 5094 | 4280 spa->spa_delegation = intval; |
| 5329 | 4281 break; |
| 4282 case ZPOOL_PROP_BOOTFS: | |
| 5094 | 4283 spa->spa_bootfs = intval; |
| 5329 | 4284 break; |
| 4285 case ZPOOL_PROP_FAILUREMODE: | |
| 4286 spa->spa_failmode = intval; | |
| 4287 break; | |
|
9816
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|
4288 case ZPOOL_PROP_AUTOEXPAND: |
|
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|
4289 spa->spa_autoexpand = intval; |
|
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4290 spa_async_request(spa, SPA_ASYNC_AUTOEXPAND); |
|
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4291 break; |
| 5329 | 4292 default: |
| 4293 break; | |
| 4294 } | |
| 3912 | 4295 } |
| 5094 | 4296 |
| 4297 /* log internal history if this is not a zpool create */ | |
| 4298 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && | |
| 4299 tx->tx_txg != TXG_INITIAL) { | |
| 4300 spa_history_internal_log(LOG_POOL_PROPSET, | |
| 4301 spa, tx, cr, "%s %lld %s", | |
|
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4302 nvpair_name(elem), intval, spa_name(spa)); |
| 5094 | 4303 } |
| 3912 | 4304 } |
|
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4305 |
|
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|
4306 mutex_exit(&spa->spa_props_lock); |
| 3912 | 4307 } |
| 4308 | |
| 789 | 4309 /* |
| 4310 * Sync the specified transaction group. New blocks may be dirtied as | |
| 4311 * part of the process, so we iterate until it converges. | |
| 4312 */ | |
| 4313 void | |
| 4314 spa_sync(spa_t *spa, uint64_t txg) | |
| 4315 { | |
| 4316 dsl_pool_t *dp = spa->spa_dsl_pool; | |
| 4317 objset_t *mos = spa->spa_meta_objset; | |
| 4318 bplist_t *bpl = &spa->spa_sync_bplist; | |
|
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|
4319 vdev_t *rvd = spa->spa_root_vdev; |
| 789 | 4320 vdev_t *vd; |
| 4321 dmu_tx_t *tx; | |
| 4322 int dirty_vdevs; | |
|
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|
4323 int error; |
| 789 | 4324 |
| 4325 /* | |
| 4326 * Lock out configuration changes. | |
| 4327 */ | |
|
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|
4328 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 789 | 4329 |
| 4330 spa->spa_syncing_txg = txg; | |
| 4331 spa->spa_sync_pass = 0; | |
| 4332 | |
|
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4333 /* |
|
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4334 * If there are any pending vdev state changes, convert them |
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4335 * into config changes that go out with this transaction group. |
|
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4336 */ |
|
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4337 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
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4338 while (list_head(&spa->spa_state_dirty_list) != NULL) { |
|
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4339 /* |
|
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4340 * We need the write lock here because, for aux vdevs, |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4341 * calling vdev_config_dirty() modifies sav_config. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4342 * This is ugly and will become unnecessary when we |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4343 * eliminate the aux vdev wart by integrating all vdevs |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4344 * into the root vdev tree. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4345 */ |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4346 spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4347 spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_WRITER); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4348 while ((vd = list_head(&spa->spa_state_dirty_list)) != NULL) { |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4349 vdev_state_clean(vd); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4350 vdev_config_dirty(vd); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4351 } |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4352 spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4353 spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_READER); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4354 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4355 spa_config_exit(spa, SCL_STATE, FTAG); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4356 |
| 1544 | 4357 VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
| 789 | 4358 |
| 2082 | 4359 tx = dmu_tx_create_assigned(dp, txg); |
| 4360 | |
| 4361 /* | |
| 4577 | 4362 * If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
| 2082 | 4363 * set spa_deflate if we have no raid-z vdevs. |
| 4364 */ | |
| 4577 | 4365 if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
| 4366 spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2082 | 4367 int i; |
| 4368 | |
| 4369 for (i = 0; i < rvd->vdev_children; i++) { | |
| 4370 vd = rvd->vdev_child[i]; | |
| 4371 if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) | |
| 4372 break; | |
| 4373 } | |
| 4374 if (i == rvd->vdev_children) { | |
| 4375 spa->spa_deflate = TRUE; | |
| 4376 VERIFY(0 == zap_add(spa->spa_meta_objset, | |
| 4377 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 4378 sizeof (uint64_t), 1, &spa->spa_deflate, tx)); | |
| 4379 } | |
| 4380 } | |
| 4381 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4382 if (spa->spa_ubsync.ub_version < SPA_VERSION_ORIGIN && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4383 spa->spa_uberblock.ub_version >= SPA_VERSION_ORIGIN) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4384 dsl_pool_create_origin(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4385 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4386 /* Keeping the origin open increases spa_minref */ |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4387 spa->spa_minref += 3; |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4388 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4389 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4390 if (spa->spa_ubsync.ub_version < SPA_VERSION_NEXT_CLONES && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4391 spa->spa_uberblock.ub_version >= SPA_VERSION_NEXT_CLONES) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4392 dsl_pool_upgrade_clones(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4393 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4394 |
| 789 | 4395 /* |
| 4396 * If anything has changed in this txg, push the deferred frees | |
| 4397 * from the previous txg. If not, leave them alone so that we | |
| 4398 * don't generate work on an otherwise idle system. | |
| 4399 */ | |
| 4400 if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || | |
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4401 !txg_list_empty(&dp->dp_dirty_dirs, txg) || |
|
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4402 !txg_list_empty(&dp->dp_sync_tasks, txg)) |
| 789 | 4403 spa_sync_deferred_frees(spa, txg); |
| 4404 | |
| 4405 /* | |
| 4406 * Iterate to convergence. | |
| 4407 */ | |
| 4408 do { | |
| 4409 spa->spa_sync_pass++; | |
| 4410 | |
| 4411 spa_sync_config_object(spa, tx); | |
| 5450 | 4412 spa_sync_aux_dev(spa, &spa->spa_spares, tx, |
| 4413 ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); | |
| 4414 spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, | |
| 4415 ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); | |
| 1544 | 4416 spa_errlog_sync(spa, txg); |
| 789 | 4417 dsl_pool_sync(dp, txg); |
| 4418 | |
| 4419 dirty_vdevs = 0; | |
| 4420 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) { | |
| 4421 vdev_sync(vd, txg); | |
| 4422 dirty_vdevs++; | |
| 4423 } | |
| 4424 | |
| 4425 bplist_sync(bpl, tx); | |
| 4426 } while (dirty_vdevs); | |
| 4427 | |
| 4428 bplist_close(bpl); | |
| 4429 | |
| 4430 dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass); | |
| 4431 | |
| 4432 /* | |
| 4433 * Rewrite the vdev configuration (which includes the uberblock) | |
| 4434 * to commit the transaction group. | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4435 * |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4436 * If there are no dirty vdevs, we sync the uberblock to a few |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4437 * random top-level vdevs that are known to be visible in the |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4438 * config cache (see spa_vdev_add() for a complete description). |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4439 * If there *are* dirty vdevs, sync the uberblock to all vdevs. |
| 789 | 4440 */ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4441 for (;;) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4442 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4443 * We hold SCL_STATE to prevent vdev open/close/etc. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4444 * while we're attempting to write the vdev labels. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4445 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4446 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4447 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4448 if (list_is_empty(&spa->spa_config_dirty_list)) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4449 vdev_t *svd[SPA_DVAS_PER_BP]; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4450 int svdcount = 0; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4451 int children = rvd->vdev_children; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4452 int c0 = spa_get_random(children); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
4453 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
4454 for (int c = 0; c < children; c++) { |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4455 vd = rvd->vdev_child[(c0 + c) % children]; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4456 if (vd->vdev_ms_array == 0 || vd->vdev_islog) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4457 continue; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4458 svd[svdcount++] = vd; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4459 if (svdcount == SPA_DVAS_PER_BP) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4460 break; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4461 } |
|
9725
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4462 error = vdev_config_sync(svd, svdcount, txg, B_FALSE); |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4463 if (error != 0) |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4464 error = vdev_config_sync(svd, svdcount, txg, |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4465 B_TRUE); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4466 } else { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4467 error = vdev_config_sync(rvd->vdev_child, |
|
9725
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4468 rvd->vdev_children, txg, B_FALSE); |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4469 if (error != 0) |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4470 error = vdev_config_sync(rvd->vdev_child, |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4471 rvd->vdev_children, txg, B_TRUE); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4472 } |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4473 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4474 spa_config_exit(spa, SCL_STATE, FTAG); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4475 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4476 if (error == 0) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4477 break; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4478 zio_suspend(spa, NULL); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4479 zio_resume_wait(spa); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4480 } |
| 2082 | 4481 dmu_tx_commit(tx); |
| 4482 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4483 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4484 * Clear the dirty config list. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4485 */ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4486 while ((vd = list_head(&spa->spa_config_dirty_list)) != NULL) |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4487 vdev_config_clean(vd); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4488 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4489 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4490 * Now that the new config has synced transactionally, |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4491 * let it become visible to the config cache. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4492 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4493 if (spa->spa_config_syncing != NULL) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4494 spa_config_set(spa, spa->spa_config_syncing); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4495 spa->spa_config_txg = txg; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4496 spa->spa_config_syncing = NULL; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4497 } |
| 789 | 4498 |
| 4499 spa->spa_ubsync = spa->spa_uberblock; | |
| 4500 | |
| 4501 /* | |
| 4502 * Clean up the ZIL records for the synced txg. | |
| 4503 */ | |
| 4504 dsl_pool_zil_clean(dp); | |
| 4505 | |
| 4506 /* | |
| 4507 * Update usable space statistics. | |
| 4508 */ | |
| 4509 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) | |
| 4510 vdev_sync_done(vd, txg); | |
| 4511 | |
| 4512 /* | |
| 4513 * It had better be the case that we didn't dirty anything | |
| 2082 | 4514 * since vdev_config_sync(). |
| 789 | 4515 */ |
| 4516 ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); | |
| 4517 ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); | |
| 4518 ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); | |
| 4519 ASSERT(bpl->bpl_queue == NULL); | |
| 4520 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4521 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 1544 | 4522 |
| 4523 /* | |
| 4524 * If any async tasks have been requested, kick them off. | |
| 4525 */ | |
| 4526 spa_async_dispatch(spa); | |
| 789 | 4527 } |
| 4528 | |
| 4529 /* | |
| 4530 * Sync all pools. We don't want to hold the namespace lock across these | |
| 4531 * operations, so we take a reference on the spa_t and drop the lock during the | |
| 4532 * sync. | |
| 4533 */ | |
| 4534 void | |
| 4535 spa_sync_allpools(void) | |
| 4536 { | |
| 4537 spa_t *spa = NULL; | |
| 4538 mutex_enter(&spa_namespace_lock); | |
| 4539 while ((spa = spa_next(spa)) != NULL) { | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4540 if (spa_state(spa) != POOL_STATE_ACTIVE || spa_suspended(spa)) |
| 789 | 4541 continue; |
| 4542 spa_open_ref(spa, FTAG); | |
| 4543 mutex_exit(&spa_namespace_lock); | |
| 4544 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 4545 mutex_enter(&spa_namespace_lock); | |
| 4546 spa_close(spa, FTAG); | |
| 4547 } | |
| 4548 mutex_exit(&spa_namespace_lock); | |
| 4549 } | |
| 4550 | |
| 4551 /* | |
| 4552 * ========================================================================== | |
| 4553 * Miscellaneous routines | |
| 4554 * ========================================================================== | |
| 4555 */ | |
| 4556 | |
| 4557 /* | |
| 4558 * Remove all pools in the system. | |
| 4559 */ | |
| 4560 void | |
| 4561 spa_evict_all(void) | |
| 4562 { | |
| 4563 spa_t *spa; | |
| 4564 | |
| 4565 /* | |
| 4566 * Remove all cached state. All pools should be closed now, | |
| 4567 * so every spa in the AVL tree should be unreferenced. | |
| 4568 */ | |
| 4569 mutex_enter(&spa_namespace_lock); | |
| 4570 while ((spa = spa_next(NULL)) != NULL) { | |
| 4571 /* | |
| 1544 | 4572 * Stop async tasks. The async thread may need to detach |
| 4573 * a device that's been replaced, which requires grabbing | |
| 4574 * spa_namespace_lock, so we must drop it here. | |
| 789 | 4575 */ |
| 4576 spa_open_ref(spa, FTAG); | |
| 4577 mutex_exit(&spa_namespace_lock); | |
| 1544 | 4578 spa_async_suspend(spa); |
| 4808 | 4579 mutex_enter(&spa_namespace_lock); |
| 789 | 4580 spa_close(spa, FTAG); |
| 4581 | |
| 4582 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { | |
| 4583 spa_unload(spa); | |
| 4584 spa_deactivate(spa); | |
| 4585 } | |
| 4586 spa_remove(spa); | |
| 4587 } | |
| 4588 mutex_exit(&spa_namespace_lock); | |
| 4589 } | |
| 1544 | 4590 |
| 4591 vdev_t * | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4592 spa_lookup_by_guid(spa_t *spa, uint64_t guid, boolean_t aux) |
| 1544 | 4593 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4594 vdev_t *vd; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4595 int i; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4596 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4597 if ((vd = vdev_lookup_by_guid(spa->spa_root_vdev, guid)) != NULL) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4598 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4599 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4600 if (aux) { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4601 for (i = 0; i < spa->spa_l2cache.sav_count; i++) { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4602 vd = spa->spa_l2cache.sav_vdevs[i]; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4603 if (vd->vdev_guid == guid) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4604 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4605 } |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4606 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4607 for (i = 0; i < spa->spa_spares.sav_count; i++) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4608 vd = spa->spa_spares.sav_vdevs[i]; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4609 if (vd->vdev_guid == guid) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4610 return (vd); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4611 } |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4612 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4613 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4614 return (NULL); |
| 1544 | 4615 } |
| 1760 | 4616 |
| 4617 void | |
| 5094 | 4618 spa_upgrade(spa_t *spa, uint64_t version) |
| 1760 | 4619 { |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4620 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1760 | 4621 |
| 4622 /* | |
| 4623 * This should only be called for a non-faulted pool, and since a | |
| 4624 * future version would result in an unopenable pool, this shouldn't be | |
| 4625 * possible. | |
| 4626 */ | |
| 4577 | 4627 ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
| 5094 | 4628 ASSERT(version >= spa->spa_uberblock.ub_version); |
| 4629 | |
| 4630 spa->spa_uberblock.ub_version = version; | |
| 1760 | 4631 vdev_config_dirty(spa->spa_root_vdev); |
| 4632 | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4633 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 4634 |
| 4635 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 1760 | 4636 } |
| 2082 | 4637 |
| 4638 boolean_t | |
| 4639 spa_has_spare(spa_t *spa, uint64_t guid) | |
| 4640 { | |
| 4641 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4642 uint64_t spareguid; |
| 5450 | 4643 spa_aux_vdev_t *sav = &spa->spa_spares; |
| 4644 | |
| 4645 for (i = 0; i < sav->sav_count; i++) | |
| 4646 if (sav->sav_vdevs[i]->vdev_guid == guid) | |
| 2082 | 4647 return (B_TRUE); |
| 4648 | |
| 5450 | 4649 for (i = 0; i < sav->sav_npending; i++) { |
| 4650 if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, | |
| 4651 &spareguid) == 0 && spareguid == guid) | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4652 return (B_TRUE); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4653 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4654 |
| 2082 | 4655 return (B_FALSE); |
| 4656 } | |
| 3912 | 4657 |
| 4451 | 4658 /* |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4659 * Check if a pool has an active shared spare device. |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4660 * Note: reference count of an active spare is 2, as a spare and as a replace |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4661 */ |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4662 static boolean_t |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4663 spa_has_active_shared_spare(spa_t *spa) |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4664 { |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4665 int i, refcnt; |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4666 uint64_t pool; |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4667 spa_aux_vdev_t *sav = &spa->spa_spares; |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4668 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4669 for (i = 0; i < sav->sav_count; i++) { |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4670 if (spa_spare_exists(sav->sav_vdevs[i]->vdev_guid, &pool, |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4671 &refcnt) && pool != 0ULL && pool == spa_guid(spa) && |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4672 refcnt > 2) |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4673 return (B_TRUE); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4674 } |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4675 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4676 return (B_FALSE); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4677 } |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4678 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4679 /* |
| 4451 | 4680 * Post a sysevent corresponding to the given event. The 'name' must be one of |
| 4681 * the event definitions in sys/sysevent/eventdefs.h. The payload will be | |
| 4682 * filled in from the spa and (optionally) the vdev. This doesn't do anything | |
| 4683 * in the userland libzpool, as we don't want consumers to misinterpret ztest | |
| 4684 * or zdb as real changes. | |
| 4685 */ | |
| 4686 void | |
| 4687 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) | |
| 4688 { | |
| 4689 #ifdef _KERNEL | |
| 4690 sysevent_t *ev; | |
| 4691 sysevent_attr_list_t *attr = NULL; | |
| 4692 sysevent_value_t value; | |
| 4693 sysevent_id_t eid; | |
| 4694 | |
| 4695 ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", | |
| 4696 SE_SLEEP); | |
| 4697 | |
| 4698 value.value_type = SE_DATA_TYPE_STRING; | |
| 4699 value.value.sv_string = spa_name(spa); | |
| 4700 if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) | |
| 4701 goto done; | |
| 4702 | |
| 4703 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4704 value.value.sv_uint64 = spa_guid(spa); | |
| 4705 if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) | |
| 4706 goto done; | |
| 4707 | |
| 4708 if (vd) { | |
| 4709 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4710 value.value.sv_uint64 = vd->vdev_guid; | |
| 4711 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, | |
| 4712 SE_SLEEP) != 0) | |
| 4713 goto done; | |
| 4714 | |
| 4715 if (vd->vdev_path) { | |
| 4716 value.value_type = SE_DATA_TYPE_STRING; | |
| 4717 value.value.sv_string = vd->vdev_path; | |
| 4718 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, | |
| 4719 &value, SE_SLEEP) != 0) | |
| 4720 goto done; | |
| 4721 } | |
| 4722 } | |
| 4723 | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4724 if (sysevent_attach_attributes(ev, attr) != 0) |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4725 goto done; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4726 attr = NULL; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4727 |
| 4451 | 4728 (void) log_sysevent(ev, SE_SLEEP, &eid); |
| 4729 | |
| 4730 done: | |
| 4731 if (attr) | |
| 4732 sysevent_free_attr(attr); | |
| 4733 sysevent_free(ev); | |
| 4734 #endif | |
| 4735 } |