Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/spa.c @ 9725:0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
| author | Eric Schrock <Eric.Schrock@Sun.COM> |
|---|---|
| date | Tue, 26 May 2009 15:47:25 -0700 |
| parents | cc5b64682e64 |
| children | e276ee006ff6 |
| 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> |
| 789 | 62 |
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63 #ifdef _KERNEL |
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64 #include <sys/zone.h> |
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65 #endif /* _KERNEL */ |
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66 |
| 5094 | 67 #include "zfs_prop.h" |
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68 #include "zfs_comutil.h" |
| 5094 | 69 |
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70 enum zti_modes { |
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71 zti_mode_fixed, /* value is # of threads (min 1) */ |
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72 zti_mode_online_percent, /* value is % of online CPUs */ |
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73 zti_mode_tune, /* fill from zio_taskq_tune_* */ |
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74 zti_nmodes |
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75 }; |
| 2986 | 76 |
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77 #define ZTI_THREAD_FIX(n) { zti_mode_fixed, (n) } |
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78 #define ZTI_THREAD_PCT(n) { zti_mode_online_percent, (n) } |
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79 #define ZTI_THREAD_TUNE { zti_mode_tune, 0 } |
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80 |
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81 #define ZTI_THREAD_ONE ZTI_THREAD_FIX(1) |
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82 |
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83 typedef struct zio_taskq_info { |
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84 const char *zti_name; |
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85 struct { |
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86 enum zti_modes zti_mode; |
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87 uint_t zti_value; |
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88 } zti_nthreads[ZIO_TASKQ_TYPES]; |
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89 } zio_taskq_info_t; |
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90 |
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91 static const char *const zio_taskq_types[ZIO_TASKQ_TYPES] = { |
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92 "issue", "intr" |
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93 }; |
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94 |
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95 const zio_taskq_info_t zio_taskqs[ZIO_TYPES] = { |
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96 /* ISSUE INTR */ |
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97 { "spa_zio_null", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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98 { "spa_zio_read", { ZTI_THREAD_FIX(8), ZTI_THREAD_TUNE } }, |
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99 { "spa_zio_write", { ZTI_THREAD_TUNE, ZTI_THREAD_FIX(8) } }, |
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100 { "spa_zio_free", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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101 { "spa_zio_claim", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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102 { "spa_zio_ioctl", { ZTI_THREAD_ONE, ZTI_THREAD_ONE } }, |
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103 }; |
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104 |
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105 enum zti_modes zio_taskq_tune_mode = zti_mode_online_percent; |
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106 uint_t zio_taskq_tune_value = 80; /* #threads = 80% of # online CPUs */ |
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107 |
| 5094 | 108 static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
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109 static boolean_t spa_has_active_shared_spare(spa_t *spa); |
| 5094 | 110 |
| 111 /* | |
| 112 * ========================================================================== | |
| 113 * SPA properties routines | |
| 114 * ========================================================================== | |
| 115 */ | |
| 116 | |
| 117 /* | |
| 118 * Add a (source=src, propname=propval) list to an nvlist. | |
| 119 */ | |
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120 static void |
| 5094 | 121 spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, |
| 122 uint64_t intval, zprop_source_t src) | |
| 123 { | |
| 124 const char *propname = zpool_prop_to_name(prop); | |
| 125 nvlist_t *propval; | |
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126 |
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127 VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
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128 VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0); |
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129 |
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130 if (strval != NULL) |
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131 VERIFY(nvlist_add_string(propval, ZPROP_VALUE, strval) == 0); |
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132 else |
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133 VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, intval) == 0); |
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134 |
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135 VERIFY(nvlist_add_nvlist(nvl, propname, propval) == 0); |
| 5094 | 136 nvlist_free(propval); |
| 137 } | |
| 138 | |
| 139 /* | |
| 140 * Get property values from the spa configuration. | |
| 141 */ | |
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142 static void |
| 5094 | 143 spa_prop_get_config(spa_t *spa, nvlist_t **nvp) |
| 144 { | |
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145 uint64_t size; |
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146 uint64_t used; |
| 5094 | 147 uint64_t cap, version; |
| 148 zprop_source_t src = ZPROP_SRC_NONE; | |
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149 spa_config_dirent_t *dp; |
| 5094 | 150 |
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151 ASSERT(MUTEX_HELD(&spa->spa_props_lock)); |
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152 |
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153 if (spa->spa_root_vdev != NULL) { |
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154 size = spa_get_space(spa); |
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155 used = spa_get_alloc(spa); |
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156 spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src); |
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157 spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src); |
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158 spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src); |
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159 spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, |
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160 size - used, src); |
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161 |
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162 cap = (size == 0) ? 0 : (used * 100 / size); |
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163 spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src); |
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164 |
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165 spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, |
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166 spa->spa_root_vdev->vdev_state, src); |
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167 |
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168 version = spa_version(spa); |
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169 if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) |
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170 src = ZPROP_SRC_DEFAULT; |
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171 else |
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172 src = ZPROP_SRC_LOCAL; |
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173 spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src); |
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174 } |
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175 |
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176 spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src); |
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177 |
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178 if (spa->spa_root != NULL) |
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179 spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root, |
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180 0, ZPROP_SRC_LOCAL); |
| 5094 | 181 |
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182 if ((dp = list_head(&spa->spa_config_list)) != NULL) { |
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183 if (dp->scd_path == NULL) { |
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184 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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185 "none", 0, ZPROP_SRC_LOCAL); |
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186 } else if (strcmp(dp->scd_path, spa_config_path) != 0) { |
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187 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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188 dp->scd_path, 0, ZPROP_SRC_LOCAL); |
| 5363 | 189 } |
| 190 } | |
| 5094 | 191 } |
| 192 | |
| 193 /* | |
| 194 * Get zpool property values. | |
| 195 */ | |
| 196 int | |
| 197 spa_prop_get(spa_t *spa, nvlist_t **nvp) | |
| 198 { | |
| 199 zap_cursor_t zc; | |
| 200 zap_attribute_t za; | |
| 201 objset_t *mos = spa->spa_meta_objset; | |
| 202 int err; | |
| 203 | |
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204 VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5094 | 205 |
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206 mutex_enter(&spa->spa_props_lock); |
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207 |
| 5094 | 208 /* |
| 209 * Get properties from the spa config. | |
| 210 */ | |
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211 spa_prop_get_config(spa, nvp); |
| 5094 | 212 |
| 213 /* If no pool property object, no more prop to get. */ | |
| 214 if (spa->spa_pool_props_object == 0) { | |
| 215 mutex_exit(&spa->spa_props_lock); | |
| 216 return (0); | |
| 217 } | |
| 218 | |
| 219 /* | |
| 220 * Get properties from the MOS pool property object. | |
| 221 */ | |
| 222 for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); | |
| 223 (err = zap_cursor_retrieve(&zc, &za)) == 0; | |
| 224 zap_cursor_advance(&zc)) { | |
| 225 uint64_t intval = 0; | |
| 226 char *strval = NULL; | |
| 227 zprop_source_t src = ZPROP_SRC_DEFAULT; | |
| 228 zpool_prop_t prop; | |
| 229 | |
| 230 if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) | |
| 231 continue; | |
| 232 | |
| 233 switch (za.za_integer_length) { | |
| 234 case 8: | |
| 235 /* integer property */ | |
| 236 if (za.za_first_integer != | |
| 237 zpool_prop_default_numeric(prop)) | |
| 238 src = ZPROP_SRC_LOCAL; | |
| 239 | |
| 240 if (prop == ZPOOL_PROP_BOOTFS) { | |
| 241 dsl_pool_t *dp; | |
| 242 dsl_dataset_t *ds = NULL; | |
| 243 | |
| 244 dp = spa_get_dsl(spa); | |
| 245 rw_enter(&dp->dp_config_rwlock, RW_READER); | |
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246 if (err = dsl_dataset_hold_obj(dp, |
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247 za.za_first_integer, FTAG, &ds)) { |
| 5094 | 248 rw_exit(&dp->dp_config_rwlock); |
| 249 break; | |
| 250 } | |
| 251 | |
| 252 strval = kmem_alloc( | |
| 253 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, | |
| 254 KM_SLEEP); | |
| 255 dsl_dataset_name(ds, strval); | |
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256 dsl_dataset_rele(ds, FTAG); |
| 5094 | 257 rw_exit(&dp->dp_config_rwlock); |
| 258 } else { | |
| 259 strval = NULL; | |
| 260 intval = za.za_first_integer; | |
| 261 } | |
| 262 | |
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263 spa_prop_add_list(*nvp, prop, strval, intval, src); |
| 5094 | 264 |
| 265 if (strval != NULL) | |
| 266 kmem_free(strval, | |
| 267 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); | |
| 268 | |
| 269 break; | |
| 270 | |
| 271 case 1: | |
| 272 /* string property */ | |
| 273 strval = kmem_alloc(za.za_num_integers, KM_SLEEP); | |
| 274 err = zap_lookup(mos, spa->spa_pool_props_object, | |
| 275 za.za_name, 1, za.za_num_integers, strval); | |
| 276 if (err) { | |
| 277 kmem_free(strval, za.za_num_integers); | |
| 278 break; | |
| 279 } | |
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280 spa_prop_add_list(*nvp, prop, strval, 0, src); |
| 5094 | 281 kmem_free(strval, za.za_num_integers); |
| 282 break; | |
| 283 | |
| 284 default: | |
| 285 break; | |
| 286 } | |
| 287 } | |
| 288 zap_cursor_fini(&zc); | |
| 289 mutex_exit(&spa->spa_props_lock); | |
| 290 out: | |
| 291 if (err && err != ENOENT) { | |
| 292 nvlist_free(*nvp); | |
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293 *nvp = NULL; |
| 5094 | 294 return (err); |
| 295 } | |
| 296 | |
| 297 return (0); | |
| 298 } | |
| 299 | |
| 300 /* | |
| 301 * Validate the given pool properties nvlist and modify the list | |
| 302 * for the property values to be set. | |
| 303 */ | |
| 304 static int | |
| 305 spa_prop_validate(spa_t *spa, nvlist_t *props) | |
| 306 { | |
| 307 nvpair_t *elem; | |
| 308 int error = 0, reset_bootfs = 0; | |
| 309 uint64_t objnum; | |
| 310 | |
| 311 elem = NULL; | |
| 312 while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
| 313 zpool_prop_t prop; | |
| 314 char *propname, *strval; | |
| 315 uint64_t intval; | |
| 316 objset_t *os; | |
| 5363 | 317 char *slash; |
| 5094 | 318 |
| 319 propname = nvpair_name(elem); | |
| 320 | |
| 321 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) | |
| 322 return (EINVAL); | |
| 323 | |
| 324 switch (prop) { | |
| 325 case ZPOOL_PROP_VERSION: | |
| 326 error = nvpair_value_uint64(elem, &intval); | |
| 327 if (!error && | |
| 328 (intval < spa_version(spa) || intval > SPA_VERSION)) | |
| 329 error = EINVAL; | |
| 330 break; | |
| 331 | |
| 332 case ZPOOL_PROP_DELEGATION: | |
| 333 case ZPOOL_PROP_AUTOREPLACE: | |
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334 case ZPOOL_PROP_LISTSNAPS: |
| 5094 | 335 error = nvpair_value_uint64(elem, &intval); |
| 336 if (!error && intval > 1) | |
| 337 error = EINVAL; | |
| 338 break; | |
| 339 | |
| 340 case ZPOOL_PROP_BOOTFS: | |
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341 /* |
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342 * If the pool version is less than SPA_VERSION_BOOTFS, |
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343 * or the pool is still being created (version == 0), |
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344 * the bootfs property cannot be set. |
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345 */ |
| 5094 | 346 if (spa_version(spa) < SPA_VERSION_BOOTFS) { |
| 347 error = ENOTSUP; | |
| 348 break; | |
| 349 } | |
| 350 | |
| 351 /* | |
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352 * Make sure the vdev config is bootable |
| 5094 | 353 */ |
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354 if (!vdev_is_bootable(spa->spa_root_vdev)) { |
| 5094 | 355 error = ENOTSUP; |
| 356 break; | |
| 357 } | |
| 358 | |
| 359 reset_bootfs = 1; | |
| 360 | |
| 361 error = nvpair_value_string(elem, &strval); | |
| 362 | |
| 363 if (!error) { | |
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364 uint64_t compress; |
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365 |
| 5094 | 366 if (strval == NULL || strval[0] == '\0') { |
| 367 objnum = zpool_prop_default_numeric( | |
| 368 ZPOOL_PROP_BOOTFS); | |
| 369 break; | |
| 370 } | |
| 371 | |
| 372 if (error = dmu_objset_open(strval, DMU_OST_ZFS, | |
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373 DS_MODE_USER | DS_MODE_READONLY, &os)) |
| 5094 | 374 break; |
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375 |
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376 /* We don't support gzip bootable datasets */ |
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377 if ((error = dsl_prop_get_integer(strval, |
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378 zfs_prop_to_name(ZFS_PROP_COMPRESSION), |
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379 &compress, NULL)) == 0 && |
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380 !BOOTFS_COMPRESS_VALID(compress)) { |
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381 error = ENOTSUP; |
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382 } else { |
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383 objnum = dmu_objset_id(os); |
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384 } |
| 5094 | 385 dmu_objset_close(os); |
| 386 } | |
| 387 break; | |
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388 |
| 5329 | 389 case ZPOOL_PROP_FAILUREMODE: |
| 390 error = nvpair_value_uint64(elem, &intval); | |
| 391 if (!error && (intval < ZIO_FAILURE_MODE_WAIT || | |
| 392 intval > ZIO_FAILURE_MODE_PANIC)) | |
| 393 error = EINVAL; | |
| 394 | |
| 395 /* | |
| 396 * This is a special case which only occurs when | |
| 397 * the pool has completely failed. This allows | |
| 398 * the user to change the in-core failmode property | |
| 399 * without syncing it out to disk (I/Os might | |
| 400 * currently be blocked). We do this by returning | |
| 401 * EIO to the caller (spa_prop_set) to trick it | |
| 402 * into thinking we encountered a property validation | |
| 403 * error. | |
| 404 */ | |
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405 if (!error && spa_suspended(spa)) { |
| 5329 | 406 spa->spa_failmode = intval; |
| 407 error = EIO; | |
| 408 } | |
| 409 break; | |
| 5363 | 410 |
| 411 case ZPOOL_PROP_CACHEFILE: | |
| 412 if ((error = nvpair_value_string(elem, &strval)) != 0) | |
| 413 break; | |
| 414 | |
| 415 if (strval[0] == '\0') | |
| 416 break; | |
| 417 | |
| 418 if (strcmp(strval, "none") == 0) | |
| 419 break; | |
| 420 | |
| 421 if (strval[0] != '/') { | |
| 422 error = EINVAL; | |
| 423 break; | |
| 424 } | |
| 425 | |
| 426 slash = strrchr(strval, '/'); | |
| 427 ASSERT(slash != NULL); | |
| 428 | |
| 429 if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
| 430 strcmp(slash, "/..") == 0) | |
| 431 error = EINVAL; | |
| 432 break; | |
| 5094 | 433 } |
| 434 | |
| 435 if (error) | |
| 436 break; | |
| 437 } | |
| 438 | |
| 439 if (!error && reset_bootfs) { | |
| 440 error = nvlist_remove(props, | |
| 441 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); | |
| 442 | |
| 443 if (!error) { | |
| 444 error = nvlist_add_uint64(props, | |
| 445 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); | |
| 446 } | |
| 447 } | |
| 448 | |
| 449 return (error); | |
| 450 } | |
| 451 | |
|
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452 void |
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453 spa_configfile_set(spa_t *spa, nvlist_t *nvp, boolean_t need_sync) |
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454 { |
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455 char *cachefile; |
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456 spa_config_dirent_t *dp; |
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457 |
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458 if (nvlist_lookup_string(nvp, zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), |
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459 &cachefile) != 0) |
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460 return; |
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461 |
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462 dp = kmem_alloc(sizeof (spa_config_dirent_t), |
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463 KM_SLEEP); |
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464 |
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465 if (cachefile[0] == '\0') |
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466 dp->scd_path = spa_strdup(spa_config_path); |
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467 else if (strcmp(cachefile, "none") == 0) |
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468 dp->scd_path = NULL; |
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469 else |
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470 dp->scd_path = spa_strdup(cachefile); |
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471 |
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472 list_insert_head(&spa->spa_config_list, dp); |
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473 if (need_sync) |
|
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474 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
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475 } |
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476 |
| 5094 | 477 int |
| 478 spa_prop_set(spa_t *spa, nvlist_t *nvp) | |
| 479 { | |
| 480 int error; | |
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481 nvpair_t *elem; |
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482 boolean_t need_sync = B_FALSE; |
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483 zpool_prop_t prop; |
| 5094 | 484 |
| 485 if ((error = spa_prop_validate(spa, nvp)) != 0) | |
| 486 return (error); | |
| 487 | |
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488 elem = NULL; |
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489 while ((elem = nvlist_next_nvpair(nvp, elem)) != NULL) { |
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490 if ((prop = zpool_name_to_prop( |
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491 nvpair_name(elem))) == ZPROP_INVAL) |
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492 return (EINVAL); |
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493 |
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494 if (prop == ZPOOL_PROP_CACHEFILE || prop == ZPOOL_PROP_ALTROOT) |
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495 continue; |
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496 |
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497 need_sync = B_TRUE; |
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498 break; |
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499 } |
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500 |
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501 if (need_sync) |
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502 return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, |
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503 spa, nvp, 3)); |
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504 else |
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505 return (0); |
| 5094 | 506 } |
| 507 | |
| 508 /* | |
| 509 * If the bootfs property value is dsobj, clear it. | |
| 510 */ | |
| 511 void | |
| 512 spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) | |
| 513 { | |
| 514 if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { | |
| 515 VERIFY(zap_remove(spa->spa_meta_objset, | |
| 516 spa->spa_pool_props_object, | |
| 517 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); | |
| 518 spa->spa_bootfs = 0; | |
| 519 } | |
| 520 } | |
| 521 | |
| 789 | 522 /* |
| 523 * ========================================================================== | |
| 524 * SPA state manipulation (open/create/destroy/import/export) | |
| 525 * ========================================================================== | |
| 526 */ | |
| 527 | |
| 1544 | 528 static int |
| 529 spa_error_entry_compare(const void *a, const void *b) | |
| 530 { | |
| 531 spa_error_entry_t *sa = (spa_error_entry_t *)a; | |
| 532 spa_error_entry_t *sb = (spa_error_entry_t *)b; | |
| 533 int ret; | |
| 534 | |
| 535 ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, | |
| 536 sizeof (zbookmark_t)); | |
| 537 | |
| 538 if (ret < 0) | |
| 539 return (-1); | |
| 540 else if (ret > 0) | |
| 541 return (1); | |
| 542 else | |
| 543 return (0); | |
| 544 } | |
| 545 | |
| 546 /* | |
| 547 * Utility function which retrieves copies of the current logs and | |
| 548 * re-initializes them in the process. | |
| 549 */ | |
| 550 void | |
| 551 spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) | |
| 552 { | |
| 553 ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); | |
| 554 | |
| 555 bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); | |
| 556 bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); | |
| 557 | |
| 558 avl_create(&spa->spa_errlist_scrub, | |
| 559 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 560 offsetof(spa_error_entry_t, se_avl)); | |
| 561 avl_create(&spa->spa_errlist_last, | |
| 562 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 563 offsetof(spa_error_entry_t, se_avl)); | |
| 564 } | |
| 565 | |
| 789 | 566 /* |
| 567 * Activate an uninitialized pool. | |
| 568 */ | |
| 569 static void | |
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570 spa_activate(spa_t *spa, int mode) |
| 789 | 571 { |
| 572 ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); | |
| 573 | |
| 574 spa->spa_state = POOL_STATE_ACTIVE; | |
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575 spa->spa_mode = mode; |
| 789 | 576 |
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577 spa->spa_normal_class = metaslab_class_create(zfs_metaslab_ops); |
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578 spa->spa_log_class = metaslab_class_create(zfs_metaslab_ops); |
| 789 | 579 |
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580 for (int t = 0; t < ZIO_TYPES; t++) { |
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581 const zio_taskq_info_t *ztip = &zio_taskqs[t]; |
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582 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
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583 enum zti_modes mode = ztip->zti_nthreads[q].zti_mode; |
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584 uint_t value = ztip->zti_nthreads[q].zti_value; |
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585 char name[32]; |
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586 |
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587 (void) snprintf(name, sizeof (name), |
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588 "%s_%s", ztip->zti_name, zio_taskq_types[q]); |
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589 |
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590 if (mode == zti_mode_tune) { |
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591 mode = zio_taskq_tune_mode; |
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592 value = zio_taskq_tune_value; |
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593 if (mode == zti_mode_tune) |
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594 mode = zti_mode_online_percent; |
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595 } |
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596 |
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597 switch (mode) { |
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598 case zti_mode_fixed: |
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599 ASSERT3U(value, >=, 1); |
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600 value = MAX(value, 1); |
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601 |
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602 spa->spa_zio_taskq[t][q] = taskq_create(name, |
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603 value, maxclsyspri, 50, INT_MAX, |
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604 TASKQ_PREPOPULATE); |
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605 break; |
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606 |
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607 case zti_mode_online_percent: |
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608 spa->spa_zio_taskq[t][q] = taskq_create(name, |
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609 value, maxclsyspri, 50, INT_MAX, |
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610 TASKQ_PREPOPULATE | TASKQ_THREADS_CPU_PCT); |
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611 break; |
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612 |
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613 case zti_mode_tune: |
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614 default: |
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615 panic("unrecognized mode for " |
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616 "zio_taskqs[%u]->zti_nthreads[%u] (%u:%u) " |
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617 "in spa_activate()", |
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618 t, q, mode, value); |
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619 break; |
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620 } |
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621 } |
| 789 | 622 } |
| 623 | |
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624 list_create(&spa->spa_config_dirty_list, sizeof (vdev_t), |
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625 offsetof(vdev_t, vdev_config_dirty_node)); |
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626 list_create(&spa->spa_state_dirty_list, sizeof (vdev_t), |
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627 offsetof(vdev_t, vdev_state_dirty_node)); |
| 789 | 628 |
| 629 txg_list_create(&spa->spa_vdev_txg_list, | |
| 630 offsetof(struct vdev, vdev_txg_node)); | |
| 1544 | 631 |
| 632 avl_create(&spa->spa_errlist_scrub, | |
| 633 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 634 offsetof(spa_error_entry_t, se_avl)); | |
| 635 avl_create(&spa->spa_errlist_last, | |
| 636 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 637 offsetof(spa_error_entry_t, se_avl)); | |
| 789 | 638 } |
| 639 | |
| 640 /* | |
| 641 * Opposite of spa_activate(). | |
| 642 */ | |
| 643 static void | |
| 644 spa_deactivate(spa_t *spa) | |
| 645 { | |
| 646 ASSERT(spa->spa_sync_on == B_FALSE); | |
| 647 ASSERT(spa->spa_dsl_pool == NULL); | |
| 648 ASSERT(spa->spa_root_vdev == NULL); | |
|
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649 ASSERT(spa->spa_async_zio_root == NULL); |
| 789 | 650 ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); |
| 651 | |
| 652 txg_list_destroy(&spa->spa_vdev_txg_list); | |
| 653 | |
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654 list_destroy(&spa->spa_config_dirty_list); |
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655 list_destroy(&spa->spa_state_dirty_list); |
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656 |
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657 for (int t = 0; t < ZIO_TYPES; t++) { |
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658 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
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659 taskq_destroy(spa->spa_zio_taskq[t][q]); |
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660 spa->spa_zio_taskq[t][q] = NULL; |
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661 } |
| 789 | 662 } |
| 663 | |
| 664 metaslab_class_destroy(spa->spa_normal_class); | |
| 665 spa->spa_normal_class = NULL; | |
| 666 | |
| 4527 | 667 metaslab_class_destroy(spa->spa_log_class); |
| 668 spa->spa_log_class = NULL; | |
| 669 | |
| 1544 | 670 /* |
| 671 * If this was part of an import or the open otherwise failed, we may | |
| 672 * still have errors left in the queues. Empty them just in case. | |
| 673 */ | |
| 674 spa_errlog_drain(spa); | |
| 675 | |
| 676 avl_destroy(&spa->spa_errlist_scrub); | |
| 677 avl_destroy(&spa->spa_errlist_last); | |
| 678 | |
| 789 | 679 spa->spa_state = POOL_STATE_UNINITIALIZED; |
| 680 } | |
| 681 | |
| 682 /* | |
| 683 * Verify a pool configuration, and construct the vdev tree appropriately. This | |
| 684 * will create all the necessary vdevs in the appropriate layout, with each vdev | |
| 685 * in the CLOSED state. This will prep the pool before open/creation/import. | |
| 686 * All vdev validation is done by the vdev_alloc() routine. | |
| 687 */ | |
| 2082 | 688 static int |
| 689 spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, | |
| 690 uint_t id, int atype) | |
| 789 | 691 { |
| 692 nvlist_t **child; | |
| 693 uint_t c, children; | |
| 2082 | 694 int error; |
| 695 | |
| 696 if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) | |
| 697 return (error); | |
| 698 | |
| 699 if ((*vdp)->vdev_ops->vdev_op_leaf) | |
| 700 return (0); | |
| 789 | 701 |
|
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702 error = nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, |
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703 &child, &children); |
|
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704 |
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705 if (error == ENOENT) |
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706 return (0); |
|
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707 |
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708 if (error) { |
| 2082 | 709 vdev_free(*vdp); |
| 710 *vdp = NULL; | |
| 711 return (EINVAL); | |
| 789 | 712 } |
| 713 | |
| 714 for (c = 0; c < children; c++) { | |
| 2082 | 715 vdev_t *vd; |
| 716 if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, | |
| 717 atype)) != 0) { | |
| 718 vdev_free(*vdp); | |
| 719 *vdp = NULL; | |
| 720 return (error); | |
| 789 | 721 } |
| 722 } | |
| 723 | |
| 2082 | 724 ASSERT(*vdp != NULL); |
| 725 | |
| 726 return (0); | |
| 789 | 727 } |
| 728 | |
| 729 /* | |
| 730 * Opposite of spa_load(). | |
| 731 */ | |
| 732 static void | |
| 733 spa_unload(spa_t *spa) | |
| 734 { | |
| 2082 | 735 int i; |
| 736 | |
|
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737 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
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738 |
| 789 | 739 /* |
| 1544 | 740 * Stop async tasks. |
| 741 */ | |
| 742 spa_async_suspend(spa); | |
| 743 | |
| 744 /* | |
| 789 | 745 * Stop syncing. |
| 746 */ | |
| 747 if (spa->spa_sync_on) { | |
| 748 txg_sync_stop(spa->spa_dsl_pool); | |
| 749 spa->spa_sync_on = B_FALSE; | |
| 750 } | |
| 751 | |
| 752 /* | |
|
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753 * Wait for any outstanding async I/O to complete. |
| 789 | 754 */ |
|
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755 if (spa->spa_async_zio_root != NULL) { |
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756 (void) zio_wait(spa->spa_async_zio_root); |
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757 spa->spa_async_zio_root = NULL; |
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758 } |
| 789 | 759 |
| 760 /* | |
| 761 * Close the dsl pool. | |
| 762 */ | |
| 763 if (spa->spa_dsl_pool) { | |
| 764 dsl_pool_close(spa->spa_dsl_pool); | |
| 765 spa->spa_dsl_pool = NULL; | |
| 766 } | |
| 767 | |
|
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768 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
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769 |
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770 /* |
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771 * Drop and purge level 2 cache |
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772 */ |
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773 spa_l2cache_drop(spa); |
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774 |
| 789 | 775 /* |
| 776 * Close all vdevs. | |
| 777 */ | |
|
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778 if (spa->spa_root_vdev) |
| 789 | 779 vdev_free(spa->spa_root_vdev); |
|
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780 ASSERT(spa->spa_root_vdev == NULL); |
| 1544 | 781 |
| 5450 | 782 for (i = 0; i < spa->spa_spares.sav_count; i++) |
| 783 vdev_free(spa->spa_spares.sav_vdevs[i]); | |
| 784 if (spa->spa_spares.sav_vdevs) { | |
| 785 kmem_free(spa->spa_spares.sav_vdevs, | |
| 786 spa->spa_spares.sav_count * sizeof (void *)); | |
| 787 spa->spa_spares.sav_vdevs = NULL; | |
| 788 } | |
| 789 if (spa->spa_spares.sav_config) { | |
| 790 nvlist_free(spa->spa_spares.sav_config); | |
| 791 spa->spa_spares.sav_config = NULL; | |
| 2082 | 792 } |
|
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793 spa->spa_spares.sav_count = 0; |
| 5450 | 794 |
| 795 for (i = 0; i < spa->spa_l2cache.sav_count; i++) | |
| 796 vdev_free(spa->spa_l2cache.sav_vdevs[i]); | |
| 797 if (spa->spa_l2cache.sav_vdevs) { | |
| 798 kmem_free(spa->spa_l2cache.sav_vdevs, | |
| 799 spa->spa_l2cache.sav_count * sizeof (void *)); | |
| 800 spa->spa_l2cache.sav_vdevs = NULL; | |
| 801 } | |
| 802 if (spa->spa_l2cache.sav_config) { | |
| 803 nvlist_free(spa->spa_l2cache.sav_config); | |
| 804 spa->spa_l2cache.sav_config = NULL; | |
| 2082 | 805 } |
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806 spa->spa_l2cache.sav_count = 0; |
| 2082 | 807 |
| 1544 | 808 spa->spa_async_suspended = 0; |
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809 |
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810 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 811 } |
| 812 | |
| 813 /* | |
| 2082 | 814 * Load (or re-load) the current list of vdevs describing the active spares for |
| 815 * this pool. When this is called, we have some form of basic information in | |
| 5450 | 816 * 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and |
| 817 * then re-generate a more complete list including status information. | |
| 2082 | 818 */ |
| 819 static void | |
| 820 spa_load_spares(spa_t *spa) | |
| 821 { | |
| 822 nvlist_t **spares; | |
| 823 uint_t nspares; | |
| 824 int i; | |
|
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825 vdev_t *vd, *tvd; |
| 2082 | 826 |
|
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827 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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828 |
| 2082 | 829 /* |
| 830 * First, close and free any existing spare vdevs. | |
| 831 */ | |
| 5450 | 832 for (i = 0; i < spa->spa_spares.sav_count; i++) { |
| 833 vd = spa->spa_spares.sav_vdevs[i]; | |
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834 |
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835 /* Undo the call to spa_activate() below */ |
|
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836 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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837 B_FALSE)) != NULL && tvd->vdev_isspare) |
|
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838 spa_spare_remove(tvd); |
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839 vdev_close(vd); |
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840 vdev_free(vd); |
| 2082 | 841 } |
|
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842 |
| 5450 | 843 if (spa->spa_spares.sav_vdevs) |
| 844 kmem_free(spa->spa_spares.sav_vdevs, | |
| 845 spa->spa_spares.sav_count * sizeof (void *)); | |
| 846 | |
| 847 if (spa->spa_spares.sav_config == NULL) | |
| 2082 | 848 nspares = 0; |
| 849 else | |
| 5450 | 850 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 851 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 852 | |
| 5450 | 853 spa->spa_spares.sav_count = (int)nspares; |
| 854 spa->spa_spares.sav_vdevs = NULL; | |
| 2082 | 855 |
| 856 if (nspares == 0) | |
| 857 return; | |
| 858 | |
| 859 /* | |
| 860 * Construct the array of vdevs, opening them to get status in the | |
|
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861 * process. For each spare, there is potentially two different vdev_t |
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862 * structures associated with it: one in the list of spares (used only |
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863 * for basic validation purposes) and one in the active vdev |
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864 * configuration (if it's spared in). During this phase we open and |
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865 * validate each vdev on the spare list. If the vdev also exists in the |
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866 * active configuration, then we also mark this vdev as an active spare. |
| 2082 | 867 */ |
| 5450 | 868 spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *), |
| 869 KM_SLEEP); | |
| 870 for (i = 0; i < spa->spa_spares.sav_count; i++) { | |
| 2082 | 871 VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
| 872 VDEV_ALLOC_SPARE) == 0); | |
| 873 ASSERT(vd != NULL); | |
| 874 | |
| 5450 | 875 spa->spa_spares.sav_vdevs[i] = vd; |
| 2082 | 876 |
|
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877 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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878 B_FALSE)) != NULL) { |
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879 if (!tvd->vdev_isspare) |
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880 spa_spare_add(tvd); |
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881 |
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882 /* |
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883 * We only mark the spare active if we were successfully |
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884 * able to load the vdev. Otherwise, importing a pool |
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885 * with a bad active spare would result in strange |
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886 * behavior, because multiple pool would think the spare |
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887 * is actively in use. |
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888 * |
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889 * There is a vulnerability here to an equally bizarre |
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890 * circumstance, where a dead active spare is later |
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891 * brought back to life (onlined or otherwise). Given |
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892 * the rarity of this scenario, and the extra complexity |
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893 * it adds, we ignore the possibility. |
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894 */ |
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895 if (!vdev_is_dead(tvd)) |
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896 spa_spare_activate(tvd); |
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897 } |
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898 |
|
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899 vd->vdev_top = vd; |
|
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900 vd->vdev_aux = &spa->spa_spares; |
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901 |
| 2082 | 902 if (vdev_open(vd) != 0) |
| 903 continue; | |
| 904 | |
| 5450 | 905 if (vdev_validate_aux(vd) == 0) |
| 906 spa_spare_add(vd); | |
| 2082 | 907 } |
| 908 | |
| 909 /* | |
| 910 * Recompute the stashed list of spares, with status information | |
| 911 * this time. | |
| 912 */ | |
| 5450 | 913 VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 914 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 915 | |
| 5450 | 916 spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), |
| 917 KM_SLEEP); | |
| 918 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 919 spares[i] = vdev_config_generate(spa, | |
| 920 spa->spa_spares.sav_vdevs[i], B_TRUE, B_TRUE, B_FALSE); | |
| 921 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, | |
| 922 ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); | |
| 923 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 2082 | 924 nvlist_free(spares[i]); |
| 5450 | 925 kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); |
| 926 } | |
| 927 | |
| 928 /* | |
| 929 * Load (or re-load) the current list of vdevs describing the active l2cache for | |
| 930 * this pool. When this is called, we have some form of basic information in | |
| 931 * 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and | |
| 932 * then re-generate a more complete list including status information. | |
| 933 * Devices which are already active have their details maintained, and are | |
| 934 * not re-opened. | |
| 935 */ | |
| 936 static void | |
| 937 spa_load_l2cache(spa_t *spa) | |
| 938 { | |
| 939 nvlist_t **l2cache; | |
| 940 uint_t nl2cache; | |
| 941 int i, j, oldnvdevs; | |
|
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942 uint64_t guid, size; |
| 5450 | 943 vdev_t *vd, **oldvdevs, **newvdevs; |
| 944 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 945 | |
|
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946 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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947 |
| 5450 | 948 if (sav->sav_config != NULL) { |
| 949 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, | |
| 950 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 951 newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); | |
| 952 } else { | |
| 953 nl2cache = 0; | |
| 954 } | |
| 955 | |
| 956 oldvdevs = sav->sav_vdevs; | |
| 957 oldnvdevs = sav->sav_count; | |
| 958 sav->sav_vdevs = NULL; | |
| 959 sav->sav_count = 0; | |
| 960 | |
| 961 /* | |
| 962 * Process new nvlist of vdevs. | |
| 963 */ | |
| 964 for (i = 0; i < nl2cache; i++) { | |
| 965 VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, | |
| 966 &guid) == 0); | |
| 967 | |
| 968 newvdevs[i] = NULL; | |
| 969 for (j = 0; j < oldnvdevs; j++) { | |
| 970 vd = oldvdevs[j]; | |
| 971 if (vd != NULL && guid == vd->vdev_guid) { | |
| 972 /* | |
| 973 * Retain previous vdev for add/remove ops. | |
| 974 */ | |
| 975 newvdevs[i] = vd; | |
| 976 oldvdevs[j] = NULL; | |
| 977 break; | |
| 978 } | |
| 979 } | |
| 980 | |
| 981 if (newvdevs[i] == NULL) { | |
| 982 /* | |
| 983 * Create new vdev | |
| 984 */ | |
| 985 VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, | |
| 986 VDEV_ALLOC_L2CACHE) == 0); | |
| 987 ASSERT(vd != NULL); | |
| 988 newvdevs[i] = vd; | |
| 989 | |
| 990 /* | |
| 991 * Commit this vdev as an l2cache device, | |
| 992 * even if it fails to open. | |
| 993 */ | |
| 994 spa_l2cache_add(vd); | |
| 995 | |
|
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996 vd->vdev_top = vd; |
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997 vd->vdev_aux = sav; |
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998 |
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999 spa_l2cache_activate(vd); |
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1000 |
| 5450 | 1001 if (vdev_open(vd) != 0) |
| 1002 continue; | |
| 1003 | |
| 1004 (void) vdev_validate_aux(vd); | |
| 1005 | |
| 1006 if (!vdev_is_dead(vd)) { | |
| 1007 size = vdev_get_rsize(vd); | |
|
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1008 l2arc_add_vdev(spa, vd, |
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1009 VDEV_LABEL_START_SIZE, |
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1010 size - VDEV_LABEL_START_SIZE); |
| 5450 | 1011 } |
| 1012 } | |
| 1013 } | |
| 1014 | |
| 1015 /* | |
| 1016 * Purge vdevs that were dropped | |
| 1017 */ | |
| 1018 for (i = 0; i < oldnvdevs; i++) { | |
| 1019 uint64_t pool; | |
| 1020 | |
| 1021 vd = oldvdevs[i]; | |
| 1022 if (vd != NULL) { | |
|
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1023 if (spa_l2cache_exists(vd->vdev_guid, &pool) && |
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1024 pool != 0ULL && l2arc_vdev_present(vd)) |
| 5450 | 1025 l2arc_remove_vdev(vd); |
| 1026 (void) vdev_close(vd); | |
| 1027 spa_l2cache_remove(vd); | |
| 1028 } | |
| 1029 } | |
| 1030 | |
| 1031 if (oldvdevs) | |
| 1032 kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); | |
| 1033 | |
| 1034 if (sav->sav_config == NULL) | |
| 1035 goto out; | |
| 1036 | |
| 1037 sav->sav_vdevs = newvdevs; | |
| 1038 sav->sav_count = (int)nl2cache; | |
| 1039 | |
| 1040 /* | |
| 1041 * Recompute the stashed list of l2cache devices, with status | |
| 1042 * information this time. | |
| 1043 */ | |
| 1044 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 1045 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 1046 | |
| 1047 l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); | |
| 1048 for (i = 0; i < sav->sav_count; i++) | |
| 1049 l2cache[i] = vdev_config_generate(spa, | |
| 1050 sav->sav_vdevs[i], B_TRUE, B_FALSE, B_TRUE); | |
| 1051 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 1052 ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); | |
| 1053 out: | |
| 1054 for (i = 0; i < sav->sav_count; i++) | |
| 1055 nvlist_free(l2cache[i]); | |
| 1056 if (sav->sav_count) | |
| 1057 kmem_free(l2cache, sav->sav_count * sizeof (void *)); | |
| 2082 | 1058 } |
| 1059 | |
| 1060 static int | |
| 1061 load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) | |
| 1062 { | |
| 1063 dmu_buf_t *db; | |
| 1064 char *packed = NULL; | |
| 1065 size_t nvsize = 0; | |
| 1066 int error; | |
| 1067 *value = NULL; | |
| 1068 | |
| 1069 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 1070 nvsize = *(uint64_t *)db->db_data; | |
| 1071 dmu_buf_rele(db, FTAG); | |
| 1072 | |
| 1073 packed = kmem_alloc(nvsize, KM_SLEEP); | |
|
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1074 error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed, |
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1075 DMU_READ_PREFETCH); |
| 2082 | 1076 if (error == 0) |
| 1077 error = nvlist_unpack(packed, nvsize, value, 0); | |
| 1078 kmem_free(packed, nvsize); | |
| 1079 | |
| 1080 return (error); | |
| 1081 } | |
| 1082 | |
| 1083 /* | |
| 4451 | 1084 * Checks to see if the given vdev could not be opened, in which case we post a |
| 1085 * sysevent to notify the autoreplace code that the device has been removed. | |
| 1086 */ | |
| 1087 static void | |
| 1088 spa_check_removed(vdev_t *vd) | |
| 1089 { | |
| 1090 int c; | |
| 1091 | |
| 1092 for (c = 0; c < vd->vdev_children; c++) | |
| 1093 spa_check_removed(vd->vdev_child[c]); | |
| 1094 | |
| 1095 if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) { | |
| 1096 zfs_post_autoreplace(vd->vdev_spa, vd); | |
| 1097 spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); | |
| 1098 } | |
| 1099 } | |
| 1100 | |
| 1101 /* | |
|
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1102 * Load the slog device state from the config object since it's possible |
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1103 * that the label does not contain the most up-to-date information. |
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1104 */ |
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1105 void |
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1106 spa_load_log_state(spa_t *spa) |
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1107 { |
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1108 nvlist_t *nv, *nvroot, **child; |
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1109 uint64_t is_log; |
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1110 uint_t children, c; |
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1111 vdev_t *rvd = spa->spa_root_vdev; |
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1112 |
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1113 VERIFY(load_nvlist(spa, spa->spa_config_object, &nv) == 0); |
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1114 VERIFY(nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); |
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1115 VERIFY(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, |
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1116 &child, &children) == 0); |
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1117 |
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1118 for (c = 0; c < children; c++) { |
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1119 vdev_t *tvd = rvd->vdev_child[c]; |
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1120 |
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1121 if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, |
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1122 &is_log) == 0 && is_log) |
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1123 vdev_load_log_state(tvd, child[c]); |
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1124 } |
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1125 nvlist_free(nv); |
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1126 } |
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1127 |
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1128 /* |
| 7294 | 1129 * Check for missing log devices |
| 1130 */ | |
| 1131 int | |
| 1132 spa_check_logs(spa_t *spa) | |
| 1133 { | |
| 1134 switch (spa->spa_log_state) { | |
| 1135 case SPA_LOG_MISSING: | |
| 1136 /* need to recheck in case slog has been restored */ | |
| 1137 case SPA_LOG_UNKNOWN: | |
| 1138 if (dmu_objset_find(spa->spa_name, zil_check_log_chain, NULL, | |
| 1139 DS_FIND_CHILDREN)) { | |
| 1140 spa->spa_log_state = SPA_LOG_MISSING; | |
| 1141 return (1); | |
| 1142 } | |
| 1143 break; | |
| 1144 } | |
| 1145 return (0); | |
| 1146 } | |
| 1147 | |
| 1148 /* | |
| 789 | 1149 * Load an existing storage pool, using the pool's builtin spa_config as a |
| 1544 | 1150 * source of configuration information. |
| 789 | 1151 */ |
| 1152 static int | |
| 1544 | 1153 spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
| 789 | 1154 { |
| 1155 int error = 0; | |
| 1156 nvlist_t *nvroot = NULL; | |
| 1157 vdev_t *rvd; | |
| 1158 uberblock_t *ub = &spa->spa_uberblock; | |
|
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1159 uint64_t config_cache_txg = spa->spa_config_txg; |
| 789 | 1160 uint64_t pool_guid; |
| 2082 | 1161 uint64_t version; |
| 4451 | 1162 uint64_t autoreplace = 0; |
|
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1163 int orig_mode = spa->spa_mode; |
| 7294 | 1164 char *ereport = FM_EREPORT_ZFS_POOL; |
| 789 | 1165 |
|
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1166 /* |
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1167 * If this is an untrusted config, access the pool in read-only mode. |
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1168 * This prevents things like resilvering recently removed devices. |
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1169 */ |
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1170 if (!mosconfig) |
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1171 spa->spa_mode = FREAD; |
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1172 |
|
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1173 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
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1174 |
| 1544 | 1175 spa->spa_load_state = state; |
|
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1176 |
| 789 | 1177 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
| 1733 | 1178 nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) { |
| 1544 | 1179 error = EINVAL; |
| 1180 goto out; | |
| 1181 } | |
| 789 | 1182 |
| 2082 | 1183 /* |
| 1184 * Versioning wasn't explicitly added to the label until later, so if | |
| 1185 * it's not present treat it as the initial version. | |
| 1186 */ | |
| 1187 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) | |
| 4577 | 1188 version = SPA_VERSION_INITIAL; |
| 2082 | 1189 |
| 1733 | 1190 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
| 1191 &spa->spa_config_txg); | |
| 1192 | |
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1193 if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
| 1544 | 1194 spa_guid_exists(pool_guid, 0)) { |
| 1195 error = EEXIST; | |
| 1196 goto out; | |
| 1197 } | |
| 789 | 1198 |
|
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1199 spa->spa_load_guid = pool_guid; |
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1200 |
| 789 | 1201 /* |
|
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1202 * Create "The Godfather" zio to hold all async IOs |
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1203 */ |
|
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1204 spa->spa_async_zio_root = zio_root(spa, NULL, NULL, |
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1205 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | ZIO_FLAG_GODFATHER); |
|
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1206 |
|
bffdc4fc05c4
6792139 recovering from a suspended pool needs some work
George Wilson <George.Wilson@Sun.COM>
parents:
9230
diff
changeset
|
1207 /* |
| 2082 | 1208 * Parse the configuration into a vdev tree. We explicitly set the |
| 1209 * value that will be returned by spa_version() since parsing the | |
| 1210 * configuration requires knowing the version number. | |
| 789 | 1211 */ |
|
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
|
1212 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1213 spa->spa_ubsync.ub_version = version; |
| 1214 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
|
1215 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 1216 |
| 2082 | 1217 if (error != 0) |
| 1544 | 1218 goto out; |
| 789 | 1219 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1220 ASSERT(spa->spa_root_vdev == rvd); |
| 789 | 1221 ASSERT(spa_guid(spa) == pool_guid); |
| 1222 | |
| 1223 /* | |
| 1224 * Try to open all vdevs, loading each label in the process. | |
| 1225 */ | |
|
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
|
1226 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
|
1227 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
|
1228 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
|
1229 if (error != 0) |
| 1544 | 1230 goto out; |
| 789 | 1231 |
| 1232 /* | |
|
9276
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1233 * 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
|
1234 * 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
|
1235 * 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
|
1236 * 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
|
1237 * (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
|
1238 * 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
|
1239 * the vdev config. |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1240 */ |
|
9276
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1241 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
|
1242 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
|
1243 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
|
1244 if (error != 0) |
|
a8a7fc849933
6816124 System crash running zpool destroy on broken zpool
Mark J Musante <Mark.Musante@Sun.COM>
parents:
9234
diff
changeset
|
1245 goto out; |
|
1986
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 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
|
1248 error = ENXIO; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1249 goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1250 } |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1251 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1252 /* |
| 789 | 1253 * Find the best uberblock. |
| 1254 */ | |
|
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
|
1255 vdev_uberblock_load(NULL, rvd, ub); |
| 789 | 1256 |
| 1257 /* | |
| 1258 * If we weren't able to find a single valid uberblock, return failure. | |
| 1259 */ | |
| 1260 if (ub->ub_txg == 0) { | |
| 1760 | 1261 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1262 VDEV_AUX_CORRUPT_DATA); | |
| 1544 | 1263 error = ENXIO; |
| 1264 goto out; | |
| 1265 } | |
| 1266 | |
| 1267 /* | |
| 1268 * If the pool is newer than the code, we can't open it. | |
| 1269 */ | |
| 4577 | 1270 if (ub->ub_version > SPA_VERSION) { |
| 1760 | 1271 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1272 VDEV_AUX_VERSION_NEWER); | |
| 1544 | 1273 error = ENOTSUP; |
| 1274 goto out; | |
| 789 | 1275 } |
| 1276 | |
| 1277 /* | |
| 1278 * If the vdev guid sum doesn't match the uberblock, we have an | |
| 1279 * incomplete configuration. | |
| 1280 */ | |
| 1732 | 1281 if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) { |
| 1544 | 1282 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1283 VDEV_AUX_BAD_GUID_SUM); | |
| 1284 error = ENXIO; | |
| 1285 goto out; | |
| 789 | 1286 } |
| 1287 | |
| 1288 /* | |
| 1289 * Initialize internal SPA structures. | |
| 1290 */ | |
| 1291 spa->spa_state = POOL_STATE_ACTIVE; | |
| 1292 spa->spa_ubsync = spa->spa_uberblock; | |
| 1293 spa->spa_first_txg = spa_last_synced_txg(spa) + 1; | |
| 1544 | 1294 error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
| 1295 if (error) { | |
| 1296 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1297 VDEV_AUX_CORRUPT_DATA); | |
| 1298 goto out; | |
| 1299 } | |
| 789 | 1300 spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
| 1301 | |
| 1544 | 1302 if (zap_lookup(spa->spa_meta_objset, |
| 789 | 1303 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1304 sizeof (uint64_t), 1, &spa->spa_config_object) != 0) { |
| 1305 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1306 VDEV_AUX_CORRUPT_DATA); | |
| 1307 error = EIO; | |
| 1308 goto out; | |
| 1309 } | |
| 789 | 1310 |
| 1311 if (!mosconfig) { | |
| 2082 | 1312 nvlist_t *newconfig; |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1313 uint64_t hostid; |
| 2082 | 1314 |
| 1315 if (load_nvlist(spa, spa->spa_config_object, &newconfig) != 0) { | |
| 1544 | 1316 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1317 VDEV_AUX_CORRUPT_DATA); | |
| 1318 error = EIO; | |
| 1319 goto out; | |
| 1320 } | |
| 789 | 1321 |
|
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
|
1322 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
|
1323 ZPOOL_CONFIG_HOSTID, &hostid) == 0) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1324 char *hostname; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1325 unsigned long myhostid = 0; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1326 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1327 VERIFY(nvlist_lookup_string(newconfig, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1328 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1329 |
|
8662
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1330 #ifdef _KERNEL |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1331 myhostid = zone_get_hostid(NULL); |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1332 #else /* _KERNEL */ |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1333 /* |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1334 * 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
|
1335 * 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
|
1336 */ |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1337 (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
|
1338 #endif /* _KERNEL */ |
|
4178
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1339 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
|
1340 hostid != myhostid) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1341 cmn_err(CE_WARN, "pool '%s' could not be " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1342 "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
|
1343 "another system (host: %s hostid: 0x%lx). " |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1344 "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
|
1345 spa_name(spa), hostname, |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1346 (unsigned long)hostid); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1347 error = EBADF; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1348 goto out; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1349 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1350 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1351 |
| 789 | 1352 spa_config_set(spa, newconfig); |
| 1353 spa_unload(spa); | |
| 1354 spa_deactivate(spa); | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1355 spa_activate(spa, orig_mode); |
| 789 | 1356 |
| 1544 | 1357 return (spa_load(spa, newconfig, state, B_TRUE)); |
| 1358 } | |
| 1359 | |
| 1360 if (zap_lookup(spa->spa_meta_objset, | |
| 1361 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, | |
| 1362 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) { | |
| 1363 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1364 VDEV_AUX_CORRUPT_DATA); | |
| 1365 error = EIO; | |
| 1366 goto out; | |
| 789 | 1367 } |
| 1368 | |
| 1544 | 1369 /* |
| 2082 | 1370 * Load the bit that tells us to use the new accounting function |
| 1371 * (raid-z deflation). If we have an older pool, this will not | |
| 1372 * be present. | |
| 1373 */ | |
| 1374 error = zap_lookup(spa->spa_meta_objset, | |
| 1375 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 1376 sizeof (uint64_t), 1, &spa->spa_deflate); | |
| 1377 if (error != 0 && error != ENOENT) { | |
| 1378 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1379 VDEV_AUX_CORRUPT_DATA); | |
| 1380 error = EIO; | |
| 1381 goto out; | |
| 1382 } | |
| 1383 | |
| 1384 /* | |
| 1544 | 1385 * Load the persistent error log. If we have an older pool, this will |
| 1386 * not be present. | |
| 1387 */ | |
| 1388 error = zap_lookup(spa->spa_meta_objset, | |
| 1389 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, | |
| 1390 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
|
1391 if (error != 0 && error != ENOENT) { |
| 1544 | 1392 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1393 VDEV_AUX_CORRUPT_DATA); | |
| 1394 error = EIO; | |
| 1395 goto out; | |
| 1396 } | |
| 1397 | |
| 1398 error = zap_lookup(spa->spa_meta_objset, | |
| 1399 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, | |
| 1400 sizeof (uint64_t), 1, &spa->spa_errlog_scrub); | |
| 1401 if (error != 0 && error != ENOENT) { | |
| 1402 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1403 VDEV_AUX_CORRUPT_DATA); | |
| 1404 error = EIO; | |
| 1405 goto out; | |
| 1406 } | |
| 789 | 1407 |
| 1408 /* | |
| 2926 | 1409 * Load the history object. If we have an older pool, this |
| 1410 * will not be present. | |
| 1411 */ | |
| 1412 error = zap_lookup(spa->spa_meta_objset, | |
| 1413 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, | |
| 1414 sizeof (uint64_t), 1, &spa->spa_history); | |
| 1415 if (error != 0 && error != ENOENT) { | |
| 1416 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1417 VDEV_AUX_CORRUPT_DATA); | |
| 1418 error = EIO; | |
| 1419 goto out; | |
| 1420 } | |
| 1421 | |
| 1422 /* | |
| 2082 | 1423 * Load any hot spares for this pool. |
| 1424 */ | |
| 1425 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 5450 | 1426 DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares.sav_object); |
| 2082 | 1427 if (error != 0 && error != ENOENT) { |
| 1428 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1429 VDEV_AUX_CORRUPT_DATA); | |
| 1430 error = EIO; | |
| 1431 goto out; | |
| 1432 } | |
| 1433 if (error == 0) { | |
| 4577 | 1434 ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
| 5450 | 1435 if (load_nvlist(spa, spa->spa_spares.sav_object, |
| 1436 &spa->spa_spares.sav_config) != 0) { | |
| 2082 | 1437 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1438 VDEV_AUX_CORRUPT_DATA); | |
| 1439 error = EIO; | |
| 1440 goto out; | |
| 1441 } | |
| 1442 | |
|
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
|
1443 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1444 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
|
1445 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 1446 } |
| 1447 | |
| 5450 | 1448 /* |
| 1449 * Load any level 2 ARC devices for this pool. | |
| 1450 */ | |
| 1451 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 1452 DMU_POOL_L2CACHE, sizeof (uint64_t), 1, | |
| 1453 &spa->spa_l2cache.sav_object); | |
| 1454 if (error != 0 && error != ENOENT) { | |
| 1455 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1456 VDEV_AUX_CORRUPT_DATA); | |
| 1457 error = EIO; | |
| 1458 goto out; | |
| 1459 } | |
| 1460 if (error == 0) { | |
| 1461 ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); | |
| 1462 if (load_nvlist(spa, spa->spa_l2cache.sav_object, | |
| 1463 &spa->spa_l2cache.sav_config) != 0) { | |
| 1464 vdev_set_state(rvd, B_TRUE, | |
| 1465 VDEV_STATE_CANT_OPEN, | |
| 1466 VDEV_AUX_CORRUPT_DATA); | |
| 1467 error = EIO; | |
| 1468 goto out; | |
| 1469 } | |
| 1470 | |
|
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
|
1471 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 1472 spa_load_l2cache(spa); |
|
7754
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diff
changeset
|
1473 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 1474 } |
| 1475 | |
|
9701
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6803605 should be able to offline log devices
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diff
changeset
|
1476 spa_load_log_state(spa); |
|
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6803605 should be able to offline log devices
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diff
changeset
|
1477 |
| 7294 | 1478 if (spa_check_logs(spa)) { |
| 1479 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1480 VDEV_AUX_BAD_LOG); | |
| 1481 error = ENXIO; | |
| 1482 ereport = FM_EREPORT_ZFS_LOG_REPLAY; | |
| 1483 goto out; | |
| 1484 } | |
| 1485 | |
| 1486 | |
| 5094 | 1487 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
| 4543 | 1488 |
| 3912 | 1489 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
| 1490 DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); | |
| 1491 | |
| 1492 if (error && error != ENOENT) { | |
| 1493 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1494 VDEV_AUX_CORRUPT_DATA); | |
| 1495 error = EIO; | |
| 1496 goto out; | |
| 1497 } | |
| 1498 | |
| 1499 if (error == 0) { | |
| 1500 (void) zap_lookup(spa->spa_meta_objset, | |
| 1501 spa->spa_pool_props_object, | |
| 4451 | 1502 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1503 sizeof (uint64_t), 1, &spa->spa_bootfs); |
| 4451 | 1504 (void) zap_lookup(spa->spa_meta_objset, |
| 1505 spa->spa_pool_props_object, | |
| 1506 zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), | |
| 1507 sizeof (uint64_t), 1, &autoreplace); | |
| 4543 | 1508 (void) zap_lookup(spa->spa_meta_objset, |
| 1509 spa->spa_pool_props_object, | |
| 1510 zpool_prop_to_name(ZPOOL_PROP_DELEGATION), | |
| 1511 sizeof (uint64_t), 1, &spa->spa_delegation); | |
| 5329 | 1512 (void) zap_lookup(spa->spa_meta_objset, |
| 1513 spa->spa_pool_props_object, | |
| 1514 zpool_prop_to_name(ZPOOL_PROP_FAILUREMODE), | |
| 1515 sizeof (uint64_t), 1, &spa->spa_failmode); | |
| 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
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diff
changeset
|
1525 if (autoreplace && state != SPA_LOAD_TRYIMPORT) |
| 4451 | 1526 spa_check_removed(spa->spa_root_vdev); |
| 1527 | |
| 1528 /* | |
|
1986
628267397204
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1807
diff
changeset
|
1529 * Load the vdev state for all toplevel vdevs. |
| 789 | 1530 */ |
|
1986
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diff
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|
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
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diff
changeset
|
1536 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 1537 vdev_dtl_reassess(rvd, 0, 0, B_FALSE); |
|
7754
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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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>
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diff
changeset
|
1549 if (spa_writeable(spa)) { |
|
1635
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bonwick
parents:
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diff
changeset
|
1550 dmu_tx_t *tx; |
|
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6398664 zpool detach: missing argument to error message causes core dump
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parents:
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diff
changeset
|
1551 int need_update = B_FALSE; |
|
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|
1552 |
|
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6328632 zpool offline is a bit too conservative
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|
1553 ASSERT(state != SPA_LOAD_TRYIMPORT); |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
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parents:
1585
diff
changeset
|
1554 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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parents:
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diff
changeset
|
1555 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
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diff
changeset
|
1556 * Claim log blocks that haven't been committed yet. |
|
0ab1193d47cb
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parents:
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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:
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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
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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parents:
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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
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6803605 should be able to offline log devices
George Wilson <George.Wilson@Sun.COM>
parents:
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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
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parents:
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diff
changeset
|
1573 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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parents:
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diff
changeset
|
1574 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
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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
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diff
changeset
|
1577 */ |
|
1635
0ab1193d47cb
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bonwick
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diff
changeset
|
1578 if (config_cache_txg != spa->spa_config_txg || |
|
0ab1193d47cb
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parents:
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diff
changeset
|
1579 state == SPA_LOAD_IMPORT) |
|
0ab1193d47cb
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changeset
|
1580 need_update = B_TRUE; |
|
0ab1193d47cb
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diff
changeset
|
1581 |
|
8241
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diff
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|
1582 for (int c = 0; c < rvd->vdev_children; c++) |
|
1635
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parents:
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diff
changeset
|
1583 if (rvd->vdev_child[c]->vdev_ms_array == 0) |
|
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parents:
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diff
changeset
|
1584 need_update = B_TRUE; |
|
1585
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bonwick
parents:
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diff
changeset
|
1585 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1586 /* |
|
1635
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bonwick
parents:
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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
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parents:
1601
diff
changeset
|
1588 * root pool, in which case the config cache isn't writable yet. |
|
1585
4ad213e858a9
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bonwick
parents:
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diff
changeset
|
1589 */ |
|
1635
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bonwick
parents:
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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
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parents:
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diff
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|
1592 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
1593 /* |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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parents:
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diff
changeset
|
1594 * Check all DTLs to see if anything needs resilvering. |
|
5a60f16123ba
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
1595 */ |
|
5a60f16123ba
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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
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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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
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6625086 changing cachefile doesn't remove old cache on last user
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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>
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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
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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; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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3290
diff
changeset
|
1751 uint64_t pool; |
| 2082 | 1752 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
1753 ASSERT(spa_config_held(spa, SCL_CONFIG, RW_READER)); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
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; | |
| 2082 | 2089 int c, 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) { |
| 2151 for (c = 0; c < rvd->vdev_children; c++) | |
| 2152 vdev_init(rvd->vdev_child[c], txg); | |
| 2153 vdev_config_dirty(rvd); | |
|
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2154 } |
|
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2155 |
|
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2156 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 2157 |
| 2082 | 2158 if (error != 0) { |
| 789 | 2159 spa_unload(spa); |
| 2160 spa_deactivate(spa); | |
| 2161 spa_remove(spa); | |
| 2162 mutex_exit(&spa_namespace_lock); | |
| 2163 return (error); | |
| 2164 } | |
| 2165 | |
| 2082 | 2166 /* |
| 2167 * Get the list of spares, if specified. | |
| 2168 */ | |
| 2169 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 2170 &spares, &nspares) == 0) { | |
| 5450 | 2171 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, |
| 2082 | 2172 KM_SLEEP) == 0); |
| 5450 | 2173 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 2174 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
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2175 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 2176 spa_load_spares(spa); |
|
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2177 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2178 spa->spa_spares.sav_sync = B_TRUE; |
| 2179 } | |
| 2180 | |
| 2181 /* | |
| 2182 * Get the list of level 2 cache devices, if specified. | |
| 2183 */ | |
| 2184 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 2185 &l2cache, &nl2cache) == 0) { | |
| 2186 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 2187 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2188 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 2189 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
|
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2190 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 2191 spa_load_l2cache(spa); |
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2192 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2193 spa->spa_l2cache.sav_sync = B_TRUE; |
| 2082 | 2194 } |
| 2195 | |
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2196 spa->spa_dsl_pool = dp = dsl_pool_create(spa, zplprops, txg); |
| 789 | 2197 spa->spa_meta_objset = dp->dp_meta_objset; |
| 2198 | |
| 2199 tx = dmu_tx_create_assigned(dp, txg); | |
| 2200 | |
| 2201 /* | |
| 2202 * Create the pool config object. | |
| 2203 */ | |
| 2204 spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, | |
|
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2205 DMU_OT_PACKED_NVLIST, SPA_CONFIG_BLOCKSIZE, |
| 789 | 2206 DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); |
| 2207 | |
| 1544 | 2208 if (zap_add(spa->spa_meta_objset, |
| 789 | 2209 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 2210 sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { |
| 2211 cmn_err(CE_PANIC, "failed to add pool config"); | |
| 2212 } | |
| 789 | 2213 |
| 5094 | 2214 /* Newly created pools with the right version are always deflated. */ |
| 2215 if (version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2216 spa->spa_deflate = TRUE; | |
| 2217 if (zap_add(spa->spa_meta_objset, | |
| 2218 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 2219 sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { | |
| 2220 cmn_err(CE_PANIC, "failed to add deflate"); | |
| 2221 } | |
| 2082 | 2222 } |
| 2223 | |
| 789 | 2224 /* |
| 2225 * Create the deferred-free bplist object. Turn off compression | |
| 2226 * because sync-to-convergence takes longer if the blocksize | |
| 2227 * keeps changing. | |
| 2228 */ | |
| 2229 spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, | |
| 2230 1 << 14, tx); | |
| 2231 dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, | |
| 2232 ZIO_COMPRESS_OFF, tx); | |
| 2233 | |
| 1544 | 2234 if (zap_add(spa->spa_meta_objset, |
| 789 | 2235 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
| 1544 | 2236 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) { |
| 2237 cmn_err(CE_PANIC, "failed to add bplist"); | |
| 2238 } | |
| 789 | 2239 |
| 2926 | 2240 /* |
| 2241 * Create the pool's history object. | |
| 2242 */ | |
| 5094 | 2243 if (version >= SPA_VERSION_ZPOOL_HISTORY) |
| 2244 spa_history_create_obj(spa, tx); | |
| 2245 | |
| 2246 /* | |
| 2247 * Set pool properties. | |
| 2248 */ | |
| 2249 spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); | |
| 2250 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); | |
| 5329 | 2251 spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); |
|
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2252 if (props != NULL) { |
|
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2253 spa_configfile_set(spa, props, B_FALSE); |
| 5094 | 2254 spa_sync_props(spa, props, CRED(), tx); |
|
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2255 } |
| 2926 | 2256 |
| 789 | 2257 dmu_tx_commit(tx); |
| 2258 | |
| 2259 spa->spa_sync_on = B_TRUE; | |
| 2260 txg_sync_start(spa->spa_dsl_pool); | |
| 2261 | |
| 2262 /* | |
| 2263 * We explicitly wait for the first transaction to complete so that our | |
| 2264 * bean counters are appropriately updated. | |
| 2265 */ | |
| 2266 txg_wait_synced(spa->spa_dsl_pool, txg); | |
| 2267 | |
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2268 spa_config_sync(spa, B_FALSE, B_TRUE); |
| 789 | 2269 |
| 5094 | 2270 if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL) |
|
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2271 (void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE); |
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2272 |
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2273 spa->spa_minref = refcount_count(&spa->spa_refcount); |
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2274 |
| 789 | 2275 mutex_exit(&spa_namespace_lock); |
| 2276 | |
| 2277 return (0); | |
| 2278 } | |
| 2279 | |
| 6423 | 2280 #ifdef _KERNEL |
| 2281 /* | |
| 2282 * Build a "root" vdev for a top level vdev read in from a rootpool | |
| 2283 * device label. | |
| 2284 */ | |
| 2285 static void | |
| 2286 spa_build_rootpool_config(nvlist_t *config) | |
| 2287 { | |
| 2288 nvlist_t *nvtop, *nvroot; | |
| 2289 uint64_t pgid; | |
| 2290 | |
| 2291 /* | |
| 2292 * Add this top-level vdev to the child array. | |
| 2293 */ | |
| 2294 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvtop) | |
| 2295 == 0); | |
| 2296 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pgid) | |
| 2297 == 0); | |
| 2298 | |
| 2299 /* | |
| 2300 * Put this pool's top-level vdevs into a root vdev. | |
| 2301 */ | |
| 2302 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2303 VERIFY(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) | |
| 2304 == 0); | |
| 2305 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) == 0); | |
| 2306 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_GUID, pgid) == 0); | |
| 2307 VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
| 2308 &nvtop, 1) == 0); | |
| 2309 | |
| 2310 /* | |
| 2311 * Replace the existing vdev_tree with the new root vdev in | |
| 2312 * this pool's configuration (remove the old, add the new). | |
| 2313 */ | |
| 2314 VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0); | |
| 2315 nvlist_free(nvroot); | |
| 2316 } | |
| 2317 | |
| 2318 /* | |
| 2319 * Get the root pool information from the root disk, then import the root pool | |
| 2320 * during the system boot up time. | |
| 2321 */ | |
|
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2322 extern int vdev_disk_read_rootlabel(char *, char *, nvlist_t **); |
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2323 |
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2324 int |
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2325 spa_check_rootconf(char *devpath, char *devid, nvlist_t **bestconf, |
| 6423 | 2326 uint64_t *besttxg) |
| 2327 { | |
| 2328 nvlist_t *config; | |
| 2329 uint64_t txg; | |
|
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2330 int error; |
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2331 |
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2332 if (error = vdev_disk_read_rootlabel(devpath, devid, &config)) |
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2333 return (error); |
| 6423 | 2334 |
| 2335 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &txg) == 0); | |
| 2336 | |
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2337 if (bestconf != NULL) |
| 6423 | 2338 *bestconf = config; |
|
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2339 else |
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2340 nvlist_free(config); |
|
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2341 *besttxg = txg; |
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2342 return (0); |
| 6423 | 2343 } |
| 2344 | |
| 2345 boolean_t | |
| 2346 spa_rootdev_validate(nvlist_t *nv) | |
| 2347 { | |
| 2348 uint64_t ival; | |
| 2349 | |
| 2350 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || | |
| 2351 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || | |
| 2352 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) | |
| 2353 return (B_FALSE); | |
| 2354 | |
| 2355 return (B_TRUE); | |
| 2356 } | |
| 2357 | |
|
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2358 |
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2359 /* |
|
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2360 * Given the boot device's physical path or devid, check if the device |
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diff
changeset
|
2361 * is in a valid state. If so, return the configuration from the vdev |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2362 * label. |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2363 */ |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2364 int |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2365 spa_get_rootconf(char *devpath, char *devid, nvlist_t **bestconf) |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2366 { |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2367 nvlist_t *conf = NULL; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2368 uint64_t txg = 0; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2369 nvlist_t *nvtop, **child; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2370 char *type; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2371 char *bootpath = NULL; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2372 uint_t children, c; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2373 char *tmp; |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2374 int error; |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2375 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2376 if (devpath && ((tmp = strchr(devpath, ' ')) != NULL)) |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2377 *tmp = '\0'; |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2378 if (error = spa_check_rootconf(devpath, devid, &conf, &txg)) { |
|
7147
1e1d75c88283
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parents:
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diff
changeset
|
2379 cmn_err(CE_NOTE, "error reading device label"); |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2380 return (error); |
|
7147
1e1d75c88283
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parents:
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diff
changeset
|
2381 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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diff
changeset
|
2382 if (txg == 0) { |
|
1e1d75c88283
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parents:
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diff
changeset
|
2383 cmn_err(CE_NOTE, "this device is detached"); |
|
1e1d75c88283
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parents:
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diff
changeset
|
2384 nvlist_free(conf); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2385 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2386 } |
|
1e1d75c88283
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parents:
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diff
changeset
|
2387 |
|
1e1d75c88283
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parents:
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diff
changeset
|
2388 VERIFY(nvlist_lookup_nvlist(conf, ZPOOL_CONFIG_VDEV_TREE, |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2389 &nvtop) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2390 VERIFY(nvlist_lookup_string(nvtop, ZPOOL_CONFIG_TYPE, &type) == 0); |
|
1e1d75c88283
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diff
changeset
|
2391 |
|
1e1d75c88283
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parents:
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diff
changeset
|
2392 if (strcmp(type, VDEV_TYPE_DISK) == 0) { |
|
1e1d75c88283
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parents:
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diff
changeset
|
2393 if (spa_rootdev_validate(nvtop)) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2394 goto out; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2395 } else { |
|
1e1d75c88283
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parents:
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diff
changeset
|
2396 nvlist_free(conf); |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2397 return (EINVAL); |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2398 } |
|
1e1d75c88283
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parents:
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diff
changeset
|
2399 } |
|
1e1d75c88283
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parents:
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diff
changeset
|
2400 |
|
1e1d75c88283
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parents:
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diff
changeset
|
2401 ASSERT(strcmp(type, VDEV_TYPE_MIRROR) == 0); |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2402 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2403 VERIFY(nvlist_lookup_nvlist_array(nvtop, ZPOOL_CONFIG_CHILDREN, |
|
1e1d75c88283
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taylor
parents:
7046
diff
changeset
|
2404 &child, &children) == 0); |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2405 |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2406 /* |
|
1e1d75c88283
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parents:
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diff
changeset
|
2407 * Go thru vdevs in the mirror to see if the given device |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2408 * has the most recent txg. Only the device with the most |
|
1e1d75c88283
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parents:
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diff
changeset
|
2409 * recent txg has valid information and should be booted. |
|
1e1d75c88283
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parents:
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diff
changeset
|
2410 */ |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2411 for (c = 0; c < children; c++) { |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2412 char *cdevid, *cpath; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2413 uint64_t tmptxg; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2414 |
|
8242
e46e4b2f0a03
6770866 GRUB/ZFS should require physical path or devid, but not both
Lin Ling <Lin.Ling@Sun.COM>
parents:
8241
diff
changeset
|
2415 cpath = NULL; |
|
e46e4b2f0a03
6770866 GRUB/ZFS should require physical path or devid, but not both
Lin Ling <Lin.Ling@Sun.COM>
parents:
8241
diff
changeset
|
2416 cdevid = NULL; |
|
9616
b12e6357efad
6820274 grub could do a better job of finding a menu.lst file
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
9515
diff
changeset
|
2417 (void) nvlist_lookup_string(child[c], ZPOOL_CONFIG_PHYS_PATH, |
|
b12e6357efad
6820274 grub could do a better job of finding a menu.lst file
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
9515
diff
changeset
|
2418 &cpath); |
|
b12e6357efad
6820274 grub could do a better job of finding a menu.lst file
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
9515
diff
changeset
|
2419 (void) nvlist_lookup_string(child[c], ZPOOL_CONFIG_DEVID, |
|
b12e6357efad
6820274 grub could do a better job of finding a menu.lst file
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
9515
diff
changeset
|
2420 &cdevid); |
|
b12e6357efad
6820274 grub could do a better job of finding a menu.lst file
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
9515
diff
changeset
|
2421 if (cpath == NULL && cdevid == NULL) |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2422 return (EINVAL); |
|
7687
1132fbaf0c27
6750475 can't boot off a mirrored root with a failed disk
Lin Ling <Lin.Ling@Sun.COM>
parents:
7539
diff
changeset
|
2423 if ((spa_check_rootconf(cpath, cdevid, NULL, |
|
1132fbaf0c27
6750475 can't boot off a mirrored root with a failed disk
Lin Ling <Lin.Ling@Sun.COM>
parents:
7539
diff
changeset
|
2424 &tmptxg) == 0) && (tmptxg > txg)) { |
|
7147
1e1d75c88283
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taylor
parents:
7046
diff
changeset
|
2425 txg = tmptxg; |
|
1e1d75c88283
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taylor
parents:
7046
diff
changeset
|
2426 VERIFY(nvlist_lookup_string(child[c], |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2427 ZPOOL_CONFIG_PATH, &bootpath) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2428 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2429 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2430 |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2431 /* Does the best device match the one we've booted from? */ |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2432 if (bootpath) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2433 cmn_err(CE_NOTE, "try booting from '%s'", bootpath); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2434 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2435 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2436 out: |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2437 *bestconf = conf; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2438 return (0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2439 } |
|
1e1d75c88283
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diff
changeset
|
2440 |
| 6423 | 2441 /* |
| 2442 * Import a root pool. | |
| 2443 * | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2444 * For x86. devpath_list will consist of devid and/or physpath name of |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2445 * the vdev (e.g. "id1,sd@SSEAGATE..." or "/pci@1f,0/ide@d/disk@0,0:a"). |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2446 * The GRUB "findroot" command will return the vdev we should boot. |
| 6423 | 2447 * |
| 2448 * For Sparc, devpath_list consists the physpath name of the booting device | |
| 2449 * no matter the rootpool is a single device pool or a mirrored pool. | |
| 2450 * e.g. | |
| 2451 * "/pci@1f,0/ide@d/disk@0,0:a" | |
| 2452 */ | |
| 2453 int | |
|
7147
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6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2454 spa_import_rootpool(char *devpath, char *devid) |
| 6423 | 2455 { |
| 2456 nvlist_t *conf = NULL; | |
| 2457 char *pname; | |
| 2458 int error; | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2459 spa_t *spa; |
| 6423 | 2460 |
| 2461 /* | |
| 2462 * Get the vdev pathname and configuation from the most | |
| 2463 * recently updated vdev (highest txg). | |
| 2464 */ | |
|
7147
1e1d75c88283
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taylor
parents:
7046
diff
changeset
|
2465 if (error = spa_get_rootconf(devpath, devid, &conf)) |
| 6423 | 2466 goto msg_out; |
| 2467 | |
| 2468 /* | |
| 2469 * Add type "root" vdev to the config. | |
| 2470 */ | |
| 2471 spa_build_rootpool_config(conf); | |
| 2472 | |
| 2473 VERIFY(nvlist_lookup_string(conf, ZPOOL_CONFIG_POOL_NAME, &pname) == 0); | |
| 2474 | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2475 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
|
2476 if ((spa = spa_lookup(pname)) != NULL) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2477 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2478 * Remove the existing root pool from the namespace so that we |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2479 * can replace it with the correct config we just read in. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2480 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2481 spa_remove(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2482 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2483 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2484 spa = spa_add(pname, NULL); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2485 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2486 spa->spa_is_root = B_TRUE; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2487 VERIFY(nvlist_dup(conf, &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
|
2488 mutex_exit(&spa_namespace_lock); |
| 6423 | 2489 |
| 2490 nvlist_free(conf); | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2491 return (0); |
| 6423 | 2492 |
| 2493 msg_out: | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2494 cmn_err(CE_NOTE, "\n" |
| 6423 | 2495 " *************************************************** \n" |
| 2496 " * This device is not bootable! * \n" | |
| 2497 " * It is either offlined or detached or faulted. * \n" | |
| 2498 " * Please try to boot from a different device. * \n" | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2499 " *************************************************** "); |
| 6423 | 2500 |
| 2501 return (error); | |
| 2502 } | |
| 2503 #endif | |
| 2504 | |
| 2505 /* | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2506 * 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
|
2507 * boot. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2508 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2509 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2510 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
|
2511 { |
|
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6799895 spa_add_spares() needs to be protected by config lock
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2512 spa_t *spa; |
|
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2513 char *altroot = NULL; |
|
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2514 |
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2515 mutex_enter(&spa_namespace_lock); |
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2516 if (spa_lookup(pool) != NULL) { |
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2517 mutex_exit(&spa_namespace_lock); |
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2518 return (EEXIST); |
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2519 } |
|
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2520 |
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2521 (void) nvlist_lookup_string(props, |
|
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2522 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); |
|
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2523 spa = spa_add(pool, altroot); |
|
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2524 |
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2525 VERIFY(nvlist_dup(config, &spa->spa_config, 0) == 0); |
|
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2526 |
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2527 if (props != NULL) |
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2528 spa_configfile_set(spa, props, B_FALSE); |
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2529 |
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2530 spa_config_sync(spa, B_FALSE, B_TRUE); |
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2531 |
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2532 mutex_exit(&spa_namespace_lock); |
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2533 |
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2534 return (0); |
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2535 } |
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2536 |
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2537 /* |
| 6423 | 2538 * Import a non-root pool into the system. |
| 2539 */ | |
| 2540 int | |
| 2541 spa_import(const char *pool, nvlist_t *config, nvlist_t *props) | |
| 2542 { | |
|
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2543 spa_t *spa; |
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2544 char *altroot = NULL; |
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2545 int error; |
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2546 nvlist_t *nvroot; |
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2547 nvlist_t **spares, **l2cache; |
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2548 uint_t nspares, nl2cache; |
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2549 |
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2550 /* |
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2551 * If a pool with this name exists, return failure. |
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2552 */ |
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2553 mutex_enter(&spa_namespace_lock); |
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2554 if ((spa = spa_lookup(pool)) != NULL) { |
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2555 mutex_exit(&spa_namespace_lock); |
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2556 return (EEXIST); |
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2557 } |
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2558 |
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2559 /* |
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2560 * Create and initialize the spa structure. |
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2561 */ |
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2562 (void) nvlist_lookup_string(props, |
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2563 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); |
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2564 spa = spa_add(pool, altroot); |
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2565 spa_activate(spa, spa_mode_global); |
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2566 |
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2567 /* |
|
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2568 * Don't start async tasks until we know everything is healthy. |
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2569 */ |
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2570 spa_async_suspend(spa); |
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2571 |
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2572 /* |
|
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2573 * Pass off the heavy lifting to spa_load(). Pass TRUE for mosconfig |
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2574 * because the user-supplied config is actually the one to trust when |
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2575 * doing an import. |
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2576 */ |
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2577 error = spa_load(spa, config, SPA_LOAD_IMPORT, B_TRUE); |
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2578 |
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2579 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
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2580 /* |
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2581 * Toss any existing sparelist, as it doesn't have any validity |
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2582 * anymore, and conflicts with spa_has_spare(). |
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2583 */ |
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2584 if (spa->spa_spares.sav_config) { |
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2585 nvlist_free(spa->spa_spares.sav_config); |
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2586 spa->spa_spares.sav_config = NULL; |
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2587 spa_load_spares(spa); |
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2588 } |
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2589 if (spa->spa_l2cache.sav_config) { |
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2590 nvlist_free(spa->spa_l2cache.sav_config); |
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2591 spa->spa_l2cache.sav_config = NULL; |
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2592 spa_load_l2cache(spa); |
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2593 } |
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2594 |
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2595 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
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2596 &nvroot) == 0); |
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2597 if (error == 0) |
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2598 error = spa_validate_aux(spa, nvroot, -1ULL, |
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2599 VDEV_ALLOC_SPARE); |
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2600 if (error == 0) |
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2601 error = spa_validate_aux(spa, nvroot, -1ULL, |
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2602 VDEV_ALLOC_L2CACHE); |
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2603 spa_config_exit(spa, SCL_ALL, FTAG); |
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2604 |
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2605 if (props != NULL) |
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2606 spa_configfile_set(spa, props, B_FALSE); |
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2607 |
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2608 if (error != 0 || (props && spa_writeable(spa) && |
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2609 (error = spa_prop_set(spa, props)))) { |
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2610 spa_unload(spa); |
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2611 spa_deactivate(spa); |
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2612 spa_remove(spa); |
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2613 mutex_exit(&spa_namespace_lock); |
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2614 return (error); |
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2615 } |
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2616 |
|
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2617 spa_async_resume(spa); |
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2618 |
|
9425
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|
2619 /* |
|
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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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9276
diff
changeset
|
2620 * Override any spares and level 2 cache devices as specified by |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
2621 * the user, as these may have correct device names/devids, etc. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2622 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2623 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2624 &spares, &nspares) == 0) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2625 if (spa->spa_spares.sav_config) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2626 VERIFY(nvlist_remove(spa->spa_spares.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2627 ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2628 else |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2629 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2630 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2631 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2632 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2633 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2634 spa_load_spares(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2635 spa_config_exit(spa, SCL_ALL, FTAG); |
|
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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
|
2636 spa->spa_spares.sav_sync = B_TRUE; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2637 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2638 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2639 &l2cache, &nl2cache) == 0) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2640 if (spa->spa_l2cache.sav_config) |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2641 VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2642 ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2643 else |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2644 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2645 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2646 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2647 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2648 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2649 spa_load_l2cache(spa); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2650 spa_config_exit(spa, SCL_ALL, FTAG); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2651 spa->spa_l2cache.sav_sync = B_TRUE; |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2652 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2653 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2654 if (spa_writeable(spa)) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2655 /* |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2656 * Update the config cache to include the newly-imported pool. |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2657 */ |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2658 spa_config_update_common(spa, SPA_CONFIG_UPDATE_POOL, B_FALSE); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2659 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2660 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2661 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
|
2662 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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9276
diff
changeset
|
2663 return (0); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2664 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2665 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2666 |
| 789 | 2667 /* |
| 2668 * This (illegal) pool name is used when temporarily importing a spa_t in order | |
| 2669 * to get the vdev stats associated with the imported devices. | |
| 2670 */ | |
| 2671 #define TRYIMPORT_NAME "$import" | |
| 2672 | |
| 2673 nvlist_t * | |
| 2674 spa_tryimport(nvlist_t *tryconfig) | |
| 2675 { | |
| 2676 nvlist_t *config = NULL; | |
| 2677 char *poolname; | |
| 2678 spa_t *spa; | |
| 2679 uint64_t state; | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2680 int error; |
| 789 | 2681 |
| 2682 if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) | |
| 2683 return (NULL); | |
| 2684 | |
| 2685 if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) | |
| 2686 return (NULL); | |
| 2687 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2688 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2689 * Create and initialize the spa structure. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2690 */ |
| 789 | 2691 mutex_enter(&spa_namespace_lock); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2692 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
|
2693 spa_activate(spa, FREAD); |
| 789 | 2694 |
| 2695 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2696 * Pass off the heavy lifting to spa_load(). |
| 1732 | 2697 * Pass TRUE for mosconfig because the user-supplied config |
| 2698 * is actually the one to trust when doing an import. | |
| 789 | 2699 */ |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2700 error = spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
| 789 | 2701 |
| 2702 /* | |
| 2703 * If 'tryconfig' was at least parsable, return the current config. | |
| 2704 */ | |
| 2705 if (spa->spa_root_vdev != NULL) { | |
| 2706 config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); | |
| 2707 VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, | |
| 2708 poolname) == 0); | |
| 2709 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, | |
| 2710 state) == 0); | |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2711 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2712 spa->spa_uberblock.ub_timestamp) == 0); |
| 2082 | 2713 |
| 2714 /* | |
| 6423 | 2715 * If the bootfs property exists on this pool then we |
| 2716 * copy it out so that external consumers can tell which | |
| 2717 * pools are bootable. | |
| 2718 */ | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2719 if ((!error || error == EEXIST) && spa->spa_bootfs) { |
| 6423 | 2720 char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
| 2721 | |
| 2722 /* | |
| 2723 * We have to play games with the name since the | |
| 2724 * pool was opened as TRYIMPORT_NAME. | |
| 2725 */ | |
|
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
|
2726 if (dsl_dsobj_to_dsname(spa_name(spa), |
| 6423 | 2727 spa->spa_bootfs, tmpname) == 0) { |
| 2728 char *cp; | |
| 2729 char *dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
| 2730 | |
| 2731 cp = strchr(tmpname, '/'); | |
| 2732 if (cp == NULL) { | |
| 2733 (void) strlcpy(dsname, tmpname, | |
| 2734 MAXPATHLEN); | |
| 2735 } else { | |
| 2736 (void) snprintf(dsname, MAXPATHLEN, | |
| 2737 "%s/%s", poolname, ++cp); | |
| 2738 } | |
| 2739 VERIFY(nvlist_add_string(config, | |
| 2740 ZPOOL_CONFIG_BOOTFS, dsname) == 0); | |
| 2741 kmem_free(dsname, MAXPATHLEN); | |
| 2742 } | |
| 2743 kmem_free(tmpname, MAXPATHLEN); | |
| 2744 } | |
| 2745 | |
| 2746 /* | |
| 5450 | 2747 * Add the list of hot spares and level 2 cache devices. |
| 2082 | 2748 */ |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2749 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 2082 | 2750 spa_add_spares(spa, config); |
| 5450 | 2751 spa_add_l2cache(spa, config); |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
2752 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 789 | 2753 } |
| 2754 | |
| 2755 spa_unload(spa); | |
| 2756 spa_deactivate(spa); | |
| 2757 spa_remove(spa); | |
| 2758 mutex_exit(&spa_namespace_lock); | |
| 2759 | |
| 2760 return (config); | |
| 2761 } | |
| 2762 | |
| 2763 /* | |
| 2764 * Pool export/destroy | |
| 2765 * | |
| 2766 * The act of destroying or exporting a pool is very simple. We make sure there | |
| 2767 * is no more pending I/O and any references to the pool are gone. Then, we | |
| 2768 * 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
|
2769 * 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
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2770 * we don't sync the labels or remove the configuration cache. |
| 789 | 2771 */ |
| 2772 static int | |
|
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
|
2773 spa_export_common(char *pool, int new_state, nvlist_t **oldconfig, |
|
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
|
2774 boolean_t force, boolean_t hardforce) |
| 789 | 2775 { |
| 2776 spa_t *spa; | |
| 2777 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2778 if (oldconfig) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2779 *oldconfig = NULL; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2780 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
2781 if (!(spa_mode_global & FWRITE)) |
| 789 | 2782 return (EROFS); |
| 2783 | |
| 2784 mutex_enter(&spa_namespace_lock); | |
| 2785 if ((spa = spa_lookup(pool)) == NULL) { | |
| 2786 mutex_exit(&spa_namespace_lock); | |
| 2787 return (ENOENT); | |
| 2788 } | |
| 2789 | |
| 2790 /* | |
| 1544 | 2791 * Put a hold on the pool, drop the namespace lock, stop async tasks, |
| 2792 * reacquire the namespace lock, and see if we can export. | |
| 2793 */ | |
| 2794 spa_open_ref(spa, FTAG); | |
| 2795 mutex_exit(&spa_namespace_lock); | |
| 2796 spa_async_suspend(spa); | |
| 2797 mutex_enter(&spa_namespace_lock); | |
| 2798 spa_close(spa, FTAG); | |
| 2799 | |
| 2800 /* | |
| 789 | 2801 * The pool will be in core if it's openable, |
| 2802 * in which case we can modify its state. | |
| 2803 */ | |
| 2804 if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) { | |
| 2805 /* | |
| 2806 * Objsets may be open only because they're dirty, so we | |
| 2807 * have to force it to sync before checking spa_refcnt. | |
| 2808 */ | |
| 2809 txg_wait_synced(spa->spa_dsl_pool, 0); | |
| 2810 | |
| 1544 | 2811 /* |
| 2812 * A pool cannot be exported or destroyed if there are active | |
| 2813 * references. If we are resetting a pool, allow references by | |
| 2814 * fault injection handlers. | |
| 2815 */ | |
| 2816 if (!spa_refcount_zero(spa) || | |
| 2817 (spa->spa_inject_ref != 0 && | |
| 2818 new_state != POOL_STATE_UNINITIALIZED)) { | |
| 2819 spa_async_resume(spa); | |
| 789 | 2820 mutex_exit(&spa_namespace_lock); |
| 2821 return (EBUSY); | |
| 2822 } | |
| 2823 | |
| 2824 /* | |
|
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
|
2825 * 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.
lling
parents:
7184
diff
changeset
|
2826 * 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.
lling
parents:
7184
diff
changeset
|
2827 * 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.
lling
parents:
7184
diff
changeset
|
2828 * be forcedly exported. |
|
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
|
2829 */ |
|
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
|
2830 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.
lling
parents:
7184
diff
changeset
|
2831 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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diff
changeset
|
2832 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
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|
2833 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.
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7184
diff
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|
2834 return (EXDEV); |
|
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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parents:
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diff
changeset
|
2835 } |
|
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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|
2836 |
|
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
|
2837 /* |
| 789 | 2838 * We want this to be reflected on every label, |
| 2839 * so mark them all dirty. spa_unload() will do the | |
| 2840 * final sync that pushes these changes out. | |
| 2841 */ | |
|
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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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7897
diff
changeset
|
2842 if (new_state != POOL_STATE_UNINITIALIZED && !hardforce) { |
|
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
|
2843 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1544 | 2844 spa->spa_state = new_state; |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
bonwick
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diff
changeset
|
2845 spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
| 1544 | 2846 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>
parents:
7706
diff
changeset
|
2847 spa_config_exit(spa, SCL_ALL, FTAG); |
| 1544 | 2848 } |
| 789 | 2849 } |
| 2850 | |
| 4451 | 2851 spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
| 2852 | |
| 789 | 2853 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
| 2854 spa_unload(spa); | |
| 2855 spa_deactivate(spa); | |
| 2856 } | |
| 2857 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2858 if (oldconfig && spa->spa_config) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2859 VERIFY(nvlist_dup(spa->spa_config, oldconfig, 0) == 0); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2860 |
| 1544 | 2861 if (new_state != POOL_STATE_UNINITIALIZED) { |
|
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
|
2862 if (!hardforce) |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2863 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 1544 | 2864 spa_remove(spa); |
| 2865 } | |
| 789 | 2866 mutex_exit(&spa_namespace_lock); |
| 2867 | |
| 2868 return (0); | |
| 2869 } | |
| 2870 | |
| 2871 /* | |
| 2872 * Destroy a storage pool. | |
| 2873 */ | |
| 2874 int | |
| 2875 spa_destroy(char *pool) | |
| 2876 { | |
|
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
|
2877 return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL, |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2878 B_FALSE, B_FALSE)); |
| 789 | 2879 } |
| 2880 | |
| 2881 /* | |
| 2882 * Export a storage pool. | |
| 2883 */ | |
| 2884 int | |
|
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
|
2885 spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2886 boolean_t hardforce) |
| 789 | 2887 { |
|
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
|
2888 return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig, |
|
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2889 force, hardforce)); |
| 789 | 2890 } |
| 2891 | |
| 2892 /* | |
| 1544 | 2893 * Similar to spa_export(), this unloads the spa_t without actually removing it |
| 2894 * from the namespace in any way. | |
| 2895 */ | |
| 2896 int | |
| 2897 spa_reset(char *pool) | |
| 2898 { | |
|
7214
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
|
2899 return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL, |
|
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
|
2900 B_FALSE, B_FALSE)); |
| 1544 | 2901 } |
| 2902 | |
| 2903 /* | |
| 789 | 2904 * ========================================================================== |
| 2905 * Device manipulation | |
| 2906 * ========================================================================== | |
| 2907 */ | |
| 2908 | |
| 2909 /* | |
| 4527 | 2910 * Add a device to a storage pool. |
| 789 | 2911 */ |
| 2912 int | |
| 2913 spa_vdev_add(spa_t *spa, nvlist_t *nvroot) | |
| 2914 { | |
| 2915 uint64_t txg; | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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8211
diff
changeset
|
2916 int error; |
| 789 | 2917 vdev_t *rvd = spa->spa_root_vdev; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2918 vdev_t *vd, *tvd; |
| 5450 | 2919 nvlist_t **spares, **l2cache; |
| 2920 uint_t nspares, nl2cache; | |
| 789 | 2921 |
| 2922 txg = spa_vdev_enter(spa); | |
| 2923 | |
| 2082 | 2924 if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
| 2925 VDEV_ALLOC_ADD)) != 0) | |
| 2926 return (spa_vdev_exit(spa, NULL, txg, error)); | |
| 2927 | |
|
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
|
2928 spa->spa_pending_vdev = vd; /* spa_vdev_exit() will clear this */ |
| 789 | 2929 |
| 5450 | 2930 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, |
| 2931 &nspares) != 0) | |
| 2082 | 2932 nspares = 0; |
| 2933 | |
| 5450 | 2934 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, |
| 2935 &nl2cache) != 0) | |
| 2936 nl2cache = 0; | |
| 2937 | |
|
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
|
2938 if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0) |
| 2082 | 2939 return (spa_vdev_exit(spa, vd, txg, EINVAL)); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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parents:
7706
diff
changeset
|
2940 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2941 if (vd->vdev_children != 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
|
2942 (error = vdev_create(vd, txg, B_FALSE)) != 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
|
2943 return (spa_vdev_exit(spa, vd, txg, error)); |
| 2082 | 2944 |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2945 /* |
| 5450 | 2946 * We must validate the spares and l2cache devices after checking the |
| 2947 * children. Otherwise, vdev_inuse() will blindly overwrite the spare. | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2948 */ |
|
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
|
2949 if ((error = spa_validate_aux(spa, nvroot, txg, VDEV_ALLOC_ADD)) != 0) |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2950 return (spa_vdev_exit(spa, vd, txg, error)); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2951 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2952 /* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2953 * Transfer each new top-level vdev from vd to rvd. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2954 */ |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
2955 for (int c = 0; c < vd->vdev_children; c++) { |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2956 tvd = vd->vdev_child[c]; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2957 vdev_remove_child(vd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2958 tvd->vdev_id = rvd->vdev_children; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2959 vdev_add_child(rvd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2960 vdev_config_dirty(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2961 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2962 |
| 2082 | 2963 if (nspares != 0) { |
| 5450 | 2964 spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, |
| 2965 ZPOOL_CONFIG_SPARES); | |
| 2082 | 2966 spa_load_spares(spa); |
| 5450 | 2967 spa->spa_spares.sav_sync = B_TRUE; |
| 2968 } | |
| 2969 | |
| 2970 if (nl2cache != 0) { | |
| 2971 spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, | |
| 2972 ZPOOL_CONFIG_L2CACHE); | |
| 2973 spa_load_l2cache(spa); | |
| 2974 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 789 | 2975 } |
| 2976 | |
| 2977 /* | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2978 * We have to be careful when adding new vdevs to an existing pool. |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2979 * If other threads start allocating from these vdevs before we |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2980 * 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:
1544
diff
changeset
|
2981 * 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
|
2982 * 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
|
2983 * initializing metaslabs; sync the config cache (via spa_vdev_exit()); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2984 * and then let spa_config_update() initialize the new metaslabs. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2985 * |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2986 * spa_load() checks for added-but-not-initialized vdevs, so that |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2987 * if we lose power at any point in this sequence, the remaining |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2988 * steps will be completed the next time we load the pool. |
| 789 | 2989 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2990 (void) spa_vdev_exit(spa, vd, txg, 0); |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2991 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2992 mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
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1601
diff
changeset
|
2993 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2994 mutex_exit(&spa_namespace_lock); |
| 789 | 2995 |
|
1635
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1601
diff
changeset
|
2996 return (0); |
| 789 | 2997 } |
| 2998 | |
| 2999 /* | |
| 3000 * Attach a device to a mirror. The arguments are the path to any device | |
| 3001 * in the mirror, and the nvroot for the new device. If the path specifies | |
| 3002 * a device that is not mirrored, we automatically insert the mirror vdev. | |
| 3003 * | |
| 3004 * If 'replacing' is specified, the new device is intended to replace the | |
| 3005 * existing device; in this case the two devices are made into their own | |
| 4451 | 3006 * mirror using the 'replacing' vdev, which is functionally identical to |
| 789 | 3007 * the mirror vdev (it actually reuses all the same ops) but has a few |
| 3008 * extra rules: you can't attach to it after it's been created, and upon | |
| 3009 * completion of resilvering, the first disk (the one being replaced) | |
| 3010 * is automatically detached. | |
| 3011 */ | |
| 3012 int | |
| 1544 | 3013 spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
| 789 | 3014 { |
| 3015 uint64_t txg, open_txg; | |
| 3016 vdev_t *rvd = spa->spa_root_vdev; | |
| 3017 vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; | |
| 2082 | 3018 vdev_ops_t *pvops; |
|
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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7294
diff
changeset
|
3019 dmu_tx_t *tx; |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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7294
diff
changeset
|
3020 char *oldvdpath, *newvdpath; |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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7294
diff
changeset
|
3021 int newvd_isspare; |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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7294
diff
changeset
|
3022 int error; |
| 789 | 3023 |
| 3024 txg = spa_vdev_enter(spa); | |
| 3025 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3026 oldvd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 3027 |
| 3028 if (oldvd == NULL) | |
| 3029 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 3030 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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1544
diff
changeset
|
3031 if (!oldvd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3032 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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1544
diff
changeset
|
3033 |
| 789 | 3034 pvd = oldvd->vdev_parent; |
| 3035 | |
| 2082 | 3036 if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
| 4451 | 3037 VDEV_ALLOC_ADD)) != 0) |
| 3038 return (spa_vdev_exit(spa, NULL, txg, EINVAL)); | |
| 3039 | |
| 3040 if (newrootvd->vdev_children != 1) | |
| 789 | 3041 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
| 3042 | |
| 3043 newvd = newrootvd->vdev_child[0]; | |
| 3044 | |
| 3045 if (!newvd->vdev_ops->vdev_op_leaf) | |
| 3046 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); | |
| 3047 | |
| 2082 | 3048 if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
| 789 | 3049 return (spa_vdev_exit(spa, newrootvd, txg, error)); |
| 3050 | |
| 4527 | 3051 /* |
| 3052 * Spares can't replace logs | |
| 3053 */ | |
|
7326
a3c803100a09
6713886 hot spares of mirrored log devices should not be allowed
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
7313
diff
changeset
|
3054 if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare) |
| 4527 | 3055 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 3056 | |
| 2082 | 3057 if (!replacing) { |
| 3058 /* | |
| 3059 * For attach, the only allowable parent is a mirror or the root | |
| 3060 * vdev. | |
| 3061 */ | |
| 3062 if (pvd->vdev_ops != &vdev_mirror_ops && | |
| 3063 pvd->vdev_ops != &vdev_root_ops) | |
| 3064 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 3065 | |
| 3066 pvops = &vdev_mirror_ops; | |
| 3067 } else { | |
| 3068 /* | |
| 3069 * Active hot spares can only be replaced by inactive hot | |
| 3070 * spares. | |
| 3071 */ | |
| 3072 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 3073 pvd->vdev_child[1] == oldvd && | |
| 3074 !spa_has_spare(spa, newvd->vdev_guid)) | |
| 3075 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 3076 | |
| 3077 /* | |
| 3078 * If the source is a hot spare, and the parent isn't already a | |
| 3079 * spare, then we want to create a new hot spare. Otherwise, we | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3080 * want to create a replacing vdev. The user is not allowed to |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
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diff
changeset
|
3081 * attach to a spared vdev child unless the 'isspare' state is |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3082 * the same (spare replaces spare, non-spare replaces |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3083 * non-spare). |
| 2082 | 3084 */ |
| 3085 if (pvd->vdev_ops == &vdev_replacing_ops) | |
| 3086 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
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diff
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|
3087 else if (pvd->vdev_ops == &vdev_spare_ops && |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3088 newvd->vdev_isspare != oldvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3089 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2082 | 3090 else if (pvd->vdev_ops != &vdev_spare_ops && |
| 3091 newvd->vdev_isspare) | |
| 3092 pvops = &vdev_spare_ops; | |
| 3093 else | |
| 3094 pvops = &vdev_replacing_ops; | |
| 3095 } | |
| 3096 | |
|
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
3097 /* |
|
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
3098 * Compare the new device size with the replaceable/attachable |
|
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
3099 * device size. |
|
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
3100 */ |
|
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
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parents:
797
diff
changeset
|
3101 if (newvd->vdev_psize < vdev_get_rsize(oldvd)) |
| 789 | 3102 return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
| 3103 | |
| 1732 | 3104 /* |
| 3105 * The new device cannot have a higher alignment requirement | |
| 3106 * than the top-level vdev. | |
| 3107 */ | |
| 3108 if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) | |
| 789 | 3109 return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
| 3110 | |
| 3111 /* | |
| 3112 * If this is an in-place replacement, update oldvd's path and devid | |
| 3113 * to make it distinguishable from newvd, and unopenable from now on. | |
| 3114 */ | |
| 3115 if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { | |
| 3116 spa_strfree(oldvd->vdev_path); | |
| 3117 oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, | |
| 3118 KM_SLEEP); | |
| 3119 (void) sprintf(oldvd->vdev_path, "%s/%s", | |
| 3120 newvd->vdev_path, "old"); | |
| 3121 if (oldvd->vdev_devid != NULL) { | |
| 3122 spa_strfree(oldvd->vdev_devid); | |
| 3123 oldvd->vdev_devid = NULL; | |
| 3124 } | |
| 3125 } | |
| 3126 | |
| 3127 /* | |
| 2082 | 3128 * If the parent is not a mirror, or if we're replacing, insert the new |
| 3129 * mirror/replacing/spare vdev above oldvd. | |
| 789 | 3130 */ |
| 3131 if (pvd->vdev_ops != pvops) | |
| 3132 pvd = vdev_add_parent(oldvd, pvops); | |
| 3133 | |
| 3134 ASSERT(pvd->vdev_top->vdev_parent == rvd); | |
| 3135 ASSERT(pvd->vdev_ops == pvops); | |
| 3136 ASSERT(oldvd->vdev_parent == pvd); | |
| 3137 | |
| 3138 /* | |
| 3139 * Extract the new device from its root and add it to pvd. | |
| 3140 */ | |
| 3141 vdev_remove_child(newrootvd, newvd); | |
| 3142 newvd->vdev_id = pvd->vdev_children; | |
| 3143 vdev_add_child(pvd, newvd); | |
| 3144 | |
| 1544 | 3145 /* |
| 3146 * If newvd is smaller than oldvd, but larger than its rsize, | |
| 3147 * the addition of newvd may have decreased our parent's asize. | |
| 3148 */ | |
| 3149 pvd->vdev_asize = MIN(pvd->vdev_asize, newvd->vdev_asize); | |
| 3150 | |
| 789 | 3151 tvd = newvd->vdev_top; |
| 3152 ASSERT(pvd->vdev_top == tvd); | |
| 3153 ASSERT(tvd->vdev_parent == rvd); | |
| 3154 | |
| 3155 vdev_config_dirty(tvd); | |
| 3156 | |
| 3157 /* | |
| 3158 * Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate | |
| 3159 * upward when spa_vdev_exit() calls vdev_dtl_reassess(). | |
| 3160 */ | |
| 3161 open_txg = txg + TXG_CONCURRENT_STATES - 1; | |
| 3162 | |
|
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diff
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|
3163 vdev_dtl_dirty(newvd, DTL_MISSING, |
|
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6328632 zpool offline is a bit too conservative
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parents:
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diff
changeset
|
3164 TXG_INITIAL, open_txg - TXG_INITIAL + 1); |
| 789 | 3165 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3166 if (newvd->vdev_isspare) { |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3167 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
|
3168 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
|
3169 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3170 |
|
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
|
3171 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
|
3172 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:
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diff
changeset
|
3173 newvd_isspare = newvd->vdev_isspare; |
| 1544 | 3174 |
| 789 | 3175 /* |
| 3176 * Mark newvd's DTL dirty in this txg. | |
| 3177 */ | |
| 1732 | 3178 vdev_dirty(tvd, VDD_DTL, newvd, txg); |
| 789 | 3179 |
| 3180 (void) spa_vdev_exit(spa, newrootvd, open_txg, 0); | |
| 3181 | |
|
7313
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6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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diff
changeset
|
3182 tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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diff
changeset
|
3183 if (dmu_tx_assign(tx, TXG_WAIT) == 0) { |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
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diff
changeset
|
3184 spa_history_internal_log(LOG_POOL_VDEV_ATTACH, spa, tx, |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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diff
changeset
|
3185 CRED(), "%s vdev=%s %s vdev=%s", |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
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parents:
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diff
changeset
|
3186 replacing && newvd_isspare ? "spare in" : |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
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parents:
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diff
changeset
|
3187 replacing ? "replace" : "attach", newvdpath, |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
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diff
changeset
|
3188 replacing ? "for" : "to", oldvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
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diff
changeset
|
3189 dmu_tx_commit(tx); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
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diff
changeset
|
3190 } else { |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
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diff
changeset
|
3191 dmu_tx_abort(tx); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
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diff
changeset
|
3192 } |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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diff
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|
3193 |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
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diff
changeset
|
3194 spa_strfree(oldvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
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diff
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|
3195 spa_strfree(newvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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diff
changeset
|
3196 |
| 789 | 3197 /* |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3198 * Kick off a resilver to update newvd. |
| 789 | 3199 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3200 VERIFY3U(spa_scrub(spa, POOL_SCRUB_RESILVER), ==, 0); |
| 789 | 3201 |
| 3202 return (0); | |
| 3203 } | |
| 3204 | |
| 3205 /* | |
| 3206 * Detach a device from a mirror or replacing vdev. | |
| 3207 * If 'replace_done' is specified, only detach if the parent | |
| 3208 * is a replacing vdev. | |
| 3209 */ | |
| 3210 int | |
|
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|
3211 spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done) |
| 789 | 3212 { |
| 3213 uint64_t txg; | |
|
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|
3214 int error; |
| 789 | 3215 vdev_t *rvd = spa->spa_root_vdev; |
| 3216 vdev_t *vd, *pvd, *cvd, *tvd; | |
| 2082 | 3217 boolean_t unspare = B_FALSE; |
| 3218 uint64_t unspare_guid; | |
|
6673
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6697301 deadlock between ZFS and devfs can hang system
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diff
changeset
|
3219 size_t len; |
| 789 | 3220 |
| 3221 txg = spa_vdev_enter(spa); | |
| 3222 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3223 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 3224 |
| 3225 if (vd == NULL) | |
| 3226 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 3227 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3228 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3229 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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1544
diff
changeset
|
3230 |
| 789 | 3231 pvd = vd->vdev_parent; |
| 3232 | |
| 3233 /* | |
|
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|
3234 * If the parent/child relationship is not as expected, don't do it. |
|
5a60f16123ba
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diff
changeset
|
3235 * Consider M(A,R(B,C)) -- that is, a mirror of A with a replacing |
|
5a60f16123ba
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diff
changeset
|
3236 * vdev that's replacing B with C. The user's intent in replacing |
|
5a60f16123ba
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diff
changeset
|
3237 * is to go from M(A,B) to M(A,C). If the user decides to cancel |
|
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|
3238 * the replace by detaching C, the expected behavior is to end up |
|
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|
3239 * M(A,B). But suppose that right after deciding to detach C, |
|
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|
3240 * the replacement of B completes. We would have M(A,C), and then |
|
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|
3241 * ask to detach C, which would leave us with just A -- not what |
|
5a60f16123ba
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|
3242 * the user wanted. To prevent this, we make sure that the |
|
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|
3243 * parent/child relationship hasn't changed -- in this example, |
|
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|
3244 * that C's parent is still the replacing vdev R. |
|
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|
3245 */ |
|
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|
3246 if (pvd->vdev_guid != pguid && pguid != 0) |
|
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|
3247 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
|
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3248 |
|
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|
3249 /* |
| 789 | 3250 * If replace_done is specified, only remove this device if it's |
| 2082 | 3251 * the first child of a replacing vdev. For the 'spare' vdev, either |
| 3252 * disk can be removed. | |
| 789 | 3253 */ |
| 2082 | 3254 if (replace_done) { |
| 3255 if (pvd->vdev_ops == &vdev_replacing_ops) { | |
| 3256 if (vd->vdev_id != 0) | |
| 3257 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3258 } else if (pvd->vdev_ops != &vdev_spare_ops) { | |
| 3259 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3260 } | |
| 3261 } | |
| 3262 | |
| 3263 ASSERT(pvd->vdev_ops != &vdev_spare_ops || | |
| 4577 | 3264 spa_version(spa) >= SPA_VERSION_SPARES); |
| 789 | 3265 |
| 3266 /* | |
| 2082 | 3267 * Only mirror, replacing, and spare vdevs support detach. |
| 789 | 3268 */ |
| 3269 if (pvd->vdev_ops != &vdev_replacing_ops && | |
| 2082 | 3270 pvd->vdev_ops != &vdev_mirror_ops && |
| 3271 pvd->vdev_ops != &vdev_spare_ops) | |
| 789 | 3272 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
| 3273 | |
| 3274 /* | |
|
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|
3275 * If this device has the only valid copy of some data, |
|
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|
3276 * we cannot safely detach it. |
| 789 | 3277 */ |
|
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|
3278 if (vdev_dtl_required(vd)) |
| 789 | 3279 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
| 3280 | |
|
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|
3281 ASSERT(pvd->vdev_children >= 2); |
|
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|
3282 |
| 789 | 3283 /* |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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diff
changeset
|
3284 * If we are detaching the second disk from a replacing vdev, then |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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diff
changeset
|
3285 * 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
|
3286 * 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
|
3287 */ |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3288 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
|
3289 pvd->vdev_child[0]->vdev_path != NULL && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3290 pvd->vdev_child[1]->vdev_path != NULL) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3291 ASSERT(pvd->vdev_child[1] == vd); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3292 cvd = pvd->vdev_child[0]; |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3293 len = strlen(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3294 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
|
3295 strcmp(cvd->vdev_path + len, "/old") == 0) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3296 spa_strfree(cvd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3297 cvd->vdev_path = spa_strdup(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3298 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3299 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3300 |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3301 /* |
| 2082 | 3302 * If we are detaching the original disk from a spare, then it implies |
| 3303 * that the spare should become a real disk, and be removed from the | |
| 3304 * active spare list for the pool. | |
| 3305 */ | |
| 3306 if (pvd->vdev_ops == &vdev_spare_ops && | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3307 vd->vdev_id == 0 && pvd->vdev_child[1]->vdev_isspare) |
| 2082 | 3308 unspare = B_TRUE; |
| 3309 | |
| 3310 /* | |
| 789 | 3311 * Erase the disk labels so the disk can be used for other things. |
| 3312 * This must be done after all other error cases are handled, | |
| 3313 * but before we disembowel vd (so we can still do I/O to it). | |
| 3314 * But if we can't do it, don't treat the error as fatal -- | |
| 3315 * it may be that the unwritability of the disk is the reason | |
| 3316 * it's being detached! | |
| 3317 */ | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3318 error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
| 789 | 3319 |
| 3320 /* | |
| 3321 * Remove vd from its parent and compact the parent's children. | |
| 3322 */ | |
| 3323 vdev_remove_child(pvd, vd); | |
| 3324 vdev_compact_children(pvd); | |
| 3325 | |
| 3326 /* | |
| 3327 * Remember one of the remaining children so we can get tvd below. | |
| 3328 */ | |
| 3329 cvd = pvd->vdev_child[0]; | |
| 3330 | |
| 3331 /* | |
| 2082 | 3332 * If we need to remove the remaining child from the list of hot spares, |
|
8241
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6328632 zpool offline is a bit too conservative
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diff
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|
3333 * do it now, marking the vdev as no longer a spare in the process. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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diff
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|
3334 * 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>
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diff
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|
3335 * 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:
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diff
changeset
|
3336 * 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:
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diff
changeset
|
3337 * 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:
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diff
changeset
|
3338 * the subsequent attempt to spa_vdev_remove(unspare_guid) would fail. |
| 2082 | 3339 */ |
| 3340 if (unspare) { | |
| 3341 ASSERT(cvd->vdev_isspare); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3342 spa_spare_remove(cvd); |
| 2082 | 3343 unspare_guid = cvd->vdev_guid; |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
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|
3344 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
| 2082 | 3345 } |
| 3346 | |
| 3347 /* | |
| 789 | 3348 * If the parent mirror/replacing vdev only has one child, |
| 3349 * the parent is no longer needed. Remove it from the tree. | |
| 3350 */ | |
| 3351 if (pvd->vdev_children == 1) | |
| 3352 vdev_remove_parent(cvd); | |
| 3353 | |
| 3354 /* | |
| 3355 * We don't set tvd until now because the parent we just removed | |
| 3356 * may have been the previous top-level vdev. | |
| 3357 */ | |
| 3358 tvd = cvd->vdev_top; | |
| 3359 ASSERT(tvd->vdev_parent == rvd); | |
| 3360 | |
| 3361 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3362 * Reevaluate the parent vdev state. |
| 789 | 3363 */ |
| 4451 | 3364 vdev_propagate_state(cvd); |
| 789 | 3365 |
| 3366 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3367 * If the device we just detached was smaller than the others, it may be |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3368 * possible to add metaslabs (i.e. grow the pool). vdev_metaslab_init() |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3369 * can't fail because the existing metaslabs are already in core, so |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3370 * there's nothing to read from disk. |
| 789 | 3371 */ |
| 1732 | 3372 VERIFY(vdev_metaslab_init(tvd, txg) == 0); |
| 789 | 3373 |
| 3374 vdev_config_dirty(tvd); | |
| 3375 | |
| 3376 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3377 * 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
|
3378 * 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
|
3379 * 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
|
3380 * prevent vd from being accessed after it's freed. |
| 789 | 3381 */ |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
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|
3382 for (int t = 0; t < TXG_SIZE; t++) |
| 789 | 3383 (void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); |
| 1732 | 3384 vd->vdev_detached = B_TRUE; |
| 3385 vdev_dirty(tvd, VDD_DTL, vd, txg); | |
| 789 | 3386 |
| 4451 | 3387 spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
| 3388 | |
| 2082 | 3389 error = spa_vdev_exit(spa, vd, txg, 0); |
| 3390 | |
| 3391 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3392 * 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
|
3393 * 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
|
3394 * list of every other pool. |
| 2082 | 3395 */ |
| 3396 if (unspare) { | |
|
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
|
3397 spa_t *myspa = spa; |
| 2082 | 3398 spa = NULL; |
| 3399 mutex_enter(&spa_namespace_lock); | |
| 3400 while ((spa = spa_next(spa)) != NULL) { | |
| 3401 if (spa->spa_state != POOL_STATE_ACTIVE) | |
| 3402 continue; | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
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|
3403 if (spa == myspa) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3404 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
|
3405 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
|
3406 mutex_exit(&spa_namespace_lock); |
| 2082 | 3407 (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
|
3408 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
|
3409 spa_close(spa, FTAG); |
| 2082 | 3410 } |
| 3411 mutex_exit(&spa_namespace_lock); | |
| 3412 } | |
| 3413 | |
| 3414 return (error); | |
| 3415 } | |
| 3416 | |
|
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
|
3417 static nvlist_t * |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3418 spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid) |
| 2082 | 3419 { |
|
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
|
3420 for (int i = 0; i < count; i++) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3421 uint64_t guid; |
|
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 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3423 VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3424 &guid) == 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
|
3425 |
|
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 if (guid == target_guid) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3427 return (nvpp[i]); |
| 2082 | 3428 } |
| 3429 | |
|
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
|
3430 return (NULL); |
| 5450 | 3431 } |
| 3432 | |
|
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
|
3433 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
|
3434 spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3435 nvlist_t *dev_to_remove) |
| 5450 | 3436 { |
|
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 **newdev = NULL; |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3438 |
|
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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
|
3439 if (count > 1) |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3440 newdev = kmem_alloc((count - 1) * sizeof (void *), KM_SLEEP); |
|
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diff
changeset
|
3441 |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3442 for (int i = 0, j = 0; i < count; i++) { |
|
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diff
changeset
|
3443 if (dev[i] == dev_to_remove) |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3444 continue; |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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7706
diff
changeset
|
3445 VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0); |
| 5450 | 3446 } |
| 3447 | |
|
7754
b80e4842ad54
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diff
changeset
|
3448 VERIFY(nvlist_remove(config, name, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
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diff
changeset
|
3449 VERIFY(nvlist_add_nvlist_array(config, name, newdev, count - 1) == 0); |
|
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|
3450 |
|
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diff
changeset
|
3451 for (int i = 0; i < count - 1; i++) |
|
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diff
changeset
|
3452 nvlist_free(newdev[i]); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
3453 |
|
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changeset
|
3454 if (count > 1) |
|
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changeset
|
3455 kmem_free(newdev, (count - 1) * sizeof (void *)); |
| 5450 | 3456 } |
| 3457 | |
| 3458 /* | |
| 3459 * Remove a device from the pool. Currently, this supports removing only hot | |
| 3460 * spares and level 2 ARC devices. | |
| 3461 */ | |
| 3462 int | |
| 3463 spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) | |
| 3464 { | |
| 3465 vdev_t *vd; | |
|
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diff
changeset
|
3466 nvlist_t **spares, **l2cache, *nv; |
| 5450 | 3467 uint_t nspares, nl2cache; |
|
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|
3468 uint64_t txg = 0; |
| 5450 | 3469 int error = 0; |
|
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|
3470 boolean_t locked = MUTEX_HELD(&spa_namespace_lock); |
|
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|
3471 |
|
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changeset
|
3472 if (!locked) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3473 txg = spa_vdev_enter(spa); |
| 5450 | 3474 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3475 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 5450 | 3476 |
| 3477 if (spa->spa_spares.sav_vdevs != NULL && | |
| 3478 nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, | |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3479 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 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
|
3480 (nv = spa_nvlist_lookup_by_guid(spares, nspares, guid)) != 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
|
3481 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3482 * Only remove the hot spare if it's not currently in use |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3483 * in this pool. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3484 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3485 if (vd == NULL || unspare) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3486 spa_vdev_remove_aux(spa->spa_spares.sav_config, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3487 ZPOOL_CONFIG_SPARES, spares, nspares, nv); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3488 spa_load_spares(spa); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3489 spa->spa_spares.sav_sync = B_TRUE; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3490 } 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
|
3491 error = EBUSY; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3492 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3493 } else if (spa->spa_l2cache.sav_vdevs != NULL && |
| 5450 | 3494 nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3495 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0 && |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3496 (nv = spa_nvlist_lookup_by_guid(l2cache, nl2cache, guid)) != 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
|
3497 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3498 * Cache devices can always be removed. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3499 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3500 spa_vdev_remove_aux(spa->spa_l2cache.sav_config, |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3501 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache, nv); |
| 5450 | 3502 spa_load_l2cache(spa); |
| 3503 spa->spa_l2cache.sav_sync = 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
|
3504 } else if (vd != 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
|
3505 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3506 * Normal vdevs cannot be removed (yet). |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3507 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3508 error = ENOTSUP; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3509 } 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
|
3510 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3511 * There is no vdev of any kind with the specified guid. |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3512 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3513 error = ENOENT; |
| 5450 | 3514 } |
| 2082 | 3515 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3516 if (!locked) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3517 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
|
3518 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3519 return (error); |
| 789 | 3520 } |
| 3521 | |
| 3522 /* | |
| 4451 | 3523 * Find any device that's done replacing, or a vdev marked 'unspare' that's |
| 3524 * current spared, so we can detach it. | |
| 789 | 3525 */ |
| 1544 | 3526 static vdev_t * |
| 4451 | 3527 spa_vdev_resilver_done_hunt(vdev_t *vd) |
| 789 | 3528 { |
| 1544 | 3529 vdev_t *newvd, *oldvd; |
| 789 | 3530 int c; |
| 3531 | |
| 1544 | 3532 for (c = 0; c < vd->vdev_children; c++) { |
| 4451 | 3533 oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
| 1544 | 3534 if (oldvd != NULL) |
| 3535 return (oldvd); | |
| 3536 } | |
| 789 | 3537 |
| 4451 | 3538 /* |
| 3539 * Check for a completed replacement. | |
| 3540 */ | |
| 789 | 3541 if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) { |
| 1544 | 3542 oldvd = vd->vdev_child[0]; |
| 3543 newvd = vd->vdev_child[1]; | |
| 789 | 3544 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3545 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
|
3546 !vdev_dtl_required(oldvd)) |
| 1544 | 3547 return (oldvd); |
| 3548 } | |
| 789 | 3549 |
| 4451 | 3550 /* |
| 3551 * Check for a completed resilver with the 'unspare' flag set. | |
| 3552 */ | |
| 3553 if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) { | |
| 3554 newvd = vd->vdev_child[0]; | |
| 3555 oldvd = vd->vdev_child[1]; | |
| 3556 | |
| 3557 if (newvd->vdev_unspare && | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3558 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
|
3559 !vdev_dtl_required(oldvd)) { |
| 4451 | 3560 newvd->vdev_unspare = 0; |
| 3561 return (oldvd); | |
| 3562 } | |
| 3563 } | |
| 3564 | |
| 1544 | 3565 return (NULL); |
| 789 | 3566 } |
| 3567 | |
| 1544 | 3568 static void |
| 4451 | 3569 spa_vdev_resilver_done(spa_t *spa) |
| 789 | 3570 { |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3571 vdev_t *vd, *pvd, *ppvd; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3572 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
|
3573 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3574 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3575 |
| 4451 | 3576 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
|
3577 pvd = vd->vdev_parent; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3578 ppvd = pvd->vdev_parent; |
| 1544 | 3579 guid = vd->vdev_guid; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3580 pguid = pvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3581 ppguid = ppvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3582 sguid = 0; |
| 2082 | 3583 /* |
| 3584 * If we have just finished replacing a hot spared device, then | |
| 3585 * we need to detach the parent's first child (the original hot | |
| 3586 * spare) as well. | |
| 3587 */ | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3588 if (ppvd->vdev_ops == &vdev_spare_ops && pvd->vdev_id == 0) { |
| 2082 | 3589 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
|
3590 ASSERT(ppvd->vdev_children == 2); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3591 sguid = ppvd->vdev_child[1]->vdev_guid; |
| 2082 | 3592 } |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3593 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
|
3594 if (spa_vdev_detach(spa, guid, pguid, B_TRUE) != 0) |
| 1544 | 3595 return; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3596 if (sguid && spa_vdev_detach(spa, sguid, ppguid, B_TRUE) != 0) |
| 2082 | 3597 return; |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3598 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3599 } |
| 3600 | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3601 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 3602 } |
| 3603 | |
| 3604 /* | |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3605 * 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
|
3606 * 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
|
3607 */ |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3608 int |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3609 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
|
3610 boolean_t ispath) |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3611 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3612 vdev_t *vd; |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3613 uint64_t txg; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3614 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3615 txg = spa_vdev_enter(spa); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3616 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3617 if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) |
| 5450 | 3618 return (spa_vdev_exit(spa, NULL, txg, ENOENT)); |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3619 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3620 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3621 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
|
3622 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3623 if (ispath) { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3624 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
|
3625 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
|
3626 } else { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3627 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
|
3628 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
|
3629 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
|
3630 } |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3631 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3632 vdev_config_dirty(vd->vdev_top); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3633 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3634 return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
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diff
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|
3635 } |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
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diff
changeset
|
3636 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
3637 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
3638 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>
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diff
changeset
|
3639 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
3640 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>
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diff
changeset
|
3641 } |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
3642 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
3643 int |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
3644 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>
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diff
changeset
|
3645 { |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
3646 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>
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|
3647 } |
|
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Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
3648 |
|
1354
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|
3649 /* |
| 789 | 3650 * ========================================================================== |
| 3651 * SPA Scrubbing | |
| 3652 * ========================================================================== | |
| 3653 */ | |
| 3654 | |
|
7046
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|
3655 int |
|
361307ae060d
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diff
changeset
|
3656 spa_scrub(spa_t *spa, pool_scrub_type_t type) |
| 789 | 3657 { |
|
7754
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3658 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); |
| 4808 | 3659 |
| 789 | 3660 if ((uint_t)type >= POOL_SCRUB_TYPES) |
| 3661 return (ENOTSUP); | |
| 3662 | |
| 3663 /* | |
|
7046
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6343667 scrub/resilver has to start over when a snapshot is taken
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diff
changeset
|
3664 * 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
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diff
changeset
|
3665 * writeable leaf device, we have nothing to do. |
| 789 | 3666 */ |
|
7046
361307ae060d
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diff
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|
3667 if (type == POOL_SCRUB_RESILVER && |
|
361307ae060d
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diff
changeset
|
3668 !vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL)) { |
|
361307ae060d
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diff
changeset
|
3669 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 1544 | 3670 return (0); |
| 3671 } | |
| 789 | 3672 |
|
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|
3673 if (type == POOL_SCRUB_EVERYTHING && |
|
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diff
changeset
|
3674 spa->spa_dsl_pool->dp_scrub_func != SCRUB_FUNC_NONE && |
|
361307ae060d
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diff
changeset
|
3675 spa->spa_dsl_pool->dp_scrub_isresilver) |
|
361307ae060d
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diff
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|
3676 return (EBUSY); |
|
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diff
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|
3677 |
|
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diff
changeset
|
3678 if (type == POOL_SCRUB_EVERYTHING || type == POOL_SCRUB_RESILVER) { |
|
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diff
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|
3679 return (dsl_pool_scrub_clean(spa->spa_dsl_pool)); |
|
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diff
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|
3680 } else if (type == POOL_SCRUB_NONE) { |
|
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|
3681 return (dsl_pool_scrub_cancel(spa->spa_dsl_pool)); |
| 1544 | 3682 } else { |
|
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|
3683 return (EINVAL); |
| 1544 | 3684 } |
| 789 | 3685 } |
| 3686 | |
| 1544 | 3687 /* |
| 3688 * ========================================================================== | |
| 3689 * SPA async task processing | |
| 3690 * ========================================================================== | |
| 3691 */ | |
| 3692 | |
| 3693 static void | |
| 4451 | 3694 spa_async_remove(spa_t *spa, vdev_t *vd) |
| 789 | 3695 { |
|
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Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
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diff
changeset
|
3696 if (vd->vdev_remove_wanted) { |
|
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Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
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7326
diff
changeset
|
3697 vd->vdev_remove_wanted = 0; |
|
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Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
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diff
changeset
|
3698 vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE); |
|
7754
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
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|
3699 vdev_clear(spa, vd); |
|
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|
3700 vdev_state_dirty(vd->vdev_top); |
| 1544 | 3701 } |
|
7361
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diff
changeset
|
3702 |
|
7754
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diff
changeset
|
3703 for (int c = 0; c < vd->vdev_children; c++) |
|
7361
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diff
changeset
|
3704 spa_async_remove(spa, vd->vdev_child[c]); |
| 1544 | 3705 } |
| 3706 | |
| 3707 static void | |
|
7754
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diff
changeset
|
3708 spa_async_probe(spa_t *spa, vdev_t *vd) |
|
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diff
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|
3709 { |
|
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diff
changeset
|
3710 if (vd->vdev_probe_wanted) { |
|
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diff
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|
3711 vd->vdev_probe_wanted = 0; |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
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|
3712 vdev_reopen(vd); /* vdev_open() does the actual probe */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
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|
3713 } |
|
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diff
changeset
|
3714 |
|
b80e4842ad54
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diff
changeset
|
3715 for (int c = 0; c < vd->vdev_children; c++) |
|
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diff
changeset
|
3716 spa_async_probe(spa, vd->vdev_child[c]); |
|
b80e4842ad54
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diff
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|
3717 } |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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7706
diff
changeset
|
3718 |
|
b80e4842ad54
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diff
changeset
|
3719 static void |
| 1544 | 3720 spa_async_thread(spa_t *spa) |
| 3721 { | |
|
7754
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3722 int tasks; |
| 1544 | 3723 |
| 3724 ASSERT(spa->spa_sync_on); | |
| 789 | 3725 |
| 1544 | 3726 mutex_enter(&spa->spa_async_lock); |
| 3727 tasks = spa->spa_async_tasks; | |
| 3728 spa->spa_async_tasks = 0; | |
| 3729 mutex_exit(&spa->spa_async_lock); | |
| 3730 | |
| 3731 /* | |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
changeset
|
3732 * See if the config needs to be updated. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
changeset
|
3733 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
changeset
|
3734 if (tasks & SPA_ASYNC_CONFIG_UPDATE) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
changeset
|
3735 mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
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diff
changeset
|
3736 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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diff
changeset
|
3737 mutex_exit(&spa_namespace_lock); |
|
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diff
changeset
|
3738 } |
|
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diff
changeset
|
3739 |
|
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diff
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|
3740 /* |
| 4451 | 3741 * See if any devices need to be marked REMOVED. |
| 1544 | 3742 */ |
|
7754
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diff
changeset
|
3743 if (tasks & SPA_ASYNC_REMOVE) { |
|
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diff
changeset
|
3744 spa_vdev_state_enter(spa); |
| 4451 | 3745 spa_async_remove(spa, spa->spa_root_vdev); |
|
7754
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|
3746 for (int i = 0; i < spa->spa_l2cache.sav_count; i++) |
|
7361
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|
3747 spa_async_remove(spa, spa->spa_l2cache.sav_vdevs[i]); |
|
7754
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|
3748 for (int i = 0; i < spa->spa_spares.sav_count; i++) |
|
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changeset
|
3749 spa_async_remove(spa, spa->spa_spares.sav_vdevs[i]); |
|
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|
3750 (void) spa_vdev_state_exit(spa, NULL, 0); |
|
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|
3751 } |
|
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|
3752 |
|
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|
3753 /* |
|
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|
3754 * See if any devices need to be probed. |
|
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|
3755 */ |
|
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|
3756 if (tasks & SPA_ASYNC_PROBE) { |
|
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|
3757 spa_vdev_state_enter(spa); |
|
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|
3758 spa_async_probe(spa, spa->spa_root_vdev); |
|
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changeset
|
3759 (void) spa_vdev_state_exit(spa, NULL, 0); |
| 4451 | 3760 } |
| 1544 | 3761 |
| 3762 /* | |
| 3763 * If any devices are done replacing, detach them. | |
| 3764 */ | |
| 4451 | 3765 if (tasks & SPA_ASYNC_RESILVER_DONE) |
| 3766 spa_vdev_resilver_done(spa); | |
| 789 | 3767 |
| 1544 | 3768 /* |
| 3769 * Kick off a resilver. | |
| 3770 */ | |
|
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|
3771 if (tasks & SPA_ASYNC_RESILVER) |
|
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diff
changeset
|
3772 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER) == 0); |
| 1544 | 3773 |
| 3774 /* | |
| 3775 * Let the world know that we're done. | |
| 3776 */ | |
| 3777 mutex_enter(&spa->spa_async_lock); | |
| 3778 spa->spa_async_thread = NULL; | |
| 3779 cv_broadcast(&spa->spa_async_cv); | |
| 3780 mutex_exit(&spa->spa_async_lock); | |
| 3781 thread_exit(); | |
| 3782 } | |
| 3783 | |
| 3784 void | |
| 3785 spa_async_suspend(spa_t *spa) | |
| 3786 { | |
| 3787 mutex_enter(&spa->spa_async_lock); | |
| 3788 spa->spa_async_suspended++; | |
| 3789 while (spa->spa_async_thread != NULL) | |
| 3790 cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); | |
| 3791 mutex_exit(&spa->spa_async_lock); | |
| 3792 } | |
| 3793 | |
| 3794 void | |
| 3795 spa_async_resume(spa_t *spa) | |
| 3796 { | |
| 3797 mutex_enter(&spa->spa_async_lock); | |
| 3798 ASSERT(spa->spa_async_suspended != 0); | |
| 3799 spa->spa_async_suspended--; | |
| 3800 mutex_exit(&spa->spa_async_lock); | |
| 3801 } | |
| 3802 | |
| 3803 static void | |
| 3804 spa_async_dispatch(spa_t *spa) | |
| 3805 { | |
| 3806 mutex_enter(&spa->spa_async_lock); | |
| 3807 if (spa->spa_async_tasks && !spa->spa_async_suspended && | |
|
1635
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|
3808 spa->spa_async_thread == NULL && |
|
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changeset
|
3809 rootdir != NULL && !vn_is_readonly(rootdir)) |
| 1544 | 3810 spa->spa_async_thread = thread_create(NULL, 0, |
| 3811 spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); | |
| 3812 mutex_exit(&spa->spa_async_lock); | |
| 3813 } | |
| 3814 | |
| 3815 void | |
| 3816 spa_async_request(spa_t *spa, int task) | |
| 3817 { | |
| 3818 mutex_enter(&spa->spa_async_lock); | |
| 3819 spa->spa_async_tasks |= task; | |
| 3820 mutex_exit(&spa->spa_async_lock); | |
| 789 | 3821 } |
| 3822 | |
| 3823 /* | |
| 3824 * ========================================================================== | |
| 3825 * SPA syncing routines | |
| 3826 * ========================================================================== | |
| 3827 */ | |
| 3828 | |
| 3829 static void | |
| 3830 spa_sync_deferred_frees(spa_t *spa, uint64_t txg) | |
| 3831 { | |
| 3832 bplist_t *bpl = &spa->spa_sync_bplist; | |
| 3833 dmu_tx_t *tx; | |
| 3834 blkptr_t blk; | |
| 3835 uint64_t itor = 0; | |
| 3836 zio_t *zio; | |
| 3837 int error; | |
| 3838 uint8_t c = 1; | |
| 3839 | |
|
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3840 zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); |
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3841 |
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3842 while (bplist_iterate(bpl, &itor, &blk) == 0) { |
|
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3843 ASSERT(blk.blk_birth < txg); |
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3844 zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL, |
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3845 ZIO_FLAG_MUSTSUCCEED)); |
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3846 } |
| 789 | 3847 |
| 3848 error = zio_wait(zio); | |
| 3849 ASSERT3U(error, ==, 0); | |
| 3850 | |
| 3851 tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); | |
| 3852 bplist_vacate(bpl, tx); | |
| 3853 | |
| 3854 /* | |
| 3855 * Pre-dirty the first block so we sync to convergence faster. | |
| 3856 * (Usually only the first block is needed.) | |
| 3857 */ | |
| 3858 dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); | |
| 3859 dmu_tx_commit(tx); | |
| 3860 } | |
| 3861 | |
| 3862 static void | |
| 2082 | 3863 spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
| 3864 { | |
| 3865 char *packed = NULL; | |
|
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3866 size_t bufsize; |
| 2082 | 3867 size_t nvsize = 0; |
| 3868 dmu_buf_t *db; | |
| 3869 | |
| 3870 VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); | |
| 3871 | |
|
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3872 /* |
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3873 * Write full (SPA_CONFIG_BLOCKSIZE) blocks of configuration |
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3874 * information. This avoids the dbuf_will_dirty() path and |
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3875 * saves us a pre-read to get data we don't actually care about. |
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3876 */ |
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3877 bufsize = P2ROUNDUP(nvsize, SPA_CONFIG_BLOCKSIZE); |
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3878 packed = kmem_alloc(bufsize, KM_SLEEP); |
| 2082 | 3879 |
| 3880 VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, | |
| 3881 KM_SLEEP) == 0); | |
|
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3882 bzero(packed + nvsize, bufsize - nvsize); |
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3883 |
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3884 dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx); |
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3885 |
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3886 kmem_free(packed, bufsize); |
| 2082 | 3887 |
| 3888 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 3889 dmu_buf_will_dirty(db, tx); | |
| 3890 *(uint64_t *)db->db_data = nvsize; | |
| 3891 dmu_buf_rele(db, FTAG); | |
| 3892 } | |
| 3893 | |
| 3894 static void | |
| 5450 | 3895 spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, |
| 3896 const char *config, const char *entry) | |
| 2082 | 3897 { |
| 3898 nvlist_t *nvroot; | |
| 5450 | 3899 nvlist_t **list; |
| 2082 | 3900 int i; |
| 3901 | |
| 5450 | 3902 if (!sav->sav_sync) |
| 2082 | 3903 return; |
| 3904 | |
| 3905 /* | |
| 5450 | 3906 * Update the MOS nvlist describing the list of available devices. |
| 3907 * spa_validate_aux() will have already made sure this nvlist is | |
| 4451 | 3908 * valid and the vdevs are labeled appropriately. |
| 2082 | 3909 */ |
| 5450 | 3910 if (sav->sav_object == 0) { |
| 3911 sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 3912 DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, | |
| 3913 sizeof (uint64_t), tx); | |
| 2082 | 3914 VERIFY(zap_update(spa->spa_meta_objset, |
| 5450 | 3915 DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, |
| 3916 &sav->sav_object, tx) == 0); | |
| 2082 | 3917 } |
| 3918 | |
| 3919 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 5450 | 3920 if (sav->sav_count == 0) { |
| 3921 VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); | |
| 2082 | 3922 } else { |
| 5450 | 3923 list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
| 3924 for (i = 0; i < sav->sav_count; i++) | |
| 3925 list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], | |
| 3926 B_FALSE, B_FALSE, B_TRUE); | |
| 3927 VERIFY(nvlist_add_nvlist_array(nvroot, config, list, | |
| 3928 sav->sav_count) == 0); | |
| 3929 for (i = 0; i < sav->sav_count; i++) | |
| 3930 nvlist_free(list[i]); | |
| 3931 kmem_free(list, sav->sav_count * sizeof (void *)); | |
| 2082 | 3932 } |
| 3933 | |
| 5450 | 3934 spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); |
| 2926 | 3935 nvlist_free(nvroot); |
| 2082 | 3936 |
| 5450 | 3937 sav->sav_sync = B_FALSE; |
| 2082 | 3938 } |
| 3939 | |
| 3940 static void | |
| 789 | 3941 spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
| 3942 { | |
| 3943 nvlist_t *config; | |
| 3944 | |
|
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3945 if (list_is_empty(&spa->spa_config_dirty_list)) |
| 789 | 3946 return; |
| 3947 | |
|
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3948 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
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3949 |
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3950 config = spa_config_generate(spa, spa->spa_root_vdev, |
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3951 dmu_tx_get_txg(tx), B_FALSE); |
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3952 |
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3953 spa_config_exit(spa, SCL_STATE, FTAG); |
| 789 | 3954 |
|
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3955 if (spa->spa_config_syncing) |
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3956 nvlist_free(spa->spa_config_syncing); |
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3957 spa->spa_config_syncing = config; |
| 789 | 3958 |
| 2082 | 3959 spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
| 789 | 3960 } |
| 3961 | |
| 5094 | 3962 /* |
| 3963 * Set zpool properties. | |
| 3964 */ | |
| 3912 | 3965 static void |
| 4543 | 3966 spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
| 3912 | 3967 { |
| 3968 spa_t *spa = arg1; | |
| 5094 | 3969 objset_t *mos = spa->spa_meta_objset; |
| 3912 | 3970 nvlist_t *nvp = arg2; |
| 5094 | 3971 nvpair_t *elem; |
| 4451 | 3972 uint64_t intval; |
|
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3973 char *strval; |
| 5094 | 3974 zpool_prop_t prop; |
| 3975 const char *propname; | |
| 3976 zprop_type_t proptype; | |
| 3977 | |
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3978 mutex_enter(&spa->spa_props_lock); |
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3979 |
| 5094 | 3980 elem = NULL; |
| 3981 while ((elem = nvlist_next_nvpair(nvp, elem))) { | |
| 3982 switch (prop = zpool_name_to_prop(nvpair_name(elem))) { | |
| 3983 case ZPOOL_PROP_VERSION: | |
| 3984 /* | |
| 3985 * Only set version for non-zpool-creation cases | |
| 3986 * (set/import). spa_create() needs special care | |
| 3987 * for version setting. | |
| 3988 */ | |
| 3989 if (tx->tx_txg != TXG_INITIAL) { | |
| 3990 VERIFY(nvpair_value_uint64(elem, | |
| 3991 &intval) == 0); | |
| 3992 ASSERT(intval <= SPA_VERSION); | |
| 3993 ASSERT(intval >= spa_version(spa)); | |
| 3994 spa->spa_uberblock.ub_version = intval; | |
| 3995 vdev_config_dirty(spa->spa_root_vdev); | |
| 3996 } | |
| 3997 break; | |
| 3998 | |
| 3999 case ZPOOL_PROP_ALTROOT: | |
| 4000 /* | |
| 4001 * 'altroot' is a non-persistent property. It should | |
| 4002 * have been set temporarily at creation or import time. | |
| 4003 */ | |
| 4004 ASSERT(spa->spa_root != NULL); | |
| 4005 break; | |
| 4006 | |
| 5363 | 4007 case ZPOOL_PROP_CACHEFILE: |
| 5094 | 4008 /* |
|
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4009 * 'cachefile' is also a non-persisitent property. |
| 5094 | 4010 */ |
| 4543 | 4011 break; |
| 5094 | 4012 default: |
| 4013 /* | |
| 4014 * Set pool property values in the poolprops mos object. | |
| 4015 */ | |
| 4016 if (spa->spa_pool_props_object == 0) { | |
| 4017 objset_t *mos = spa->spa_meta_objset; | |
| 4018 | |
| 4019 VERIFY((spa->spa_pool_props_object = | |
| 4020 zap_create(mos, DMU_OT_POOL_PROPS, | |
| 4021 DMU_OT_NONE, 0, tx)) > 0); | |
| 4022 | |
| 4023 VERIFY(zap_update(mos, | |
| 4024 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, | |
| 4025 8, 1, &spa->spa_pool_props_object, tx) | |
| 4026 == 0); | |
| 4027 } | |
| 4028 | |
| 4029 /* normalize the property name */ | |
| 4030 propname = zpool_prop_to_name(prop); | |
| 4031 proptype = zpool_prop_get_type(prop); | |
| 4032 | |
| 4033 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 4034 ASSERT(proptype == PROP_TYPE_STRING); | |
| 4035 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 4036 VERIFY(zap_update(mos, | |
| 4037 spa->spa_pool_props_object, propname, | |
| 4038 1, strlen(strval) + 1, strval, tx) == 0); | |
| 4039 | |
| 4040 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { | |
| 4041 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 4042 | |
| 4043 if (proptype == PROP_TYPE_INDEX) { | |
| 4044 const char *unused; | |
| 4045 VERIFY(zpool_prop_index_to_string( | |
| 4046 prop, intval, &unused) == 0); | |
| 4047 } | |
| 4048 VERIFY(zap_update(mos, | |
| 4049 spa->spa_pool_props_object, propname, | |
| 4050 8, 1, &intval, tx) == 0); | |
| 4051 } else { | |
| 4052 ASSERT(0); /* not allowed */ | |
| 4053 } | |
| 4054 | |
| 5329 | 4055 switch (prop) { |
| 4056 case ZPOOL_PROP_DELEGATION: | |
| 5094 | 4057 spa->spa_delegation = intval; |
| 5329 | 4058 break; |
| 4059 case ZPOOL_PROP_BOOTFS: | |
| 5094 | 4060 spa->spa_bootfs = intval; |
| 5329 | 4061 break; |
| 4062 case ZPOOL_PROP_FAILUREMODE: | |
| 4063 spa->spa_failmode = intval; | |
| 4064 break; | |
| 4065 default: | |
| 4066 break; | |
| 4067 } | |
| 3912 | 4068 } |
| 5094 | 4069 |
| 4070 /* log internal history if this is not a zpool create */ | |
| 4071 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && | |
| 4072 tx->tx_txg != TXG_INITIAL) { | |
| 4073 spa_history_internal_log(LOG_POOL_PROPSET, | |
| 4074 spa, tx, cr, "%s %lld %s", | |
|
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4075 nvpair_name(elem), intval, spa_name(spa)); |
| 5094 | 4076 } |
| 3912 | 4077 } |
|
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4078 |
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4079 mutex_exit(&spa->spa_props_lock); |
| 3912 | 4080 } |
| 4081 | |
| 789 | 4082 /* |
| 4083 * Sync the specified transaction group. New blocks may be dirtied as | |
| 4084 * part of the process, so we iterate until it converges. | |
| 4085 */ | |
| 4086 void | |
| 4087 spa_sync(spa_t *spa, uint64_t txg) | |
| 4088 { | |
| 4089 dsl_pool_t *dp = spa->spa_dsl_pool; | |
| 4090 objset_t *mos = spa->spa_meta_objset; | |
| 4091 bplist_t *bpl = &spa->spa_sync_bplist; | |
|
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4092 vdev_t *rvd = spa->spa_root_vdev; |
| 789 | 4093 vdev_t *vd; |
| 4094 dmu_tx_t *tx; | |
| 4095 int dirty_vdevs; | |
|
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4096 int error; |
| 789 | 4097 |
| 4098 /* | |
| 4099 * Lock out configuration changes. | |
| 4100 */ | |
|
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4101 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 789 | 4102 |
| 4103 spa->spa_syncing_txg = txg; | |
| 4104 spa->spa_sync_pass = 0; | |
| 4105 | |
|
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4106 /* |
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4107 * If there are any pending vdev state changes, convert them |
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4108 * into config changes that go out with this transaction group. |
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4109 */ |
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4110 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
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4111 while (list_head(&spa->spa_state_dirty_list) != NULL) { |
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4112 /* |
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4113 * We need the write lock here because, for aux vdevs, |
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4114 * calling vdev_config_dirty() modifies sav_config. |
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4115 * This is ugly and will become unnecessary when we |
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parents:
8211
diff
changeset
|
4116 * eliminate the aux vdev wart by integrating all vdevs |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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parents:
8211
diff
changeset
|
4117 * into the root vdev tree. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4118 */ |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4119 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
|
4120 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
|
4121 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
|
4122 vdev_state_clean(vd); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4123 vdev_config_dirty(vd); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4124 } |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
4125 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
|
4126 spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_READER); |
|
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
|
4127 } |
|
b80e4842ad54
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_exit(spa, SCL_STATE, FTAG); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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parents:
7706
diff
changeset
|
4129 |
| 1544 | 4130 VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
| 789 | 4131 |
| 2082 | 4132 tx = dmu_tx_create_assigned(dp, txg); |
| 4133 | |
| 4134 /* | |
| 4577 | 4135 * If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
| 2082 | 4136 * set spa_deflate if we have no raid-z vdevs. |
| 4137 */ | |
| 4577 | 4138 if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
| 4139 spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2082 | 4140 int i; |
| 4141 | |
| 4142 for (i = 0; i < rvd->vdev_children; i++) { | |
| 4143 vd = rvd->vdev_child[i]; | |
| 4144 if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) | |
| 4145 break; | |
| 4146 } | |
| 4147 if (i == rvd->vdev_children) { | |
| 4148 spa->spa_deflate = TRUE; | |
| 4149 VERIFY(0 == zap_add(spa->spa_meta_objset, | |
| 4150 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 4151 sizeof (uint64_t), 1, &spa->spa_deflate, tx)); | |
| 4152 } | |
| 4153 } | |
| 4154 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4155 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
|
4156 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
|
4157 dsl_pool_create_origin(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4158 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4159 /* 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
|
4160 spa->spa_minref += 3; |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4161 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4162 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4163 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
|
4164 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
|
4165 dsl_pool_upgrade_clones(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4166 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4167 |
| 789 | 4168 /* |
| 4169 * If anything has changed in this txg, push the deferred frees | |
| 4170 * from the previous txg. If not, leave them alone so that we | |
| 4171 * don't generate work on an otherwise idle system. | |
| 4172 */ | |
| 4173 if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || | |
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4174 !txg_list_empty(&dp->dp_dirty_dirs, txg) || |
|
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4175 !txg_list_empty(&dp->dp_sync_tasks, txg)) |
| 789 | 4176 spa_sync_deferred_frees(spa, txg); |
| 4177 | |
| 4178 /* | |
| 4179 * Iterate to convergence. | |
| 4180 */ | |
| 4181 do { | |
| 4182 spa->spa_sync_pass++; | |
| 4183 | |
| 4184 spa_sync_config_object(spa, tx); | |
| 5450 | 4185 spa_sync_aux_dev(spa, &spa->spa_spares, tx, |
| 4186 ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); | |
| 4187 spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, | |
| 4188 ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); | |
| 1544 | 4189 spa_errlog_sync(spa, txg); |
| 789 | 4190 dsl_pool_sync(dp, txg); |
| 4191 | |
| 4192 dirty_vdevs = 0; | |
| 4193 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) { | |
| 4194 vdev_sync(vd, txg); | |
| 4195 dirty_vdevs++; | |
| 4196 } | |
| 4197 | |
| 4198 bplist_sync(bpl, tx); | |
| 4199 } while (dirty_vdevs); | |
| 4200 | |
| 4201 bplist_close(bpl); | |
| 4202 | |
| 4203 dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass); | |
| 4204 | |
| 4205 /* | |
| 4206 * Rewrite the vdev configuration (which includes the uberblock) | |
| 4207 * to commit the transaction group. | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4208 * |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4209 * 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
|
4210 * 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
|
4211 * 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
|
4212 * If there *are* dirty vdevs, sync the uberblock to all vdevs. |
| 789 | 4213 */ |
|
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
|
4214 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
|
4215 /* |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4216 * 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
|
4217 * 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
|
4218 */ |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4219 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
|
4220 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4221 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
|
4222 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
|
4223 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
|
4224 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
|
4225 int c0 = spa_get_random(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
|
4226 int 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
|
4227 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4228 for (c = 0; c < 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
|
4229 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
|
4230 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
|
4231 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
|
4232 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
|
4233 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
|
4234 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
|
4235 } |
|
9725
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4236 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
|
4237 if (error != 0) |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4238 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
|
4239 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
|
4240 } 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
|
4241 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
|
4242 rvd->vdev_children, txg, B_FALSE); |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4243 if (error != 0) |
|
0bf7402e8022
6843014 ZFS B_FAILFAST handling is broken
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9701
diff
changeset
|
4244 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
|
4245 rvd->vdev_children, txg, B_TRUE); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4246 } |
|
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
|
4247 |
|
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
|
4248 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
|
4249 |
|
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
|
4250 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
|
4251 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
|
4252 zio_suspend(spa, NULL); |
|
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
|
4253 zio_resume_wait(spa); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4254 } |
| 2082 | 4255 dmu_tx_commit(tx); |
| 4256 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4257 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4258 * Clear the dirty config list. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4259 */ |
|
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
|
4260 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
|
4261 vdev_config_clean(vd); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4262 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4263 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4264 * 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
|
4265 * 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
|
4266 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4267 if (spa->spa_config_syncing != NULL) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4268 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
|
4269 spa->spa_config_txg = txg; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4270 spa->spa_config_syncing = NULL; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4271 } |
| 789 | 4272 |
| 4273 spa->spa_ubsync = spa->spa_uberblock; | |
| 4274 | |
| 4275 /* | |
| 4276 * Clean up the ZIL records for the synced txg. | |
| 4277 */ | |
| 4278 dsl_pool_zil_clean(dp); | |
| 4279 | |
| 4280 /* | |
| 4281 * Update usable space statistics. | |
| 4282 */ | |
| 4283 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) | |
| 4284 vdev_sync_done(vd, txg); | |
| 4285 | |
| 4286 /* | |
| 4287 * It had better be the case that we didn't dirty anything | |
| 2082 | 4288 * since vdev_config_sync(). |
| 789 | 4289 */ |
| 4290 ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); | |
| 4291 ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); | |
| 4292 ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); | |
| 4293 ASSERT(bpl->bpl_queue == NULL); | |
| 4294 | |
|
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
|
4295 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 1544 | 4296 |
| 4297 /* | |
| 4298 * If any async tasks have been requested, kick them off. | |
| 4299 */ | |
| 4300 spa_async_dispatch(spa); | |
| 789 | 4301 } |
| 4302 | |
| 4303 /* | |
| 4304 * Sync all pools. We don't want to hold the namespace lock across these | |
| 4305 * operations, so we take a reference on the spa_t and drop the lock during the | |
| 4306 * sync. | |
| 4307 */ | |
| 4308 void | |
| 4309 spa_sync_allpools(void) | |
| 4310 { | |
| 4311 spa_t *spa = NULL; | |
| 4312 mutex_enter(&spa_namespace_lock); | |
| 4313 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
|
4314 if (spa_state(spa) != POOL_STATE_ACTIVE || spa_suspended(spa)) |
| 789 | 4315 continue; |
| 4316 spa_open_ref(spa, FTAG); | |
| 4317 mutex_exit(&spa_namespace_lock); | |
| 4318 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 4319 mutex_enter(&spa_namespace_lock); | |
| 4320 spa_close(spa, FTAG); | |
| 4321 } | |
| 4322 mutex_exit(&spa_namespace_lock); | |
| 4323 } | |
| 4324 | |
| 4325 /* | |
| 4326 * ========================================================================== | |
| 4327 * Miscellaneous routines | |
| 4328 * ========================================================================== | |
| 4329 */ | |
| 4330 | |
| 4331 /* | |
| 4332 * Remove all pools in the system. | |
| 4333 */ | |
| 4334 void | |
| 4335 spa_evict_all(void) | |
| 4336 { | |
| 4337 spa_t *spa; | |
| 4338 | |
| 4339 /* | |
| 4340 * Remove all cached state. All pools should be closed now, | |
| 4341 * so every spa in the AVL tree should be unreferenced. | |
| 4342 */ | |
| 4343 mutex_enter(&spa_namespace_lock); | |
| 4344 while ((spa = spa_next(NULL)) != NULL) { | |
| 4345 /* | |
| 1544 | 4346 * Stop async tasks. The async thread may need to detach |
| 4347 * a device that's been replaced, which requires grabbing | |
| 4348 * spa_namespace_lock, so we must drop it here. | |
| 789 | 4349 */ |
| 4350 spa_open_ref(spa, FTAG); | |
| 4351 mutex_exit(&spa_namespace_lock); | |
| 1544 | 4352 spa_async_suspend(spa); |
| 4808 | 4353 mutex_enter(&spa_namespace_lock); |
| 789 | 4354 spa_close(spa, FTAG); |
| 4355 | |
| 4356 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { | |
| 4357 spa_unload(spa); | |
| 4358 spa_deactivate(spa); | |
| 4359 } | |
| 4360 spa_remove(spa); | |
| 4361 } | |
| 4362 mutex_exit(&spa_namespace_lock); | |
| 4363 } | |
| 1544 | 4364 |
| 4365 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
|
4366 spa_lookup_by_guid(spa_t *spa, uint64_t guid, boolean_t aux) |
| 1544 | 4367 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4368 vdev_t *vd; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4369 int i; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4370 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4371 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
|
4372 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4373 |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4374 if (aux) { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4375 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
|
4376 vd = spa->spa_l2cache.sav_vdevs[i]; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4377 if (vd->vdev_guid == guid) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4378 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4379 } |
|
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4380 |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4381 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
|
4382 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
|
4383 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
|
4384 return (vd); |
|
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9276
diff
changeset
|
4385 } |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4386 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4387 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4388 return (NULL); |
| 1544 | 4389 } |
| 1760 | 4390 |
| 4391 void | |
| 5094 | 4392 spa_upgrade(spa_t *spa, uint64_t version) |
| 1760 | 4393 { |
|
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
|
4394 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1760 | 4395 |
| 4396 /* | |
| 4397 * This should only be called for a non-faulted pool, and since a | |
| 4398 * future version would result in an unopenable pool, this shouldn't be | |
| 4399 * possible. | |
| 4400 */ | |
| 4577 | 4401 ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
| 5094 | 4402 ASSERT(version >= spa->spa_uberblock.ub_version); |
| 4403 | |
| 4404 spa->spa_uberblock.ub_version = version; | |
| 1760 | 4405 vdev_config_dirty(spa->spa_root_vdev); |
| 4406 | |
|
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
|
4407 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 4408 |
| 4409 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 1760 | 4410 } |
| 2082 | 4411 |
| 4412 boolean_t | |
| 4413 spa_has_spare(spa_t *spa, uint64_t guid) | |
| 4414 { | |
| 4415 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4416 uint64_t spareguid; |
| 5450 | 4417 spa_aux_vdev_t *sav = &spa->spa_spares; |
| 4418 | |
| 4419 for (i = 0; i < sav->sav_count; i++) | |
| 4420 if (sav->sav_vdevs[i]->vdev_guid == guid) | |
| 2082 | 4421 return (B_TRUE); |
| 4422 | |
| 5450 | 4423 for (i = 0; i < sav->sav_npending; i++) { |
| 4424 if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, | |
| 4425 &spareguid) == 0 && spareguid == guid) | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4426 return (B_TRUE); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4427 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4428 |
| 2082 | 4429 return (B_FALSE); |
| 4430 } | |
| 3912 | 4431 |
| 4451 | 4432 /* |
|
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
|
4433 * 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
|
4434 * 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
|
4435 */ |
|
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
|
4436 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
|
4437 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
|
4438 { |
|
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
|
4439 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
|
4440 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
|
4441 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
|
4442 |
|
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
|
4443 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
|
4444 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
|
4445 &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
|
4446 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
|
4447 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
|
4448 } |
|
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
|
4449 |
|
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
|
4450 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
|
4451 } |
|
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
|
4452 |
|
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
|
4453 /* |
| 4451 | 4454 * Post a sysevent corresponding to the given event. The 'name' must be one of |
| 4455 * the event definitions in sys/sysevent/eventdefs.h. The payload will be | |
| 4456 * filled in from the spa and (optionally) the vdev. This doesn't do anything | |
| 4457 * in the userland libzpool, as we don't want consumers to misinterpret ztest | |
| 4458 * or zdb as real changes. | |
| 4459 */ | |
| 4460 void | |
| 4461 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) | |
| 4462 { | |
| 4463 #ifdef _KERNEL | |
| 4464 sysevent_t *ev; | |
| 4465 sysevent_attr_list_t *attr = NULL; | |
| 4466 sysevent_value_t value; | |
| 4467 sysevent_id_t eid; | |
| 4468 | |
| 4469 ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", | |
| 4470 SE_SLEEP); | |
| 4471 | |
| 4472 value.value_type = SE_DATA_TYPE_STRING; | |
| 4473 value.value.sv_string = spa_name(spa); | |
| 4474 if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) | |
| 4475 goto done; | |
| 4476 | |
| 4477 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4478 value.value.sv_uint64 = spa_guid(spa); | |
| 4479 if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) | |
| 4480 goto done; | |
| 4481 | |
| 4482 if (vd) { | |
| 4483 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4484 value.value.sv_uint64 = vd->vdev_guid; | |
| 4485 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, | |
| 4486 SE_SLEEP) != 0) | |
| 4487 goto done; | |
| 4488 | |
| 4489 if (vd->vdev_path) { | |
| 4490 value.value_type = SE_DATA_TYPE_STRING; | |
| 4491 value.value.sv_string = vd->vdev_path; | |
| 4492 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, | |
| 4493 &value, SE_SLEEP) != 0) | |
| 4494 goto done; | |
| 4495 } | |
| 4496 } | |
| 4497 | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4498 if (sysevent_attach_attributes(ev, attr) != 0) |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4499 goto done; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4500 attr = NULL; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4501 |
| 4451 | 4502 (void) log_sysevent(ev, SE_SLEEP, &eid); |
| 4503 | |
| 4504 done: | |
| 4505 if (attr) | |
| 4506 sysevent_free_attr(attr); | |
| 4507 sysevent_free(ev); | |
| 4508 #endif | |
| 4509 } |