Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/spa.c @ 10000:241a51d8720c
6848242 zdb -e no longer works as expected
| author | Victor Latushkin <Victor.Latushkin@Sun.COM> |
|---|---|
| date | Tue, 30 Jun 2009 04:09:23 -0700 |
| parents | 86a051e72232 |
| children | 4a6965f6bef8 |
| 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> | |
| 45 #include <sys/uberblock_impl.h> | |
| 46 #include <sys/txg.h> | |
| 47 #include <sys/avl.h> | |
| 48 #include <sys/dmu_traverse.h> | |
| 3912 | 49 #include <sys/dmu_objset.h> |
| 789 | 50 #include <sys/unique.h> |
| 51 #include <sys/dsl_pool.h> | |
| 3912 | 52 #include <sys/dsl_dataset.h> |
| 789 | 53 #include <sys/dsl_dir.h> |
| 54 #include <sys/dsl_prop.h> | |
| 3912 | 55 #include <sys/dsl_synctask.h> |
| 789 | 56 #include <sys/fs/zfs.h> |
| 5450 | 57 #include <sys/arc.h> |
| 789 | 58 #include <sys/callb.h> |
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59 #include <sys/systeminfo.h> |
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60 #include <sys/sunddi.h> |
| 6423 | 61 #include <sys/spa_boot.h> |
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62 #include <sys/zfs_ioctl.h> |
| 789 | 63 |
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64 #ifdef _KERNEL |
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65 #include <sys/zone.h> |
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66 #endif /* _KERNEL */ |
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67 |
| 5094 | 68 #include "zfs_prop.h" |
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69 #include "zfs_comutil.h" |
| 5094 | 70 |
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71 enum zti_modes { |
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72 zti_mode_fixed, /* value is # of threads (min 1) */ |
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73 zti_mode_online_percent, /* value is % of online CPUs */ |
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74 zti_mode_tune, /* fill from zio_taskq_tune_* */ |
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75 zti_nmodes |
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76 }; |
| 2986 | 77 |
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78 #define ZTI_THREAD_FIX(n) { zti_mode_fixed, (n) } |
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79 #define ZTI_THREAD_PCT(n) { zti_mode_online_percent, (n) } |
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80 #define ZTI_THREAD_TUNE { zti_mode_tune, 0 } |
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81 |
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82 #define ZTI_THREAD_ONE ZTI_THREAD_FIX(1) |
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83 |
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84 typedef struct zio_taskq_info { |
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85 const char *zti_name; |
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86 struct { |
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87 enum zti_modes zti_mode; |
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88 uint_t zti_value; |
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89 } zti_nthreads[ZIO_TASKQ_TYPES]; |
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90 } zio_taskq_info_t; |
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91 |
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92 static const char *const zio_taskq_types[ZIO_TASKQ_TYPES] = { |
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93 "issue", "intr" |
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94 }; |
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95 |
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96 const zio_taskq_info_t zio_taskqs[ZIO_TYPES] = { |
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97 /* ISSUE INTR */ |
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98 { "spa_zio_null", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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99 { "spa_zio_read", { ZTI_THREAD_FIX(8), ZTI_THREAD_TUNE } }, |
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100 { "spa_zio_write", { ZTI_THREAD_TUNE, ZTI_THREAD_FIX(8) } }, |
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101 { "spa_zio_free", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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102 { "spa_zio_claim", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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103 { "spa_zio_ioctl", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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104 }; |
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105 |
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106 enum zti_modes zio_taskq_tune_mode = zti_mode_online_percent; |
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107 uint_t zio_taskq_tune_value = 80; /* #threads = 80% of # online CPUs */ |
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108 |
| 5094 | 109 static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
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110 static boolean_t spa_has_active_shared_spare(spa_t *spa); |
| 5094 | 111 |
| 112 /* | |
| 113 * ========================================================================== | |
| 114 * SPA properties routines | |
| 115 * ========================================================================== | |
| 116 */ | |
| 117 | |
| 118 /* | |
| 119 * Add a (source=src, propname=propval) list to an nvlist. | |
| 120 */ | |
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121 static void |
| 5094 | 122 spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, |
| 123 uint64_t intval, zprop_source_t src) | |
| 124 { | |
| 125 const char *propname = zpool_prop_to_name(prop); | |
| 126 nvlist_t *propval; | |
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127 |
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128 VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
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129 VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0); |
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130 |
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131 if (strval != NULL) |
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132 VERIFY(nvlist_add_string(propval, ZPROP_VALUE, strval) == 0); |
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133 else |
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134 VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, intval) == 0); |
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135 |
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136 VERIFY(nvlist_add_nvlist(nvl, propname, propval) == 0); |
| 5094 | 137 nvlist_free(propval); |
| 138 } | |
| 139 | |
| 140 /* | |
| 141 * Get property values from the spa configuration. | |
| 142 */ | |
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143 static void |
| 5094 | 144 spa_prop_get_config(spa_t *spa, nvlist_t **nvp) |
| 145 { | |
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146 uint64_t size; |
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147 uint64_t used; |
| 5094 | 148 uint64_t cap, version; |
| 149 zprop_source_t src = ZPROP_SRC_NONE; | |
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150 spa_config_dirent_t *dp; |
| 5094 | 151 |
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152 ASSERT(MUTEX_HELD(&spa->spa_props_lock)); |
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153 |
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154 if (spa->spa_root_vdev != NULL) { |
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155 size = spa_get_space(spa); |
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156 used = spa_get_alloc(spa); |
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157 spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src); |
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158 spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src); |
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159 spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src); |
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160 spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, |
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161 size - used, src); |
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162 |
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163 cap = (size == 0) ? 0 : (used * 100 / size); |
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164 spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src); |
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165 |
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166 spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, |
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167 spa->spa_root_vdev->vdev_state, src); |
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168 |
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169 version = spa_version(spa); |
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170 if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) |
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171 src = ZPROP_SRC_DEFAULT; |
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172 else |
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173 src = ZPROP_SRC_LOCAL; |
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174 spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src); |
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175 } |
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176 |
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177 spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src); |
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178 |
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179 if (spa->spa_root != NULL) |
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180 spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root, |
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181 0, ZPROP_SRC_LOCAL); |
| 5094 | 182 |
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183 if ((dp = list_head(&spa->spa_config_list)) != NULL) { |
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184 if (dp->scd_path == NULL) { |
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185 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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186 "none", 0, ZPROP_SRC_LOCAL); |
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187 } else if (strcmp(dp->scd_path, spa_config_path) != 0) { |
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188 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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189 dp->scd_path, 0, ZPROP_SRC_LOCAL); |
| 5363 | 190 } |
| 191 } | |
| 5094 | 192 } |
| 193 | |
| 194 /* | |
| 195 * Get zpool property values. | |
| 196 */ | |
| 197 int | |
| 198 spa_prop_get(spa_t *spa, nvlist_t **nvp) | |
| 199 { | |
| 200 zap_cursor_t zc; | |
| 201 zap_attribute_t za; | |
| 202 objset_t *mos = spa->spa_meta_objset; | |
| 203 int err; | |
| 204 | |
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205 VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5094 | 206 |
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207 mutex_enter(&spa->spa_props_lock); |
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208 |
| 5094 | 209 /* |
| 210 * Get properties from the spa config. | |
| 211 */ | |
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212 spa_prop_get_config(spa, nvp); |
| 5094 | 213 |
| 214 /* If no pool property object, no more prop to get. */ | |
| 215 if (spa->spa_pool_props_object == 0) { | |
| 216 mutex_exit(&spa->spa_props_lock); | |
| 217 return (0); | |
| 218 } | |
| 219 | |
| 220 /* | |
| 221 * Get properties from the MOS pool property object. | |
| 222 */ | |
| 223 for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); | |
| 224 (err = zap_cursor_retrieve(&zc, &za)) == 0; | |
| 225 zap_cursor_advance(&zc)) { | |
| 226 uint64_t intval = 0; | |
| 227 char *strval = NULL; | |
| 228 zprop_source_t src = ZPROP_SRC_DEFAULT; | |
| 229 zpool_prop_t prop; | |
| 230 | |
| 231 if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) | |
| 232 continue; | |
| 233 | |
| 234 switch (za.za_integer_length) { | |
| 235 case 8: | |
| 236 /* integer property */ | |
| 237 if (za.za_first_integer != | |
| 238 zpool_prop_default_numeric(prop)) | |
| 239 src = ZPROP_SRC_LOCAL; | |
| 240 | |
| 241 if (prop == ZPOOL_PROP_BOOTFS) { | |
| 242 dsl_pool_t *dp; | |
| 243 dsl_dataset_t *ds = NULL; | |
| 244 | |
| 245 dp = spa_get_dsl(spa); | |
| 246 rw_enter(&dp->dp_config_rwlock, RW_READER); | |
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247 if (err = dsl_dataset_hold_obj(dp, |
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248 za.za_first_integer, FTAG, &ds)) { |
| 5094 | 249 rw_exit(&dp->dp_config_rwlock); |
| 250 break; | |
| 251 } | |
| 252 | |
| 253 strval = kmem_alloc( | |
| 254 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, | |
| 255 KM_SLEEP); | |
| 256 dsl_dataset_name(ds, strval); | |
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257 dsl_dataset_rele(ds, FTAG); |
| 5094 | 258 rw_exit(&dp->dp_config_rwlock); |
| 259 } else { | |
| 260 strval = NULL; | |
| 261 intval = za.za_first_integer; | |
| 262 } | |
| 263 | |
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264 spa_prop_add_list(*nvp, prop, strval, intval, src); |
| 5094 | 265 |
| 266 if (strval != NULL) | |
| 267 kmem_free(strval, | |
| 268 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); | |
| 269 | |
| 270 break; | |
| 271 | |
| 272 case 1: | |
| 273 /* string property */ | |
| 274 strval = kmem_alloc(za.za_num_integers, KM_SLEEP); | |
| 275 err = zap_lookup(mos, spa->spa_pool_props_object, | |
| 276 za.za_name, 1, za.za_num_integers, strval); | |
| 277 if (err) { | |
| 278 kmem_free(strval, za.za_num_integers); | |
| 279 break; | |
| 280 } | |
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281 spa_prop_add_list(*nvp, prop, strval, 0, src); |
| 5094 | 282 kmem_free(strval, za.za_num_integers); |
| 283 break; | |
| 284 | |
| 285 default: | |
| 286 break; | |
| 287 } | |
| 288 } | |
| 289 zap_cursor_fini(&zc); | |
| 290 mutex_exit(&spa->spa_props_lock); | |
| 291 out: | |
| 292 if (err && err != ENOENT) { | |
| 293 nvlist_free(*nvp); | |
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294 *nvp = NULL; |
| 5094 | 295 return (err); |
| 296 } | |
| 297 | |
| 298 return (0); | |
| 299 } | |
| 300 | |
| 301 /* | |
| 302 * Validate the given pool properties nvlist and modify the list | |
| 303 * for the property values to be set. | |
| 304 */ | |
| 305 static int | |
| 306 spa_prop_validate(spa_t *spa, nvlist_t *props) | |
| 307 { | |
| 308 nvpair_t *elem; | |
| 309 int error = 0, reset_bootfs = 0; | |
| 310 uint64_t objnum; | |
| 311 | |
| 312 elem = NULL; | |
| 313 while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
| 314 zpool_prop_t prop; | |
| 315 char *propname, *strval; | |
| 316 uint64_t intval; | |
| 317 objset_t *os; | |
| 5363 | 318 char *slash; |
| 5094 | 319 |
| 320 propname = nvpair_name(elem); | |
| 321 | |
| 322 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) | |
| 323 return (EINVAL); | |
| 324 | |
| 325 switch (prop) { | |
| 326 case ZPOOL_PROP_VERSION: | |
| 327 error = nvpair_value_uint64(elem, &intval); | |
| 328 if (!error && | |
| 329 (intval < spa_version(spa) || intval > SPA_VERSION)) | |
| 330 error = EINVAL; | |
| 331 break; | |
| 332 | |
| 333 case ZPOOL_PROP_DELEGATION: | |
| 334 case ZPOOL_PROP_AUTOREPLACE: | |
|
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335 case ZPOOL_PROP_LISTSNAPS: |
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336 case ZPOOL_PROP_AUTOEXPAND: |
| 5094 | 337 error = nvpair_value_uint64(elem, &intval); |
| 338 if (!error && intval > 1) | |
| 339 error = EINVAL; | |
| 340 break; | |
| 341 | |
| 342 case ZPOOL_PROP_BOOTFS: | |
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343 /* |
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344 * If the pool version is less than SPA_VERSION_BOOTFS, |
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345 * or the pool is still being created (version == 0), |
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346 * the bootfs property cannot be set. |
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347 */ |
| 5094 | 348 if (spa_version(spa) < SPA_VERSION_BOOTFS) { |
| 349 error = ENOTSUP; | |
| 350 break; | |
| 351 } | |
| 352 | |
| 353 /* | |
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354 * Make sure the vdev config is bootable |
| 5094 | 355 */ |
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356 if (!vdev_is_bootable(spa->spa_root_vdev)) { |
| 5094 | 357 error = ENOTSUP; |
| 358 break; | |
| 359 } | |
| 360 | |
| 361 reset_bootfs = 1; | |
| 362 | |
| 363 error = nvpair_value_string(elem, &strval); | |
| 364 | |
| 365 if (!error) { | |
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366 uint64_t compress; |
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367 |
| 5094 | 368 if (strval == NULL || strval[0] == '\0') { |
| 369 objnum = zpool_prop_default_numeric( | |
| 370 ZPOOL_PROP_BOOTFS); | |
| 371 break; | |
| 372 } | |
| 373 | |
| 374 if (error = dmu_objset_open(strval, DMU_OST_ZFS, | |
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375 DS_MODE_USER | DS_MODE_READONLY, &os)) |
| 5094 | 376 break; |
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377 |
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378 /* We don't support gzip bootable datasets */ |
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379 if ((error = dsl_prop_get_integer(strval, |
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380 zfs_prop_to_name(ZFS_PROP_COMPRESSION), |
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381 &compress, NULL)) == 0 && |
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382 !BOOTFS_COMPRESS_VALID(compress)) { |
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383 error = ENOTSUP; |
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384 } else { |
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385 objnum = dmu_objset_id(os); |
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386 } |
| 5094 | 387 dmu_objset_close(os); |
| 388 } | |
| 389 break; | |
|
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390 |
| 5329 | 391 case ZPOOL_PROP_FAILUREMODE: |
| 392 error = nvpair_value_uint64(elem, &intval); | |
| 393 if (!error && (intval < ZIO_FAILURE_MODE_WAIT || | |
| 394 intval > ZIO_FAILURE_MODE_PANIC)) | |
| 395 error = EINVAL; | |
| 396 | |
| 397 /* | |
| 398 * This is a special case which only occurs when | |
| 399 * the pool has completely failed. This allows | |
| 400 * the user to change the in-core failmode property | |
| 401 * without syncing it out to disk (I/Os might | |
| 402 * currently be blocked). We do this by returning | |
| 403 * EIO to the caller (spa_prop_set) to trick it | |
| 404 * into thinking we encountered a property validation | |
| 405 * error. | |
| 406 */ | |
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407 if (!error && spa_suspended(spa)) { |
| 5329 | 408 spa->spa_failmode = intval; |
| 409 error = EIO; | |
| 410 } | |
| 411 break; | |
| 5363 | 412 |
| 413 case ZPOOL_PROP_CACHEFILE: | |
| 414 if ((error = nvpair_value_string(elem, &strval)) != 0) | |
| 415 break; | |
| 416 | |
| 417 if (strval[0] == '\0') | |
| 418 break; | |
| 419 | |
| 420 if (strcmp(strval, "none") == 0) | |
| 421 break; | |
| 422 | |
| 423 if (strval[0] != '/') { | |
| 424 error = EINVAL; | |
| 425 break; | |
| 426 } | |
| 427 | |
| 428 slash = strrchr(strval, '/'); | |
| 429 ASSERT(slash != NULL); | |
| 430 | |
| 431 if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
| 432 strcmp(slash, "/..") == 0) | |
| 433 error = EINVAL; | |
| 434 break; | |
| 5094 | 435 } |
| 436 | |
| 437 if (error) | |
| 438 break; | |
| 439 } | |
| 440 | |
| 441 if (!error && reset_bootfs) { | |
| 442 error = nvlist_remove(props, | |
| 443 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); | |
| 444 | |
| 445 if (!error) { | |
| 446 error = nvlist_add_uint64(props, | |
| 447 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); | |
| 448 } | |
| 449 } | |
| 450 | |
| 451 return (error); | |
| 452 } | |
| 453 | |
|
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454 void |
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455 spa_configfile_set(spa_t *spa, nvlist_t *nvp, boolean_t need_sync) |
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456 { |
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457 char *cachefile; |
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458 spa_config_dirent_t *dp; |
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459 |
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460 if (nvlist_lookup_string(nvp, zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), |
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461 &cachefile) != 0) |
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462 return; |
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463 |
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464 dp = kmem_alloc(sizeof (spa_config_dirent_t), |
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465 KM_SLEEP); |
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466 |
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467 if (cachefile[0] == '\0') |
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468 dp->scd_path = spa_strdup(spa_config_path); |
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469 else if (strcmp(cachefile, "none") == 0) |
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470 dp->scd_path = NULL; |
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471 else |
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472 dp->scd_path = spa_strdup(cachefile); |
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473 |
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474 list_insert_head(&spa->spa_config_list, dp); |
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475 if (need_sync) |
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476 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
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477 } |
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478 |
| 5094 | 479 int |
| 480 spa_prop_set(spa_t *spa, nvlist_t *nvp) | |
| 481 { | |
| 482 int error; | |
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483 nvpair_t *elem; |
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484 boolean_t need_sync = B_FALSE; |
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485 zpool_prop_t prop; |
| 5094 | 486 |
| 487 if ((error = spa_prop_validate(spa, nvp)) != 0) | |
| 488 return (error); | |
| 489 | |
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490 elem = NULL; |
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491 while ((elem = nvlist_next_nvpair(nvp, elem)) != NULL) { |
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492 if ((prop = zpool_name_to_prop( |
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493 nvpair_name(elem))) == ZPROP_INVAL) |
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494 return (EINVAL); |
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495 |
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496 if (prop == ZPOOL_PROP_CACHEFILE || prop == ZPOOL_PROP_ALTROOT) |
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497 continue; |
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498 |
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499 need_sync = B_TRUE; |
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500 break; |
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501 } |
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502 |
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503 if (need_sync) |
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504 return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, |
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505 spa, nvp, 3)); |
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506 else |
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507 return (0); |
| 5094 | 508 } |
| 509 | |
| 510 /* | |
| 511 * If the bootfs property value is dsobj, clear it. | |
| 512 */ | |
| 513 void | |
| 514 spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) | |
| 515 { | |
| 516 if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { | |
| 517 VERIFY(zap_remove(spa->spa_meta_objset, | |
| 518 spa->spa_pool_props_object, | |
| 519 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); | |
| 520 spa->spa_bootfs = 0; | |
| 521 } | |
| 522 } | |
| 523 | |
| 789 | 524 /* |
| 525 * ========================================================================== | |
| 526 * SPA state manipulation (open/create/destroy/import/export) | |
| 527 * ========================================================================== | |
| 528 */ | |
| 529 | |
| 1544 | 530 static int |
| 531 spa_error_entry_compare(const void *a, const void *b) | |
| 532 { | |
| 533 spa_error_entry_t *sa = (spa_error_entry_t *)a; | |
| 534 spa_error_entry_t *sb = (spa_error_entry_t *)b; | |
| 535 int ret; | |
| 536 | |
| 537 ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, | |
| 538 sizeof (zbookmark_t)); | |
| 539 | |
| 540 if (ret < 0) | |
| 541 return (-1); | |
| 542 else if (ret > 0) | |
| 543 return (1); | |
| 544 else | |
| 545 return (0); | |
| 546 } | |
| 547 | |
| 548 /* | |
| 549 * Utility function which retrieves copies of the current logs and | |
| 550 * re-initializes them in the process. | |
| 551 */ | |
| 552 void | |
| 553 spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) | |
| 554 { | |
| 555 ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); | |
| 556 | |
| 557 bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); | |
| 558 bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); | |
| 559 | |
| 560 avl_create(&spa->spa_errlist_scrub, | |
| 561 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 562 offsetof(spa_error_entry_t, se_avl)); | |
| 563 avl_create(&spa->spa_errlist_last, | |
| 564 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 565 offsetof(spa_error_entry_t, se_avl)); | |
| 566 } | |
| 567 | |
| 789 | 568 /* |
| 569 * Activate an uninitialized pool. | |
| 570 */ | |
| 571 static void | |
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572 spa_activate(spa_t *spa, int mode) |
| 789 | 573 { |
| 574 ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); | |
| 575 | |
| 576 spa->spa_state = POOL_STATE_ACTIVE; | |
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577 spa->spa_mode = mode; |
| 789 | 578 |
|
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579 spa->spa_normal_class = metaslab_class_create(zfs_metaslab_ops); |
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580 spa->spa_log_class = metaslab_class_create(zfs_metaslab_ops); |
| 789 | 581 |
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582 for (int t = 0; t < ZIO_TYPES; t++) { |
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583 const zio_taskq_info_t *ztip = &zio_taskqs[t]; |
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584 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
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585 enum zti_modes mode = ztip->zti_nthreads[q].zti_mode; |
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586 uint_t value = ztip->zti_nthreads[q].zti_value; |
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587 char name[32]; |
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588 |
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589 (void) snprintf(name, sizeof (name), |
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590 "%s_%s", ztip->zti_name, zio_taskq_types[q]); |
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591 |
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592 if (mode == zti_mode_tune) { |
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593 mode = zio_taskq_tune_mode; |
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594 value = zio_taskq_tune_value; |
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595 if (mode == zti_mode_tune) |
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596 mode = zti_mode_online_percent; |
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597 } |
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598 |
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599 switch (mode) { |
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600 case zti_mode_fixed: |
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601 ASSERT3U(value, >=, 1); |
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602 value = MAX(value, 1); |
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603 |
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604 spa->spa_zio_taskq[t][q] = taskq_create(name, |
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605 value, maxclsyspri, 50, INT_MAX, |
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606 TASKQ_PREPOPULATE); |
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607 break; |
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608 |
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609 case zti_mode_online_percent: |
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610 spa->spa_zio_taskq[t][q] = taskq_create(name, |
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611 value, maxclsyspri, 50, INT_MAX, |
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612 TASKQ_PREPOPULATE | TASKQ_THREADS_CPU_PCT); |
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613 break; |
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614 |
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615 case zti_mode_tune: |
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616 default: |
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617 panic("unrecognized mode for " |
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618 "zio_taskqs[%u]->zti_nthreads[%u] (%u:%u) " |
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619 "in spa_activate()", |
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620 t, q, mode, value); |
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621 break; |
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622 } |
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623 } |
| 789 | 624 } |
| 625 | |
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626 list_create(&spa->spa_config_dirty_list, sizeof (vdev_t), |
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627 offsetof(vdev_t, vdev_config_dirty_node)); |
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628 list_create(&spa->spa_state_dirty_list, sizeof (vdev_t), |
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629 offsetof(vdev_t, vdev_state_dirty_node)); |
| 789 | 630 |
| 631 txg_list_create(&spa->spa_vdev_txg_list, | |
| 632 offsetof(struct vdev, vdev_txg_node)); | |
| 1544 | 633 |
| 634 avl_create(&spa->spa_errlist_scrub, | |
| 635 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 636 offsetof(spa_error_entry_t, se_avl)); | |
| 637 avl_create(&spa->spa_errlist_last, | |
| 638 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 639 offsetof(spa_error_entry_t, se_avl)); | |
| 789 | 640 } |
| 641 | |
| 642 /* | |
| 643 * Opposite of spa_activate(). | |
| 644 */ | |
| 645 static void | |
| 646 spa_deactivate(spa_t *spa) | |
| 647 { | |
| 648 ASSERT(spa->spa_sync_on == B_FALSE); | |
| 649 ASSERT(spa->spa_dsl_pool == NULL); | |
| 650 ASSERT(spa->spa_root_vdev == NULL); | |
|
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651 ASSERT(spa->spa_async_zio_root == NULL); |
| 789 | 652 ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); |
| 653 | |
| 654 txg_list_destroy(&spa->spa_vdev_txg_list); | |
| 655 | |
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656 list_destroy(&spa->spa_config_dirty_list); |
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657 list_destroy(&spa->spa_state_dirty_list); |
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658 |
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659 for (int t = 0; t < ZIO_TYPES; t++) { |
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660 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
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661 taskq_destroy(spa->spa_zio_taskq[t][q]); |
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662 spa->spa_zio_taskq[t][q] = NULL; |
|
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663 } |
| 789 | 664 } |
| 665 | |
| 666 metaslab_class_destroy(spa->spa_normal_class); | |
| 667 spa->spa_normal_class = NULL; | |
| 668 | |
| 4527 | 669 metaslab_class_destroy(spa->spa_log_class); |
| 670 spa->spa_log_class = NULL; | |
| 671 | |
| 1544 | 672 /* |
| 673 * If this was part of an import or the open otherwise failed, we may | |
| 674 * still have errors left in the queues. Empty them just in case. | |
| 675 */ | |
| 676 spa_errlog_drain(spa); | |
| 677 | |
| 678 avl_destroy(&spa->spa_errlist_scrub); | |
| 679 avl_destroy(&spa->spa_errlist_last); | |
| 680 | |
| 789 | 681 spa->spa_state = POOL_STATE_UNINITIALIZED; |
| 682 } | |
| 683 | |
| 684 /* | |
| 685 * Verify a pool configuration, and construct the vdev tree appropriately. This | |
| 686 * will create all the necessary vdevs in the appropriate layout, with each vdev | |
| 687 * in the CLOSED state. This will prep the pool before open/creation/import. | |
| 688 * All vdev validation is done by the vdev_alloc() routine. | |
| 689 */ | |
| 2082 | 690 static int |
| 691 spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, | |
| 692 uint_t id, int atype) | |
| 789 | 693 { |
| 694 nvlist_t **child; | |
|
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695 uint_t children; |
| 2082 | 696 int error; |
| 697 | |
| 698 if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) | |
| 699 return (error); | |
| 700 | |
| 701 if ((*vdp)->vdev_ops->vdev_op_leaf) | |
| 702 return (0); | |
| 789 | 703 |
|
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704 error = nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, |
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705 &child, &children); |
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706 |
|
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707 if (error == ENOENT) |
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708 return (0); |
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709 |
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710 if (error) { |
| 2082 | 711 vdev_free(*vdp); |
| 712 *vdp = NULL; | |
| 713 return (EINVAL); | |
| 789 | 714 } |
| 715 | |
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716 for (int c = 0; c < children; c++) { |
| 2082 | 717 vdev_t *vd; |
| 718 if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, | |
| 719 atype)) != 0) { | |
| 720 vdev_free(*vdp); | |
| 721 *vdp = NULL; | |
| 722 return (error); | |
| 789 | 723 } |
| 724 } | |
| 725 | |
| 2082 | 726 ASSERT(*vdp != NULL); |
| 727 | |
| 728 return (0); | |
| 789 | 729 } |
| 730 | |
| 731 /* | |
| 732 * Opposite of spa_load(). | |
| 733 */ | |
| 734 static void | |
| 735 spa_unload(spa_t *spa) | |
| 736 { | |
| 2082 | 737 int i; |
| 738 | |
|
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739 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
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740 |
| 789 | 741 /* |
| 1544 | 742 * Stop async tasks. |
| 743 */ | |
| 744 spa_async_suspend(spa); | |
| 745 | |
| 746 /* | |
| 789 | 747 * Stop syncing. |
| 748 */ | |
| 749 if (spa->spa_sync_on) { | |
| 750 txg_sync_stop(spa->spa_dsl_pool); | |
| 751 spa->spa_sync_on = B_FALSE; | |
| 752 } | |
| 753 | |
| 754 /* | |
|
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755 * Wait for any outstanding async I/O to complete. |
| 789 | 756 */ |
|
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757 if (spa->spa_async_zio_root != NULL) { |
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758 (void) zio_wait(spa->spa_async_zio_root); |
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759 spa->spa_async_zio_root = NULL; |
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760 } |
| 789 | 761 |
| 762 /* | |
| 763 * Close the dsl pool. | |
| 764 */ | |
| 765 if (spa->spa_dsl_pool) { | |
| 766 dsl_pool_close(spa->spa_dsl_pool); | |
| 767 spa->spa_dsl_pool = NULL; | |
| 768 } | |
| 769 | |
|
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770 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
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771 |
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772 /* |
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773 * Drop and purge level 2 cache |
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774 */ |
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775 spa_l2cache_drop(spa); |
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776 |
| 789 | 777 /* |
| 778 * Close all vdevs. | |
| 779 */ | |
|
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780 if (spa->spa_root_vdev) |
| 789 | 781 vdev_free(spa->spa_root_vdev); |
|
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782 ASSERT(spa->spa_root_vdev == NULL); |
| 1544 | 783 |
| 5450 | 784 for (i = 0; i < spa->spa_spares.sav_count; i++) |
| 785 vdev_free(spa->spa_spares.sav_vdevs[i]); | |
| 786 if (spa->spa_spares.sav_vdevs) { | |
| 787 kmem_free(spa->spa_spares.sav_vdevs, | |
| 788 spa->spa_spares.sav_count * sizeof (void *)); | |
| 789 spa->spa_spares.sav_vdevs = NULL; | |
| 790 } | |
| 791 if (spa->spa_spares.sav_config) { | |
| 792 nvlist_free(spa->spa_spares.sav_config); | |
| 793 spa->spa_spares.sav_config = NULL; | |
| 2082 | 794 } |
|
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795 spa->spa_spares.sav_count = 0; |
| 5450 | 796 |
| 797 for (i = 0; i < spa->spa_l2cache.sav_count; i++) | |
| 798 vdev_free(spa->spa_l2cache.sav_vdevs[i]); | |
| 799 if (spa->spa_l2cache.sav_vdevs) { | |
| 800 kmem_free(spa->spa_l2cache.sav_vdevs, | |
| 801 spa->spa_l2cache.sav_count * sizeof (void *)); | |
| 802 spa->spa_l2cache.sav_vdevs = NULL; | |
| 803 } | |
| 804 if (spa->spa_l2cache.sav_config) { | |
| 805 nvlist_free(spa->spa_l2cache.sav_config); | |
| 806 spa->spa_l2cache.sav_config = NULL; | |
| 2082 | 807 } |
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808 spa->spa_l2cache.sav_count = 0; |
| 2082 | 809 |
| 1544 | 810 spa->spa_async_suspended = 0; |
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811 |
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812 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 813 } |
| 814 | |
| 815 /* | |
| 2082 | 816 * Load (or re-load) the current list of vdevs describing the active spares for |
| 817 * this pool. When this is called, we have some form of basic information in | |
| 5450 | 818 * 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and |
| 819 * then re-generate a more complete list including status information. | |
| 2082 | 820 */ |
| 821 static void | |
| 822 spa_load_spares(spa_t *spa) | |
| 823 { | |
| 824 nvlist_t **spares; | |
| 825 uint_t nspares; | |
| 826 int i; | |
|
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827 vdev_t *vd, *tvd; |
| 2082 | 828 |
|
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829 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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830 |
| 2082 | 831 /* |
| 832 * First, close and free any existing spare vdevs. | |
| 833 */ | |
| 5450 | 834 for (i = 0; i < spa->spa_spares.sav_count; i++) { |
| 835 vd = spa->spa_spares.sav_vdevs[i]; | |
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836 |
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837 /* Undo the call to spa_activate() below */ |
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838 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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839 B_FALSE)) != NULL && tvd->vdev_isspare) |
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840 spa_spare_remove(tvd); |
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841 vdev_close(vd); |
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842 vdev_free(vd); |
| 2082 | 843 } |
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844 |
| 5450 | 845 if (spa->spa_spares.sav_vdevs) |
| 846 kmem_free(spa->spa_spares.sav_vdevs, | |
| 847 spa->spa_spares.sav_count * sizeof (void *)); | |
| 848 | |
| 849 if (spa->spa_spares.sav_config == NULL) | |
| 2082 | 850 nspares = 0; |
| 851 else | |
| 5450 | 852 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 853 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 854 | |
| 5450 | 855 spa->spa_spares.sav_count = (int)nspares; |
| 856 spa->spa_spares.sav_vdevs = NULL; | |
| 2082 | 857 |
| 858 if (nspares == 0) | |
| 859 return; | |
| 860 | |
| 861 /* | |
| 862 * Construct the array of vdevs, opening them to get status in the | |
|
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863 * process. For each spare, there is potentially two different vdev_t |
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864 * structures associated with it: one in the list of spares (used only |
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865 * for basic validation purposes) and one in the active vdev |
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866 * configuration (if it's spared in). During this phase we open and |
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867 * validate each vdev on the spare list. If the vdev also exists in the |
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868 * active configuration, then we also mark this vdev as an active spare. |
| 2082 | 869 */ |
| 5450 | 870 spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *), |
| 871 KM_SLEEP); | |
| 872 for (i = 0; i < spa->spa_spares.sav_count; i++) { | |
| 2082 | 873 VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
| 874 VDEV_ALLOC_SPARE) == 0); | |
| 875 ASSERT(vd != NULL); | |
| 876 | |
| 5450 | 877 spa->spa_spares.sav_vdevs[i] = vd; |
| 2082 | 878 |
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879 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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880 B_FALSE)) != NULL) { |
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881 if (!tvd->vdev_isspare) |
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882 spa_spare_add(tvd); |
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883 |
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884 /* |
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885 * We only mark the spare active if we were successfully |
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886 * able to load the vdev. Otherwise, importing a pool |
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887 * with a bad active spare would result in strange |
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888 * behavior, because multiple pool would think the spare |
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889 * is actively in use. |
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890 * |
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891 * There is a vulnerability here to an equally bizarre |
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892 * circumstance, where a dead active spare is later |
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893 * brought back to life (onlined or otherwise). Given |
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894 * the rarity of this scenario, and the extra complexity |
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895 * it adds, we ignore the possibility. |
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896 */ |
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897 if (!vdev_is_dead(tvd)) |
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898 spa_spare_activate(tvd); |
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899 } |
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900 |
|
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901 vd->vdev_top = vd; |
|
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902 vd->vdev_aux = &spa->spa_spares; |
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903 |
| 2082 | 904 if (vdev_open(vd) != 0) |
| 905 continue; | |
| 906 | |
| 5450 | 907 if (vdev_validate_aux(vd) == 0) |
| 908 spa_spare_add(vd); | |
| 2082 | 909 } |
| 910 | |
| 911 /* | |
| 912 * Recompute the stashed list of spares, with status information | |
| 913 * this time. | |
| 914 */ | |
| 5450 | 915 VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 916 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 917 | |
| 5450 | 918 spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), |
| 919 KM_SLEEP); | |
| 920 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 921 spares[i] = vdev_config_generate(spa, | |
| 922 spa->spa_spares.sav_vdevs[i], B_TRUE, B_TRUE, B_FALSE); | |
| 923 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, | |
| 924 ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); | |
| 925 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 2082 | 926 nvlist_free(spares[i]); |
| 5450 | 927 kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); |
| 928 } | |
| 929 | |
| 930 /* | |
| 931 * Load (or re-load) the current list of vdevs describing the active l2cache for | |
| 932 * this pool. When this is called, we have some form of basic information in | |
| 933 * 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and | |
| 934 * then re-generate a more complete list including status information. | |
| 935 * Devices which are already active have their details maintained, and are | |
| 936 * not re-opened. | |
| 937 */ | |
| 938 static void | |
| 939 spa_load_l2cache(spa_t *spa) | |
| 940 { | |
| 941 nvlist_t **l2cache; | |
| 942 uint_t nl2cache; | |
| 943 int i, j, oldnvdevs; | |
|
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944 uint64_t guid; |
| 5450 | 945 vdev_t *vd, **oldvdevs, **newvdevs; |
| 946 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 947 | |
|
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948 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
|
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949 |
| 5450 | 950 if (sav->sav_config != NULL) { |
| 951 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, | |
| 952 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 953 newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); | |
| 954 } else { | |
| 955 nl2cache = 0; | |
| 956 } | |
| 957 | |
| 958 oldvdevs = sav->sav_vdevs; | |
| 959 oldnvdevs = sav->sav_count; | |
| 960 sav->sav_vdevs = NULL; | |
| 961 sav->sav_count = 0; | |
| 962 | |
| 963 /* | |
| 964 * Process new nvlist of vdevs. | |
| 965 */ | |
| 966 for (i = 0; i < nl2cache; i++) { | |
| 967 VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, | |
| 968 &guid) == 0); | |
| 969 | |
| 970 newvdevs[i] = NULL; | |
| 971 for (j = 0; j < oldnvdevs; j++) { | |
| 972 vd = oldvdevs[j]; | |
| 973 if (vd != NULL && guid == vd->vdev_guid) { | |
| 974 /* | |
| 975 * Retain previous vdev for add/remove ops. | |
| 976 */ | |
| 977 newvdevs[i] = vd; | |
| 978 oldvdevs[j] = NULL; | |
| 979 break; | |
| 980 } | |
| 981 } | |
| 982 | |
| 983 if (newvdevs[i] == NULL) { | |
| 984 /* | |
| 985 * Create new vdev | |
| 986 */ | |
| 987 VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, | |
| 988 VDEV_ALLOC_L2CACHE) == 0); | |
| 989 ASSERT(vd != NULL); | |
| 990 newvdevs[i] = vd; | |
| 991 | |
| 992 /* | |
| 993 * Commit this vdev as an l2cache device, | |
| 994 * even if it fails to open. | |
| 995 */ | |
| 996 spa_l2cache_add(vd); | |
| 997 | |
|
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998 vd->vdev_top = vd; |
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999 vd->vdev_aux = sav; |
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1000 |
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1001 spa_l2cache_activate(vd); |
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1002 |
| 5450 | 1003 if (vdev_open(vd) != 0) |
| 1004 continue; | |
| 1005 | |
| 1006 (void) vdev_validate_aux(vd); | |
| 1007 | |
|
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1008 if (!vdev_is_dead(vd)) |
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1009 l2arc_add_vdev(spa, vd); |
| 5450 | 1010 } |
| 1011 } | |
| 1012 | |
| 1013 /* | |
| 1014 * Purge vdevs that were dropped | |
| 1015 */ | |
| 1016 for (i = 0; i < oldnvdevs; i++) { | |
| 1017 uint64_t pool; | |
| 1018 | |
| 1019 vd = oldvdevs[i]; | |
| 1020 if (vd != NULL) { | |
|
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1021 if (spa_l2cache_exists(vd->vdev_guid, &pool) && |
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1022 pool != 0ULL && l2arc_vdev_present(vd)) |
| 5450 | 1023 l2arc_remove_vdev(vd); |
| 1024 (void) vdev_close(vd); | |
| 1025 spa_l2cache_remove(vd); | |
| 1026 } | |
| 1027 } | |
| 1028 | |
| 1029 if (oldvdevs) | |
| 1030 kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); | |
| 1031 | |
| 1032 if (sav->sav_config == NULL) | |
| 1033 goto out; | |
| 1034 | |
| 1035 sav->sav_vdevs = newvdevs; | |
| 1036 sav->sav_count = (int)nl2cache; | |
| 1037 | |
| 1038 /* | |
| 1039 * Recompute the stashed list of l2cache devices, with status | |
| 1040 * information this time. | |
| 1041 */ | |
| 1042 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 1043 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 1044 | |
| 1045 l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); | |
| 1046 for (i = 0; i < sav->sav_count; i++) | |
| 1047 l2cache[i] = vdev_config_generate(spa, | |
| 1048 sav->sav_vdevs[i], B_TRUE, B_FALSE, B_TRUE); | |
| 1049 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 1050 ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); | |
| 1051 out: | |
| 1052 for (i = 0; i < sav->sav_count; i++) | |
| 1053 nvlist_free(l2cache[i]); | |
| 1054 if (sav->sav_count) | |
| 1055 kmem_free(l2cache, sav->sav_count * sizeof (void *)); | |
| 2082 | 1056 } |
| 1057 | |
| 1058 static int | |
| 1059 load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) | |
| 1060 { | |
| 1061 dmu_buf_t *db; | |
| 1062 char *packed = NULL; | |
| 1063 size_t nvsize = 0; | |
| 1064 int error; | |
| 1065 *value = NULL; | |
| 1066 | |
| 1067 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 1068 nvsize = *(uint64_t *)db->db_data; | |
| 1069 dmu_buf_rele(db, FTAG); | |
| 1070 | |
| 1071 packed = kmem_alloc(nvsize, KM_SLEEP); | |
|
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1072 error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed, |
|
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1073 DMU_READ_PREFETCH); |
| 2082 | 1074 if (error == 0) |
| 1075 error = nvlist_unpack(packed, nvsize, value, 0); | |
| 1076 kmem_free(packed, nvsize); | |
| 1077 | |
| 1078 return (error); | |
| 1079 } | |
| 1080 | |
| 1081 /* | |
| 4451 | 1082 * Checks to see if the given vdev could not be opened, in which case we post a |
| 1083 * sysevent to notify the autoreplace code that the device has been removed. | |
| 1084 */ | |
| 1085 static void | |
| 1086 spa_check_removed(vdev_t *vd) | |
| 1087 { | |
|
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1088 for (int c = 0; c < vd->vdev_children; c++) |
| 4451 | 1089 spa_check_removed(vd->vdev_child[c]); |
| 1090 | |
| 1091 if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) { | |
| 1092 zfs_post_autoreplace(vd->vdev_spa, vd); | |
| 1093 spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); | |
| 1094 } | |
| 1095 } | |
| 1096 | |
| 1097 /* | |
|
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1098 * Load the slog device state from the config object since it's possible |
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1099 * that the label does not contain the most up-to-date information. |
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1100 */ |
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1101 void |
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1102 spa_load_log_state(spa_t *spa) |
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1103 { |
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1104 nvlist_t *nv, *nvroot, **child; |
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1105 uint64_t is_log; |
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1106 uint_t children; |
|
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1107 vdev_t *rvd = spa->spa_root_vdev; |
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1108 |
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1109 VERIFY(load_nvlist(spa, spa->spa_config_object, &nv) == 0); |
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1110 VERIFY(nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); |
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1111 VERIFY(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, |
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1112 &child, &children) == 0); |
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1113 |
|
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1114 for (int c = 0; c < children; c++) { |
|
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1115 vdev_t *tvd = rvd->vdev_child[c]; |
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1116 |
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1117 if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, |
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1118 &is_log) == 0 && is_log) |
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1119 vdev_load_log_state(tvd, child[c]); |
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1120 } |
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1121 nvlist_free(nv); |
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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 | |
| 1144 /* | |
| 789 | 1145 * Load an existing storage pool, using the pool's builtin spa_config as a |
| 1544 | 1146 * source of configuration information. |
| 789 | 1147 */ |
| 1148 static int | |
| 1544 | 1149 spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
| 789 | 1150 { |
| 1151 int error = 0; | |
| 1152 nvlist_t *nvroot = NULL; | |
| 1153 vdev_t *rvd; | |
| 1154 uberblock_t *ub = &spa->spa_uberblock; | |
|
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1155 uint64_t config_cache_txg = spa->spa_config_txg; |
| 789 | 1156 uint64_t pool_guid; |
| 2082 | 1157 uint64_t version; |
| 4451 | 1158 uint64_t autoreplace = 0; |
|
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1159 int orig_mode = spa->spa_mode; |
| 7294 | 1160 char *ereport = FM_EREPORT_ZFS_POOL; |
| 789 | 1161 |
|
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1162 /* |
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1163 * If this is an untrusted config, access the pool in read-only mode. |
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1164 * This prevents things like resilvering recently removed devices. |
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1165 */ |
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1166 if (!mosconfig) |
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1167 spa->spa_mode = FREAD; |
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1168 |
|
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1169 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
|
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1170 |
| 1544 | 1171 spa->spa_load_state = state; |
|
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1172 |
| 789 | 1173 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
| 1733 | 1174 nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) { |
| 1544 | 1175 error = EINVAL; |
| 1176 goto out; | |
| 1177 } | |
| 789 | 1178 |
| 2082 | 1179 /* |
| 1180 * Versioning wasn't explicitly added to the label until later, so if | |
| 1181 * it's not present treat it as the initial version. | |
| 1182 */ | |
| 1183 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) | |
| 4577 | 1184 version = SPA_VERSION_INITIAL; |
| 2082 | 1185 |
| 1733 | 1186 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
| 1187 &spa->spa_config_txg); | |
| 1188 | |
|
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1189 if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
| 1544 | 1190 spa_guid_exists(pool_guid, 0)) { |
| 1191 error = EEXIST; | |
| 1192 goto out; | |
| 1193 } | |
| 789 | 1194 |
|
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1195 spa->spa_load_guid = pool_guid; |
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1196 |
| 789 | 1197 /* |
|
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1198 * Create "The Godfather" zio to hold all async IOs |
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1199 */ |
|
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1200 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
|
1201 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
|
1202 |
|
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
George Wilson <George.Wilson@Sun.COM>
parents:
9230
diff
changeset
|
1203 /* |
| 2082 | 1204 * Parse the configuration into a vdev tree. We explicitly set the |
| 1205 * value that will be returned by spa_version() since parsing the | |
| 1206 * configuration requires knowing the version number. | |
| 789 | 1207 */ |
|
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
|
1208 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1209 spa->spa_ubsync.ub_version = version; |
| 1210 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
|
1211 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 1212 |
| 2082 | 1213 if (error != 0) |
| 1544 | 1214 goto out; |
| 789 | 1215 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1216 ASSERT(spa->spa_root_vdev == rvd); |
| 789 | 1217 ASSERT(spa_guid(spa) == pool_guid); |
| 1218 | |
| 1219 /* | |
| 1220 * Try to open all vdevs, loading each label in the process. | |
| 1221 */ | |
|
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
|
1222 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
|
1223 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
|
1224 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
|
1225 if (error != 0) |
| 1544 | 1226 goto out; |
| 789 | 1227 |
| 1228 /* | |
|
9276
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1229 * 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
|
1230 * 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
|
1231 * 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
|
1232 * 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
|
1233 * (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
|
1234 * 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
|
1235 * the vdev config. |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1236 */ |
|
9276
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1237 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
|
1238 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
|
1239 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
|
1240 if (error != 0) |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1241 goto out; |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1242 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1243 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
|
1244 error = ENXIO; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1245 goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1246 } |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1247 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1248 /* |
| 789 | 1249 * Find the best uberblock. |
| 1250 */ | |
|
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
|
1251 vdev_uberblock_load(NULL, rvd, ub); |
| 789 | 1252 |
| 1253 /* | |
| 1254 * If we weren't able to find a single valid uberblock, return failure. | |
| 1255 */ | |
| 1256 if (ub->ub_txg == 0) { | |
| 1760 | 1257 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1258 VDEV_AUX_CORRUPT_DATA); | |
| 1544 | 1259 error = ENXIO; |
| 1260 goto out; | |
| 1261 } | |
| 1262 | |
| 1263 /* | |
| 1264 * If the pool is newer than the code, we can't open it. | |
| 1265 */ | |
| 4577 | 1266 if (ub->ub_version > SPA_VERSION) { |
| 1760 | 1267 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1268 VDEV_AUX_VERSION_NEWER); | |
| 1544 | 1269 error = ENOTSUP; |
| 1270 goto out; | |
| 789 | 1271 } |
| 1272 | |
| 1273 /* | |
| 1274 * If the vdev guid sum doesn't match the uberblock, we have an | |
| 1275 * incomplete configuration. | |
| 1276 */ | |
| 1732 | 1277 if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) { |
| 1544 | 1278 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1279 VDEV_AUX_BAD_GUID_SUM); | |
| 1280 error = ENXIO; | |
| 1281 goto out; | |
| 789 | 1282 } |
| 1283 | |
| 1284 /* | |
| 1285 * Initialize internal SPA structures. | |
| 1286 */ | |
| 1287 spa->spa_state = POOL_STATE_ACTIVE; | |
| 1288 spa->spa_ubsync = spa->spa_uberblock; | |
| 1289 spa->spa_first_txg = spa_last_synced_txg(spa) + 1; | |
| 1544 | 1290 error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
| 1291 if (error) { | |
| 1292 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1293 VDEV_AUX_CORRUPT_DATA); | |
| 1294 goto out; | |
| 1295 } | |
| 789 | 1296 spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
| 1297 | |
| 1544 | 1298 if (zap_lookup(spa->spa_meta_objset, |
| 789 | 1299 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1300 sizeof (uint64_t), 1, &spa->spa_config_object) != 0) { |
| 1301 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1302 VDEV_AUX_CORRUPT_DATA); | |
| 1303 error = EIO; | |
| 1304 goto out; | |
| 1305 } | |
| 789 | 1306 |
| 1307 if (!mosconfig) { | |
| 2082 | 1308 nvlist_t *newconfig; |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1309 uint64_t hostid; |
| 2082 | 1310 |
| 1311 if (load_nvlist(spa, spa->spa_config_object, &newconfig) != 0) { | |
| 1544 | 1312 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1313 VDEV_AUX_CORRUPT_DATA); | |
| 1314 error = EIO; | |
| 1315 goto out; | |
| 1316 } | |
| 789 | 1317 |
|
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
|
1318 if (!spa_is_root(spa) && nvlist_lookup_uint64(newconfig, |
|
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
|
1319 ZPOOL_CONFIG_HOSTID, &hostid) == 0) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1320 char *hostname; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1321 unsigned long myhostid = 0; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1322 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1323 VERIFY(nvlist_lookup_string(newconfig, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1324 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1325 |
|
8662
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1326 #ifdef _KERNEL |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1327 myhostid = zone_get_hostid(NULL); |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1328 #else /* _KERNEL */ |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1329 /* |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1330 * 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
|
1331 * 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
|
1332 */ |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1333 (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
|
1334 #endif /* _KERNEL */ |
|
4178
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1335 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
|
1336 hostid != myhostid) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1337 cmn_err(CE_WARN, "pool '%s' could not be " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1338 "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
|
1339 "another system (host: %s hostid: 0x%lx). " |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1340 "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
|
1341 spa_name(spa), hostname, |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1342 (unsigned long)hostid); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1343 error = EBADF; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1344 goto out; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1345 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1346 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1347 |
| 789 | 1348 spa_config_set(spa, newconfig); |
| 1349 spa_unload(spa); | |
| 1350 spa_deactivate(spa); | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1351 spa_activate(spa, orig_mode); |
| 789 | 1352 |
| 1544 | 1353 return (spa_load(spa, newconfig, state, B_TRUE)); |
| 1354 } | |
| 1355 | |
| 1356 if (zap_lookup(spa->spa_meta_objset, | |
| 1357 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, | |
| 1358 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) { | |
| 1359 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1360 VDEV_AUX_CORRUPT_DATA); | |
| 1361 error = EIO; | |
| 1362 goto out; | |
| 789 | 1363 } |
| 1364 | |
| 1544 | 1365 /* |
| 2082 | 1366 * Load the bit that tells us to use the new accounting function |
| 1367 * (raid-z deflation). If we have an older pool, this will not | |
| 1368 * be present. | |
| 1369 */ | |
| 1370 error = zap_lookup(spa->spa_meta_objset, | |
| 1371 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 1372 sizeof (uint64_t), 1, &spa->spa_deflate); | |
| 1373 if (error != 0 && error != ENOENT) { | |
| 1374 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1375 VDEV_AUX_CORRUPT_DATA); | |
| 1376 error = EIO; | |
| 1377 goto out; | |
| 1378 } | |
| 1379 | |
| 1380 /* | |
| 1544 | 1381 * Load the persistent error log. If we have an older pool, this will |
| 1382 * not be present. | |
| 1383 */ | |
| 1384 error = zap_lookup(spa->spa_meta_objset, | |
| 1385 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, | |
| 1386 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
|
1387 if (error != 0 && error != ENOENT) { |
| 1544 | 1388 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1389 VDEV_AUX_CORRUPT_DATA); | |
| 1390 error = EIO; | |
| 1391 goto out; | |
| 1392 } | |
| 1393 | |
| 1394 error = zap_lookup(spa->spa_meta_objset, | |
| 1395 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, | |
| 1396 sizeof (uint64_t), 1, &spa->spa_errlog_scrub); | |
| 1397 if (error != 0 && error != ENOENT) { | |
| 1398 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1399 VDEV_AUX_CORRUPT_DATA); | |
| 1400 error = EIO; | |
| 1401 goto out; | |
| 1402 } | |
| 789 | 1403 |
| 1404 /* | |
| 2926 | 1405 * Load the history object. If we have an older pool, this |
| 1406 * will not be present. | |
| 1407 */ | |
| 1408 error = zap_lookup(spa->spa_meta_objset, | |
| 1409 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, | |
| 1410 sizeof (uint64_t), 1, &spa->spa_history); | |
| 1411 if (error != 0 && error != ENOENT) { | |
| 1412 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1413 VDEV_AUX_CORRUPT_DATA); | |
| 1414 error = EIO; | |
| 1415 goto out; | |
| 1416 } | |
| 1417 | |
| 1418 /* | |
| 2082 | 1419 * Load any hot spares for this pool. |
| 1420 */ | |
| 1421 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 5450 | 1422 DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares.sav_object); |
| 2082 | 1423 if (error != 0 && error != ENOENT) { |
| 1424 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1425 VDEV_AUX_CORRUPT_DATA); | |
| 1426 error = EIO; | |
| 1427 goto out; | |
| 1428 } | |
| 1429 if (error == 0) { | |
| 4577 | 1430 ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
| 5450 | 1431 if (load_nvlist(spa, spa->spa_spares.sav_object, |
| 1432 &spa->spa_spares.sav_config) != 0) { | |
| 2082 | 1433 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1434 VDEV_AUX_CORRUPT_DATA); | |
| 1435 error = EIO; | |
| 1436 goto out; | |
| 1437 } | |
| 1438 | |
|
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
|
1439 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1440 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
|
1441 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 1442 } |
| 1443 | |
| 5450 | 1444 /* |
| 1445 * Load any level 2 ARC devices for this pool. | |
| 1446 */ | |
| 1447 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 1448 DMU_POOL_L2CACHE, sizeof (uint64_t), 1, | |
| 1449 &spa->spa_l2cache.sav_object); | |
| 1450 if (error != 0 && error != ENOENT) { | |
| 1451 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1452 VDEV_AUX_CORRUPT_DATA); | |
| 1453 error = EIO; | |
| 1454 goto out; | |
| 1455 } | |
| 1456 if (error == 0) { | |
| 1457 ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); | |
| 1458 if (load_nvlist(spa, spa->spa_l2cache.sav_object, | |
| 1459 &spa->spa_l2cache.sav_config) != 0) { | |
| 1460 vdev_set_state(rvd, B_TRUE, | |
| 1461 VDEV_STATE_CANT_OPEN, | |
| 1462 VDEV_AUX_CORRUPT_DATA); | |
| 1463 error = EIO; | |
| 1464 goto out; | |
| 1465 } | |
| 1466 | |
|
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
|
1467 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 1468 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
|
1469 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 1470 } |
| 1471 | |
|
9701
cc5b64682e64
6803605 should be able to offline log devices
George Wilson <George.Wilson@Sun.COM>
parents:
9630
diff
changeset
|
1472 spa_load_log_state(spa); |
|
cc5b64682e64
6803605 should be able to offline log devices
George Wilson <George.Wilson@Sun.COM>
parents:
9630
diff
changeset
|
1473 |
| 7294 | 1474 if (spa_check_logs(spa)) { |
| 1475 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1476 VDEV_AUX_BAD_LOG); | |
| 1477 error = ENXIO; | |
| 1478 ereport = FM_EREPORT_ZFS_LOG_REPLAY; | |
| 1479 goto out; | |
| 1480 } | |
| 1481 | |
| 1482 | |
| 5094 | 1483 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
| 4543 | 1484 |
| 3912 | 1485 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
| 1486 DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); | |
| 1487 | |
| 1488 if (error && error != ENOENT) { | |
| 1489 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1490 VDEV_AUX_CORRUPT_DATA); | |
| 1491 error = EIO; | |
| 1492 goto out; | |
| 1493 } | |
| 1494 | |
| 1495 if (error == 0) { | |
| 1496 (void) zap_lookup(spa->spa_meta_objset, | |
| 1497 spa->spa_pool_props_object, | |
| 4451 | 1498 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1499 sizeof (uint64_t), 1, &spa->spa_bootfs); |
| 4451 | 1500 (void) zap_lookup(spa->spa_meta_objset, |
| 1501 spa->spa_pool_props_object, | |
| 1502 zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), | |
| 1503 sizeof (uint64_t), 1, &autoreplace); | |
| 4543 | 1504 (void) zap_lookup(spa->spa_meta_objset, |
| 1505 spa->spa_pool_props_object, | |
| 1506 zpool_prop_to_name(ZPOOL_PROP_DELEGATION), | |
| 1507 sizeof (uint64_t), 1, &spa->spa_delegation); | |
| 5329 | 1508 (void) zap_lookup(spa->spa_meta_objset, |
| 1509 spa->spa_pool_props_object, | |
| 1510 zpool_prop_to_name(ZPOOL_PROP_FAILUREMODE), | |
| 1511 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
|
1512 (void) zap_lookup(spa->spa_meta_objset, |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
1513 spa->spa_pool_props_object, |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
1514 zpool_prop_to_name(ZPOOL_PROP_AUTOEXPAND), |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
1515 sizeof (uint64_t), 1, &spa->spa_autoexpand); |
| 3912 | 1516 } |
| 1517 | |
| 2082 | 1518 /* |
| 4451 | 1519 * If the 'autoreplace' property is set, then post a resource notifying |
| 1520 * the ZFS DE that it should not issue any faults for unopenable | |
| 1521 * devices. We also iterate over the vdevs, and post a sysevent for any | |
| 1522 * unopenable vdevs so that the normal autoreplace handler can take | |
| 1523 * over. | |
| 1524 */ | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
1525 if (autoreplace && state != SPA_LOAD_TRYIMPORT) |
| 4451 | 1526 spa_check_removed(spa->spa_root_vdev); |
| 1527 | |
| 1528 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1529 * Load the vdev state for all toplevel vdevs. |
| 789 | 1530 */ |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1531 vdev_load(rvd); |
| 789 | 1532 |
| 1533 /* | |
| 1534 * Propagate the leaf DTLs we just loaded all the way up the tree. | |
| 1535 */ | |
|
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
|
1536 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 1537 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
|
1538 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 1539 |
| 1540 /* | |
| 1541 * Check the state of the root vdev. If it can't be opened, it | |
| 1542 * indicates one or more toplevel vdevs are faulted. | |
| 1543 */ | |
| 1544 | 1544 if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
| 1545 error = ENXIO; | |
| 1546 goto out; | |
| 1547 } | |
| 789 | 1548 |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1549 if (spa_writeable(spa)) { |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1550 dmu_tx_t *tx; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1551 int need_update = B_FALSE; |
|
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
|
1552 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1553 ASSERT(state != SPA_LOAD_TRYIMPORT); |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1554 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1555 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1556 * 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
|
1557 * 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
|
1558 */ |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1559 tx = dmu_tx_create_assigned(spa_get_dsl(spa), |
| 789 | 1560 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
|
1561 (void) dmu_objset_find(spa_name(spa), |
| 2417 | 1562 zil_claim, tx, DS_FIND_CHILDREN); |
| 789 | 1563 dmu_tx_commit(tx); |
| 1564 | |
|
9701
cc5b64682e64
6803605 should be able to offline log devices
George Wilson <George.Wilson@Sun.COM>
parents:
9630
diff
changeset
|
1565 spa->spa_log_state = SPA_LOG_GOOD; |
| 789 | 1566 spa->spa_sync_on = B_TRUE; |
| 1567 txg_sync_start(spa->spa_dsl_pool); | |
| 1568 | |
| 1569 /* | |
| 1570 * Wait for all claims to sync. | |
| 1571 */ | |
| 1572 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
|
1573 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1574 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1575 * 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
|
1576 * metaslabs (see spa_vdev_add()), then update the config. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1577 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1578 if (config_cache_txg != spa->spa_config_txg || |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1579 state == SPA_LOAD_IMPORT) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1580 need_update = B_TRUE; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1581 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1582 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
|
1583 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
|
1584 need_update = B_TRUE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1585 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1586 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1587 * 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
|
1588 * 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
|
1589 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1590 if (need_update) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1591 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:
8211
diff
changeset
|
1592 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1593 /* |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1594 * Check all DTLs to see if anything needs resilvering. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1595 */ |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1596 if (vdev_resilver_needed(rvd, NULL, NULL)) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1597 spa_async_request(spa, SPA_ASYNC_RESILVER); |
| 789 | 1598 } |
| 1599 | |
| 1544 | 1600 error = 0; |
| 1601 out: | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
1602 spa->spa_minref = refcount_count(&spa->spa_refcount); |
| 2082 | 1603 if (error && error != EBADF) |
| 7294 | 1604 zfs_ereport_post(ereport, spa, NULL, NULL, 0, 0); |
| 1544 | 1605 spa->spa_load_state = SPA_LOAD_NONE; |
| 1606 spa->spa_ena = 0; | |
| 1607 | |
| 1608 return (error); | |
| 789 | 1609 } |
| 1610 | |
| 1611 /* | |
| 1612 * Pool Open/Import | |
| 1613 * | |
| 1614 * The import case is identical to an open except that the configuration is sent | |
| 1615 * down from userland, instead of grabbed from the configuration cache. For the | |
| 1616 * case of an open, the pool configuration will exist in the | |
| 4451 | 1617 * POOL_STATE_UNINITIALIZED state. |
| 789 | 1618 * |
| 1619 * The stats information (gen/count/ustats) is used to gather vdev statistics at | |
| 1620 * the same time open the pool, without having to keep around the spa_t in some | |
| 1621 * ambiguous state. | |
| 1622 */ | |
| 1623 static int | |
| 1624 spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t **config) | |
| 1625 { | |
| 1626 spa_t *spa; | |
| 1627 int error; | |
| 1628 int locked = B_FALSE; | |
| 1629 | |
| 1630 *spapp = NULL; | |
| 1631 | |
| 1632 /* | |
| 1633 * As disgusting as this is, we need to support recursive calls to this | |
| 1634 * function because dsl_dir_open() is called during spa_load(), and ends | |
| 1635 * up calling spa_open() again. The real fix is to figure out how to | |
| 1636 * avoid dsl_dir_open() calling this in the first place. | |
| 1637 */ | |
| 1638 if (mutex_owner(&spa_namespace_lock) != curthread) { | |
| 1639 mutex_enter(&spa_namespace_lock); | |
| 1640 locked = B_TRUE; | |
| 1641 } | |
| 1642 | |
| 1643 if ((spa = spa_lookup(pool)) == NULL) { | |
| 1644 if (locked) | |
| 1645 mutex_exit(&spa_namespace_lock); | |
| 1646 return (ENOENT); | |
| 1647 } | |
| 1648 if (spa->spa_state == POOL_STATE_UNINITIALIZED) { | |
| 1649 | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1650 spa_activate(spa, spa_mode_global); |
| 789 | 1651 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1652 error = spa_load(spa, spa->spa_config, SPA_LOAD_OPEN, B_FALSE); |
| 789 | 1653 |
| 1654 if (error == EBADF) { | |
| 1655 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1656 * If vdev_validate() returns failure (indicated by |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1657 * EBADF), it indicates that one of the vdevs indicates |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1658 * that the pool has been exported or destroyed. If |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1659 * this is the case, the config cache is out of sync and |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1660 * we should remove the pool from the namespace. |
| 789 | 1661 */ |
| 1662 spa_unload(spa); | |
| 1663 spa_deactivate(spa); | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1664 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 789 | 1665 spa_remove(spa); |
| 1666 if (locked) | |
| 1667 mutex_exit(&spa_namespace_lock); | |
| 1668 return (ENOENT); | |
| 1544 | 1669 } |
| 1670 | |
| 1671 if (error) { | |
| 789 | 1672 /* |
| 1673 * We can't open the pool, but we still have useful | |
| 1674 * information: the state of each vdev after the | |
| 1675 * attempted vdev_open(). Return this to the user. | |
| 1676 */ | |
|
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
|
1677 if (config != NULL && spa->spa_root_vdev != NULL) |
| 789 | 1678 *config = spa_config_generate(spa, NULL, -1ULL, |
| 1679 B_TRUE); | |
| 1680 spa_unload(spa); | |
| 1681 spa_deactivate(spa); | |
| 1544 | 1682 spa->spa_last_open_failed = B_TRUE; |
| 789 | 1683 if (locked) |
| 1684 mutex_exit(&spa_namespace_lock); | |
| 1685 *spapp = NULL; | |
| 1686 return (error); | |
| 1544 | 1687 } else { |
| 1688 spa->spa_last_open_failed = B_FALSE; | |
| 789 | 1689 } |
| 1690 } | |
| 1691 | |
| 1692 spa_open_ref(spa, tag); | |
| 4451 | 1693 |
| 789 | 1694 if (locked) |
| 1695 mutex_exit(&spa_namespace_lock); | |
| 1696 | |
| 1697 *spapp = spa; | |
| 1698 | |
|
7754
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1699 if (config != NULL) |
| 789 | 1700 *config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
| 1701 | |
| 1702 return (0); | |
| 1703 } | |
| 1704 | |
| 1705 int | |
| 1706 spa_open(const char *name, spa_t **spapp, void *tag) | |
| 1707 { | |
| 1708 return (spa_open_common(name, spapp, tag, NULL)); | |
| 1709 } | |
| 1710 | |
| 1544 | 1711 /* |
| 1712 * Lookup the given spa_t, incrementing the inject count in the process, | |
| 1713 * preventing it from being exported or destroyed. | |
| 1714 */ | |
| 1715 spa_t * | |
| 1716 spa_inject_addref(char *name) | |
| 1717 { | |
| 1718 spa_t *spa; | |
| 1719 | |
| 1720 mutex_enter(&spa_namespace_lock); | |
| 1721 if ((spa = spa_lookup(name)) == NULL) { | |
| 1722 mutex_exit(&spa_namespace_lock); | |
| 1723 return (NULL); | |
| 1724 } | |
| 1725 spa->spa_inject_ref++; | |
| 1726 mutex_exit(&spa_namespace_lock); | |
| 1727 | |
| 1728 return (spa); | |
| 1729 } | |
| 1730 | |
| 1731 void | |
| 1732 spa_inject_delref(spa_t *spa) | |
| 1733 { | |
| 1734 mutex_enter(&spa_namespace_lock); | |
| 1735 spa->spa_inject_ref--; | |
| 1736 mutex_exit(&spa_namespace_lock); | |
| 1737 } | |
| 1738 | |
| 5450 | 1739 /* |
| 1740 * Add spares device information to the nvlist. | |
| 1741 */ | |
| 2082 | 1742 static void |
| 1743 spa_add_spares(spa_t *spa, nvlist_t *config) | |
| 1744 { | |
| 1745 nvlist_t **spares; | |
| 1746 uint_t i, nspares; | |
| 1747 nvlist_t *nvroot; | |
| 1748 uint64_t guid; | |
| 1749 vdev_stat_t *vs; | |
| 1750 uint_t vsc; | |
|
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1751 uint64_t pool; |
| 2082 | 1752 |
|
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1753 ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); |
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1754 |
| 5450 | 1755 if (spa->spa_spares.sav_count == 0) |
| 2082 | 1756 return; |
| 1757 | |
| 1758 VERIFY(nvlist_lookup_nvlist(config, | |
| 1759 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 5450 | 1760 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 1761 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 1762 if (nspares != 0) { | |
| 1763 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1764 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); | |
| 1765 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1766 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); | |
| 1767 | |
| 1768 /* | |
| 1769 * Go through and find any spares which have since been | |
| 1770 * repurposed as an active spare. If this is the case, update | |
| 1771 * their status appropriately. | |
| 1772 */ | |
| 1773 for (i = 0; i < nspares; i++) { | |
| 1774 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 1775 ZPOOL_CONFIG_GUID, &guid) == 0); | |
|
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1776 if (spa_spare_exists(guid, &pool, NULL) && |
|
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1777 pool != 0ULL) { |
| 2082 | 1778 VERIFY(nvlist_lookup_uint64_array( |
| 1779 spares[i], ZPOOL_CONFIG_STATS, | |
| 1780 (uint64_t **)&vs, &vsc) == 0); | |
| 1781 vs->vs_state = VDEV_STATE_CANT_OPEN; | |
| 1782 vs->vs_aux = VDEV_AUX_SPARED; | |
| 1783 } | |
| 1784 } | |
| 1785 } | |
| 1786 } | |
| 1787 | |
| 5450 | 1788 /* |
| 1789 * Add l2cache device information to the nvlist, including vdev stats. | |
| 1790 */ | |
| 1791 static void | |
| 1792 spa_add_l2cache(spa_t *spa, nvlist_t *config) | |
| 1793 { | |
| 1794 nvlist_t **l2cache; | |
| 1795 uint_t i, j, nl2cache; | |
| 1796 nvlist_t *nvroot; | |
| 1797 uint64_t guid; | |
| 1798 vdev_t *vd; | |
| 1799 vdev_stat_t *vs; | |
| 1800 uint_t vsc; | |
| 1801 | |
|
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1802 ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); |
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1803 |
| 5450 | 1804 if (spa->spa_l2cache.sav_count == 0) |
| 1805 return; | |
| 1806 | |
| 1807 VERIFY(nvlist_lookup_nvlist(config, | |
| 1808 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 1809 VERIFY(nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, | |
| 1810 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1811 if (nl2cache != 0) { | |
| 1812 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1813 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 1814 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1815 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1816 | |
| 1817 /* | |
| 1818 * Update level 2 cache device stats. | |
| 1819 */ | |
| 1820 | |
| 1821 for (i = 0; i < nl2cache; i++) { | |
| 1822 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 1823 ZPOOL_CONFIG_GUID, &guid) == 0); | |
| 1824 | |
| 1825 vd = NULL; | |
| 1826 for (j = 0; j < spa->spa_l2cache.sav_count; j++) { | |
| 1827 if (guid == | |
| 1828 spa->spa_l2cache.sav_vdevs[j]->vdev_guid) { | |
| 1829 vd = spa->spa_l2cache.sav_vdevs[j]; | |
| 1830 break; | |
| 1831 } | |
| 1832 } | |
| 1833 ASSERT(vd != NULL); | |
| 1834 | |
| 1835 VERIFY(nvlist_lookup_uint64_array(l2cache[i], | |
| 1836 ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); | |
| 1837 vdev_get_stats(vd, vs); | |
| 1838 } | |
| 1839 } | |
| 1840 } | |
| 1841 | |
| 789 | 1842 int |
| 1544 | 1843 spa_get_stats(const char *name, nvlist_t **config, char *altroot, size_t buflen) |
| 789 | 1844 { |
| 1845 int error; | |
| 1846 spa_t *spa; | |
| 1847 | |
| 1848 *config = NULL; | |
| 1849 error = spa_open_common(name, &spa, FTAG, config); | |
| 1850 | |
|
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1851 if (spa != NULL) { |
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1852 /* |
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1853 * This still leaves a window of inconsistency where the spares |
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1854 * or l2cache devices could change and the config would be |
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1855 * self-inconsistent. |
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1856 */ |
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1857 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
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1858 |
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1859 if (*config != NULL) { |
|
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1860 VERIFY(nvlist_add_uint64(*config, |
|
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1861 ZPOOL_CONFIG_ERRCOUNT, |
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1862 spa_get_errlog_size(spa)) == 0); |
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1863 |
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1864 if (spa_suspended(spa)) |
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1865 VERIFY(nvlist_add_uint64(*config, |
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1866 ZPOOL_CONFIG_SUSPENDED, |
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1867 spa->spa_failmode) == 0); |
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1868 |
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1869 spa_add_spares(spa, *config); |
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1870 spa_add_l2cache(spa, *config); |
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1871 } |
| 2082 | 1872 } |
| 1873 | |
| 1544 | 1874 /* |
| 1875 * We want to get the alternate root even for faulted pools, so we cheat | |
| 1876 * and call spa_lookup() directly. | |
| 1877 */ | |
| 1878 if (altroot) { | |
| 1879 if (spa == NULL) { | |
| 1880 mutex_enter(&spa_namespace_lock); | |
| 1881 spa = spa_lookup(name); | |
| 1882 if (spa) | |
| 1883 spa_altroot(spa, altroot, buflen); | |
| 1884 else | |
| 1885 altroot[0] = '\0'; | |
| 1886 spa = NULL; | |
| 1887 mutex_exit(&spa_namespace_lock); | |
| 1888 } else { | |
| 1889 spa_altroot(spa, altroot, buflen); | |
| 1890 } | |
| 1891 } | |
| 1892 | |
|
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1893 if (spa != NULL) { |
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1894 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 789 | 1895 spa_close(spa, FTAG); |
|
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1896 } |
| 789 | 1897 |
| 1898 return (error); | |
| 1899 } | |
| 1900 | |
| 1901 /* | |
| 5450 | 1902 * Validate that the auxiliary device array is well formed. We must have an |
| 1903 * array of nvlists, each which describes a valid leaf vdev. If this is an | |
| 1904 * import (mode is VDEV_ALLOC_SPARE), then we allow corrupted spares to be | |
| 1905 * specified, as long as they are well-formed. | |
| 2082 | 1906 */ |
| 1907 static int | |
| 5450 | 1908 spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode, |
| 1909 spa_aux_vdev_t *sav, const char *config, uint64_t version, | |
| 1910 vdev_labeltype_t label) | |
| 2082 | 1911 { |
| 5450 | 1912 nvlist_t **dev; |
| 1913 uint_t i, ndev; | |
| 2082 | 1914 vdev_t *vd; |
| 1915 int error; | |
| 1916 | |
|
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1917 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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1918 |
| 2082 | 1919 /* |
| 5450 | 1920 * It's acceptable to have no devs specified. |
| 2082 | 1921 */ |
| 5450 | 1922 if (nvlist_lookup_nvlist_array(nvroot, config, &dev, &ndev) != 0) |
| 2082 | 1923 return (0); |
| 1924 | |
| 5450 | 1925 if (ndev == 0) |
| 2082 | 1926 return (EINVAL); |
| 1927 | |
| 1928 /* | |
| 5450 | 1929 * Make sure the pool is formatted with a version that supports this |
| 1930 * device type. | |
| 2082 | 1931 */ |
| 5450 | 1932 if (spa_version(spa) < version) |
| 2082 | 1933 return (ENOTSUP); |
| 1934 | |
|
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1935 /* |
| 5450 | 1936 * Set the pending device list so we correctly handle device in-use |
|
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1937 * checking. |
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1938 */ |
| 5450 | 1939 sav->sav_pending = dev; |
| 1940 sav->sav_npending = ndev; | |
| 1941 | |
| 1942 for (i = 0; i < ndev; i++) { | |
| 1943 if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0, | |
| 2082 | 1944 mode)) != 0) |
|
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1945 goto out; |
| 2082 | 1946 |
| 1947 if (!vd->vdev_ops->vdev_op_leaf) { | |
| 1948 vdev_free(vd); | |
|
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1949 error = EINVAL; |
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1950 goto out; |
| 2082 | 1951 } |
| 1952 | |
| 5450 | 1953 /* |
|
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1954 * The L2ARC currently only supports disk devices in |
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1955 * kernel context. For user-level testing, we allow it. |
| 5450 | 1956 */ |
|
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1957 #ifdef _KERNEL |
| 5450 | 1958 if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) && |
| 1959 strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) { | |
| 1960 error = ENOTBLK; | |
| 1961 goto out; | |
| 1962 } | |
|
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1963 #endif |
| 2082 | 1964 vd->vdev_top = vd; |
|
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1965 |
|
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1966 if ((error = vdev_open(vd)) == 0 && |
| 5450 | 1967 (error = vdev_label_init(vd, crtxg, label)) == 0) { |
| 1968 VERIFY(nvlist_add_uint64(dev[i], ZPOOL_CONFIG_GUID, | |
|
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1969 vd->vdev_guid) == 0); |
| 2082 | 1970 } |
| 1971 | |
| 1972 vdev_free(vd); | |
|
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1973 |
| 5450 | 1974 if (error && |
| 1975 (mode != VDEV_ALLOC_SPARE && mode != VDEV_ALLOC_L2CACHE)) | |
|
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1976 goto out; |
|
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1977 else |
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1978 error = 0; |
| 2082 | 1979 } |
| 1980 | |
|
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1981 out: |
| 5450 | 1982 sav->sav_pending = NULL; |
| 1983 sav->sav_npending = 0; | |
|
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1984 return (error); |
| 2082 | 1985 } |
| 1986 | |
| 5450 | 1987 static int |
| 1988 spa_validate_aux(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) | |
| 1989 { | |
| 1990 int error; | |
| 1991 | |
|
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1992 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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1993 |
| 5450 | 1994 if ((error = spa_validate_aux_devs(spa, nvroot, crtxg, mode, |
| 1995 &spa->spa_spares, ZPOOL_CONFIG_SPARES, SPA_VERSION_SPARES, | |
| 1996 VDEV_LABEL_SPARE)) != 0) { | |
| 1997 return (error); | |
| 1998 } | |
| 1999 | |
| 2000 return (spa_validate_aux_devs(spa, nvroot, crtxg, mode, | |
| 2001 &spa->spa_l2cache, ZPOOL_CONFIG_L2CACHE, SPA_VERSION_L2CACHE, | |
| 2002 VDEV_LABEL_L2CACHE)); | |
| 2003 } | |
| 2004 | |
| 2005 static void | |
| 2006 spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs, | |
| 2007 const char *config) | |
| 2008 { | |
| 2009 int i; | |
| 2010 | |
| 2011 if (sav->sav_config != NULL) { | |
| 2012 nvlist_t **olddevs; | |
| 2013 uint_t oldndevs; | |
| 2014 nvlist_t **newdevs; | |
| 2015 | |
| 2016 /* | |
| 2017 * Generate new dev list by concatentating with the | |
| 2018 * current dev list. | |
| 2019 */ | |
| 2020 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config, | |
| 2021 &olddevs, &oldndevs) == 0); | |
| 2022 | |
| 2023 newdevs = kmem_alloc(sizeof (void *) * | |
| 2024 (ndevs + oldndevs), KM_SLEEP); | |
| 2025 for (i = 0; i < oldndevs; i++) | |
| 2026 VERIFY(nvlist_dup(olddevs[i], &newdevs[i], | |
| 2027 KM_SLEEP) == 0); | |
| 2028 for (i = 0; i < ndevs; i++) | |
| 2029 VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs], | |
| 2030 KM_SLEEP) == 0); | |
| 2031 | |
| 2032 VERIFY(nvlist_remove(sav->sav_config, config, | |
| 2033 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 2034 | |
| 2035 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 2036 config, newdevs, ndevs + oldndevs) == 0); | |
| 2037 for (i = 0; i < oldndevs + ndevs; i++) | |
| 2038 nvlist_free(newdevs[i]); | |
| 2039 kmem_free(newdevs, (oldndevs + ndevs) * sizeof (void *)); | |
| 2040 } else { | |
| 2041 /* | |
| 2042 * Generate a new dev list. | |
| 2043 */ | |
| 2044 VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME, | |
| 2045 KM_SLEEP) == 0); | |
| 2046 VERIFY(nvlist_add_nvlist_array(sav->sav_config, config, | |
| 2047 devs, ndevs) == 0); | |
| 2048 } | |
| 2049 } | |
| 2050 | |
| 2051 /* | |
| 2052 * Stop and drop level 2 ARC devices | |
| 2053 */ | |
| 2054 void | |
| 2055 spa_l2cache_drop(spa_t *spa) | |
| 2056 { | |
| 2057 vdev_t *vd; | |
| 2058 int i; | |
| 2059 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 2060 | |
| 2061 for (i = 0; i < sav->sav_count; i++) { | |
| 2062 uint64_t pool; | |
| 2063 | |
| 2064 vd = sav->sav_vdevs[i]; | |
| 2065 ASSERT(vd != NULL); | |
| 2066 | |
|
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2067 if (spa_l2cache_exists(vd->vdev_guid, &pool) && |
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2068 pool != 0ULL && l2arc_vdev_present(vd)) |
| 5450 | 2069 l2arc_remove_vdev(vd); |
| 2070 if (vd->vdev_isl2cache) | |
| 2071 spa_l2cache_remove(vd); | |
| 2072 vdev_clear_stats(vd); | |
| 2073 (void) vdev_close(vd); | |
| 2074 } | |
| 2075 } | |
| 2076 | |
| 2082 | 2077 /* |
| 789 | 2078 * Pool Creation |
| 2079 */ | |
| 2080 int | |
| 5094 | 2081 spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
|
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2082 const char *history_str, nvlist_t *zplprops) |
| 789 | 2083 { |
| 2084 spa_t *spa; | |
| 5094 | 2085 char *altroot = NULL; |
|
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2086 vdev_t *rvd; |
| 789 | 2087 dsl_pool_t *dp; |
| 2088 dmu_tx_t *tx; | |
|
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2089 int error = 0; |
| 789 | 2090 uint64_t txg = TXG_INITIAL; |
| 5450 | 2091 nvlist_t **spares, **l2cache; |
| 2092 uint_t nspares, nl2cache; | |
| 5094 | 2093 uint64_t version; |
| 789 | 2094 |
| 2095 /* | |
| 2096 * If this pool already exists, return failure. | |
| 2097 */ | |
| 2098 mutex_enter(&spa_namespace_lock); | |
| 2099 if (spa_lookup(pool) != NULL) { | |
| 2100 mutex_exit(&spa_namespace_lock); | |
| 2101 return (EEXIST); | |
| 2102 } | |
| 2103 | |
| 2104 /* | |
| 2105 * Allocate a new spa_t structure. | |
| 2106 */ | |
| 5094 | 2107 (void) nvlist_lookup_string(props, |
| 2108 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); | |
|
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2109 spa = spa_add(pool, altroot); |
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2110 spa_activate(spa, spa_mode_global); |
| 789 | 2111 |
| 2112 spa->spa_uberblock.ub_txg = txg - 1; | |
| 5094 | 2113 |
| 2114 if (props && (error = spa_prop_validate(spa, props))) { | |
| 2115 spa_deactivate(spa); | |
| 2116 spa_remove(spa); | |
|
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2117 mutex_exit(&spa_namespace_lock); |
| 5094 | 2118 return (error); |
| 2119 } | |
| 2120 | |
| 2121 if (nvlist_lookup_uint64(props, zpool_prop_to_name(ZPOOL_PROP_VERSION), | |
| 2122 &version) != 0) | |
| 2123 version = SPA_VERSION; | |
| 2124 ASSERT(version <= SPA_VERSION); | |
| 2125 spa->spa_uberblock.ub_version = version; | |
| 789 | 2126 spa->spa_ubsync = spa->spa_uberblock; |
| 2127 | |
|
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2128 /* |
|
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2129 * Create "The Godfather" zio to hold all async IOs |
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2130 */ |
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2131 spa->spa_async_zio_root = zio_root(spa, NULL, NULL, |
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2132 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | ZIO_FLAG_GODFATHER); |
|
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2133 |
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2134 /* |
|
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2135 * Create the root vdev. |
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2136 */ |
|
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2137 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
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2138 |
| 2082 | 2139 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); |
| 2140 | |
| 2141 ASSERT(error != 0 || rvd != NULL); | |
| 2142 ASSERT(error != 0 || spa->spa_root_vdev == rvd); | |
| 2143 | |
|
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|
2144 if (error == 0 && !zfs_allocatable_devs(nvroot)) |
|
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2145 error = EINVAL; |
| 2082 | 2146 |
| 2147 if (error == 0 && | |
| 2148 (error = vdev_create(rvd, txg, B_FALSE)) == 0 && | |
| 5450 | 2149 (error = spa_validate_aux(spa, nvroot, txg, |
| 2082 | 2150 VDEV_ALLOC_ADD)) == 0) { |
|
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2151 for (int c = 0; c < rvd->vdev_children; c++) { |
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2152 vdev_metaslab_set_size(rvd->vdev_child[c]); |
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2153 vdev_expand(rvd->vdev_child[c], txg); |
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2154 } |
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2155 } |
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2156 |
|
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2157 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 2158 |
| 2082 | 2159 if (error != 0) { |
| 789 | 2160 spa_unload(spa); |
| 2161 spa_deactivate(spa); | |
| 2162 spa_remove(spa); | |
| 2163 mutex_exit(&spa_namespace_lock); | |
| 2164 return (error); | |
| 2165 } | |
| 2166 | |
| 2082 | 2167 /* |
| 2168 * Get the list of spares, if specified. | |
| 2169 */ | |
| 2170 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 2171 &spares, &nspares) == 0) { | |
| 5450 | 2172 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, |
| 2082 | 2173 KM_SLEEP) == 0); |
| 5450 | 2174 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 2175 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
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2176 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 2177 spa_load_spares(spa); |
|
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2178 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2179 spa->spa_spares.sav_sync = B_TRUE; |
| 2180 } | |
| 2181 | |
| 2182 /* | |
| 2183 * Get the list of level 2 cache devices, if specified. | |
| 2184 */ | |
| 2185 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 2186 &l2cache, &nl2cache) == 0) { | |
| 2187 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 2188 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2189 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 2190 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
|
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2191 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 2192 spa_load_l2cache(spa); |
|
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2193 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2194 spa->spa_l2cache.sav_sync = B_TRUE; |
| 2082 | 2195 } |
| 2196 | |
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2197 spa->spa_dsl_pool = dp = dsl_pool_create(spa, zplprops, txg); |
| 789 | 2198 spa->spa_meta_objset = dp->dp_meta_objset; |
| 2199 | |
| 2200 tx = dmu_tx_create_assigned(dp, txg); | |
| 2201 | |
| 2202 /* | |
| 2203 * Create the pool config object. | |
| 2204 */ | |
| 2205 spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, | |
|
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2206 DMU_OT_PACKED_NVLIST, SPA_CONFIG_BLOCKSIZE, |
| 789 | 2207 DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); |
| 2208 | |
| 1544 | 2209 if (zap_add(spa->spa_meta_objset, |
| 789 | 2210 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 2211 sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { |
| 2212 cmn_err(CE_PANIC, "failed to add pool config"); | |
| 2213 } | |
| 789 | 2214 |
| 5094 | 2215 /* Newly created pools with the right version are always deflated. */ |
| 2216 if (version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2217 spa->spa_deflate = TRUE; | |
| 2218 if (zap_add(spa->spa_meta_objset, | |
| 2219 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 2220 sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { | |
| 2221 cmn_err(CE_PANIC, "failed to add deflate"); | |
| 2222 } | |
| 2082 | 2223 } |
| 2224 | |
| 789 | 2225 /* |
| 2226 * Create the deferred-free bplist object. Turn off compression | |
| 2227 * because sync-to-convergence takes longer if the blocksize | |
| 2228 * keeps changing. | |
| 2229 */ | |
| 2230 spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, | |
| 2231 1 << 14, tx); | |
| 2232 dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, | |
| 2233 ZIO_COMPRESS_OFF, tx); | |
| 2234 | |
| 1544 | 2235 if (zap_add(spa->spa_meta_objset, |
| 789 | 2236 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
| 1544 | 2237 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) { |
| 2238 cmn_err(CE_PANIC, "failed to add bplist"); | |
| 2239 } | |
| 789 | 2240 |
| 2926 | 2241 /* |
| 2242 * Create the pool's history object. | |
| 2243 */ | |
| 5094 | 2244 if (version >= SPA_VERSION_ZPOOL_HISTORY) |
| 2245 spa_history_create_obj(spa, tx); | |
| 2246 | |
| 2247 /* | |
| 2248 * Set pool properties. | |
| 2249 */ | |
| 2250 spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); | |
| 2251 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); | |
| 5329 | 2252 spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); |
|
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2253 spa->spa_autoexpand = zpool_prop_default_numeric(ZPOOL_PROP_AUTOEXPAND); |
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2254 if (props != NULL) { |
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2255 spa_configfile_set(spa, props, B_FALSE); |
| 5094 | 2256 spa_sync_props(spa, props, CRED(), tx); |
|
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2257 } |
| 2926 | 2258 |
| 789 | 2259 dmu_tx_commit(tx); |
| 2260 | |
| 2261 spa->spa_sync_on = B_TRUE; | |
| 2262 txg_sync_start(spa->spa_dsl_pool); | |
| 2263 | |
| 2264 /* | |
| 2265 * We explicitly wait for the first transaction to complete so that our | |
| 2266 * bean counters are appropriately updated. | |
| 2267 */ | |
| 2268 txg_wait_synced(spa->spa_dsl_pool, txg); | |
| 2269 | |
|
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2270 spa_config_sync(spa, B_FALSE, B_TRUE); |
| 789 | 2271 |
| 5094 | 2272 if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL) |
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2273 (void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE); |
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2274 spa_history_log_version(spa, LOG_POOL_CREATE); |
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2275 |
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2276 spa->spa_minref = refcount_count(&spa->spa_refcount); |
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2277 |
| 789 | 2278 mutex_exit(&spa_namespace_lock); |
| 2279 | |
| 2280 return (0); | |
| 2281 } | |
| 2282 | |
| 6423 | 2283 #ifdef _KERNEL |
| 2284 /* | |
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2285 * Get the root pool information from the root disk, then import the root pool |
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2286 * during the system boot up time. |
| 6423 | 2287 */ |
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2288 extern int vdev_disk_read_rootlabel(char *, char *, nvlist_t **); |
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2289 |
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2290 static nvlist_t * |
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2291 spa_generate_rootconf(char *devpath, char *devid, uint64_t *guid) |
| 6423 | 2292 { |
|
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2293 nvlist_t *config; |
| 6423 | 2294 nvlist_t *nvtop, *nvroot; |
| 2295 uint64_t pgid; | |
| 2296 | |
|
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2297 if (vdev_disk_read_rootlabel(devpath, devid, &config) != 0) |
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2298 return (NULL); |
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2299 |
| 6423 | 2300 /* |
| 2301 * Add this top-level vdev to the child array. | |
| 2302 */ | |
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2303 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
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|
2304 &nvtop) == 0); |
|
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2305 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, |
|
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|
2306 &pgid) == 0); |
|
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|
2307 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_GUID, guid) == 0); |
| 6423 | 2308 |
| 2309 /* | |
| 2310 * Put this pool's top-level vdevs into a root vdev. | |
| 2311 */ | |
| 2312 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
|
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2313 VERIFY(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE, |
|
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|
2314 VDEV_TYPE_ROOT) == 0); |
| 6423 | 2315 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) == 0); |
| 2316 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_GUID, pgid) == 0); | |
| 2317 VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
| 2318 &nvtop, 1) == 0); | |
| 2319 | |
| 2320 /* | |
| 2321 * Replace the existing vdev_tree with the new root vdev in | |
| 2322 * this pool's configuration (remove the old, add the new). | |
| 2323 */ | |
| 2324 VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0); | |
| 2325 nvlist_free(nvroot); | |
|
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|
2326 return (config); |
| 6423 | 2327 } |
| 2328 | |
| 2329 /* | |
|
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2330 * Walk the vdev tree and see if we can find a device with "better" |
|
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2331 * configuration. A configuration is "better" if the label on that |
|
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2332 * device has a more recent txg. |
| 6423 | 2333 */ |
|
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|
2334 static void |
|
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2335 spa_alt_rootvdev(vdev_t *vd, vdev_t **avd, uint64_t *txg) |
|
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2336 { |
|
9816
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2337 for (int c = 0; c < vd->vdev_children; c++) |
|
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2338 spa_alt_rootvdev(vd->vdev_child[c], avd, txg); |
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2339 |
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2340 if (vd->vdev_ops->vdev_op_leaf) { |
|
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2341 nvlist_t *label; |
|
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2342 uint64_t label_txg; |
|
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2343 |
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2344 if (vdev_disk_read_rootlabel(vd->vdev_physpath, vd->vdev_devid, |
|
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2345 &label) != 0) |
|
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2346 return; |
|
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2347 |
|
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2348 VERIFY(nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_TXG, |
|
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|
2349 &label_txg) == 0); |
|
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2350 |
|
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2351 /* |
|
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2352 * Do we have a better boot device? |
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2353 */ |
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2354 if (label_txg > *txg) { |
|
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2355 *txg = label_txg; |
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2356 *avd = vd; |
|
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2357 } |
|
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2358 nvlist_free(label); |
|
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2359 } |
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2360 } |
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2361 |
| 6423 | 2362 /* |
| 2363 * Import a root pool. | |
| 2364 * | |
|
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2365 * For x86. devpath_list will consist of devid and/or physpath name of |
|
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2366 * the vdev (e.g. "id1,sd@SSEAGATE..." or "/pci@1f,0/ide@d/disk@0,0:a"). |
|
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2367 * The GRUB "findroot" command will return the vdev we should boot. |
| 6423 | 2368 * |
| 2369 * For Sparc, devpath_list consists the physpath name of the booting device | |
| 2370 * no matter the rootpool is a single device pool or a mirrored pool. | |
| 2371 * e.g. | |
| 2372 * "/pci@1f,0/ide@d/disk@0,0:a" | |
| 2373 */ | |
| 2374 int | |
|
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2375 spa_import_rootpool(char *devpath, char *devid) |
| 6423 | 2376 { |
|
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2377 spa_t *spa; |
|
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2378 vdev_t *rvd, *bvd, *avd = NULL; |
|
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2379 nvlist_t *config, *nvtop; |
|
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|
2380 uint64_t guid, txg; |
| 6423 | 2381 char *pname; |
| 2382 int error; | |
| 2383 | |
| 2384 /* | |
|
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2385 * Read the label from the boot device and generate a configuration. |
| 6423 | 2386 */ |
|
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2387 if ((config = spa_generate_rootconf(devpath, devid, &guid)) == NULL) { |
|
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2388 cmn_err(CE_NOTE, "Can not read the pool label from '%s'", |
|
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2389 devpath); |
|
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2390 return (EIO); |
|
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2391 } |
|
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2392 |
|
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|
2393 VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, |
|
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2394 &pname) == 0); |
|
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2395 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &txg) == 0); |
| 6423 | 2396 |
|
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|
2397 mutex_enter(&spa_namespace_lock); |
|
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|
2398 if ((spa = spa_lookup(pname)) != NULL) { |
|
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|
2399 /* |
|
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|
2400 * Remove the existing root pool from the namespace so that we |
|
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|
2401 * can replace it with the correct config we just read in. |
|
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2402 */ |
|
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2403 spa_remove(spa); |
|
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2404 } |
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2405 |
|
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|
2406 spa = spa_add(pname, NULL); |
|
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|
2407 spa->spa_is_root = B_TRUE; |
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2408 |
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2409 /* |
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2410 * Build up a vdev tree based on the boot device's label config. |
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2411 */ |
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2412 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
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2413 &nvtop) == 0); |
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2414 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
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2415 error = spa_config_parse(spa, &rvd, nvtop, NULL, 0, |
|
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2416 VDEV_ALLOC_ROOTPOOL); |
|
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2417 spa_config_exit(spa, SCL_ALL, FTAG); |
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2418 if (error) { |
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2419 mutex_exit(&spa_namespace_lock); |
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2420 nvlist_free(config); |
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2421 cmn_err(CE_NOTE, "Can not parse the config for pool '%s'", |
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2422 pname); |
|
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2423 return (error); |
|
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2424 } |
|
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 |
|
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 /* |
|
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 * 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
|
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 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
|
2430 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
|
2431 (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
|
2432 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
|
2433 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
|
2434 } |
|
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
|
2435 |
|
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
|
2436 /* |
|
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
|
2437 * 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
|
2438 */ |
|
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
|
2439 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
|
2440 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
|
2441 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
|
2442 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
|
2443 "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
|
2444 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
|
2445 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
|
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 |
|
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 * 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
|
2450 * 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
|
2451 */ |
|
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 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
|
2453 !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
|
2454 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
|
2455 "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
|
2456 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
|
2457 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
|
2458 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
|
2459 } |
|
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 |
|
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 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
|
2462 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
|
2463 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
|
2464 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
|
2465 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
|
2466 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
|
2467 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
|
2468 mutex_exit(&spa_namespace_lock); |
| 6423 | 2469 |
|
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
|
2470 nvlist_free(config); |
| 6423 | 2471 return (error); |
| 2472 } | |
|
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
|
2473 |
| 6423 | 2474 #endif |
| 2475 | |
| 2476 /* | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2477 * 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
|
2478 * boot. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2479 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2480 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2481 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
|
2482 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2483 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
|
2484 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
|
2485 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2486 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
|
2487 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
|
2488 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
|
2489 return (EEXIST); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2490 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2491 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2492 (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
|
2493 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>
parents:
9276
diff
changeset
|
2494 spa = spa_add(pool, altroot); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2495 |
|
10000
241a51d8720c
6848242 zdb -e no longer works as expected
Victor Latushkin <Victor.Latushkin@Sun.COM>
parents:
9946
diff
changeset
|
2496 spa->spa_inactive_states_ok = B_TRUE; |
|
241a51d8720c
6848242 zdb -e no longer works as expected
Victor Latushkin <Victor.Latushkin@Sun.COM>
parents:
9946
diff
changeset
|
2497 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2498 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>
parents:
9276
diff
changeset
|
2499 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2500 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
|
2501 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>
parents:
9276
diff
changeset
|
2502 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2503 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>
parents:
9276
diff
changeset
|
2504 |
|
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); |
|
9946
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
2506 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
|
2507 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2508 return (0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2509 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2510 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2511 /* |
| 6423 | 2512 * Import a non-root pool into the system. |
| 2513 */ | |
| 2514 int | |
| 2515 spa_import(const char *pool, nvlist_t *config, nvlist_t *props) | |
| 2516 { | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2517 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
|
2518 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
|
2519 int error; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2520 nvlist_t *nvroot; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2521 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
|
2522 uint_t nspares, nl2cache; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2523 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2524 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2525 * 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
|
2526 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2527 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
|
2528 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
|
2529 mutex_exit(&spa_namespace_lock); |
|
e7ffacaec3a8
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diff
changeset
|
2530 return (EEXIST); |
|
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|
2531 } |
|
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6799895 spa_add_spares() needs to be protected by config lock
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|
2532 |
|
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6799895 spa_add_spares() needs to be protected by config lock
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|
2533 /* |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2534 * Create and initialize the spa structure. |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2535 */ |
|
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6799895 spa_add_spares() needs to be protected by config lock
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|
2536 (void) nvlist_lookup_string(props, |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2537 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2538 spa = spa_add(pool, altroot); |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2539 spa_activate(spa, spa_mode_global); |
|
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6799895 spa_add_spares() needs to be protected by config lock
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|
2540 |
|
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6799895 spa_add_spares() needs to be protected by config lock
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changeset
|
2541 /* |
|
9630
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6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
2542 * Don't start async tasks until we know everything is healthy. |
|
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6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
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diff
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|
2543 */ |
|
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|
2544 spa_async_suspend(spa); |
|
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6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
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|
2545 |
|
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6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
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|
2546 /* |
|
9425
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diff
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|
2547 * Pass off the heavy lifting to spa_load(). Pass TRUE for mosconfig |
|
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|
2548 * because the user-supplied config is actually the one to trust when |
|
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|
2549 * doing an import. |
|
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|
2550 */ |
|
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6799895 spa_add_spares() needs to be protected by config lock
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|
2551 error = spa_load(spa, config, SPA_LOAD_IMPORT, B_TRUE); |
|
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|
2552 |
|
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|
2553 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
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|
2554 /* |
|
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|
2555 * Toss any existing sparelist, as it doesn't have any validity |
|
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|
2556 * anymore, and conflicts with spa_has_spare(). |
|
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|
2557 */ |
|
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|
2558 if (spa->spa_spares.sav_config) { |
|
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|
2559 nvlist_free(spa->spa_spares.sav_config); |
|
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|
2560 spa->spa_spares.sav_config = NULL; |
|
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6799895 spa_add_spares() needs to be protected by config lock
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|
2561 spa_load_spares(spa); |
|
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|
2562 } |
|
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|
2563 if (spa->spa_l2cache.sav_config) { |
|
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|
2564 nvlist_free(spa->spa_l2cache.sav_config); |
|
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|
2565 spa->spa_l2cache.sav_config = NULL; |
|
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|
2566 spa_load_l2cache(spa); |
|
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|
2567 } |
|
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|
2568 |
|
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changeset
|
2569 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
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|
2570 &nvroot) == 0); |
|
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|
2571 if (error == 0) |
|
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|
2572 error = spa_validate_aux(spa, nvroot, -1ULL, |
|
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|
2573 VDEV_ALLOC_SPARE); |
|
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|
2574 if (error == 0) |
|
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|
2575 error = spa_validate_aux(spa, nvroot, -1ULL, |
|
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|
2576 VDEV_ALLOC_L2CACHE); |
|
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|
2577 spa_config_exit(spa, SCL_ALL, FTAG); |
|
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|
2578 |
|
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changeset
|
2579 if (props != NULL) |
|
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|
2580 spa_configfile_set(spa, props, B_FALSE); |
|
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|
2581 |
|
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diff
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|
2582 if (error != 0 || (props && spa_writeable(spa) && |
|
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|
2583 (error = spa_prop_set(spa, props)))) { |
|
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|
2584 spa_unload(spa); |
|
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|
2585 spa_deactivate(spa); |
|
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|
2586 spa_remove(spa); |
|
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|
2587 mutex_exit(&spa_namespace_lock); |
|
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changeset
|
2588 return (error); |
|
e7ffacaec3a8
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diff
changeset
|
2589 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2590 |
|
9630
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6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
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9616
diff
changeset
|
2591 spa_async_resume(spa); |
|
e25a03f552e0
6776104 "zfs import" deadlock between spa_unload() and spa_async_thread()
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diff
changeset
|
2592 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2593 /* |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2594 * Override any spares and level 2 cache devices as specified by |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2595 * the user, as these may have correct device names/devids, etc. |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2596 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2597 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2598 &spares, &nspares) == 0) { |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2599 if (spa->spa_spares.sav_config) |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2600 VERIFY(nvlist_remove(spa->spa_spares.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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changeset
|
2601 ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
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changeset
|
2602 else |
|
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diff
changeset
|
2603 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, |
|
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diff
changeset
|
2604 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
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diff
changeset
|
2605 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
|
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changeset
|
2606 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
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diff
changeset
|
2607 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
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changeset
|
2608 spa_load_spares(spa); |
|
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changeset
|
2609 spa_config_exit(spa, SCL_ALL, FTAG); |
|
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changeset
|
2610 spa->spa_spares.sav_sync = B_TRUE; |
|
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|
2611 } |
|
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changeset
|
2612 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, |
|
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diff
changeset
|
2613 &l2cache, &nl2cache) == 0) { |
|
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diff
changeset
|
2614 if (spa->spa_l2cache.sav_config) |
|
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changeset
|
2615 VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2616 ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
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changeset
|
2617 else |
|
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diff
changeset
|
2618 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, |
|
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changeset
|
2619 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
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diff
changeset
|
2620 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
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diff
changeset
|
2621 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
changeset
|
2622 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
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changeset
|
2623 spa_load_l2cache(spa); |
|
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diff
changeset
|
2624 spa_config_exit(spa, SCL_ALL, FTAG); |
|
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diff
changeset
|
2625 spa->spa_l2cache.sav_sync = B_TRUE; |
|
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diff
changeset
|
2626 } |
|
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diff
changeset
|
2627 |
|
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diff
changeset
|
2628 if (spa_writeable(spa)) { |
|
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diff
changeset
|
2629 /* |
|
e7ffacaec3a8
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|
2630 * Update the config cache to include the newly-imported pool. |
|
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6799895 spa_add_spares() needs to be protected by config lock
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|
2631 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2632 spa_config_update_common(spa, SPA_CONFIG_UPDATE_POOL, B_FALSE); |
|
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diff
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|
2633 } |
|
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6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2634 |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
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diff
changeset
|
2635 /* |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
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diff
changeset
|
2636 * It's possible that the pool was expanded while it was exported. |
|
847676ec1c5b
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George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2637 * 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
|
2638 */ |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2639 spa_async_request(spa, SPA_ASYNC_AUTOEXPAND); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
2640 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
2641 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
|
2642 spa_history_log_version(spa, LOG_POOL_IMPORT); |
|
9425
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6799895 spa_add_spares() needs to be protected by config lock
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diff
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|
2643 |
|
e7ffacaec3a8
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diff
changeset
|
2644 return (0); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2645 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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6615
diff
changeset
|
2646 |
|
3a34b0dbb107
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diff
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|
2647 |
| 789 | 2648 /* |
| 2649 * This (illegal) pool name is used when temporarily importing a spa_t in order | |
| 2650 * to get the vdev stats associated with the imported devices. | |
| 2651 */ | |
| 2652 #define TRYIMPORT_NAME "$import" | |
| 2653 | |
| 2654 nvlist_t * | |
| 2655 spa_tryimport(nvlist_t *tryconfig) | |
| 2656 { | |
| 2657 nvlist_t *config = NULL; | |
| 2658 char *poolname; | |
| 2659 spa_t *spa; | |
| 2660 uint64_t state; | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
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8667
diff
changeset
|
2661 int error; |
| 789 | 2662 |
| 2663 if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) | |
| 2664 return (NULL); | |
| 2665 | |
| 2666 if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) | |
| 2667 return (NULL); | |
| 2668 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2669 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2670 * Create and initialize the spa structure. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2671 */ |
| 789 | 2672 mutex_enter(&spa_namespace_lock); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2673 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
|
2674 spa_activate(spa, FREAD); |
| 789 | 2675 |
| 2676 /* | |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2677 * Pass off the heavy lifting to spa_load(). |
| 1732 | 2678 * Pass TRUE for mosconfig because the user-supplied config |
| 2679 * is actually the one to trust when doing an import. | |
| 789 | 2680 */ |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2681 error = spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
| 789 | 2682 |
| 2683 /* | |
| 2684 * If 'tryconfig' was at least parsable, return the current config. | |
| 2685 */ | |
| 2686 if (spa->spa_root_vdev != NULL) { | |
| 2687 config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); | |
| 2688 VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, | |
| 2689 poolname) == 0); | |
| 2690 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, | |
| 2691 state) == 0); | |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2692 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2693 spa->spa_uberblock.ub_timestamp) == 0); |
| 2082 | 2694 |
| 2695 /* | |
| 6423 | 2696 * If the bootfs property exists on this pool then we |
| 2697 * copy it out so that external consumers can tell which | |
| 2698 * pools are bootable. | |
| 2699 */ | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
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8667
diff
changeset
|
2700 if ((!error || error == EEXIST) && spa->spa_bootfs) { |
| 6423 | 2701 char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
| 2702 | |
| 2703 /* | |
| 2704 * We have to play games with the name since the | |
| 2705 * pool was opened as TRYIMPORT_NAME. | |
| 2706 */ | |
|
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
|
2707 if (dsl_dsobj_to_dsname(spa_name(spa), |
| 6423 | 2708 spa->spa_bootfs, tmpname) == 0) { |
| 2709 char *cp; | |
| 2710 char *dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
| 2711 | |
| 2712 cp = strchr(tmpname, '/'); | |
| 2713 if (cp == NULL) { | |
| 2714 (void) strlcpy(dsname, tmpname, | |
| 2715 MAXPATHLEN); | |
| 2716 } else { | |
| 2717 (void) snprintf(dsname, MAXPATHLEN, | |
| 2718 "%s/%s", poolname, ++cp); | |
| 2719 } | |
| 2720 VERIFY(nvlist_add_string(config, | |
| 2721 ZPOOL_CONFIG_BOOTFS, dsname) == 0); | |
| 2722 kmem_free(dsname, MAXPATHLEN); | |
| 2723 } | |
| 2724 kmem_free(tmpname, MAXPATHLEN); | |
| 2725 } | |
| 2726 | |
| 2727 /* | |
| 5450 | 2728 * Add the list of hot spares and level 2 cache devices. |
| 2082 | 2729 */ |
|
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
|
2730 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 2082 | 2731 spa_add_spares(spa, config); |
| 5450 | 2732 spa_add_l2cache(spa, config); |
|
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
|
2733 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 789 | 2734 } |
| 2735 | |
| 2736 spa_unload(spa); | |
| 2737 spa_deactivate(spa); | |
| 2738 spa_remove(spa); | |
| 2739 mutex_exit(&spa_namespace_lock); | |
| 2740 | |
| 2741 return (config); | |
| 2742 } | |
| 2743 | |
| 2744 /* | |
| 2745 * Pool export/destroy | |
| 2746 * | |
| 2747 * The act of destroying or exporting a pool is very simple. We make sure there | |
| 2748 * is no more pending I/O and any references to the pool are gone. Then, we | |
| 2749 * update the pool state and sync all the labels to disk, removing the | |
|
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2750 * configuration from the cache afterwards. If the 'hardforce' flag is set, then |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
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diff
changeset
|
2751 * we don't sync the labels or remove the configuration cache. |
| 789 | 2752 */ |
| 2753 static int | |
|
7214
04c540040a32
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diff
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|
2754 spa_export_common(char *pool, int new_state, nvlist_t **oldconfig, |
|
8211
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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
|
2755 boolean_t force, boolean_t hardforce) |
| 789 | 2756 { |
| 2757 spa_t *spa; | |
| 2758 | |
|
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6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
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diff
changeset
|
2759 if (oldconfig) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
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1760
diff
changeset
|
2760 *oldconfig = NULL; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
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diff
changeset
|
2761 |
|
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
|
2762 if (!(spa_mode_global & FWRITE)) |
| 789 | 2763 return (EROFS); |
| 2764 | |
| 2765 mutex_enter(&spa_namespace_lock); | |
| 2766 if ((spa = spa_lookup(pool)) == NULL) { | |
| 2767 mutex_exit(&spa_namespace_lock); | |
| 2768 return (ENOENT); | |
| 2769 } | |
| 2770 | |
| 2771 /* | |
| 1544 | 2772 * Put a hold on the pool, drop the namespace lock, stop async tasks, |
| 2773 * reacquire the namespace lock, and see if we can export. | |
| 2774 */ | |
| 2775 spa_open_ref(spa, FTAG); | |
| 2776 mutex_exit(&spa_namespace_lock); | |
| 2777 spa_async_suspend(spa); | |
| 2778 mutex_enter(&spa_namespace_lock); | |
| 2779 spa_close(spa, FTAG); | |
| 2780 | |
| 2781 /* | |
| 789 | 2782 * The pool will be in core if it's openable, |
| 2783 * in which case we can modify its state. | |
| 2784 */ | |
| 2785 if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) { | |
| 2786 /* | |
| 2787 * Objsets may be open only because they're dirty, so we | |
| 2788 * have to force it to sync before checking spa_refcnt. | |
| 2789 */ | |
| 2790 txg_wait_synced(spa->spa_dsl_pool, 0); | |
| 2791 | |
| 1544 | 2792 /* |
| 2793 * A pool cannot be exported or destroyed if there are active | |
| 2794 * references. If we are resetting a pool, allow references by | |
| 2795 * fault injection handlers. | |
| 2796 */ | |
| 2797 if (!spa_refcount_zero(spa) || | |
| 2798 (spa->spa_inject_ref != 0 && | |
| 2799 new_state != POOL_STATE_UNINITIALIZED)) { | |
| 2800 spa_async_resume(spa); | |
| 789 | 2801 mutex_exit(&spa_namespace_lock); |
| 2802 return (EBUSY); | |
| 2803 } | |
| 2804 | |
| 2805 /* | |
|
7214
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|
2806 * A pool cannot be exported if it has an active shared spare. |
|
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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7184
diff
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|
2807 * This is to prevent other pools stealing the active spare |
|
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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7184
diff
changeset
|
2808 * from an exported pool. At user's own will, such pool can |
|
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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diff
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|
2809 * 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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7184
diff
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|
2810 */ |
|
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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diff
changeset
|
2811 if (!force && new_state == POOL_STATE_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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diff
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|
2812 spa_has_active_shared_spare(spa)) { |
|
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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7184
diff
changeset
|
2813 spa_async_resume(spa); |
|
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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7184
diff
changeset
|
2814 mutex_exit(&spa_namespace_lock); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
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7184
diff
changeset
|
2815 return (EXDEV); |
|
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
|
2816 } |
|
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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7184
diff
changeset
|
2817 |
|
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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7184
diff
changeset
|
2818 /* |
| 789 | 2819 * We want this to be reflected on every label, |
| 2820 * so mark them all dirty. spa_unload() will do the | |
| 2821 * final sync that pushes these changes out. | |
| 2822 */ | |
|
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6775357 ZFS should have a way to export a pool without touching anything
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7897
diff
changeset
|
2823 if (new_state != POOL_STATE_UNINITIALIZED && !hardforce) { |
|
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
|
2824 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1544 | 2825 spa->spa_state = new_state; |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
changeset
|
2826 spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
| 1544 | 2827 vdev_config_dirty(spa->spa_root_vdev); |
|
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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diff
changeset
|
2828 spa_config_exit(spa, SCL_ALL, FTAG); |
| 1544 | 2829 } |
| 789 | 2830 } |
| 2831 | |
| 4451 | 2832 spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
| 2833 | |
| 789 | 2834 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
| 2835 spa_unload(spa); | |
| 2836 spa_deactivate(spa); | |
| 2837 } | |
| 2838 | |
|
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6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
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1760
diff
changeset
|
2839 if (oldconfig && spa->spa_config) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
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1760
diff
changeset
|
2840 VERIFY(nvlist_dup(spa->spa_config, oldconfig, 0) == 0); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
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diff
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|
2841 |
| 1544 | 2842 if (new_state != POOL_STATE_UNINITIALIZED) { |
|
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6775357 ZFS should have a way to export a pool without touching anything
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|
2843 if (!hardforce) |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
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diff
changeset
|
2844 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 1544 | 2845 spa_remove(spa); |
| 2846 } | |
| 789 | 2847 mutex_exit(&spa_namespace_lock); |
| 2848 | |
| 2849 return (0); | |
| 2850 } | |
| 2851 | |
| 2852 /* | |
| 2853 * Destroy a storage pool. | |
| 2854 */ | |
| 2855 int | |
| 2856 spa_destroy(char *pool) | |
| 2857 { | |
|
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6775357 ZFS should have a way to export a pool without touching anything
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changeset
|
2858 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
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|
2859 B_FALSE, B_FALSE)); |
| 789 | 2860 } |
| 2861 | |
| 2862 /* | |
| 2863 * Export a storage pool. | |
| 2864 */ | |
| 2865 int | |
|
8211
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6775357 ZFS should have a way to export a pool without touching anything
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diff
changeset
|
2866 spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, |
|
32722be6ad3b
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diff
changeset
|
2867 boolean_t hardforce) |
| 789 | 2868 { |
|
8211
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7897
diff
changeset
|
2869 return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig, |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
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diff
changeset
|
2870 force, hardforce)); |
| 789 | 2871 } |
| 2872 | |
| 2873 /* | |
| 1544 | 2874 * Similar to spa_export(), this unloads the spa_t without actually removing it |
| 2875 * from the namespace in any way. | |
| 2876 */ | |
| 2877 int | |
| 2878 spa_reset(char *pool) | |
| 2879 { | |
|
7214
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changeset
|
2880 return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL, |
|
8211
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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
|
2881 B_FALSE, B_FALSE)); |
| 1544 | 2882 } |
| 2883 | |
| 2884 /* | |
| 789 | 2885 * ========================================================================== |
| 2886 * Device manipulation | |
| 2887 * ========================================================================== | |
| 2888 */ | |
| 2889 | |
| 2890 /* | |
| 4527 | 2891 * Add a device to a storage pool. |
| 789 | 2892 */ |
| 2893 int | |
| 2894 spa_vdev_add(spa_t *spa, nvlist_t *nvroot) | |
| 2895 { | |
| 2896 uint64_t txg; | |
|
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|
2897 int error; |
| 789 | 2898 vdev_t *rvd = spa->spa_root_vdev; |
|
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|
2899 vdev_t *vd, *tvd; |
| 5450 | 2900 nvlist_t **spares, **l2cache; |
| 2901 uint_t nspares, nl2cache; | |
| 789 | 2902 |
| 2903 txg = spa_vdev_enter(spa); | |
| 2904 | |
| 2082 | 2905 if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
| 2906 VDEV_ALLOC_ADD)) != 0) | |
| 2907 return (spa_vdev_exit(spa, NULL, txg, error)); | |
| 2908 | |
|
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changeset
|
2909 spa->spa_pending_vdev = vd; /* spa_vdev_exit() will clear this */ |
| 789 | 2910 |
| 5450 | 2911 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, |
| 2912 &nspares) != 0) | |
| 2082 | 2913 nspares = 0; |
| 2914 | |
| 5450 | 2915 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, |
| 2916 &nl2cache) != 0) | |
| 2917 nl2cache = 0; | |
| 2918 | |
|
7754
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changeset
|
2919 if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0) |
| 2082 | 2920 return (spa_vdev_exit(spa, vd, txg, EINVAL)); |
|
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|
2921 |
|
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|
2922 if (vd->vdev_children != 0 && |
|
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|
2923 (error = vdev_create(vd, txg, B_FALSE)) != 0) |
|
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diff
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|
2924 return (spa_vdev_exit(spa, vd, txg, error)); |
| 2082 | 2925 |
|
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|
2926 /* |
| 5450 | 2927 * We must validate the spares and l2cache devices after checking the |
| 2928 * children. Otherwise, vdev_inuse() will blindly overwrite the spare. | |
|
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|
2929 */ |
|
7754
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diff
changeset
|
2930 if ((error = spa_validate_aux(spa, nvroot, txg, VDEV_ALLOC_ADD)) != 0) |
|
3377
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|
2931 return (spa_vdev_exit(spa, vd, txg, error)); |
|
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|
2932 |
|
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|
2933 /* |
|
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|
2934 * Transfer each new top-level vdev from vd to rvd. |
|
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|
2935 */ |
|
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|
2936 for (int c = 0; c < vd->vdev_children; c++) { |
|
3377
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|
2937 tvd = vd->vdev_child[c]; |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
2938 vdev_remove_child(vd, tvd); |
|
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|
2939 tvd->vdev_id = rvd->vdev_children; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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|
2940 vdev_add_child(rvd, tvd); |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
2941 vdev_config_dirty(tvd); |
|
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|
2942 } |
|
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|
2943 |
| 2082 | 2944 if (nspares != 0) { |
| 5450 | 2945 spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, |
| 2946 ZPOOL_CONFIG_SPARES); | |
| 2082 | 2947 spa_load_spares(spa); |
| 5450 | 2948 spa->spa_spares.sav_sync = B_TRUE; |
| 2949 } | |
| 2950 | |
| 2951 if (nl2cache != 0) { | |
| 2952 spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, | |
| 2953 ZPOOL_CONFIG_L2CACHE); | |
| 2954 spa_load_l2cache(spa); | |
| 2955 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 789 | 2956 } |
| 2957 | |
| 2958 /* | |
|
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diff
changeset
|
2959 * 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
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|
2960 * If other threads start allocating from these vdevs before we |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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parents:
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diff
changeset
|
2961 * sync the config cache, and we lose power, then upon reboot we may |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
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diff
changeset
|
2962 * fail to open the pool because there are DVAs that the config cache |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2963 * can't translate. Therefore, we first add the vdevs without |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2964 * initializing metaslabs; sync the config cache (via spa_vdev_exit()); |
|
1635
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bonwick
parents:
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diff
changeset
|
2965 * and then let spa_config_update() initialize the new metaslabs. |
|
1585
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bonwick
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|
2966 * |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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diff
changeset
|
2967 * spa_load() checks for added-but-not-initialized vdevs, so that |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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1544
diff
changeset
|
2968 * if we lose power at any point in this sequence, the remaining |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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diff
changeset
|
2969 * steps will be completed the next time we load the pool. |
| 789 | 2970 */ |
|
1635
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bonwick
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diff
changeset
|
2971 (void) spa_vdev_exit(spa, vd, txg, 0); |
|
1585
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|
2972 |
|
1635
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|
2973 mutex_enter(&spa_namespace_lock); |
|
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diff
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|
2974 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
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bonwick
parents:
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diff
changeset
|
2975 mutex_exit(&spa_namespace_lock); |
| 789 | 2976 |
|
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changeset
|
2977 return (0); |
| 789 | 2978 } |
| 2979 | |
| 2980 /* | |
| 2981 * Attach a device to a mirror. The arguments are the path to any device | |
| 2982 * in the mirror, and the nvroot for the new device. If the path specifies | |
| 2983 * a device that is not mirrored, we automatically insert the mirror vdev. | |
| 2984 * | |
| 2985 * If 'replacing' is specified, the new device is intended to replace the | |
| 2986 * existing device; in this case the two devices are made into their own | |
| 4451 | 2987 * mirror using the 'replacing' vdev, which is functionally identical to |
| 789 | 2988 * the mirror vdev (it actually reuses all the same ops) but has a few |
| 2989 * extra rules: you can't attach to it after it's been created, and upon | |
| 2990 * completion of resilvering, the first disk (the one being replaced) | |
| 2991 * is automatically detached. | |
| 2992 */ | |
| 2993 int | |
| 1544 | 2994 spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
| 789 | 2995 { |
| 2996 uint64_t txg, open_txg; | |
| 2997 vdev_t *rvd = spa->spa_root_vdev; | |
| 2998 vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; | |
| 2082 | 2999 vdev_ops_t *pvops; |
|
7313
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diff
changeset
|
3000 char *oldvdpath, *newvdpath; |
|
99e2110471bb
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diff
changeset
|
3001 int newvd_isspare; |
|
99e2110471bb
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diff
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|
3002 int error; |
| 789 | 3003 |
| 3004 txg = spa_vdev_enter(spa); | |
| 3005 | |
|
6643
3a34b0dbb107
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eschrock
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6615
diff
changeset
|
3006 oldvd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 3007 |
| 3008 if (oldvd == NULL) | |
| 3009 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 3010 | |
|
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diff
changeset
|
3011 if (!oldvd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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diff
changeset
|
3012 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
4ad213e858a9
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|
3013 |
| 789 | 3014 pvd = oldvd->vdev_parent; |
| 3015 | |
| 2082 | 3016 if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
| 4451 | 3017 VDEV_ALLOC_ADD)) != 0) |
| 3018 return (spa_vdev_exit(spa, NULL, txg, EINVAL)); | |
| 3019 | |
| 3020 if (newrootvd->vdev_children != 1) | |
| 789 | 3021 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
| 3022 | |
| 3023 newvd = newrootvd->vdev_child[0]; | |
| 3024 | |
| 3025 if (!newvd->vdev_ops->vdev_op_leaf) | |
| 3026 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); | |
| 3027 | |
| 2082 | 3028 if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
| 789 | 3029 return (spa_vdev_exit(spa, newrootvd, txg, error)); |
| 3030 | |
| 4527 | 3031 /* |
| 3032 * Spares can't replace logs | |
| 3033 */ | |
|
7326
a3c803100a09
6713886 hot spares of mirrored log devices should not be allowed
Eric Schrock <Eric.Schrock@Sun.COM>
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7313
diff
changeset
|
3034 if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare) |
| 4527 | 3035 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 3036 | |
| 2082 | 3037 if (!replacing) { |
| 3038 /* | |
| 3039 * For attach, the only allowable parent is a mirror or the root | |
| 3040 * vdev. | |
| 3041 */ | |
| 3042 if (pvd->vdev_ops != &vdev_mirror_ops && | |
| 3043 pvd->vdev_ops != &vdev_root_ops) | |
| 3044 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 3045 | |
| 3046 pvops = &vdev_mirror_ops; | |
| 3047 } else { | |
| 3048 /* | |
| 3049 * Active hot spares can only be replaced by inactive hot | |
| 3050 * spares. | |
| 3051 */ | |
| 3052 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 3053 pvd->vdev_child[1] == oldvd && | |
| 3054 !spa_has_spare(spa, newvd->vdev_guid)) | |
| 3055 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 3056 | |
| 3057 /* | |
| 3058 * If the source is a hot spare, and the parent isn't already a | |
| 3059 * spare, then we want to create a new hot spare. Otherwise, we | |
|
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|
3060 * want to create a replacing vdev. The user is not allowed to |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
3061 * attach to a spared vdev child unless the 'isspare' state is |
|
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|
3062 * 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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|
3063 * non-spare). |
| 2082 | 3064 */ |
| 3065 if (pvd->vdev_ops == &vdev_replacing_ops) | |
| 3066 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
|
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|
3067 else if (pvd->vdev_ops == &vdev_spare_ops && |
|
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|
3068 newvd->vdev_isspare != oldvd->vdev_isspare) |
|
a2fa338530c1
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|
3069 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2082 | 3070 else if (pvd->vdev_ops != &vdev_spare_ops && |
| 3071 newvd->vdev_isspare) | |
| 3072 pvops = &vdev_spare_ops; | |
| 3073 else | |
| 3074 pvops = &vdev_replacing_ops; | |
| 3075 } | |
| 3076 | |
|
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|
3077 /* |
|
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diff
changeset
|
3078 * Make sure the new device is big enough. |
|
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|
3079 */ |
|
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changeset
|
3080 if (newvd->vdev_asize < vdev_get_min_asize(oldvd)) |
| 789 | 3081 return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
| 3082 | |
| 1732 | 3083 /* |
| 3084 * The new device cannot have a higher alignment requirement | |
| 3085 * than the top-level vdev. | |
| 3086 */ | |
| 3087 if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) | |
| 789 | 3088 return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
| 3089 | |
| 3090 /* | |
| 3091 * If this is an in-place replacement, update oldvd's path and devid | |
| 3092 * to make it distinguishable from newvd, and unopenable from now on. | |
| 3093 */ | |
| 3094 if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { | |
| 3095 spa_strfree(oldvd->vdev_path); | |
| 3096 oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, | |
| 3097 KM_SLEEP); | |
| 3098 (void) sprintf(oldvd->vdev_path, "%s/%s", | |
| 3099 newvd->vdev_path, "old"); | |
| 3100 if (oldvd->vdev_devid != NULL) { | |
| 3101 spa_strfree(oldvd->vdev_devid); | |
| 3102 oldvd->vdev_devid = NULL; | |
| 3103 } | |
| 3104 } | |
| 3105 | |
| 3106 /* | |
| 2082 | 3107 * If the parent is not a mirror, or if we're replacing, insert the new |
| 3108 * mirror/replacing/spare vdev above oldvd. | |
| 789 | 3109 */ |
| 3110 if (pvd->vdev_ops != pvops) | |
| 3111 pvd = vdev_add_parent(oldvd, pvops); | |
| 3112 | |
| 3113 ASSERT(pvd->vdev_top->vdev_parent == rvd); | |
| 3114 ASSERT(pvd->vdev_ops == pvops); | |
| 3115 ASSERT(oldvd->vdev_parent == pvd); | |
| 3116 | |
| 3117 /* | |
| 3118 * Extract the new device from its root and add it to pvd. | |
| 3119 */ | |
| 3120 vdev_remove_child(newrootvd, newvd); | |
| 3121 newvd->vdev_id = pvd->vdev_children; | |
| 3122 vdev_add_child(pvd, newvd); | |
| 3123 | |
| 3124 tvd = newvd->vdev_top; | |
| 3125 ASSERT(pvd->vdev_top == tvd); | |
| 3126 ASSERT(tvd->vdev_parent == rvd); | |
| 3127 | |
| 3128 vdev_config_dirty(tvd); | |
| 3129 | |
| 3130 /* | |
| 3131 * Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate | |
| 3132 * upward when spa_vdev_exit() calls vdev_dtl_reassess(). | |
| 3133 */ | |
| 3134 open_txg = txg + TXG_CONCURRENT_STATES - 1; | |
| 3135 | |
|
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diff
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|
3136 vdev_dtl_dirty(newvd, DTL_MISSING, |
|
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diff
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|
3137 TXG_INITIAL, open_txg - TXG_INITIAL + 1); |
| 789 | 3138 |
|
9425
e7ffacaec3a8
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9276
diff
changeset
|
3139 if (newvd->vdev_isspare) { |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3140 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
|
3141 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
|
3142 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3143 |
|
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
|
3144 oldvdpath = spa_strdup(oldvd->vdev_path); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3145 newvdpath = spa_strdup(newvd->vdev_path); |
|
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3146 newvd_isspare = newvd->vdev_isspare; |
| 1544 | 3147 |
| 789 | 3148 /* |
| 3149 * Mark newvd's DTL dirty in this txg. | |
| 3150 */ | |
| 1732 | 3151 vdev_dirty(tvd, VDD_DTL, newvd, txg); |
| 789 | 3152 |
| 3153 (void) spa_vdev_exit(spa, newrootvd, open_txg, 0); | |
| 3154 | |
|
9946
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3155 spa_history_internal_log(LOG_POOL_VDEV_ATTACH, spa, NULL, |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3156 CRED(), "%s vdev=%s %s vdev=%s", |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3157 replacing && newvd_isspare ? "spare in" : |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3158 replacing ? "replace" : "attach", newvdpath, |
|
86a051e72232
6842809 zfs history needs to record system info on import/create
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9816
diff
changeset
|
3159 replacing ? "for" : "to", oldvdpath); |
|
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3160 |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3161 spa_strfree(oldvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3162 spa_strfree(newvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3163 |
| 789 | 3164 /* |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3165 * Kick off a resilver to update newvd. |
| 789 | 3166 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3167 VERIFY3U(spa_scrub(spa, POOL_SCRUB_RESILVER), ==, 0); |
| 789 | 3168 |
| 3169 return (0); | |
| 3170 } | |
| 3171 | |
| 3172 /* | |
| 3173 * Detach a device from a mirror or replacing vdev. | |
| 3174 * If 'replace_done' is specified, only detach if the parent | |
| 3175 * is a replacing vdev. | |
| 3176 */ | |
| 3177 int | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3178 spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done) |
| 789 | 3179 { |
| 3180 uint64_t txg; | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3181 int error; |
| 789 | 3182 vdev_t *rvd = spa->spa_root_vdev; |
| 3183 vdev_t *vd, *pvd, *cvd, *tvd; | |
| 2082 | 3184 boolean_t unspare = B_FALSE; |
| 3185 uint64_t unspare_guid; | |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3186 size_t len; |
| 789 | 3187 |
| 3188 txg = spa_vdev_enter(spa); | |
| 3189 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3190 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 3191 |
| 3192 if (vd == NULL) | |
| 3193 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 3194 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3195 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3196 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
|
3197 |
| 789 | 3198 pvd = vd->vdev_parent; |
| 3199 | |
| 3200 /* | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3201 * If the parent/child relationship is not as expected, don't do it. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3202 * 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:
8211
diff
changeset
|
3203 * 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
|
3204 * 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:
8211
diff
changeset
|
3205 * 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:
8211
diff
changeset
|
3206 * 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:
8211
diff
changeset
|
3207 * 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
|
3208 * 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:
8211
diff
changeset
|
3209 * 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:
8211
diff
changeset
|
3210 * 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
|
3211 * 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
|
3212 */ |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3213 if (pvd->vdev_guid != pguid && pguid != 0) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3214 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3215 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3216 /* |
| 789 | 3217 * If replace_done is specified, only remove this device if it's |
| 2082 | 3218 * the first child of a replacing vdev. For the 'spare' vdev, either |
| 3219 * disk can be removed. | |
| 789 | 3220 */ |
| 2082 | 3221 if (replace_done) { |
| 3222 if (pvd->vdev_ops == &vdev_replacing_ops) { | |
| 3223 if (vd->vdev_id != 0) | |
| 3224 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3225 } else if (pvd->vdev_ops != &vdev_spare_ops) { | |
| 3226 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3227 } | |
| 3228 } | |
| 3229 | |
| 3230 ASSERT(pvd->vdev_ops != &vdev_spare_ops || | |
| 4577 | 3231 spa_version(spa) >= SPA_VERSION_SPARES); |
| 789 | 3232 |
| 3233 /* | |
| 2082 | 3234 * Only mirror, replacing, and spare vdevs support detach. |
| 789 | 3235 */ |
| 3236 if (pvd->vdev_ops != &vdev_replacing_ops && | |
| 2082 | 3237 pvd->vdev_ops != &vdev_mirror_ops && |
| 3238 pvd->vdev_ops != &vdev_spare_ops) | |
| 789 | 3239 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
| 3240 | |
| 3241 /* | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3242 * 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:
8211
diff
changeset
|
3243 * we cannot safely detach it. |
| 789 | 3244 */ |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3245 if (vdev_dtl_required(vd)) |
| 789 | 3246 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
| 3247 | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3248 ASSERT(pvd->vdev_children >= 2); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3249 |
| 789 | 3250 /* |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3251 * 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
|
3252 * 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
|
3253 * 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
|
3254 */ |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3255 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
|
3256 pvd->vdev_child[0]->vdev_path != NULL && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3257 pvd->vdev_child[1]->vdev_path != NULL) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3258 ASSERT(pvd->vdev_child[1] == vd); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3259 cvd = pvd->vdev_child[0]; |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3260 len = strlen(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3261 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
|
3262 strcmp(cvd->vdev_path + len, "/old") == 0) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3263 spa_strfree(cvd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3264 cvd->vdev_path = spa_strdup(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3265 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3266 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3267 |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3268 /* |
| 2082 | 3269 * If we are detaching the original disk from a spare, then it implies |
| 3270 * that the spare should become a real disk, and be removed from the | |
| 3271 * active spare list for the pool. | |
| 3272 */ | |
| 3273 if (pvd->vdev_ops == &vdev_spare_ops && | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3274 vd->vdev_id == 0 && pvd->vdev_child[1]->vdev_isspare) |
| 2082 | 3275 unspare = B_TRUE; |
| 3276 | |
| 3277 /* | |
| 789 | 3278 * Erase the disk labels so the disk can be used for other things. |
| 3279 * This must be done after all other error cases are handled, | |
| 3280 * but before we disembowel vd (so we can still do I/O to it). | |
| 3281 * But if we can't do it, don't treat the error as fatal -- | |
| 3282 * it may be that the unwritability of the disk is the reason | |
| 3283 * it's being detached! | |
| 3284 */ | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3285 error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
| 789 | 3286 |
| 3287 /* | |
| 3288 * Remove vd from its parent and compact the parent's children. | |
| 3289 */ | |
| 3290 vdev_remove_child(pvd, vd); | |
| 3291 vdev_compact_children(pvd); | |
| 3292 | |
| 3293 /* | |
| 3294 * Remember one of the remaining children so we can get tvd below. | |
| 3295 */ | |
| 3296 cvd = pvd->vdev_child[0]; | |
| 3297 | |
| 3298 /* | |
| 2082 | 3299 * If we need to remove the remaining child from the list of hot spares, |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3300 * 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
|
3301 * 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
|
3302 * 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
|
3303 * 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
|
3304 * 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
|
3305 * the subsequent attempt to spa_vdev_remove(unspare_guid) would fail. |
| 2082 | 3306 */ |
| 3307 if (unspare) { | |
| 3308 ASSERT(cvd->vdev_isspare); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3309 spa_spare_remove(cvd); |
| 2082 | 3310 unspare_guid = cvd->vdev_guid; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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8211
diff
changeset
|
3311 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
| 2082 | 3312 } |
| 3313 | |
| 3314 /* | |
| 789 | 3315 * If the parent mirror/replacing vdev only has one child, |
| 3316 * the parent is no longer needed. Remove it from the tree. | |
| 3317 */ | |
| 3318 if (pvd->vdev_children == 1) | |
| 3319 vdev_remove_parent(cvd); | |
| 3320 | |
| 3321 /* | |
| 3322 * We don't set tvd until now because the parent we just removed | |
| 3323 * may have been the previous top-level vdev. | |
| 3324 */ | |
| 3325 tvd = cvd->vdev_top; | |
| 3326 ASSERT(tvd->vdev_parent == rvd); | |
| 3327 | |
| 3328 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3329 * Reevaluate the parent vdev state. |
| 789 | 3330 */ |
| 4451 | 3331 vdev_propagate_state(cvd); |
| 789 | 3332 |
| 3333 /* | |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3334 * 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
|
3335 * 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
|
3336 * 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
|
3337 * 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
|
3338 * first so that we can obtain the updated sizes of the leaf vdevs. |
| 789 | 3339 */ |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3340 if (spa->spa_autoexpand) { |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3341 vdev_reopen(tvd); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3342 vdev_expand(tvd, txg); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
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diff
changeset
|
3343 } |
| 789 | 3344 |
| 3345 vdev_config_dirty(tvd); | |
| 3346 | |
| 3347 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3348 * 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
|
3349 * 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
|
3350 * 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
|
3351 * prevent vd from being accessed after it's freed. |
| 789 | 3352 */ |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3353 for (int t = 0; t < TXG_SIZE; t++) |
| 789 | 3354 (void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); |
| 1732 | 3355 vd->vdev_detached = B_TRUE; |
| 3356 vdev_dirty(tvd, VDD_DTL, vd, txg); | |
| 789 | 3357 |
| 4451 | 3358 spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
| 3359 | |
| 2082 | 3360 error = spa_vdev_exit(spa, vd, txg, 0); |
| 3361 | |
| 3362 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3363 * 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
|
3364 * 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
|
3365 * list of every other pool. |
| 2082 | 3366 */ |
| 3367 if (unspare) { | |
|
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
|
3368 spa_t *myspa = spa; |
| 2082 | 3369 spa = NULL; |
| 3370 mutex_enter(&spa_namespace_lock); | |
| 3371 while ((spa = spa_next(spa)) != NULL) { | |
| 3372 if (spa->spa_state != POOL_STATE_ACTIVE) | |
| 3373 continue; | |
|
8241
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
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|
3374 if (spa == myspa) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3375 continue; |
|
7793
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7754
diff
changeset
|
3376 spa_open_ref(spa, FTAG); |
|
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7754
diff
changeset
|
3377 mutex_exit(&spa_namespace_lock); |
| 2082 | 3378 (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>
parents:
7754
diff
changeset
|
3379 mutex_enter(&spa_namespace_lock); |
|
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7754
diff
changeset
|
3380 spa_close(spa, FTAG); |
| 2082 | 3381 } |
| 3382 mutex_exit(&spa_namespace_lock); | |
| 3383 } | |
| 3384 | |
| 3385 return (error); | |
| 3386 } | |
| 3387 | |
|
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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diff
changeset
|
3388 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
|
3389 spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid) |
| 2082 | 3390 { |
|
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
|
3391 for (int i = 0; i < count; i++) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3392 uint64_t guid; |
|
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
|
3393 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3394 VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID, |
|
b80e4842ad54
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parents:
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diff
changeset
|
3395 &guid) == 0); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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parents:
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diff
changeset
|
3396 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3397 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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diff
changeset
|
3398 return (nvpp[i]); |
| 2082 | 3399 } |
| 3400 | |
|
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
|
3401 return (NULL); |
| 5450 | 3402 } |
| 3403 | |
|
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
|
3404 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
|
3405 spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count, |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3406 nvlist_t *dev_to_remove) |
| 5450 | 3407 { |
|
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
|
3408 nvlist_t **newdev = NULL; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3409 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3410 if (count > 1) |
|
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
|
3411 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:
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diff
changeset
|
3412 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3413 for (int i = 0, j = 0; i < count; i++) { |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3414 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
|
3415 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
|
3416 VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0); |
| 5450 | 3417 } |
| 3418 | |
|
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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diff
changeset
|
3419 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>
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diff
changeset
|
3420 VERIFY(nvlist_add_nvlist_array(config, name, newdev, count - 1) == 0); |
|
b80e4842ad54
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3421 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3422 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:
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diff
changeset
|
3423 nvlist_free(newdev[i]); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3424 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3425 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
|
3426 kmem_free(newdev, (count - 1) * sizeof (void *)); |
| 5450 | 3427 } |
| 3428 | |
| 3429 /* | |
| 3430 * Remove a device from the pool. Currently, this supports removing only hot | |
| 3431 * spares and level 2 ARC devices. | |
| 3432 */ | |
| 3433 int | |
| 3434 spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) | |
| 3435 { | |
| 3436 vdev_t *vd; | |
|
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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diff
changeset
|
3437 nvlist_t **spares, **l2cache, *nv; |
| 5450 | 3438 uint_t nspares, nl2cache; |
|
8241
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6328632 zpool offline is a bit too conservative
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diff
changeset
|
3439 uint64_t txg = 0; |
| 5450 | 3440 int error = 0; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3441 boolean_t locked = MUTEX_HELD(&spa_namespace_lock); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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diff
changeset
|
3442 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3443 if (!locked) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3444 txg = spa_vdev_enter(spa); |
| 5450 | 3445 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3446 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 5450 | 3447 |
| 3448 if (spa->spa_spares.sav_vdevs != NULL && | |
| 3449 nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, | |
|
7754
b80e4842ad54
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diff
changeset
|
3450 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0 && |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3451 (nv = spa_nvlist_lookup_by_guid(spares, nspares, guid)) != NULL) { |
|
b80e4842ad54
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diff
changeset
|
3452 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3453 * Only remove the hot spare if it's not currently in use |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3454 * in this pool. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3455 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3456 if (vd == NULL || unspare) { |
|
b80e4842ad54
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diff
changeset
|
3457 spa_vdev_remove_aux(spa->spa_spares.sav_config, |
|
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diff
changeset
|
3458 ZPOOL_CONFIG_SPARES, spares, nspares, nv); |
|
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diff
changeset
|
3459 spa_load_spares(spa); |
|
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diff
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|
3460 spa->spa_spares.sav_sync = B_TRUE; |
|
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diff
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|
3461 } else { |
|
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changeset
|
3462 error = EBUSY; |
|
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|
3463 } |
|
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|
3464 } else if (spa->spa_l2cache.sav_vdevs != NULL && |
| 5450 | 3465 nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, |
|
7754
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|
3466 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0 && |
|
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|
3467 (nv = spa_nvlist_lookup_by_guid(l2cache, nl2cache, guid)) != NULL) { |
|
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3468 /* |
|
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|
3469 * Cache devices can always be removed. |
|
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|
3470 */ |
|
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|
3471 spa_vdev_remove_aux(spa->spa_l2cache.sav_config, |
|
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|
3472 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache, nv); |
| 5450 | 3473 spa_load_l2cache(spa); |
| 3474 spa->spa_l2cache.sav_sync = B_TRUE; | |
|
7754
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|
3475 } else if (vd != NULL) { |
|
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|
3476 /* |
|
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|
3477 * Normal vdevs cannot be removed (yet). |
|
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|
3478 */ |
|
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|
3479 error = ENOTSUP; |
|
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|
3480 } else { |
|
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|
3481 /* |
|
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changeset
|
3482 * There is no vdev of any kind with the specified guid. |
|
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|
3483 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3484 error = ENOENT; |
| 5450 | 3485 } |
| 2082 | 3486 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3487 if (!locked) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3488 return (spa_vdev_exit(spa, NULL, txg, error)); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3489 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3490 return (error); |
| 789 | 3491 } |
| 3492 | |
| 3493 /* | |
| 4451 | 3494 * Find any device that's done replacing, or a vdev marked 'unspare' that's |
| 3495 * current spared, so we can detach it. | |
| 789 | 3496 */ |
| 1544 | 3497 static vdev_t * |
| 4451 | 3498 spa_vdev_resilver_done_hunt(vdev_t *vd) |
| 789 | 3499 { |
| 1544 | 3500 vdev_t *newvd, *oldvd; |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3501 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3502 for (int c = 0; c < vd->vdev_children; c++) { |
| 4451 | 3503 oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
| 1544 | 3504 if (oldvd != NULL) |
| 3505 return (oldvd); | |
| 3506 } | |
| 789 | 3507 |
| 4451 | 3508 /* |
| 3509 * Check for a completed replacement. | |
| 3510 */ | |
| 789 | 3511 if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) { |
| 1544 | 3512 oldvd = vd->vdev_child[0]; |
| 3513 newvd = vd->vdev_child[1]; | |
| 789 | 3514 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3515 if (vdev_dtl_empty(newvd, DTL_MISSING) && |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3516 !vdev_dtl_required(oldvd)) |
| 1544 | 3517 return (oldvd); |
| 3518 } | |
| 789 | 3519 |
| 4451 | 3520 /* |
| 3521 * Check for a completed resilver with the 'unspare' flag set. | |
| 3522 */ | |
| 3523 if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) { | |
| 3524 newvd = vd->vdev_child[0]; | |
| 3525 oldvd = vd->vdev_child[1]; | |
| 3526 | |
| 3527 if (newvd->vdev_unspare && | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3528 vdev_dtl_empty(newvd, DTL_MISSING) && |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3529 !vdev_dtl_required(oldvd)) { |
| 4451 | 3530 newvd->vdev_unspare = 0; |
| 3531 return (oldvd); | |
| 3532 } | |
| 3533 } | |
| 3534 | |
| 1544 | 3535 return (NULL); |
| 789 | 3536 } |
| 3537 | |
| 1544 | 3538 static void |
| 4451 | 3539 spa_vdev_resilver_done(spa_t *spa) |
| 789 | 3540 { |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3541 vdev_t *vd, *pvd, *ppvd; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3542 uint64_t guid, sguid, pguid, ppguid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3543 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3544 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3545 |
| 4451 | 3546 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
|
3547 pvd = vd->vdev_parent; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3548 ppvd = pvd->vdev_parent; |
| 1544 | 3549 guid = vd->vdev_guid; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3550 pguid = pvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3551 ppguid = ppvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3552 sguid = 0; |
| 2082 | 3553 /* |
| 3554 * If we have just finished replacing a hot spared device, then | |
| 3555 * we need to detach the parent's first child (the original hot | |
| 3556 * spare) as well. | |
| 3557 */ | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3558 if (ppvd->vdev_ops == &vdev_spare_ops && pvd->vdev_id == 0) { |
| 2082 | 3559 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
|
3560 ASSERT(ppvd->vdev_children == 2); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3561 sguid = ppvd->vdev_child[1]->vdev_guid; |
| 2082 | 3562 } |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3563 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
|
3564 if (spa_vdev_detach(spa, guid, pguid, B_TRUE) != 0) |
| 1544 | 3565 return; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3566 if (sguid && spa_vdev_detach(spa, sguid, ppguid, B_TRUE) != 0) |
| 2082 | 3567 return; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3568 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3569 } |
| 3570 | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3571 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 3572 } |
| 3573 | |
| 3574 /* | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3575 * 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
|
3576 * 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
|
3577 */ |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3578 int |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3579 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
|
3580 boolean_t ispath) |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3581 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3582 vdev_t *vd; |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3583 uint64_t txg; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3584 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3585 txg = spa_vdev_enter(spa); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3586 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3587 if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) |
| 5450 | 3588 return (spa_vdev_exit(spa, NULL, txg, ENOENT)); |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3589 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3590 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3591 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
|
3592 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3593 if (ispath) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3594 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
|
3595 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
|
3596 } else { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3597 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
|
3598 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
|
3599 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
|
3600 } |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3601 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3602 vdev_config_dirty(vd->vdev_top); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3603 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3604 return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3605 } |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3606 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3607 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3608 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
|
3609 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3610 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
|
3611 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3612 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3613 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3614 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
|
3615 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3616 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
|
3617 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3618 |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3619 /* |
| 789 | 3620 * ========================================================================== |
| 3621 * SPA Scrubbing | |
| 3622 * ========================================================================== | |
| 3623 */ | |
| 3624 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3625 int |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3626 spa_scrub(spa_t *spa, pool_scrub_type_t type) |
| 789 | 3627 { |
|
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
|
3628 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); |
| 4808 | 3629 |
| 789 | 3630 if ((uint_t)type >= POOL_SCRUB_TYPES) |
| 3631 return (ENOTSUP); | |
| 3632 | |
| 3633 /* | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3634 * 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
|
3635 * writeable leaf device, we have nothing to do. |
| 789 | 3636 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3637 if (type == POOL_SCRUB_RESILVER && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3638 !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
|
3639 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 1544 | 3640 return (0); |
| 3641 } | |
| 789 | 3642 |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3643 if (type == POOL_SCRUB_EVERYTHING && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3644 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
|
3645 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
|
3646 return (EBUSY); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3647 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3648 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
|
3649 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
|
3650 } else if (type == POOL_SCRUB_NONE) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3651 return (dsl_pool_scrub_cancel(spa->spa_dsl_pool)); |
| 1544 | 3652 } else { |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3653 return (EINVAL); |
| 1544 | 3654 } |
| 789 | 3655 } |
| 3656 | |
| 1544 | 3657 /* |
| 3658 * ========================================================================== | |
| 3659 * SPA async task processing | |
| 3660 * ========================================================================== | |
| 3661 */ | |
| 3662 | |
| 3663 static void | |
| 4451 | 3664 spa_async_remove(spa_t *spa, vdev_t *vd) |
| 789 | 3665 { |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3666 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
|
3667 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
|
3668 vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE); |
|
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
|
3669 vdev_clear(spa, 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
|
3670 vdev_state_dirty(vd->vdev_top); |
| 1544 | 3671 } |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3672 |
|
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
|
3673 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
|
3674 spa_async_remove(spa, vd->vdev_child[c]); |
| 1544 | 3675 } |
| 3676 | |
| 3677 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
|
3678 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
|
3679 { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3680 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
|
3681 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
|
3682 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
|
3683 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3684 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3685 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
|
3686 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
|
3687 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3688 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3689 static void |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3690 spa_async_autoexpand(spa_t *spa, vdev_t *vd) |
|
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 sysevent_id_t eid; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3693 nvlist_t *attr; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3694 char *physpath; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3695 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3696 if (!spa->spa_autoexpand) |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3697 return; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3698 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3699 for (int c = 0; c < vd->vdev_children; c++) { |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3700 vdev_t *cvd = vd->vdev_child[c]; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3701 spa_async_autoexpand(spa, cvd); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3702 } |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3703 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3704 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:
9790
diff
changeset
|
3705 return; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3706 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3707 physpath = kmem_zalloc(MAXPATHLEN, KM_SLEEP); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3708 (void) snprintf(physpath, MAXPATHLEN, "/devices%s", vd->vdev_physpath); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3709 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3710 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
|
3711 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
|
3712 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3713 (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
|
3714 ESC_DEV_DLE, attr, &eid, DDI_SLEEP); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3715 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3716 nvlist_free(attr); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3717 kmem_free(physpath, MAXPATHLEN); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3718 } |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3719 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3720 static void |
| 1544 | 3721 spa_async_thread(spa_t *spa) |
| 3722 { | |
|
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
|
3723 int tasks; |
| 1544 | 3724 |
| 3725 ASSERT(spa->spa_sync_on); | |
| 789 | 3726 |
| 1544 | 3727 mutex_enter(&spa->spa_async_lock); |
| 3728 tasks = spa->spa_async_tasks; | |
| 3729 spa->spa_async_tasks = 0; | |
| 3730 mutex_exit(&spa->spa_async_lock); | |
| 3731 | |
| 3732 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3733 * 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
|
3734 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3735 if (tasks & SPA_ASYNC_CONFIG_UPDATE) { |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3736 uint64_t oldsz, space_update; |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3737 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3738 mutex_enter(&spa_namespace_lock); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3739 oldsz = spa_get_space(spa); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3740 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
|
3741 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
|
3742 mutex_exit(&spa_namespace_lock); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3743 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3744 /* |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3745 * 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
|
3746 * then log an internal history event. |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3747 */ |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3748 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
|
3749 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
|
3750 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
|
3751 "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
|
3752 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
|
3753 space_update); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3754 } |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3755 } |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3756 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3757 /* |
| 4451 | 3758 * See if any devices need to be marked REMOVED. |
| 1544 | 3759 */ |
|
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
|
3760 if (tasks & SPA_ASYNC_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
|
3761 spa_vdev_state_enter(spa); |
| 4451 | 3762 spa_async_remove(spa, spa->spa_root_vdev); |
|
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
|
3763 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
|
3764 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>
parents:
7706
diff
changeset
|
3765 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
|
3766 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
|
3767 (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>
parents:
7706
diff
changeset
|
3768 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3769 |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3770 if ((tasks & SPA_ASYNC_AUTOEXPAND) && !spa_suspended(spa)) { |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3771 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3772 spa_async_autoexpand(spa, spa->spa_root_vdev); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3773 spa_config_exit(spa, SCL_CONFIG, FTAG); |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3774 } |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
3775 |
|
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
|
3776 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3777 * See if any devices need to be probed. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3778 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3779 if (tasks & SPA_ASYNC_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
|
3780 spa_vdev_state_enter(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
|
3781 spa_async_probe(spa, spa->spa_root_vdev); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3782 (void) spa_vdev_state_exit(spa, NULL, 0); |
| 4451 | 3783 } |
| 1544 | 3784 |
| 3785 /* | |
| 3786 * If any devices are done replacing, detach them. | |
| 3787 */ | |
| 4451 | 3788 if (tasks & SPA_ASYNC_RESILVER_DONE) |
| 3789 spa_vdev_resilver_done(spa); | |
| 789 | 3790 |
| 1544 | 3791 /* |
| 3792 * Kick off a resilver. | |
| 3793 */ | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3794 if (tasks & SPA_ASYNC_RESILVER) |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3795 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER) == 0); |
| 1544 | 3796 |
| 3797 /* | |
| 3798 * Let the world know that we're done. | |
| 3799 */ | |
| 3800 mutex_enter(&spa->spa_async_lock); | |
| 3801 spa->spa_async_thread = NULL; | |
| 3802 cv_broadcast(&spa->spa_async_cv); | |
| 3803 mutex_exit(&spa->spa_async_lock); | |
| 3804 thread_exit(); | |
| 3805 } | |
| 3806 | |
| 3807 void | |
| 3808 spa_async_suspend(spa_t *spa) | |
| 3809 { | |
| 3810 mutex_enter(&spa->spa_async_lock); | |
| 3811 spa->spa_async_suspended++; | |
| 3812 while (spa->spa_async_thread != NULL) | |
| 3813 cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); | |
| 3814 mutex_exit(&spa->spa_async_lock); | |
| 3815 } | |
| 3816 | |
| 3817 void | |
| 3818 spa_async_resume(spa_t *spa) | |
| 3819 { | |
| 3820 mutex_enter(&spa->spa_async_lock); | |
| 3821 ASSERT(spa->spa_async_suspended != 0); | |
| 3822 spa->spa_async_suspended--; | |
| 3823 mutex_exit(&spa->spa_async_lock); | |
| 3824 } | |
| 3825 | |
| 3826 static void | |
| 3827 spa_async_dispatch(spa_t *spa) | |
| 3828 { | |
| 3829 mutex_enter(&spa->spa_async_lock); | |
| 3830 if (spa->spa_async_tasks && !spa->spa_async_suspended && | |
|
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3831 spa->spa_async_thread == NULL && |
|
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|
3832 rootdir != NULL && !vn_is_readonly(rootdir)) |
| 1544 | 3833 spa->spa_async_thread = thread_create(NULL, 0, |
| 3834 spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); | |
| 3835 mutex_exit(&spa->spa_async_lock); | |
| 3836 } | |
| 3837 | |
| 3838 void | |
| 3839 spa_async_request(spa_t *spa, int task) | |
| 3840 { | |
| 3841 mutex_enter(&spa->spa_async_lock); | |
| 3842 spa->spa_async_tasks |= task; | |
| 3843 mutex_exit(&spa->spa_async_lock); | |
| 789 | 3844 } |
| 3845 | |
| 3846 /* | |
| 3847 * ========================================================================== | |
| 3848 * SPA syncing routines | |
| 3849 * ========================================================================== | |
| 3850 */ | |
| 3851 | |
| 3852 static void | |
| 3853 spa_sync_deferred_frees(spa_t *spa, uint64_t txg) | |
| 3854 { | |
| 3855 bplist_t *bpl = &spa->spa_sync_bplist; | |
| 3856 dmu_tx_t *tx; | |
| 3857 blkptr_t blk; | |
| 3858 uint64_t itor = 0; | |
| 3859 zio_t *zio; | |
| 3860 int error; | |
| 3861 uint8_t c = 1; | |
| 3862 | |
|
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|
3863 zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); |
|
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|
3864 |
|
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|
3865 while (bplist_iterate(bpl, &itor, &blk) == 0) { |
|
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|
3866 ASSERT(blk.blk_birth < txg); |
|
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|
3867 zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL, |
|
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3868 ZIO_FLAG_MUSTSUCCEED)); |
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|
3869 } |
| 789 | 3870 |
| 3871 error = zio_wait(zio); | |
| 3872 ASSERT3U(error, ==, 0); | |
| 3873 | |
| 3874 tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); | |
| 3875 bplist_vacate(bpl, tx); | |
| 3876 | |
| 3877 /* | |
| 3878 * Pre-dirty the first block so we sync to convergence faster. | |
| 3879 * (Usually only the first block is needed.) | |
| 3880 */ | |
| 3881 dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); | |
| 3882 dmu_tx_commit(tx); | |
| 3883 } | |
| 3884 | |
| 3885 static void | |
| 2082 | 3886 spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
| 3887 { | |
| 3888 char *packed = NULL; | |
|
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|
3889 size_t bufsize; |
| 2082 | 3890 size_t nvsize = 0; |
| 3891 dmu_buf_t *db; | |
| 3892 | |
| 3893 VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); | |
| 3894 | |
|
7497
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|
3895 /* |
|
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|
3896 * Write full (SPA_CONFIG_BLOCKSIZE) blocks of configuration |
|
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|
3897 * information. This avoids the dbuf_will_dirty() path and |
|
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|
3898 * saves us a pre-read to get data we don't actually care about. |
|
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|
3899 */ |
|
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|
3900 bufsize = P2ROUNDUP(nvsize, SPA_CONFIG_BLOCKSIZE); |
|
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|
3901 packed = kmem_alloc(bufsize, KM_SLEEP); |
| 2082 | 3902 |
| 3903 VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, | |
| 3904 KM_SLEEP) == 0); | |
|
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diff
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|
3905 bzero(packed + nvsize, bufsize - nvsize); |
|
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|
3906 |
|
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|
3907 dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx); |
|
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3908 |
|
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|
3909 kmem_free(packed, bufsize); |
| 2082 | 3910 |
| 3911 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 3912 dmu_buf_will_dirty(db, tx); | |
| 3913 *(uint64_t *)db->db_data = nvsize; | |
| 3914 dmu_buf_rele(db, FTAG); | |
| 3915 } | |
| 3916 | |
| 3917 static void | |
| 5450 | 3918 spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, |
| 3919 const char *config, const char *entry) | |
| 2082 | 3920 { |
| 3921 nvlist_t *nvroot; | |
| 5450 | 3922 nvlist_t **list; |
| 2082 | 3923 int i; |
| 3924 | |
| 5450 | 3925 if (!sav->sav_sync) |
| 2082 | 3926 return; |
| 3927 | |
| 3928 /* | |
| 5450 | 3929 * Update the MOS nvlist describing the list of available devices. |
| 3930 * spa_validate_aux() will have already made sure this nvlist is | |
| 4451 | 3931 * valid and the vdevs are labeled appropriately. |
| 2082 | 3932 */ |
| 5450 | 3933 if (sav->sav_object == 0) { |
| 3934 sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 3935 DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, | |
| 3936 sizeof (uint64_t), tx); | |
| 2082 | 3937 VERIFY(zap_update(spa->spa_meta_objset, |
| 5450 | 3938 DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, |
| 3939 &sav->sav_object, tx) == 0); | |
| 2082 | 3940 } |
| 3941 | |
| 3942 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 5450 | 3943 if (sav->sav_count == 0) { |
| 3944 VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); | |
| 2082 | 3945 } else { |
| 5450 | 3946 list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
| 3947 for (i = 0; i < sav->sav_count; i++) | |
| 3948 list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], | |
| 3949 B_FALSE, B_FALSE, B_TRUE); | |
| 3950 VERIFY(nvlist_add_nvlist_array(nvroot, config, list, | |
| 3951 sav->sav_count) == 0); | |
| 3952 for (i = 0; i < sav->sav_count; i++) | |
| 3953 nvlist_free(list[i]); | |
| 3954 kmem_free(list, sav->sav_count * sizeof (void *)); | |
| 2082 | 3955 } |
| 3956 | |
| 5450 | 3957 spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); |
| 2926 | 3958 nvlist_free(nvroot); |
| 2082 | 3959 |
| 5450 | 3960 sav->sav_sync = B_FALSE; |
| 2082 | 3961 } |
| 3962 | |
| 3963 static void | |
| 789 | 3964 spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
| 3965 { | |
| 3966 nvlist_t *config; | |
| 3967 | |
|
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|
3968 if (list_is_empty(&spa->spa_config_dirty_list)) |
| 789 | 3969 return; |
| 3970 | |
|
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|
3971 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
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3972 |
|
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|
3973 config = spa_config_generate(spa, spa->spa_root_vdev, |
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3974 dmu_tx_get_txg(tx), B_FALSE); |
|
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3975 |
|
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|
3976 spa_config_exit(spa, SCL_STATE, FTAG); |
| 789 | 3977 |
|
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3978 if (spa->spa_config_syncing) |
|
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3979 nvlist_free(spa->spa_config_syncing); |
|
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|
3980 spa->spa_config_syncing = config; |
| 789 | 3981 |
| 2082 | 3982 spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
| 789 | 3983 } |
| 3984 | |
| 5094 | 3985 /* |
| 3986 * Set zpool properties. | |
| 3987 */ | |
| 3912 | 3988 static void |
| 4543 | 3989 spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
| 3912 | 3990 { |
| 3991 spa_t *spa = arg1; | |
| 5094 | 3992 objset_t *mos = spa->spa_meta_objset; |
| 3912 | 3993 nvlist_t *nvp = arg2; |
| 5094 | 3994 nvpair_t *elem; |
| 4451 | 3995 uint64_t intval; |
|
6643
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|
3996 char *strval; |
| 5094 | 3997 zpool_prop_t prop; |
| 3998 const char *propname; | |
| 3999 zprop_type_t proptype; | |
| 4000 | |
|
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4001 mutex_enter(&spa->spa_props_lock); |
|
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4002 |
| 5094 | 4003 elem = NULL; |
| 4004 while ((elem = nvlist_next_nvpair(nvp, elem))) { | |
| 4005 switch (prop = zpool_name_to_prop(nvpair_name(elem))) { | |
| 4006 case ZPOOL_PROP_VERSION: | |
| 4007 /* | |
| 4008 * Only set version for non-zpool-creation cases | |
| 4009 * (set/import). spa_create() needs special care | |
| 4010 * for version setting. | |
| 4011 */ | |
| 4012 if (tx->tx_txg != TXG_INITIAL) { | |
| 4013 VERIFY(nvpair_value_uint64(elem, | |
| 4014 &intval) == 0); | |
| 4015 ASSERT(intval <= SPA_VERSION); | |
| 4016 ASSERT(intval >= spa_version(spa)); | |
| 4017 spa->spa_uberblock.ub_version = intval; | |
| 4018 vdev_config_dirty(spa->spa_root_vdev); | |
| 4019 } | |
| 4020 break; | |
| 4021 | |
| 4022 case ZPOOL_PROP_ALTROOT: | |
| 4023 /* | |
| 4024 * 'altroot' is a non-persistent property. It should | |
| 4025 * have been set temporarily at creation or import time. | |
| 4026 */ | |
| 4027 ASSERT(spa->spa_root != NULL); | |
| 4028 break; | |
| 4029 | |
| 5363 | 4030 case ZPOOL_PROP_CACHEFILE: |
| 5094 | 4031 /* |
|
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6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
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|
4032 * 'cachefile' is also a non-persisitent property. |
| 5094 | 4033 */ |
| 4543 | 4034 break; |
| 5094 | 4035 default: |
| 4036 /* | |
| 4037 * Set pool property values in the poolprops mos object. | |
| 4038 */ | |
| 4039 if (spa->spa_pool_props_object == 0) { | |
| 4040 objset_t *mos = spa->spa_meta_objset; | |
| 4041 | |
| 4042 VERIFY((spa->spa_pool_props_object = | |
| 4043 zap_create(mos, DMU_OT_POOL_PROPS, | |
| 4044 DMU_OT_NONE, 0, tx)) > 0); | |
| 4045 | |
| 4046 VERIFY(zap_update(mos, | |
| 4047 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, | |
| 4048 8, 1, &spa->spa_pool_props_object, tx) | |
| 4049 == 0); | |
| 4050 } | |
| 4051 | |
| 4052 /* normalize the property name */ | |
| 4053 propname = zpool_prop_to_name(prop); | |
| 4054 proptype = zpool_prop_get_type(prop); | |
| 4055 | |
| 4056 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 4057 ASSERT(proptype == PROP_TYPE_STRING); | |
| 4058 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 4059 VERIFY(zap_update(mos, | |
| 4060 spa->spa_pool_props_object, propname, | |
| 4061 1, strlen(strval) + 1, strval, tx) == 0); | |
| 4062 | |
| 4063 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { | |
| 4064 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 4065 | |
| 4066 if (proptype == PROP_TYPE_INDEX) { | |
| 4067 const char *unused; | |
| 4068 VERIFY(zpool_prop_index_to_string( | |
| 4069 prop, intval, &unused) == 0); | |
| 4070 } | |
| 4071 VERIFY(zap_update(mos, | |
| 4072 spa->spa_pool_props_object, propname, | |
| 4073 8, 1, &intval, tx) == 0); | |
| 4074 } else { | |
| 4075 ASSERT(0); /* not allowed */ | |
| 4076 } | |
| 4077 | |
| 5329 | 4078 switch (prop) { |
| 4079 case ZPOOL_PROP_DELEGATION: | |
| 5094 | 4080 spa->spa_delegation = intval; |
| 5329 | 4081 break; |
| 4082 case ZPOOL_PROP_BOOTFS: | |
| 5094 | 4083 spa->spa_bootfs = intval; |
| 5329 | 4084 break; |
| 4085 case ZPOOL_PROP_FAILUREMODE: | |
| 4086 spa->spa_failmode = intval; | |
| 4087 break; | |
|
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4088 case ZPOOL_PROP_AUTOEXPAND: |
|
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4089 spa->spa_autoexpand = intval; |
|
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4090 spa_async_request(spa, SPA_ASYNC_AUTOEXPAND); |
|
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4091 break; |
| 5329 | 4092 default: |
| 4093 break; | |
| 4094 } | |
| 3912 | 4095 } |
| 5094 | 4096 |
| 4097 /* log internal history if this is not a zpool create */ | |
| 4098 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && | |
| 4099 tx->tx_txg != TXG_INITIAL) { | |
| 4100 spa_history_internal_log(LOG_POOL_PROPSET, | |
| 4101 spa, tx, cr, "%s %lld %s", | |
|
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4102 nvpair_name(elem), intval, spa_name(spa)); |
| 5094 | 4103 } |
| 3912 | 4104 } |
|
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4105 |
|
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|
4106 mutex_exit(&spa->spa_props_lock); |
| 3912 | 4107 } |
| 4108 | |
| 789 | 4109 /* |
| 4110 * Sync the specified transaction group. New blocks may be dirtied as | |
| 4111 * part of the process, so we iterate until it converges. | |
| 4112 */ | |
| 4113 void | |
| 4114 spa_sync(spa_t *spa, uint64_t txg) | |
| 4115 { | |
| 4116 dsl_pool_t *dp = spa->spa_dsl_pool; | |
| 4117 objset_t *mos = spa->spa_meta_objset; | |
| 4118 bplist_t *bpl = &spa->spa_sync_bplist; | |
|
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diff
changeset
|
4119 vdev_t *rvd = spa->spa_root_vdev; |
| 789 | 4120 vdev_t *vd; |
| 4121 dmu_tx_t *tx; | |
| 4122 int dirty_vdevs; | |
|
7754
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4123 int error; |
| 789 | 4124 |
| 4125 /* | |
| 4126 * Lock out configuration changes. | |
| 4127 */ | |
|
7754
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4128 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 789 | 4129 |
| 4130 spa->spa_syncing_txg = txg; | |
| 4131 spa->spa_sync_pass = 0; | |
| 4132 | |
|
7754
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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parents:
7706
diff
changeset
|
4133 /* |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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parents:
7706
diff
changeset
|
4134 * If there are any pending vdev state changes, convert them |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4135 * into config changes that go out with this transaction group. |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4136 */ |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4137 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4138 while (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
|
4139 /* |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4140 * 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
|
4141 * 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
|
4142 * 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
|
4143 * 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
|
4144 * into the root vdev tree. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4145 */ |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4146 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
|
4147 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
|
4148 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
|
4149 vdev_state_clean(vd); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4150 vdev_config_dirty(vd); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4151 } |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4152 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
|
4153 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
|
4154 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4155 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
|
4156 |
| 1544 | 4157 VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
| 789 | 4158 |
| 2082 | 4159 tx = dmu_tx_create_assigned(dp, txg); |
| 4160 | |
| 4161 /* | |
| 4577 | 4162 * If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
| 2082 | 4163 * set spa_deflate if we have no raid-z vdevs. |
| 4164 */ | |
| 4577 | 4165 if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
| 4166 spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2082 | 4167 int i; |
| 4168 | |
| 4169 for (i = 0; i < rvd->vdev_children; i++) { | |
| 4170 vd = rvd->vdev_child[i]; | |
| 4171 if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) | |
| 4172 break; | |
| 4173 } | |
| 4174 if (i == rvd->vdev_children) { | |
| 4175 spa->spa_deflate = TRUE; | |
| 4176 VERIFY(0 == zap_add(spa->spa_meta_objset, | |
| 4177 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 4178 sizeof (uint64_t), 1, &spa->spa_deflate, tx)); | |
| 4179 } | |
| 4180 } | |
| 4181 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4182 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
|
4183 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
|
4184 dsl_pool_create_origin(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4185 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4186 /* 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
|
4187 spa->spa_minref += 3; |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4188 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4189 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4190 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
|
4191 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
|
4192 dsl_pool_upgrade_clones(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4193 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4194 |
| 789 | 4195 /* |
| 4196 * If anything has changed in this txg, push the deferred frees | |
| 4197 * from the previous txg. If not, leave them alone so that we | |
| 4198 * don't generate work on an otherwise idle system. | |
| 4199 */ | |
| 4200 if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || | |
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4201 !txg_list_empty(&dp->dp_dirty_dirs, txg) || |
|
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4202 !txg_list_empty(&dp->dp_sync_tasks, txg)) |
| 789 | 4203 spa_sync_deferred_frees(spa, txg); |
| 4204 | |
| 4205 /* | |
| 4206 * Iterate to convergence. | |
| 4207 */ | |
| 4208 do { | |
| 4209 spa->spa_sync_pass++; | |
| 4210 | |
| 4211 spa_sync_config_object(spa, tx); | |
| 5450 | 4212 spa_sync_aux_dev(spa, &spa->spa_spares, tx, |
| 4213 ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); | |
| 4214 spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, | |
| 4215 ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); | |
| 1544 | 4216 spa_errlog_sync(spa, txg); |
| 789 | 4217 dsl_pool_sync(dp, txg); |
| 4218 | |
| 4219 dirty_vdevs = 0; | |
| 4220 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) { | |
| 4221 vdev_sync(vd, txg); | |
| 4222 dirty_vdevs++; | |
| 4223 } | |
| 4224 | |
| 4225 bplist_sync(bpl, tx); | |
| 4226 } while (dirty_vdevs); | |
| 4227 | |
| 4228 bplist_close(bpl); | |
| 4229 | |
| 4230 dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass); | |
| 4231 | |
| 4232 /* | |
| 4233 * Rewrite the vdev configuration (which includes the uberblock) | |
| 4234 * to commit the transaction group. | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4235 * |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4236 * 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
|
4237 * 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
|
4238 * 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
|
4239 * If there *are* dirty vdevs, sync the uberblock to all vdevs. |
| 789 | 4240 */ |
|
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
|
4241 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
|
4242 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4243 * 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
|
4244 * 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
|
4245 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4246 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
|
4247 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4248 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
|
4249 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
|
4250 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
|
4251 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
|
4252 int c0 = spa_get_random(children); |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
4253 |
|
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9790
diff
changeset
|
4254 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
|
4255 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
|
4256 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
|
4257 continue; |
|
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
|
4258 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
|
4259 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
|
4260 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
|
4261 } |
|
9725
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4262 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
|
4263 if (error != 0) |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4264 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
|
4265 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
|
4266 } 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
|
4267 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
|
4268 rvd->vdev_children, txg, B_FALSE); |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4269 if (error != 0) |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4270 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
|
4271 rvd->vdev_children, txg, B_TRUE); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4272 } |
|
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
|
4273 |
|
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
|
4274 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>
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7706
diff
changeset
|
4275 |
|
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
|
4276 if (error == 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
|
4277 break; |
|
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
|
4278 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
|
4279 zio_resume_wait(spa); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4280 } |
| 2082 | 4281 dmu_tx_commit(tx); |
| 4282 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4283 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4284 * Clear the dirty config list. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4285 */ |
|
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
|
4286 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
|
4287 vdev_config_clean(vd); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4288 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4289 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4290 * 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
|
4291 * 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
|
4292 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4293 if (spa->spa_config_syncing != NULL) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4294 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
|
4295 spa->spa_config_txg = txg; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4296 spa->spa_config_syncing = NULL; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4297 } |
| 789 | 4298 |
| 4299 spa->spa_ubsync = spa->spa_uberblock; | |
| 4300 | |
| 4301 /* | |
| 4302 * Clean up the ZIL records for the synced txg. | |
| 4303 */ | |
| 4304 dsl_pool_zil_clean(dp); | |
| 4305 | |
| 4306 /* | |
| 4307 * Update usable space statistics. | |
| 4308 */ | |
| 4309 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) | |
| 4310 vdev_sync_done(vd, txg); | |
| 4311 | |
| 4312 /* | |
| 4313 * It had better be the case that we didn't dirty anything | |
| 2082 | 4314 * since vdev_config_sync(). |
| 789 | 4315 */ |
| 4316 ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); | |
| 4317 ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); | |
| 4318 ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); | |
| 4319 ASSERT(bpl->bpl_queue == NULL); | |
| 4320 | |
|
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
|
4321 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 1544 | 4322 |
| 4323 /* | |
| 4324 * If any async tasks have been requested, kick them off. | |
| 4325 */ | |
| 4326 spa_async_dispatch(spa); | |
| 789 | 4327 } |
| 4328 | |
| 4329 /* | |
| 4330 * Sync all pools. We don't want to hold the namespace lock across these | |
| 4331 * operations, so we take a reference on the spa_t and drop the lock during the | |
| 4332 * sync. | |
| 4333 */ | |
| 4334 void | |
| 4335 spa_sync_allpools(void) | |
| 4336 { | |
| 4337 spa_t *spa = NULL; | |
| 4338 mutex_enter(&spa_namespace_lock); | |
| 4339 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
|
4340 if (spa_state(spa) != POOL_STATE_ACTIVE || spa_suspended(spa)) |
| 789 | 4341 continue; |
| 4342 spa_open_ref(spa, FTAG); | |
| 4343 mutex_exit(&spa_namespace_lock); | |
| 4344 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 4345 mutex_enter(&spa_namespace_lock); | |
| 4346 spa_close(spa, FTAG); | |
| 4347 } | |
| 4348 mutex_exit(&spa_namespace_lock); | |
| 4349 } | |
| 4350 | |
| 4351 /* | |
| 4352 * ========================================================================== | |
| 4353 * Miscellaneous routines | |
| 4354 * ========================================================================== | |
| 4355 */ | |
| 4356 | |
| 4357 /* | |
| 4358 * Remove all pools in the system. | |
| 4359 */ | |
| 4360 void | |
| 4361 spa_evict_all(void) | |
| 4362 { | |
| 4363 spa_t *spa; | |
| 4364 | |
| 4365 /* | |
| 4366 * Remove all cached state. All pools should be closed now, | |
| 4367 * so every spa in the AVL tree should be unreferenced. | |
| 4368 */ | |
| 4369 mutex_enter(&spa_namespace_lock); | |
| 4370 while ((spa = spa_next(NULL)) != NULL) { | |
| 4371 /* | |
| 1544 | 4372 * Stop async tasks. The async thread may need to detach |
| 4373 * a device that's been replaced, which requires grabbing | |
| 4374 * spa_namespace_lock, so we must drop it here. | |
| 789 | 4375 */ |
| 4376 spa_open_ref(spa, FTAG); | |
| 4377 mutex_exit(&spa_namespace_lock); | |
| 1544 | 4378 spa_async_suspend(spa); |
| 4808 | 4379 mutex_enter(&spa_namespace_lock); |
| 789 | 4380 spa_close(spa, FTAG); |
| 4381 | |
| 4382 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { | |
| 4383 spa_unload(spa); | |
| 4384 spa_deactivate(spa); | |
| 4385 } | |
| 4386 spa_remove(spa); | |
| 4387 } | |
| 4388 mutex_exit(&spa_namespace_lock); | |
| 4389 } | |
| 1544 | 4390 |
| 4391 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
|
4392 spa_lookup_by_guid(spa_t *spa, uint64_t guid, boolean_t aux) |
| 1544 | 4393 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4394 vdev_t *vd; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4395 int i; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4396 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4397 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
|
4398 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4399 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4400 if (aux) { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4401 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
|
4402 vd = spa->spa_l2cache.sav_vdevs[i]; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4403 if (vd->vdev_guid == guid) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4404 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4405 } |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4406 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4407 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
|
4408 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
|
4409 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
|
4410 return (vd); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4411 } |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4412 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4413 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4414 return (NULL); |
| 1544 | 4415 } |
| 1760 | 4416 |
| 4417 void | |
| 5094 | 4418 spa_upgrade(spa_t *spa, uint64_t version) |
| 1760 | 4419 { |
|
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
|
4420 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1760 | 4421 |
| 4422 /* | |
| 4423 * This should only be called for a non-faulted pool, and since a | |
| 4424 * future version would result in an unopenable pool, this shouldn't be | |
| 4425 * possible. | |
| 4426 */ | |
| 4577 | 4427 ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
| 5094 | 4428 ASSERT(version >= spa->spa_uberblock.ub_version); |
| 4429 | |
| 4430 spa->spa_uberblock.ub_version = version; | |
| 1760 | 4431 vdev_config_dirty(spa->spa_root_vdev); |
| 4432 | |
|
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
|
4433 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 4434 |
| 4435 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 1760 | 4436 } |
| 2082 | 4437 |
| 4438 boolean_t | |
| 4439 spa_has_spare(spa_t *spa, uint64_t guid) | |
| 4440 { | |
| 4441 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4442 uint64_t spareguid; |
| 5450 | 4443 spa_aux_vdev_t *sav = &spa->spa_spares; |
| 4444 | |
| 4445 for (i = 0; i < sav->sav_count; i++) | |
| 4446 if (sav->sav_vdevs[i]->vdev_guid == guid) | |
| 2082 | 4447 return (B_TRUE); |
| 4448 | |
| 5450 | 4449 for (i = 0; i < sav->sav_npending; i++) { |
| 4450 if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, | |
| 4451 &spareguid) == 0 && spareguid == guid) | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4452 return (B_TRUE); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4453 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4454 |
| 2082 | 4455 return (B_FALSE); |
| 4456 } | |
| 3912 | 4457 |
| 4451 | 4458 /* |
|
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
|
4459 * 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
|
4460 * 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
|
4461 */ |
|
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
|
4462 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
|
4463 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
|
4464 { |
|
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
|
4465 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
|
4466 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
|
4467 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
|
4468 |
|
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
|
4469 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
|
4470 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
|
4471 &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
|
4472 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
|
4473 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
|
4474 } |
|
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
|
4475 |
|
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
|
4476 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
|
4477 } |
|
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
|
4478 |
|
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
|
4479 /* |
| 4451 | 4480 * Post a sysevent corresponding to the given event. The 'name' must be one of |
| 4481 * the event definitions in sys/sysevent/eventdefs.h. The payload will be | |
| 4482 * filled in from the spa and (optionally) the vdev. This doesn't do anything | |
| 4483 * in the userland libzpool, as we don't want consumers to misinterpret ztest | |
| 4484 * or zdb as real changes. | |
| 4485 */ | |
| 4486 void | |
| 4487 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) | |
| 4488 { | |
| 4489 #ifdef _KERNEL | |
| 4490 sysevent_t *ev; | |
| 4491 sysevent_attr_list_t *attr = NULL; | |
| 4492 sysevent_value_t value; | |
| 4493 sysevent_id_t eid; | |
| 4494 | |
| 4495 ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", | |
| 4496 SE_SLEEP); | |
| 4497 | |
| 4498 value.value_type = SE_DATA_TYPE_STRING; | |
| 4499 value.value.sv_string = spa_name(spa); | |
| 4500 if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) | |
| 4501 goto done; | |
| 4502 | |
| 4503 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4504 value.value.sv_uint64 = spa_guid(spa); | |
| 4505 if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) | |
| 4506 goto done; | |
| 4507 | |
| 4508 if (vd) { | |
| 4509 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4510 value.value.sv_uint64 = vd->vdev_guid; | |
| 4511 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, | |
| 4512 SE_SLEEP) != 0) | |
| 4513 goto done; | |
| 4514 | |
| 4515 if (vd->vdev_path) { | |
| 4516 value.value_type = SE_DATA_TYPE_STRING; | |
| 4517 value.value.sv_string = vd->vdev_path; | |
| 4518 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, | |
| 4519 &value, SE_SLEEP) != 0) | |
| 4520 goto done; | |
| 4521 } | |
| 4522 } | |
| 4523 | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4524 if (sysevent_attach_attributes(ev, attr) != 0) |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4525 goto done; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4526 attr = NULL; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4527 |
| 4451 | 4528 (void) log_sysevent(ev, SE_SLEEP, &eid); |
| 4529 | |
| 4530 done: | |
| 4531 if (attr) | |
| 4532 sysevent_free_attr(attr); | |
| 4533 sysevent_free(ev); | |
| 4534 #endif | |
| 4535 } |