Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/spa.c @ 9230:e4561e3eb1ef
6821169 offlining a device results in checksum errors
6821170 ZFS should not increment error stats for unavailable devices
6824006 need to increase issue and interrupt taskqs threads in zfs
| author | George Wilson <George.Wilson@Sun.COM> |
|---|---|
| date | Mon, 30 Mar 2009 17:19:05 -0700 |
| parents | 005fe27123ba |
| children | bffdc4fc05c4 |
| 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 int zio_taskq_threads[ZIO_TYPES][ZIO_TASKQ_TYPES] = { |
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71 /* ISSUE INTR */ |
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72 { 1, 1 }, /* ZIO_TYPE_NULL */ |
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73 { 8, 8 }, /* ZIO_TYPE_READ */ |
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74 { 8, 8 }, /* ZIO_TYPE_WRITE */ |
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75 { 1, 1 }, /* ZIO_TYPE_FREE */ |
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76 { 1, 1 }, /* ZIO_TYPE_CLAIM */ |
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77 { 1, 1 }, /* ZIO_TYPE_IOCTL */ |
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78 }; |
| 2986 | 79 |
| 5094 | 80 static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
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81 static boolean_t spa_has_active_shared_spare(spa_t *spa); |
| 5094 | 82 |
| 83 /* | |
| 84 * ========================================================================== | |
| 85 * SPA properties routines | |
| 86 * ========================================================================== | |
| 87 */ | |
| 88 | |
| 89 /* | |
| 90 * Add a (source=src, propname=propval) list to an nvlist. | |
| 91 */ | |
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92 static void |
| 5094 | 93 spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, |
| 94 uint64_t intval, zprop_source_t src) | |
| 95 { | |
| 96 const char *propname = zpool_prop_to_name(prop); | |
| 97 nvlist_t *propval; | |
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98 |
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99 VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
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100 VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0); |
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101 |
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102 if (strval != NULL) |
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103 VERIFY(nvlist_add_string(propval, ZPROP_VALUE, strval) == 0); |
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104 else |
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105 VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, intval) == 0); |
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106 |
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107 VERIFY(nvlist_add_nvlist(nvl, propname, propval) == 0); |
| 5094 | 108 nvlist_free(propval); |
| 109 } | |
| 110 | |
| 111 /* | |
| 112 * Get property values from the spa configuration. | |
| 113 */ | |
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114 static void |
| 5094 | 115 spa_prop_get_config(spa_t *spa, nvlist_t **nvp) |
| 116 { | |
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117 uint64_t size; |
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118 uint64_t used; |
| 5094 | 119 uint64_t cap, version; |
| 120 zprop_source_t src = ZPROP_SRC_NONE; | |
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121 spa_config_dirent_t *dp; |
| 5094 | 122 |
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123 ASSERT(MUTEX_HELD(&spa->spa_props_lock)); |
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124 |
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125 if (spa->spa_root_vdev != NULL) { |
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126 size = spa_get_space(spa); |
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127 used = spa_get_alloc(spa); |
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128 spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src); |
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129 spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src); |
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130 spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src); |
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131 spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, |
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132 size - used, src); |
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133 |
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134 cap = (size == 0) ? 0 : (used * 100 / size); |
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135 spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src); |
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136 |
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137 spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, |
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138 spa->spa_root_vdev->vdev_state, src); |
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139 |
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140 version = spa_version(spa); |
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141 if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) |
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142 src = ZPROP_SRC_DEFAULT; |
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143 else |
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144 src = ZPROP_SRC_LOCAL; |
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145 spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src); |
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146 } |
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147 |
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148 spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src); |
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149 |
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150 if (spa->spa_root != NULL) |
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151 spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root, |
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152 0, ZPROP_SRC_LOCAL); |
| 5094 | 153 |
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154 if ((dp = list_head(&spa->spa_config_list)) != NULL) { |
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155 if (dp->scd_path == NULL) { |
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156 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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157 "none", 0, ZPROP_SRC_LOCAL); |
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158 } else if (strcmp(dp->scd_path, spa_config_path) != 0) { |
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159 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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160 dp->scd_path, 0, ZPROP_SRC_LOCAL); |
| 5363 | 161 } |
| 162 } | |
| 5094 | 163 } |
| 164 | |
| 165 /* | |
| 166 * Get zpool property values. | |
| 167 */ | |
| 168 int | |
| 169 spa_prop_get(spa_t *spa, nvlist_t **nvp) | |
| 170 { | |
| 171 zap_cursor_t zc; | |
| 172 zap_attribute_t za; | |
| 173 objset_t *mos = spa->spa_meta_objset; | |
| 174 int err; | |
| 175 | |
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176 VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5094 | 177 |
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178 mutex_enter(&spa->spa_props_lock); |
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179 |
| 5094 | 180 /* |
| 181 * Get properties from the spa config. | |
| 182 */ | |
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183 spa_prop_get_config(spa, nvp); |
| 5094 | 184 |
| 185 /* If no pool property object, no more prop to get. */ | |
| 186 if (spa->spa_pool_props_object == 0) { | |
| 187 mutex_exit(&spa->spa_props_lock); | |
| 188 return (0); | |
| 189 } | |
| 190 | |
| 191 /* | |
| 192 * Get properties from the MOS pool property object. | |
| 193 */ | |
| 194 for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); | |
| 195 (err = zap_cursor_retrieve(&zc, &za)) == 0; | |
| 196 zap_cursor_advance(&zc)) { | |
| 197 uint64_t intval = 0; | |
| 198 char *strval = NULL; | |
| 199 zprop_source_t src = ZPROP_SRC_DEFAULT; | |
| 200 zpool_prop_t prop; | |
| 201 | |
| 202 if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) | |
| 203 continue; | |
| 204 | |
| 205 switch (za.za_integer_length) { | |
| 206 case 8: | |
| 207 /* integer property */ | |
| 208 if (za.za_first_integer != | |
| 209 zpool_prop_default_numeric(prop)) | |
| 210 src = ZPROP_SRC_LOCAL; | |
| 211 | |
| 212 if (prop == ZPOOL_PROP_BOOTFS) { | |
| 213 dsl_pool_t *dp; | |
| 214 dsl_dataset_t *ds = NULL; | |
| 215 | |
| 216 dp = spa_get_dsl(spa); | |
| 217 rw_enter(&dp->dp_config_rwlock, RW_READER); | |
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218 if (err = dsl_dataset_hold_obj(dp, |
|
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|
219 za.za_first_integer, FTAG, &ds)) { |
| 5094 | 220 rw_exit(&dp->dp_config_rwlock); |
| 221 break; | |
| 222 } | |
| 223 | |
| 224 strval = kmem_alloc( | |
| 225 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, | |
| 226 KM_SLEEP); | |
| 227 dsl_dataset_name(ds, strval); | |
|
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|
228 dsl_dataset_rele(ds, FTAG); |
| 5094 | 229 rw_exit(&dp->dp_config_rwlock); |
| 230 } else { | |
| 231 strval = NULL; | |
| 232 intval = za.za_first_integer; | |
| 233 } | |
| 234 | |
|
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|
235 spa_prop_add_list(*nvp, prop, strval, intval, src); |
| 5094 | 236 |
| 237 if (strval != NULL) | |
| 238 kmem_free(strval, | |
| 239 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); | |
| 240 | |
| 241 break; | |
| 242 | |
| 243 case 1: | |
| 244 /* string property */ | |
| 245 strval = kmem_alloc(za.za_num_integers, KM_SLEEP); | |
| 246 err = zap_lookup(mos, spa->spa_pool_props_object, | |
| 247 za.za_name, 1, za.za_num_integers, strval); | |
| 248 if (err) { | |
| 249 kmem_free(strval, za.za_num_integers); | |
| 250 break; | |
| 251 } | |
|
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|
252 spa_prop_add_list(*nvp, prop, strval, 0, src); |
| 5094 | 253 kmem_free(strval, za.za_num_integers); |
| 254 break; | |
| 255 | |
| 256 default: | |
| 257 break; | |
| 258 } | |
| 259 } | |
| 260 zap_cursor_fini(&zc); | |
| 261 mutex_exit(&spa->spa_props_lock); | |
| 262 out: | |
| 263 if (err && err != ENOENT) { | |
| 264 nvlist_free(*nvp); | |
|
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|
265 *nvp = NULL; |
| 5094 | 266 return (err); |
| 267 } | |
| 268 | |
| 269 return (0); | |
| 270 } | |
| 271 | |
| 272 /* | |
| 273 * Validate the given pool properties nvlist and modify the list | |
| 274 * for the property values to be set. | |
| 275 */ | |
| 276 static int | |
| 277 spa_prop_validate(spa_t *spa, nvlist_t *props) | |
| 278 { | |
| 279 nvpair_t *elem; | |
| 280 int error = 0, reset_bootfs = 0; | |
| 281 uint64_t objnum; | |
| 282 | |
| 283 elem = NULL; | |
| 284 while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
| 285 zpool_prop_t prop; | |
| 286 char *propname, *strval; | |
| 287 uint64_t intval; | |
| 288 objset_t *os; | |
| 5363 | 289 char *slash; |
| 5094 | 290 |
| 291 propname = nvpair_name(elem); | |
| 292 | |
| 293 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) | |
| 294 return (EINVAL); | |
| 295 | |
| 296 switch (prop) { | |
| 297 case ZPOOL_PROP_VERSION: | |
| 298 error = nvpair_value_uint64(elem, &intval); | |
| 299 if (!error && | |
| 300 (intval < spa_version(spa) || intval > SPA_VERSION)) | |
| 301 error = EINVAL; | |
| 302 break; | |
| 303 | |
| 304 case ZPOOL_PROP_DELEGATION: | |
| 305 case ZPOOL_PROP_AUTOREPLACE: | |
|
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|
306 case ZPOOL_PROP_LISTSNAPS: |
| 5094 | 307 error = nvpair_value_uint64(elem, &intval); |
| 308 if (!error && intval > 1) | |
| 309 error = EINVAL; | |
| 310 break; | |
| 311 | |
| 312 case ZPOOL_PROP_BOOTFS: | |
| 313 if (spa_version(spa) < SPA_VERSION_BOOTFS) { | |
| 314 error = ENOTSUP; | |
| 315 break; | |
| 316 } | |
| 317 | |
| 318 /* | |
|
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319 * Make sure the vdev config is bootable |
| 5094 | 320 */ |
|
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|
321 if (!vdev_is_bootable(spa->spa_root_vdev)) { |
| 5094 | 322 error = ENOTSUP; |
| 323 break; | |
| 324 } | |
| 325 | |
| 326 reset_bootfs = 1; | |
| 327 | |
| 328 error = nvpair_value_string(elem, &strval); | |
| 329 | |
| 330 if (!error) { | |
|
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331 uint64_t compress; |
|
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|
332 |
| 5094 | 333 if (strval == NULL || strval[0] == '\0') { |
| 334 objnum = zpool_prop_default_numeric( | |
| 335 ZPOOL_PROP_BOOTFS); | |
| 336 break; | |
| 337 } | |
| 338 | |
| 339 if (error = dmu_objset_open(strval, DMU_OST_ZFS, | |
|
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340 DS_MODE_USER | DS_MODE_READONLY, &os)) |
| 5094 | 341 break; |
|
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|
342 |
|
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|
343 /* We don't support gzip bootable datasets */ |
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344 if ((error = dsl_prop_get_integer(strval, |
|
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|
345 zfs_prop_to_name(ZFS_PROP_COMPRESSION), |
|
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|
346 &compress, NULL)) == 0 && |
|
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|
347 !BOOTFS_COMPRESS_VALID(compress)) { |
|
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|
348 error = ENOTSUP; |
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|
349 } else { |
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|
350 objnum = dmu_objset_id(os); |
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|
351 } |
| 5094 | 352 dmu_objset_close(os); |
| 353 } | |
| 354 break; | |
|
7754
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
355 |
| 5329 | 356 case ZPOOL_PROP_FAILUREMODE: |
| 357 error = nvpair_value_uint64(elem, &intval); | |
| 358 if (!error && (intval < ZIO_FAILURE_MODE_WAIT || | |
| 359 intval > ZIO_FAILURE_MODE_PANIC)) | |
| 360 error = EINVAL; | |
| 361 | |
| 362 /* | |
| 363 * This is a special case which only occurs when | |
| 364 * the pool has completely failed. This allows | |
| 365 * the user to change the in-core failmode property | |
| 366 * without syncing it out to disk (I/Os might | |
| 367 * currently be blocked). We do this by returning | |
| 368 * EIO to the caller (spa_prop_set) to trick it | |
| 369 * into thinking we encountered a property validation | |
| 370 * error. | |
| 371 */ | |
|
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
|
372 if (!error && spa_suspended(spa)) { |
| 5329 | 373 spa->spa_failmode = intval; |
| 374 error = EIO; | |
| 375 } | |
| 376 break; | |
| 5363 | 377 |
| 378 case ZPOOL_PROP_CACHEFILE: | |
| 379 if ((error = nvpair_value_string(elem, &strval)) != 0) | |
| 380 break; | |
| 381 | |
| 382 if (strval[0] == '\0') | |
| 383 break; | |
| 384 | |
| 385 if (strcmp(strval, "none") == 0) | |
| 386 break; | |
| 387 | |
| 388 if (strval[0] != '/') { | |
| 389 error = EINVAL; | |
| 390 break; | |
| 391 } | |
| 392 | |
| 393 slash = strrchr(strval, '/'); | |
| 394 ASSERT(slash != NULL); | |
| 395 | |
| 396 if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
| 397 strcmp(slash, "/..") == 0) | |
| 398 error = EINVAL; | |
| 399 break; | |
| 5094 | 400 } |
| 401 | |
| 402 if (error) | |
| 403 break; | |
| 404 } | |
| 405 | |
| 406 if (!error && reset_bootfs) { | |
| 407 error = nvlist_remove(props, | |
| 408 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); | |
| 409 | |
| 410 if (!error) { | |
| 411 error = nvlist_add_uint64(props, | |
| 412 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); | |
| 413 } | |
| 414 } | |
| 415 | |
| 416 return (error); | |
| 417 } | |
| 418 | |
|
8525
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diff
changeset
|
419 void |
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diff
changeset
|
420 spa_configfile_set(spa_t *spa, nvlist_t *nvp, boolean_t need_sync) |
|
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changeset
|
421 { |
|
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8242
diff
changeset
|
422 char *cachefile; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
423 spa_config_dirent_t *dp; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
424 |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
425 if (nvlist_lookup_string(nvp, zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
426 &cachefile) != 0) |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
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parents:
8242
diff
changeset
|
427 return; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
428 |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
429 dp = kmem_alloc(sizeof (spa_config_dirent_t), |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
430 KM_SLEEP); |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
431 |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
432 if (cachefile[0] == '\0') |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
433 dp->scd_path = spa_strdup(spa_config_path); |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
434 else if (strcmp(cachefile, "none") == 0) |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
435 dp->scd_path = NULL; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
436 else |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
437 dp->scd_path = spa_strdup(cachefile); |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
438 |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
439 list_insert_head(&spa->spa_config_list, dp); |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
440 if (need_sync) |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
441 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
442 } |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
443 |
| 5094 | 444 int |
| 445 spa_prop_set(spa_t *spa, nvlist_t *nvp) | |
| 446 { | |
| 447 int error; | |
|
8525
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
448 nvpair_t *elem; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
449 boolean_t need_sync = B_FALSE; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
450 zpool_prop_t prop; |
| 5094 | 451 |
| 452 if ((error = spa_prop_validate(spa, nvp)) != 0) | |
| 453 return (error); | |
| 454 | |
|
8525
e0e0e525d0f8
6788830 set large value to reservation cause core dump
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parents:
8242
diff
changeset
|
455 elem = NULL; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
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8242
diff
changeset
|
456 while ((elem = nvlist_next_nvpair(nvp, elem)) != NULL) { |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
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parents:
8242
diff
changeset
|
457 if ((prop = zpool_name_to_prop( |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
458 nvpair_name(elem))) == ZPROP_INVAL) |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
459 return (EINVAL); |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
460 |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
461 if (prop == ZPOOL_PROP_CACHEFILE || prop == ZPOOL_PROP_ALTROOT) |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
462 continue; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
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8242
diff
changeset
|
463 |
|
e0e0e525d0f8
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Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
464 need_sync = B_TRUE; |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
465 break; |
|
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6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
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diff
changeset
|
466 } |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
467 |
|
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Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
468 if (need_sync) |
|
e0e0e525d0f8
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Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
469 return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
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diff
changeset
|
470 spa, nvp, 3)); |
|
e0e0e525d0f8
6788830 set large value to reservation cause core dump
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diff
changeset
|
471 else |
|
e0e0e525d0f8
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Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8242
diff
changeset
|
472 return (0); |
| 5094 | 473 } |
| 474 | |
| 475 /* | |
| 476 * If the bootfs property value is dsobj, clear it. | |
| 477 */ | |
| 478 void | |
| 479 spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) | |
| 480 { | |
| 481 if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { | |
| 482 VERIFY(zap_remove(spa->spa_meta_objset, | |
| 483 spa->spa_pool_props_object, | |
| 484 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); | |
| 485 spa->spa_bootfs = 0; | |
| 486 } | |
| 487 } | |
| 488 | |
| 789 | 489 /* |
| 490 * ========================================================================== | |
| 491 * SPA state manipulation (open/create/destroy/import/export) | |
| 492 * ========================================================================== | |
| 493 */ | |
| 494 | |
| 1544 | 495 static int |
| 496 spa_error_entry_compare(const void *a, const void *b) | |
| 497 { | |
| 498 spa_error_entry_t *sa = (spa_error_entry_t *)a; | |
| 499 spa_error_entry_t *sb = (spa_error_entry_t *)b; | |
| 500 int ret; | |
| 501 | |
| 502 ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, | |
| 503 sizeof (zbookmark_t)); | |
| 504 | |
| 505 if (ret < 0) | |
| 506 return (-1); | |
| 507 else if (ret > 0) | |
| 508 return (1); | |
| 509 else | |
| 510 return (0); | |
| 511 } | |
| 512 | |
| 513 /* | |
| 514 * Utility function which retrieves copies of the current logs and | |
| 515 * re-initializes them in the process. | |
| 516 */ | |
| 517 void | |
| 518 spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) | |
| 519 { | |
| 520 ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); | |
| 521 | |
| 522 bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); | |
| 523 bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); | |
| 524 | |
| 525 avl_create(&spa->spa_errlist_scrub, | |
| 526 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 527 offsetof(spa_error_entry_t, se_avl)); | |
| 528 avl_create(&spa->spa_errlist_last, | |
| 529 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 530 offsetof(spa_error_entry_t, se_avl)); | |
| 531 } | |
| 532 | |
| 789 | 533 /* |
| 534 * Activate an uninitialized pool. | |
| 535 */ | |
| 536 static void | |
|
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537 spa_activate(spa_t *spa, int mode) |
| 789 | 538 { |
| 539 ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); | |
| 540 | |
| 541 spa->spa_state = POOL_STATE_ACTIVE; | |
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542 spa->spa_mode = mode; |
| 789 | 543 |
| 544 spa->spa_normal_class = metaslab_class_create(); | |
| 4527 | 545 spa->spa_log_class = metaslab_class_create(); |
| 789 | 546 |
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547 for (int t = 0; t < ZIO_TYPES; t++) { |
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548 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
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549 spa->spa_zio_taskq[t][q] = taskq_create("spa_zio", |
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550 zio_taskq_threads[t][q], maxclsyspri, 50, |
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551 INT_MAX, TASKQ_PREPOPULATE); |
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552 } |
| 789 | 553 } |
| 554 | |
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555 list_create(&spa->spa_config_dirty_list, sizeof (vdev_t), |
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556 offsetof(vdev_t, vdev_config_dirty_node)); |
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557 list_create(&spa->spa_state_dirty_list, sizeof (vdev_t), |
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558 offsetof(vdev_t, vdev_state_dirty_node)); |
| 789 | 559 |
| 560 txg_list_create(&spa->spa_vdev_txg_list, | |
| 561 offsetof(struct vdev, vdev_txg_node)); | |
| 1544 | 562 |
| 563 avl_create(&spa->spa_errlist_scrub, | |
| 564 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 565 offsetof(spa_error_entry_t, se_avl)); | |
| 566 avl_create(&spa->spa_errlist_last, | |
| 567 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 568 offsetof(spa_error_entry_t, se_avl)); | |
| 789 | 569 } |
| 570 | |
| 571 /* | |
| 572 * Opposite of spa_activate(). | |
| 573 */ | |
| 574 static void | |
| 575 spa_deactivate(spa_t *spa) | |
| 576 { | |
| 577 ASSERT(spa->spa_sync_on == B_FALSE); | |
| 578 ASSERT(spa->spa_dsl_pool == NULL); | |
| 579 ASSERT(spa->spa_root_vdev == NULL); | |
| 580 | |
| 581 ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); | |
| 582 | |
| 583 txg_list_destroy(&spa->spa_vdev_txg_list); | |
| 584 | |
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585 list_destroy(&spa->spa_config_dirty_list); |
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586 list_destroy(&spa->spa_state_dirty_list); |
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587 |
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588 for (int t = 0; t < ZIO_TYPES; t++) { |
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589 for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
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590 taskq_destroy(spa->spa_zio_taskq[t][q]); |
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591 spa->spa_zio_taskq[t][q] = NULL; |
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592 } |
| 789 | 593 } |
| 594 | |
| 595 metaslab_class_destroy(spa->spa_normal_class); | |
| 596 spa->spa_normal_class = NULL; | |
| 597 | |
| 4527 | 598 metaslab_class_destroy(spa->spa_log_class); |
| 599 spa->spa_log_class = NULL; | |
| 600 | |
| 1544 | 601 /* |
| 602 * If this was part of an import or the open otherwise failed, we may | |
| 603 * still have errors left in the queues. Empty them just in case. | |
| 604 */ | |
| 605 spa_errlog_drain(spa); | |
| 606 | |
| 607 avl_destroy(&spa->spa_errlist_scrub); | |
| 608 avl_destroy(&spa->spa_errlist_last); | |
| 609 | |
| 789 | 610 spa->spa_state = POOL_STATE_UNINITIALIZED; |
| 611 } | |
| 612 | |
| 613 /* | |
| 614 * Verify a pool configuration, and construct the vdev tree appropriately. This | |
| 615 * will create all the necessary vdevs in the appropriate layout, with each vdev | |
| 616 * in the CLOSED state. This will prep the pool before open/creation/import. | |
| 617 * All vdev validation is done by the vdev_alloc() routine. | |
| 618 */ | |
| 2082 | 619 static int |
| 620 spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, | |
| 621 uint_t id, int atype) | |
| 789 | 622 { |
| 623 nvlist_t **child; | |
| 624 uint_t c, children; | |
| 2082 | 625 int error; |
| 626 | |
| 627 if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) | |
| 628 return (error); | |
| 629 | |
| 630 if ((*vdp)->vdev_ops->vdev_op_leaf) | |
| 631 return (0); | |
| 789 | 632 |
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633 error = nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, |
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634 &child, &children); |
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635 |
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636 if (error == ENOENT) |
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637 return (0); |
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638 |
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639 if (error) { |
| 2082 | 640 vdev_free(*vdp); |
| 641 *vdp = NULL; | |
| 642 return (EINVAL); | |
| 789 | 643 } |
| 644 | |
| 645 for (c = 0; c < children; c++) { | |
| 2082 | 646 vdev_t *vd; |
| 647 if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, | |
| 648 atype)) != 0) { | |
| 649 vdev_free(*vdp); | |
| 650 *vdp = NULL; | |
| 651 return (error); | |
| 789 | 652 } |
| 653 } | |
| 654 | |
| 2082 | 655 ASSERT(*vdp != NULL); |
| 656 | |
| 657 return (0); | |
| 789 | 658 } |
| 659 | |
| 660 /* | |
| 661 * Opposite of spa_load(). | |
| 662 */ | |
| 663 static void | |
| 664 spa_unload(spa_t *spa) | |
| 665 { | |
| 2082 | 666 int i; |
| 667 | |
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668 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
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669 |
| 789 | 670 /* |
| 1544 | 671 * Stop async tasks. |
| 672 */ | |
| 673 spa_async_suspend(spa); | |
| 674 | |
| 675 /* | |
| 789 | 676 * Stop syncing. |
| 677 */ | |
| 678 if (spa->spa_sync_on) { | |
| 679 txg_sync_stop(spa->spa_dsl_pool); | |
| 680 spa->spa_sync_on = B_FALSE; | |
| 681 } | |
| 682 | |
| 683 /* | |
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684 * Wait for any outstanding async I/O to complete. |
| 789 | 685 */ |
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686 mutex_enter(&spa->spa_async_root_lock); |
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687 while (spa->spa_async_root_count != 0) |
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688 cv_wait(&spa->spa_async_root_cv, &spa->spa_async_root_lock); |
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689 mutex_exit(&spa->spa_async_root_lock); |
| 789 | 690 |
| 691 /* | |
| 692 * Close the dsl pool. | |
| 693 */ | |
| 694 if (spa->spa_dsl_pool) { | |
| 695 dsl_pool_close(spa->spa_dsl_pool); | |
| 696 spa->spa_dsl_pool = NULL; | |
| 697 } | |
| 698 | |
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699 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
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700 |
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701 /* |
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702 * Drop and purge level 2 cache |
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703 */ |
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704 spa_l2cache_drop(spa); |
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705 |
| 789 | 706 /* |
| 707 * Close all vdevs. | |
| 708 */ | |
|
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709 if (spa->spa_root_vdev) |
| 789 | 710 vdev_free(spa->spa_root_vdev); |
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711 ASSERT(spa->spa_root_vdev == NULL); |
| 1544 | 712 |
| 5450 | 713 for (i = 0; i < spa->spa_spares.sav_count; i++) |
| 714 vdev_free(spa->spa_spares.sav_vdevs[i]); | |
| 715 if (spa->spa_spares.sav_vdevs) { | |
| 716 kmem_free(spa->spa_spares.sav_vdevs, | |
| 717 spa->spa_spares.sav_count * sizeof (void *)); | |
| 718 spa->spa_spares.sav_vdevs = NULL; | |
| 719 } | |
| 720 if (spa->spa_spares.sav_config) { | |
| 721 nvlist_free(spa->spa_spares.sav_config); | |
| 722 spa->spa_spares.sav_config = NULL; | |
| 2082 | 723 } |
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724 spa->spa_spares.sav_count = 0; |
| 5450 | 725 |
| 726 for (i = 0; i < spa->spa_l2cache.sav_count; i++) | |
| 727 vdev_free(spa->spa_l2cache.sav_vdevs[i]); | |
| 728 if (spa->spa_l2cache.sav_vdevs) { | |
| 729 kmem_free(spa->spa_l2cache.sav_vdevs, | |
| 730 spa->spa_l2cache.sav_count * sizeof (void *)); | |
| 731 spa->spa_l2cache.sav_vdevs = NULL; | |
| 732 } | |
| 733 if (spa->spa_l2cache.sav_config) { | |
| 734 nvlist_free(spa->spa_l2cache.sav_config); | |
| 735 spa->spa_l2cache.sav_config = NULL; | |
| 2082 | 736 } |
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737 spa->spa_l2cache.sav_count = 0; |
| 2082 | 738 |
| 1544 | 739 spa->spa_async_suspended = 0; |
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740 |
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741 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 742 } |
| 743 | |
| 744 /* | |
| 2082 | 745 * Load (or re-load) the current list of vdevs describing the active spares for |
| 746 * this pool. When this is called, we have some form of basic information in | |
| 5450 | 747 * 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and |
| 748 * then re-generate a more complete list including status information. | |
| 2082 | 749 */ |
| 750 static void | |
| 751 spa_load_spares(spa_t *spa) | |
| 752 { | |
| 753 nvlist_t **spares; | |
| 754 uint_t nspares; | |
| 755 int i; | |
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756 vdev_t *vd, *tvd; |
| 2082 | 757 |
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758 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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759 |
| 2082 | 760 /* |
| 761 * First, close and free any existing spare vdevs. | |
| 762 */ | |
| 5450 | 763 for (i = 0; i < spa->spa_spares.sav_count; i++) { |
| 764 vd = spa->spa_spares.sav_vdevs[i]; | |
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765 |
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766 /* Undo the call to spa_activate() below */ |
|
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767 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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768 B_FALSE)) != NULL && tvd->vdev_isspare) |
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769 spa_spare_remove(tvd); |
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770 vdev_close(vd); |
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771 vdev_free(vd); |
| 2082 | 772 } |
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773 |
| 5450 | 774 if (spa->spa_spares.sav_vdevs) |
| 775 kmem_free(spa->spa_spares.sav_vdevs, | |
| 776 spa->spa_spares.sav_count * sizeof (void *)); | |
| 777 | |
| 778 if (spa->spa_spares.sav_config == NULL) | |
| 2082 | 779 nspares = 0; |
| 780 else | |
| 5450 | 781 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 782 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 783 | |
| 5450 | 784 spa->spa_spares.sav_count = (int)nspares; |
| 785 spa->spa_spares.sav_vdevs = NULL; | |
| 2082 | 786 |
| 787 if (nspares == 0) | |
| 788 return; | |
| 789 | |
| 790 /* | |
| 791 * Construct the array of vdevs, opening them to get status in the | |
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792 * process. For each spare, there is potentially two different vdev_t |
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793 * structures associated with it: one in the list of spares (used only |
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794 * for basic validation purposes) and one in the active vdev |
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795 * configuration (if it's spared in). During this phase we open and |
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796 * validate each vdev on the spare list. If the vdev also exists in the |
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797 * active configuration, then we also mark this vdev as an active spare. |
| 2082 | 798 */ |
| 5450 | 799 spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *), |
| 800 KM_SLEEP); | |
| 801 for (i = 0; i < spa->spa_spares.sav_count; i++) { | |
| 2082 | 802 VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
| 803 VDEV_ALLOC_SPARE) == 0); | |
| 804 ASSERT(vd != NULL); | |
| 805 | |
| 5450 | 806 spa->spa_spares.sav_vdevs[i] = vd; |
| 2082 | 807 |
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808 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
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809 B_FALSE)) != NULL) { |
|
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810 if (!tvd->vdev_isspare) |
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811 spa_spare_add(tvd); |
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812 |
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813 /* |
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814 * We only mark the spare active if we were successfully |
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815 * able to load the vdev. Otherwise, importing a pool |
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816 * with a bad active spare would result in strange |
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817 * behavior, because multiple pool would think the spare |
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818 * is actively in use. |
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819 * |
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820 * There is a vulnerability here to an equally bizarre |
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821 * circumstance, where a dead active spare is later |
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822 * brought back to life (onlined or otherwise). Given |
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823 * the rarity of this scenario, and the extra complexity |
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824 * it adds, we ignore the possibility. |
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825 */ |
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826 if (!vdev_is_dead(tvd)) |
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827 spa_spare_activate(tvd); |
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828 } |
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829 |
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830 vd->vdev_top = vd; |
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831 |
| 2082 | 832 if (vdev_open(vd) != 0) |
| 833 continue; | |
| 834 | |
| 5450 | 835 if (vdev_validate_aux(vd) == 0) |
| 836 spa_spare_add(vd); | |
| 2082 | 837 } |
| 838 | |
| 839 /* | |
| 840 * Recompute the stashed list of spares, with status information | |
| 841 * this time. | |
| 842 */ | |
| 5450 | 843 VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 844 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 845 | |
| 5450 | 846 spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), |
| 847 KM_SLEEP); | |
| 848 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 849 spares[i] = vdev_config_generate(spa, | |
| 850 spa->spa_spares.sav_vdevs[i], B_TRUE, B_TRUE, B_FALSE); | |
| 851 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, | |
| 852 ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); | |
| 853 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 2082 | 854 nvlist_free(spares[i]); |
| 5450 | 855 kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); |
| 856 } | |
| 857 | |
| 858 /* | |
| 859 * Load (or re-load) the current list of vdevs describing the active l2cache for | |
| 860 * this pool. When this is called, we have some form of basic information in | |
| 861 * 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and | |
| 862 * then re-generate a more complete list including status information. | |
| 863 * Devices which are already active have their details maintained, and are | |
| 864 * not re-opened. | |
| 865 */ | |
| 866 static void | |
| 867 spa_load_l2cache(spa_t *spa) | |
| 868 { | |
| 869 nvlist_t **l2cache; | |
| 870 uint_t nl2cache; | |
| 871 int i, j, oldnvdevs; | |
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872 uint64_t guid, size; |
| 5450 | 873 vdev_t *vd, **oldvdevs, **newvdevs; |
| 874 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 875 | |
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876 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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877 |
| 5450 | 878 if (sav->sav_config != NULL) { |
| 879 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, | |
| 880 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 881 newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); | |
| 882 } else { | |
| 883 nl2cache = 0; | |
| 884 } | |
| 885 | |
| 886 oldvdevs = sav->sav_vdevs; | |
| 887 oldnvdevs = sav->sav_count; | |
| 888 sav->sav_vdevs = NULL; | |
| 889 sav->sav_count = 0; | |
| 890 | |
| 891 /* | |
| 892 * Process new nvlist of vdevs. | |
| 893 */ | |
| 894 for (i = 0; i < nl2cache; i++) { | |
| 895 VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, | |
| 896 &guid) == 0); | |
| 897 | |
| 898 newvdevs[i] = NULL; | |
| 899 for (j = 0; j < oldnvdevs; j++) { | |
| 900 vd = oldvdevs[j]; | |
| 901 if (vd != NULL && guid == vd->vdev_guid) { | |
| 902 /* | |
| 903 * Retain previous vdev for add/remove ops. | |
| 904 */ | |
| 905 newvdevs[i] = vd; | |
| 906 oldvdevs[j] = NULL; | |
| 907 break; | |
| 908 } | |
| 909 } | |
| 910 | |
| 911 if (newvdevs[i] == NULL) { | |
| 912 /* | |
| 913 * Create new vdev | |
| 914 */ | |
| 915 VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, | |
| 916 VDEV_ALLOC_L2CACHE) == 0); | |
| 917 ASSERT(vd != NULL); | |
| 918 newvdevs[i] = vd; | |
| 919 | |
| 920 /* | |
| 921 * Commit this vdev as an l2cache device, | |
| 922 * even if it fails to open. | |
| 923 */ | |
| 924 spa_l2cache_add(vd); | |
| 925 | |
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926 vd->vdev_top = vd; |
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927 vd->vdev_aux = sav; |
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928 |
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929 spa_l2cache_activate(vd); |
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930 |
| 5450 | 931 if (vdev_open(vd) != 0) |
| 932 continue; | |
| 933 | |
| 934 (void) vdev_validate_aux(vd); | |
| 935 | |
| 936 if (!vdev_is_dead(vd)) { | |
| 937 size = vdev_get_rsize(vd); | |
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938 l2arc_add_vdev(spa, vd, |
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939 VDEV_LABEL_START_SIZE, |
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940 size - VDEV_LABEL_START_SIZE); |
| 5450 | 941 } |
| 942 } | |
| 943 } | |
| 944 | |
| 945 /* | |
| 946 * Purge vdevs that were dropped | |
| 947 */ | |
| 948 for (i = 0; i < oldnvdevs; i++) { | |
| 949 uint64_t pool; | |
| 950 | |
| 951 vd = oldvdevs[i]; | |
| 952 if (vd != NULL) { | |
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953 if (spa_l2cache_exists(vd->vdev_guid, &pool) && |
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954 pool != 0ULL && l2arc_vdev_present(vd)) |
| 5450 | 955 l2arc_remove_vdev(vd); |
| 956 (void) vdev_close(vd); | |
| 957 spa_l2cache_remove(vd); | |
| 958 } | |
| 959 } | |
| 960 | |
| 961 if (oldvdevs) | |
| 962 kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); | |
| 963 | |
| 964 if (sav->sav_config == NULL) | |
| 965 goto out; | |
| 966 | |
| 967 sav->sav_vdevs = newvdevs; | |
| 968 sav->sav_count = (int)nl2cache; | |
| 969 | |
| 970 /* | |
| 971 * Recompute the stashed list of l2cache devices, with status | |
| 972 * information this time. | |
| 973 */ | |
| 974 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 975 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 976 | |
| 977 l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); | |
| 978 for (i = 0; i < sav->sav_count; i++) | |
| 979 l2cache[i] = vdev_config_generate(spa, | |
| 980 sav->sav_vdevs[i], B_TRUE, B_FALSE, B_TRUE); | |
| 981 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 982 ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); | |
| 983 out: | |
| 984 for (i = 0; i < sav->sav_count; i++) | |
| 985 nvlist_free(l2cache[i]); | |
| 986 if (sav->sav_count) | |
| 987 kmem_free(l2cache, sav->sav_count * sizeof (void *)); | |
| 2082 | 988 } |
| 989 | |
| 990 static int | |
| 991 load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) | |
| 992 { | |
| 993 dmu_buf_t *db; | |
| 994 char *packed = NULL; | |
| 995 size_t nvsize = 0; | |
| 996 int error; | |
| 997 *value = NULL; | |
| 998 | |
| 999 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 1000 nvsize = *(uint64_t *)db->db_data; | |
| 1001 dmu_buf_rele(db, FTAG); | |
| 1002 | |
| 1003 packed = kmem_alloc(nvsize, KM_SLEEP); | |
| 1004 error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed); | |
| 1005 if (error == 0) | |
| 1006 error = nvlist_unpack(packed, nvsize, value, 0); | |
| 1007 kmem_free(packed, nvsize); | |
| 1008 | |
| 1009 return (error); | |
| 1010 } | |
| 1011 | |
| 1012 /* | |
| 4451 | 1013 * Checks to see if the given vdev could not be opened, in which case we post a |
| 1014 * sysevent to notify the autoreplace code that the device has been removed. | |
| 1015 */ | |
| 1016 static void | |
| 1017 spa_check_removed(vdev_t *vd) | |
| 1018 { | |
| 1019 int c; | |
| 1020 | |
| 1021 for (c = 0; c < vd->vdev_children; c++) | |
| 1022 spa_check_removed(vd->vdev_child[c]); | |
| 1023 | |
| 1024 if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) { | |
| 1025 zfs_post_autoreplace(vd->vdev_spa, vd); | |
| 1026 spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); | |
| 1027 } | |
| 1028 } | |
| 1029 | |
| 1030 /* | |
| 7294 | 1031 * Check for missing log devices |
| 1032 */ | |
| 1033 int | |
| 1034 spa_check_logs(spa_t *spa) | |
| 1035 { | |
| 1036 switch (spa->spa_log_state) { | |
| 1037 case SPA_LOG_MISSING: | |
| 1038 /* need to recheck in case slog has been restored */ | |
| 1039 case SPA_LOG_UNKNOWN: | |
| 1040 if (dmu_objset_find(spa->spa_name, zil_check_log_chain, NULL, | |
| 1041 DS_FIND_CHILDREN)) { | |
| 1042 spa->spa_log_state = SPA_LOG_MISSING; | |
| 1043 return (1); | |
| 1044 } | |
| 1045 break; | |
| 1046 | |
| 1047 case SPA_LOG_CLEAR: | |
| 1048 (void) dmu_objset_find(spa->spa_name, zil_clear_log_chain, NULL, | |
| 1049 DS_FIND_CHILDREN); | |
| 1050 break; | |
| 1051 } | |
| 1052 spa->spa_log_state = SPA_LOG_GOOD; | |
| 1053 return (0); | |
| 1054 } | |
| 1055 | |
| 1056 /* | |
| 789 | 1057 * Load an existing storage pool, using the pool's builtin spa_config as a |
| 1544 | 1058 * source of configuration information. |
| 789 | 1059 */ |
| 1060 static int | |
| 1544 | 1061 spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
| 789 | 1062 { |
| 1063 int error = 0; | |
| 1064 nvlist_t *nvroot = NULL; | |
| 1065 vdev_t *rvd; | |
| 1066 uberblock_t *ub = &spa->spa_uberblock; | |
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1067 uint64_t config_cache_txg = spa->spa_config_txg; |
| 789 | 1068 uint64_t pool_guid; |
| 2082 | 1069 uint64_t version; |
| 4451 | 1070 uint64_t autoreplace = 0; |
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1071 int orig_mode = spa->spa_mode; |
| 7294 | 1072 char *ereport = FM_EREPORT_ZFS_POOL; |
| 789 | 1073 |
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1074 /* |
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1075 * If this is an untrusted config, access the pool in read-only mode. |
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1076 * This prevents things like resilvering recently removed devices. |
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1077 */ |
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1078 if (!mosconfig) |
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1079 spa->spa_mode = FREAD; |
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1080 |
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1081 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
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1082 |
| 1544 | 1083 spa->spa_load_state = state; |
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1084 |
| 789 | 1085 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
| 1733 | 1086 nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) { |
| 1544 | 1087 error = EINVAL; |
| 1088 goto out; | |
| 1089 } | |
| 789 | 1090 |
| 2082 | 1091 /* |
| 1092 * Versioning wasn't explicitly added to the label until later, so if | |
| 1093 * it's not present treat it as the initial version. | |
| 1094 */ | |
| 1095 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) | |
| 4577 | 1096 version = SPA_VERSION_INITIAL; |
| 2082 | 1097 |
| 1733 | 1098 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
| 1099 &spa->spa_config_txg); | |
| 1100 | |
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1101 if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
| 1544 | 1102 spa_guid_exists(pool_guid, 0)) { |
| 1103 error = EEXIST; | |
| 1104 goto out; | |
| 1105 } | |
| 789 | 1106 |
|
2174
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1107 spa->spa_load_guid = pool_guid; |
|
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1108 |
| 789 | 1109 /* |
| 2082 | 1110 * Parse the configuration into a vdev tree. We explicitly set the |
| 1111 * value that will be returned by spa_version() since parsing the | |
| 1112 * configuration requires knowing the version number. | |
| 789 | 1113 */ |
|
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
|
1114 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1115 spa->spa_ubsync.ub_version = version; |
| 1116 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
|
1117 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 1118 |
| 2082 | 1119 if (error != 0) |
| 1544 | 1120 goto out; |
| 789 | 1121 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1122 ASSERT(spa->spa_root_vdev == rvd); |
| 789 | 1123 ASSERT(spa_guid(spa) == pool_guid); |
| 1124 | |
| 1125 /* | |
| 1126 * Try to open all vdevs, loading each label in the process. | |
| 1127 */ | |
|
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
|
1128 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
|
1129 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
|
1130 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
|
1131 if (error != 0) |
| 1544 | 1132 goto out; |
| 789 | 1133 |
| 1134 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1135 * Validate the labels for all leaf vdevs. We need to grab the 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
|
1136 * lock because all label I/O is done with ZIO_FLAG_CONFIG_WRITER. |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1137 */ |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1138 if (mosconfig) { |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1139 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1140 error = vdev_validate(rvd); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1141 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
|
1142 if (error != 0) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1143 goto out; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1144 } |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1145 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1146 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
|
1147 error = ENXIO; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1148 goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1149 } |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1150 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1151 /* |
| 789 | 1152 * Find the best uberblock. |
| 1153 */ | |
|
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
|
1154 vdev_uberblock_load(NULL, rvd, ub); |
| 789 | 1155 |
| 1156 /* | |
| 1157 * If we weren't able to find a single valid uberblock, return failure. | |
| 1158 */ | |
| 1159 if (ub->ub_txg == 0) { | |
| 1760 | 1160 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1161 VDEV_AUX_CORRUPT_DATA); | |
| 1544 | 1162 error = ENXIO; |
| 1163 goto out; | |
| 1164 } | |
| 1165 | |
| 1166 /* | |
| 1167 * If the pool is newer than the code, we can't open it. | |
| 1168 */ | |
| 4577 | 1169 if (ub->ub_version > SPA_VERSION) { |
| 1760 | 1170 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1171 VDEV_AUX_VERSION_NEWER); | |
| 1544 | 1172 error = ENOTSUP; |
| 1173 goto out; | |
| 789 | 1174 } |
| 1175 | |
| 1176 /* | |
| 1177 * If the vdev guid sum doesn't match the uberblock, we have an | |
| 1178 * incomplete configuration. | |
| 1179 */ | |
| 1732 | 1180 if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) { |
| 1544 | 1181 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1182 VDEV_AUX_BAD_GUID_SUM); | |
| 1183 error = ENXIO; | |
| 1184 goto out; | |
| 789 | 1185 } |
| 1186 | |
| 1187 /* | |
| 1188 * Initialize internal SPA structures. | |
| 1189 */ | |
| 1190 spa->spa_state = POOL_STATE_ACTIVE; | |
| 1191 spa->spa_ubsync = spa->spa_uberblock; | |
| 1192 spa->spa_first_txg = spa_last_synced_txg(spa) + 1; | |
| 1544 | 1193 error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
| 1194 if (error) { | |
| 1195 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1196 VDEV_AUX_CORRUPT_DATA); | |
| 1197 goto out; | |
| 1198 } | |
| 789 | 1199 spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
| 1200 | |
| 1544 | 1201 if (zap_lookup(spa->spa_meta_objset, |
| 789 | 1202 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1203 sizeof (uint64_t), 1, &spa->spa_config_object) != 0) { |
| 1204 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1205 VDEV_AUX_CORRUPT_DATA); | |
| 1206 error = EIO; | |
| 1207 goto out; | |
| 1208 } | |
| 789 | 1209 |
| 1210 if (!mosconfig) { | |
| 2082 | 1211 nvlist_t *newconfig; |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1212 uint64_t hostid; |
| 2082 | 1213 |
| 1214 if (load_nvlist(spa, spa->spa_config_object, &newconfig) != 0) { | |
| 1544 | 1215 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1216 VDEV_AUX_CORRUPT_DATA); | |
| 1217 error = EIO; | |
| 1218 goto out; | |
| 1219 } | |
| 789 | 1220 |
|
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
|
1221 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
|
1222 ZPOOL_CONFIG_HOSTID, &hostid) == 0) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1223 char *hostname; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1224 unsigned long myhostid = 0; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1225 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1226 VERIFY(nvlist_lookup_string(newconfig, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1227 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1228 |
|
8662
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1229 #ifdef _KERNEL |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1230 myhostid = zone_get_hostid(NULL); |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1231 #else /* _KERNEL */ |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1232 /* |
|
18153249ee93
PSARC/2008/647 Configurable Hostids for Non-Global Zones
jv227347 <Jordan.Vaughan@Sun.com>
parents:
8525
diff
changeset
|
1233 * 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
|
1234 * 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
|
1235 */ |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1236 (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
|
1237 #endif /* _KERNEL */ |
|
4178
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1238 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
|
1239 hostid != myhostid) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1240 cmn_err(CE_WARN, "pool '%s' could not be " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1241 "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
|
1242 "another system (host: %s hostid: 0x%lx). " |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1243 "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
|
1244 spa_name(spa), hostname, |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1245 (unsigned long)hostid); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1246 error = EBADF; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1247 goto out; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1248 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1249 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1250 |
| 789 | 1251 spa_config_set(spa, newconfig); |
| 1252 spa_unload(spa); | |
| 1253 spa_deactivate(spa); | |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
1254 spa_activate(spa, orig_mode); |
| 789 | 1255 |
| 1544 | 1256 return (spa_load(spa, newconfig, state, B_TRUE)); |
| 1257 } | |
| 1258 | |
| 1259 if (zap_lookup(spa->spa_meta_objset, | |
| 1260 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, | |
| 1261 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) { | |
| 1262 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1263 VDEV_AUX_CORRUPT_DATA); | |
| 1264 error = EIO; | |
| 1265 goto out; | |
| 789 | 1266 } |
| 1267 | |
| 1544 | 1268 /* |
| 2082 | 1269 * Load the bit that tells us to use the new accounting function |
| 1270 * (raid-z deflation). If we have an older pool, this will not | |
| 1271 * be present. | |
| 1272 */ | |
| 1273 error = zap_lookup(spa->spa_meta_objset, | |
| 1274 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 1275 sizeof (uint64_t), 1, &spa->spa_deflate); | |
| 1276 if (error != 0 && error != ENOENT) { | |
| 1277 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1278 VDEV_AUX_CORRUPT_DATA); | |
| 1279 error = EIO; | |
| 1280 goto out; | |
| 1281 } | |
| 1282 | |
| 1283 /* | |
| 1544 | 1284 * Load the persistent error log. If we have an older pool, this will |
| 1285 * not be present. | |
| 1286 */ | |
| 1287 error = zap_lookup(spa->spa_meta_objset, | |
| 1288 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, | |
| 1289 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
|
1290 if (error != 0 && error != ENOENT) { |
| 1544 | 1291 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1292 VDEV_AUX_CORRUPT_DATA); | |
| 1293 error = EIO; | |
| 1294 goto out; | |
| 1295 } | |
| 1296 | |
| 1297 error = zap_lookup(spa->spa_meta_objset, | |
| 1298 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, | |
| 1299 sizeof (uint64_t), 1, &spa->spa_errlog_scrub); | |
| 1300 if (error != 0 && error != ENOENT) { | |
| 1301 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1302 VDEV_AUX_CORRUPT_DATA); | |
| 1303 error = EIO; | |
| 1304 goto out; | |
| 1305 } | |
| 789 | 1306 |
| 1307 /* | |
| 2926 | 1308 * Load the history object. If we have an older pool, this |
| 1309 * will not be present. | |
| 1310 */ | |
| 1311 error = zap_lookup(spa->spa_meta_objset, | |
| 1312 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, | |
| 1313 sizeof (uint64_t), 1, &spa->spa_history); | |
| 1314 if (error != 0 && error != ENOENT) { | |
| 1315 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1316 VDEV_AUX_CORRUPT_DATA); | |
| 1317 error = EIO; | |
| 1318 goto out; | |
| 1319 } | |
| 1320 | |
| 1321 /* | |
| 2082 | 1322 * Load any hot spares for this pool. |
| 1323 */ | |
| 1324 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 5450 | 1325 DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares.sav_object); |
| 2082 | 1326 if (error != 0 && error != ENOENT) { |
| 1327 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1328 VDEV_AUX_CORRUPT_DATA); | |
| 1329 error = EIO; | |
| 1330 goto out; | |
| 1331 } | |
| 1332 if (error == 0) { | |
| 4577 | 1333 ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
| 5450 | 1334 if (load_nvlist(spa, spa->spa_spares.sav_object, |
| 1335 &spa->spa_spares.sav_config) != 0) { | |
| 2082 | 1336 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1337 VDEV_AUX_CORRUPT_DATA); | |
| 1338 error = EIO; | |
| 1339 goto out; | |
| 1340 } | |
| 1341 | |
|
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
|
1342 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 1343 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
|
1344 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 1345 } |
| 1346 | |
| 5450 | 1347 /* |
| 1348 * Load any level 2 ARC devices for this pool. | |
| 1349 */ | |
| 1350 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 1351 DMU_POOL_L2CACHE, sizeof (uint64_t), 1, | |
| 1352 &spa->spa_l2cache.sav_object); | |
| 1353 if (error != 0 && error != ENOENT) { | |
| 1354 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1355 VDEV_AUX_CORRUPT_DATA); | |
| 1356 error = EIO; | |
| 1357 goto out; | |
| 1358 } | |
| 1359 if (error == 0) { | |
| 1360 ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); | |
| 1361 if (load_nvlist(spa, spa->spa_l2cache.sav_object, | |
| 1362 &spa->spa_l2cache.sav_config) != 0) { | |
| 1363 vdev_set_state(rvd, B_TRUE, | |
| 1364 VDEV_STATE_CANT_OPEN, | |
| 1365 VDEV_AUX_CORRUPT_DATA); | |
| 1366 error = EIO; | |
| 1367 goto out; | |
| 1368 } | |
| 1369 | |
|
7754
b80e4842ad54
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1370 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 1371 spa_load_l2cache(spa); |
|
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1372 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 1373 } |
| 1374 | |
| 7294 | 1375 if (spa_check_logs(spa)) { |
| 1376 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1377 VDEV_AUX_BAD_LOG); | |
| 1378 error = ENXIO; | |
| 1379 ereport = FM_EREPORT_ZFS_LOG_REPLAY; | |
| 1380 goto out; | |
| 1381 } | |
| 1382 | |
| 1383 | |
| 5094 | 1384 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
| 4543 | 1385 |
| 3912 | 1386 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
| 1387 DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); | |
| 1388 | |
| 1389 if (error && error != ENOENT) { | |
| 1390 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1391 VDEV_AUX_CORRUPT_DATA); | |
| 1392 error = EIO; | |
| 1393 goto out; | |
| 1394 } | |
| 1395 | |
| 1396 if (error == 0) { | |
| 1397 (void) zap_lookup(spa->spa_meta_objset, | |
| 1398 spa->spa_pool_props_object, | |
| 4451 | 1399 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1400 sizeof (uint64_t), 1, &spa->spa_bootfs); |
| 4451 | 1401 (void) zap_lookup(spa->spa_meta_objset, |
| 1402 spa->spa_pool_props_object, | |
| 1403 zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), | |
| 1404 sizeof (uint64_t), 1, &autoreplace); | |
| 4543 | 1405 (void) zap_lookup(spa->spa_meta_objset, |
| 1406 spa->spa_pool_props_object, | |
| 1407 zpool_prop_to_name(ZPOOL_PROP_DELEGATION), | |
| 1408 sizeof (uint64_t), 1, &spa->spa_delegation); | |
| 5329 | 1409 (void) zap_lookup(spa->spa_meta_objset, |
| 1410 spa->spa_pool_props_object, | |
| 1411 zpool_prop_to_name(ZPOOL_PROP_FAILUREMODE), | |
| 1412 sizeof (uint64_t), 1, &spa->spa_failmode); | |
| 3912 | 1413 } |
| 1414 | |
| 2082 | 1415 /* |
| 4451 | 1416 * If the 'autoreplace' property is set, then post a resource notifying |
| 1417 * the ZFS DE that it should not issue any faults for unopenable | |
| 1418 * devices. We also iterate over the vdevs, and post a sysevent for any | |
| 1419 * unopenable vdevs so that the normal autoreplace handler can take | |
| 1420 * over. | |
| 1421 */ | |
|
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1422 if (autoreplace && state != SPA_LOAD_TRYIMPORT) |
| 4451 | 1423 spa_check_removed(spa->spa_root_vdev); |
| 1424 | |
| 1425 /* | |
|
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1426 * Load the vdev state for all toplevel vdevs. |
| 789 | 1427 */ |
|
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1428 vdev_load(rvd); |
| 789 | 1429 |
| 1430 /* | |
| 1431 * Propagate the leaf DTLs we just loaded all the way up the tree. | |
| 1432 */ | |
|
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1433 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 1434 vdev_dtl_reassess(rvd, 0, 0, B_FALSE); |
|
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1435 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 1436 |
| 1437 /* | |
| 1438 * Check the state of the root vdev. If it can't be opened, it | |
| 1439 * indicates one or more toplevel vdevs are faulted. | |
| 1440 */ | |
| 1544 | 1441 if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
| 1442 error = ENXIO; | |
| 1443 goto out; | |
| 1444 } | |
| 789 | 1445 |
|
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1446 if (spa_writeable(spa)) { |
|
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1447 dmu_tx_t *tx; |
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1448 int need_update = B_FALSE; |
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1449 |
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1450 ASSERT(state != SPA_LOAD_TRYIMPORT); |
|
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1451 |
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1452 /* |
|
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1453 * Claim log blocks that haven't been committed yet. |
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1454 * This must all happen in a single txg. |
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1455 */ |
|
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1456 tx = dmu_tx_create_assigned(spa_get_dsl(spa), |
| 789 | 1457 spa_first_txg(spa)); |
|
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1458 (void) dmu_objset_find(spa_name(spa), |
| 2417 | 1459 zil_claim, tx, DS_FIND_CHILDREN); |
| 789 | 1460 dmu_tx_commit(tx); |
| 1461 | |
| 1462 spa->spa_sync_on = B_TRUE; | |
| 1463 txg_sync_start(spa->spa_dsl_pool); | |
| 1464 | |
| 1465 /* | |
| 1466 * Wait for all claims to sync. | |
| 1467 */ | |
| 1468 txg_wait_synced(spa->spa_dsl_pool, 0); | |
|
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1469 |
|
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1470 /* |
|
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1471 * If the config cache is stale, or we have uninitialized |
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1472 * metaslabs (see spa_vdev_add()), then update the config. |
|
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1473 */ |
|
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1474 if (config_cache_txg != spa->spa_config_txg || |
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1475 state == SPA_LOAD_IMPORT) |
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1476 need_update = B_TRUE; |
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1477 |
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1478 for (int c = 0; c < rvd->vdev_children; c++) |
|
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1479 if (rvd->vdev_child[c]->vdev_ms_array == 0) |
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1480 need_update = B_TRUE; |
|
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1481 |
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1482 /* |
|
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1483 * Update the config cache asychronously in case we're the |
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1484 * root pool, in which case the config cache isn't writable yet. |
|
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1485 */ |
|
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1486 if (need_update) |
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1487 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
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1488 |
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1489 /* |
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1490 * Check all DTLs to see if anything needs resilvering. |
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1491 */ |
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1492 if (vdev_resilver_needed(rvd, NULL, NULL)) |
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1493 spa_async_request(spa, SPA_ASYNC_RESILVER); |
| 789 | 1494 } |
| 1495 | |
| 1544 | 1496 error = 0; |
| 1497 out: | |
|
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1498 spa->spa_minref = refcount_count(&spa->spa_refcount); |
| 2082 | 1499 if (error && error != EBADF) |
| 7294 | 1500 zfs_ereport_post(ereport, spa, NULL, NULL, 0, 0); |
| 1544 | 1501 spa->spa_load_state = SPA_LOAD_NONE; |
| 1502 spa->spa_ena = 0; | |
| 1503 | |
| 1504 return (error); | |
| 789 | 1505 } |
| 1506 | |
| 1507 /* | |
| 1508 * Pool Open/Import | |
| 1509 * | |
| 1510 * The import case is identical to an open except that the configuration is sent | |
| 1511 * down from userland, instead of grabbed from the configuration cache. For the | |
| 1512 * case of an open, the pool configuration will exist in the | |
| 4451 | 1513 * POOL_STATE_UNINITIALIZED state. |
| 789 | 1514 * |
| 1515 * The stats information (gen/count/ustats) is used to gather vdev statistics at | |
| 1516 * the same time open the pool, without having to keep around the spa_t in some | |
| 1517 * ambiguous state. | |
| 1518 */ | |
| 1519 static int | |
| 1520 spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t **config) | |
| 1521 { | |
| 1522 spa_t *spa; | |
| 1523 int error; | |
| 1524 int locked = B_FALSE; | |
| 1525 | |
| 1526 *spapp = NULL; | |
| 1527 | |
| 1528 /* | |
| 1529 * As disgusting as this is, we need to support recursive calls to this | |
| 1530 * function because dsl_dir_open() is called during spa_load(), and ends | |
| 1531 * up calling spa_open() again. The real fix is to figure out how to | |
| 1532 * avoid dsl_dir_open() calling this in the first place. | |
| 1533 */ | |
| 1534 if (mutex_owner(&spa_namespace_lock) != curthread) { | |
| 1535 mutex_enter(&spa_namespace_lock); | |
| 1536 locked = B_TRUE; | |
| 1537 } | |
| 1538 | |
| 1539 if ((spa = spa_lookup(pool)) == NULL) { | |
| 1540 if (locked) | |
| 1541 mutex_exit(&spa_namespace_lock); | |
| 1542 return (ENOENT); | |
| 1543 } | |
| 1544 if (spa->spa_state == POOL_STATE_UNINITIALIZED) { | |
| 1545 | |
|
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1546 spa_activate(spa, spa_mode_global); |
| 789 | 1547 |
|
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1548 error = spa_load(spa, spa->spa_config, SPA_LOAD_OPEN, B_FALSE); |
| 789 | 1549 |
| 1550 if (error == EBADF) { | |
| 1551 /* | |
|
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1552 * If vdev_validate() returns failure (indicated by |
|
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1553 * EBADF), it indicates that one of the vdevs indicates |
|
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|
1554 * that the pool has been exported or destroyed. If |
|
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1555 * this is the case, the config cache is out of sync and |
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1556 * we should remove the pool from the namespace. |
| 789 | 1557 */ |
| 1558 spa_unload(spa); | |
| 1559 spa_deactivate(spa); | |
|
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1560 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 789 | 1561 spa_remove(spa); |
| 1562 if (locked) | |
| 1563 mutex_exit(&spa_namespace_lock); | |
| 1564 return (ENOENT); | |
| 1544 | 1565 } |
| 1566 | |
| 1567 if (error) { | |
| 789 | 1568 /* |
| 1569 * We can't open the pool, but we still have useful | |
| 1570 * information: the state of each vdev after the | |
| 1571 * attempted vdev_open(). Return this to the user. | |
| 1572 */ | |
|
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1573 if (config != NULL && spa->spa_root_vdev != NULL) |
| 789 | 1574 *config = spa_config_generate(spa, NULL, -1ULL, |
| 1575 B_TRUE); | |
| 1576 spa_unload(spa); | |
| 1577 spa_deactivate(spa); | |
| 1544 | 1578 spa->spa_last_open_failed = B_TRUE; |
| 789 | 1579 if (locked) |
| 1580 mutex_exit(&spa_namespace_lock); | |
| 1581 *spapp = NULL; | |
| 1582 return (error); | |
| 1544 | 1583 } else { |
| 1584 spa->spa_last_open_failed = B_FALSE; | |
| 789 | 1585 } |
| 1586 } | |
| 1587 | |
| 1588 spa_open_ref(spa, tag); | |
| 4451 | 1589 |
| 789 | 1590 if (locked) |
| 1591 mutex_exit(&spa_namespace_lock); | |
| 1592 | |
| 1593 *spapp = spa; | |
| 1594 | |
|
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1595 if (config != NULL) |
| 789 | 1596 *config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
| 1597 | |
| 1598 return (0); | |
| 1599 } | |
| 1600 | |
| 1601 int | |
| 1602 spa_open(const char *name, spa_t **spapp, void *tag) | |
| 1603 { | |
| 1604 return (spa_open_common(name, spapp, tag, NULL)); | |
| 1605 } | |
| 1606 | |
| 1544 | 1607 /* |
| 1608 * Lookup the given spa_t, incrementing the inject count in the process, | |
| 1609 * preventing it from being exported or destroyed. | |
| 1610 */ | |
| 1611 spa_t * | |
| 1612 spa_inject_addref(char *name) | |
| 1613 { | |
| 1614 spa_t *spa; | |
| 1615 | |
| 1616 mutex_enter(&spa_namespace_lock); | |
| 1617 if ((spa = spa_lookup(name)) == NULL) { | |
| 1618 mutex_exit(&spa_namespace_lock); | |
| 1619 return (NULL); | |
| 1620 } | |
| 1621 spa->spa_inject_ref++; | |
| 1622 mutex_exit(&spa_namespace_lock); | |
| 1623 | |
| 1624 return (spa); | |
| 1625 } | |
| 1626 | |
| 1627 void | |
| 1628 spa_inject_delref(spa_t *spa) | |
| 1629 { | |
| 1630 mutex_enter(&spa_namespace_lock); | |
| 1631 spa->spa_inject_ref--; | |
| 1632 mutex_exit(&spa_namespace_lock); | |
| 1633 } | |
| 1634 | |
| 5450 | 1635 /* |
| 1636 * Add spares device information to the nvlist. | |
| 1637 */ | |
| 2082 | 1638 static void |
| 1639 spa_add_spares(spa_t *spa, nvlist_t *config) | |
| 1640 { | |
| 1641 nvlist_t **spares; | |
| 1642 uint_t i, nspares; | |
| 1643 nvlist_t *nvroot; | |
| 1644 uint64_t guid; | |
| 1645 vdev_stat_t *vs; | |
| 1646 uint_t vsc; | |
|
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1647 uint64_t pool; |
| 2082 | 1648 |
| 5450 | 1649 if (spa->spa_spares.sav_count == 0) |
| 2082 | 1650 return; |
| 1651 | |
| 1652 VERIFY(nvlist_lookup_nvlist(config, | |
| 1653 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 5450 | 1654 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 1655 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 1656 if (nspares != 0) { | |
| 1657 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1658 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); | |
| 1659 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1660 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); | |
| 1661 | |
| 1662 /* | |
| 1663 * Go through and find any spares which have since been | |
| 1664 * repurposed as an active spare. If this is the case, update | |
| 1665 * their status appropriately. | |
| 1666 */ | |
| 1667 for (i = 0; i < nspares; i++) { | |
| 1668 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 1669 ZPOOL_CONFIG_GUID, &guid) == 0); | |
|
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1670 if (spa_spare_exists(guid, &pool, NULL) && |
|
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|
1671 pool != 0ULL) { |
| 2082 | 1672 VERIFY(nvlist_lookup_uint64_array( |
| 1673 spares[i], ZPOOL_CONFIG_STATS, | |
| 1674 (uint64_t **)&vs, &vsc) == 0); | |
| 1675 vs->vs_state = VDEV_STATE_CANT_OPEN; | |
| 1676 vs->vs_aux = VDEV_AUX_SPARED; | |
| 1677 } | |
| 1678 } | |
| 1679 } | |
| 1680 } | |
| 1681 | |
| 5450 | 1682 /* |
| 1683 * Add l2cache device information to the nvlist, including vdev stats. | |
| 1684 */ | |
| 1685 static void | |
| 1686 spa_add_l2cache(spa_t *spa, nvlist_t *config) | |
| 1687 { | |
| 1688 nvlist_t **l2cache; | |
| 1689 uint_t i, j, nl2cache; | |
| 1690 nvlist_t *nvroot; | |
| 1691 uint64_t guid; | |
| 1692 vdev_t *vd; | |
| 1693 vdev_stat_t *vs; | |
| 1694 uint_t vsc; | |
| 1695 | |
| 1696 if (spa->spa_l2cache.sav_count == 0) | |
| 1697 return; | |
| 1698 | |
|
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1699 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 5450 | 1700 |
| 1701 VERIFY(nvlist_lookup_nvlist(config, | |
| 1702 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 1703 VERIFY(nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, | |
| 1704 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1705 if (nl2cache != 0) { | |
| 1706 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1707 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 1708 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1709 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1710 | |
| 1711 /* | |
| 1712 * Update level 2 cache device stats. | |
| 1713 */ | |
| 1714 | |
| 1715 for (i = 0; i < nl2cache; i++) { | |
| 1716 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 1717 ZPOOL_CONFIG_GUID, &guid) == 0); | |
| 1718 | |
| 1719 vd = NULL; | |
| 1720 for (j = 0; j < spa->spa_l2cache.sav_count; j++) { | |
| 1721 if (guid == | |
| 1722 spa->spa_l2cache.sav_vdevs[j]->vdev_guid) { | |
| 1723 vd = spa->spa_l2cache.sav_vdevs[j]; | |
| 1724 break; | |
| 1725 } | |
| 1726 } | |
| 1727 ASSERT(vd != NULL); | |
| 1728 | |
| 1729 VERIFY(nvlist_lookup_uint64_array(l2cache[i], | |
| 1730 ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); | |
| 1731 vdev_get_stats(vd, vs); | |
| 1732 } | |
| 1733 } | |
| 1734 | |
|
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|
1735 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 5450 | 1736 } |
| 1737 | |
| 789 | 1738 int |
| 1544 | 1739 spa_get_stats(const char *name, nvlist_t **config, char *altroot, size_t buflen) |
| 789 | 1740 { |
| 1741 int error; | |
| 1742 spa_t *spa; | |
| 1743 | |
| 1744 *config = NULL; | |
| 1745 error = spa_open_common(name, &spa, FTAG, config); | |
| 1746 | |
| 2082 | 1747 if (spa && *config != NULL) { |
| 1544 | 1748 VERIFY(nvlist_add_uint64(*config, ZPOOL_CONFIG_ERRCOUNT, |
| 1749 spa_get_errlog_size(spa)) == 0); | |
| 1750 | |
|
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1751 if (spa_suspended(spa)) |
|
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1752 VERIFY(nvlist_add_uint64(*config, |
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1753 ZPOOL_CONFIG_SUSPENDED, spa->spa_failmode) == 0); |
|
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1754 |
| 2082 | 1755 spa_add_spares(spa, *config); |
| 5450 | 1756 spa_add_l2cache(spa, *config); |
| 2082 | 1757 } |
| 1758 | |
| 1544 | 1759 /* |
| 1760 * We want to get the alternate root even for faulted pools, so we cheat | |
| 1761 * and call spa_lookup() directly. | |
| 1762 */ | |
| 1763 if (altroot) { | |
| 1764 if (spa == NULL) { | |
| 1765 mutex_enter(&spa_namespace_lock); | |
| 1766 spa = spa_lookup(name); | |
| 1767 if (spa) | |
| 1768 spa_altroot(spa, altroot, buflen); | |
| 1769 else | |
| 1770 altroot[0] = '\0'; | |
| 1771 spa = NULL; | |
| 1772 mutex_exit(&spa_namespace_lock); | |
| 1773 } else { | |
| 1774 spa_altroot(spa, altroot, buflen); | |
| 1775 } | |
| 1776 } | |
| 1777 | |
| 789 | 1778 if (spa != NULL) |
| 1779 spa_close(spa, FTAG); | |
| 1780 | |
| 1781 return (error); | |
| 1782 } | |
| 1783 | |
| 1784 /* | |
| 5450 | 1785 * Validate that the auxiliary device array is well formed. We must have an |
| 1786 * array of nvlists, each which describes a valid leaf vdev. If this is an | |
| 1787 * import (mode is VDEV_ALLOC_SPARE), then we allow corrupted spares to be | |
| 1788 * specified, as long as they are well-formed. | |
| 2082 | 1789 */ |
| 1790 static int | |
| 5450 | 1791 spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode, |
| 1792 spa_aux_vdev_t *sav, const char *config, uint64_t version, | |
| 1793 vdev_labeltype_t label) | |
| 2082 | 1794 { |
| 5450 | 1795 nvlist_t **dev; |
| 1796 uint_t i, ndev; | |
| 2082 | 1797 vdev_t *vd; |
| 1798 int error; | |
| 1799 | |
|
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1800 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
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1801 |
| 2082 | 1802 /* |
| 5450 | 1803 * It's acceptable to have no devs specified. |
| 2082 | 1804 */ |
| 5450 | 1805 if (nvlist_lookup_nvlist_array(nvroot, config, &dev, &ndev) != 0) |
| 2082 | 1806 return (0); |
| 1807 | |
| 5450 | 1808 if (ndev == 0) |
| 2082 | 1809 return (EINVAL); |
| 1810 | |
| 1811 /* | |
| 5450 | 1812 * Make sure the pool is formatted with a version that supports this |
| 1813 * device type. | |
| 2082 | 1814 */ |
| 5450 | 1815 if (spa_version(spa) < version) |
| 2082 | 1816 return (ENOTSUP); |
| 1817 | |
|
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1818 /* |
| 5450 | 1819 * Set the pending device list so we correctly handle device in-use |
|
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1820 * checking. |
|
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|
1821 */ |
| 5450 | 1822 sav->sav_pending = dev; |
| 1823 sav->sav_npending = ndev; | |
| 1824 | |
| 1825 for (i = 0; i < ndev; i++) { | |
| 1826 if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0, | |
| 2082 | 1827 mode)) != 0) |
|
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1828 goto out; |
| 2082 | 1829 |
| 1830 if (!vd->vdev_ops->vdev_op_leaf) { | |
| 1831 vdev_free(vd); | |
|
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1832 error = EINVAL; |
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6393525 vdev_reopen() should verify that it's still the same device
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diff
changeset
|
1833 goto out; |
| 2082 | 1834 } |
| 1835 | |
| 5450 | 1836 /* |
|
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1837 * The L2ARC currently only supports disk devices in |
|
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1838 * kernel context. For user-level testing, we allow it. |
| 5450 | 1839 */ |
|
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1840 #ifdef _KERNEL |
| 5450 | 1841 if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) && |
| 1842 strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) { | |
| 1843 error = ENOTBLK; | |
| 1844 goto out; | |
| 1845 } | |
|
7754
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|
1846 #endif |
| 2082 | 1847 vd->vdev_top = vd; |
|
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eschrock
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|
1848 |
|
a2fa338530c1
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|
1849 if ((error = vdev_open(vd)) == 0 && |
| 5450 | 1850 (error = vdev_label_init(vd, crtxg, label)) == 0) { |
| 1851 VERIFY(nvlist_add_uint64(dev[i], ZPOOL_CONFIG_GUID, | |
|
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eschrock
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changeset
|
1852 vd->vdev_guid) == 0); |
| 2082 | 1853 } |
| 1854 | |
| 1855 vdev_free(vd); | |
|
3377
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|
1856 |
| 5450 | 1857 if (error && |
| 1858 (mode != VDEV_ALLOC_SPARE && mode != VDEV_ALLOC_L2CACHE)) | |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
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diff
changeset
|
1859 goto out; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
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3290
diff
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|
1860 else |
|
a2fa338530c1
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3290
diff
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|
1861 error = 0; |
| 2082 | 1862 } |
| 1863 | |
|
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|
1864 out: |
| 5450 | 1865 sav->sav_pending = NULL; |
| 1866 sav->sav_npending = 0; | |
|
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|
1867 return (error); |
| 2082 | 1868 } |
| 1869 | |
| 5450 | 1870 static int |
| 1871 spa_validate_aux(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) | |
| 1872 { | |
| 1873 int error; | |
| 1874 | |
|
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1875 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
|
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|
1876 |
| 5450 | 1877 if ((error = spa_validate_aux_devs(spa, nvroot, crtxg, mode, |
| 1878 &spa->spa_spares, ZPOOL_CONFIG_SPARES, SPA_VERSION_SPARES, | |
| 1879 VDEV_LABEL_SPARE)) != 0) { | |
| 1880 return (error); | |
| 1881 } | |
| 1882 | |
| 1883 return (spa_validate_aux_devs(spa, nvroot, crtxg, mode, | |
| 1884 &spa->spa_l2cache, ZPOOL_CONFIG_L2CACHE, SPA_VERSION_L2CACHE, | |
| 1885 VDEV_LABEL_L2CACHE)); | |
| 1886 } | |
| 1887 | |
| 1888 static void | |
| 1889 spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs, | |
| 1890 const char *config) | |
| 1891 { | |
| 1892 int i; | |
| 1893 | |
| 1894 if (sav->sav_config != NULL) { | |
| 1895 nvlist_t **olddevs; | |
| 1896 uint_t oldndevs; | |
| 1897 nvlist_t **newdevs; | |
| 1898 | |
| 1899 /* | |
| 1900 * Generate new dev list by concatentating with the | |
| 1901 * current dev list. | |
| 1902 */ | |
| 1903 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config, | |
| 1904 &olddevs, &oldndevs) == 0); | |
| 1905 | |
| 1906 newdevs = kmem_alloc(sizeof (void *) * | |
| 1907 (ndevs + oldndevs), KM_SLEEP); | |
| 1908 for (i = 0; i < oldndevs; i++) | |
| 1909 VERIFY(nvlist_dup(olddevs[i], &newdevs[i], | |
| 1910 KM_SLEEP) == 0); | |
| 1911 for (i = 0; i < ndevs; i++) | |
| 1912 VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs], | |
| 1913 KM_SLEEP) == 0); | |
| 1914 | |
| 1915 VERIFY(nvlist_remove(sav->sav_config, config, | |
| 1916 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 1917 | |
| 1918 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 1919 config, newdevs, ndevs + oldndevs) == 0); | |
| 1920 for (i = 0; i < oldndevs + ndevs; i++) | |
| 1921 nvlist_free(newdevs[i]); | |
| 1922 kmem_free(newdevs, (oldndevs + ndevs) * sizeof (void *)); | |
| 1923 } else { | |
| 1924 /* | |
| 1925 * Generate a new dev list. | |
| 1926 */ | |
| 1927 VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME, | |
| 1928 KM_SLEEP) == 0); | |
| 1929 VERIFY(nvlist_add_nvlist_array(sav->sav_config, config, | |
| 1930 devs, ndevs) == 0); | |
| 1931 } | |
| 1932 } | |
| 1933 | |
| 1934 /* | |
| 1935 * Stop and drop level 2 ARC devices | |
| 1936 */ | |
| 1937 void | |
| 1938 spa_l2cache_drop(spa_t *spa) | |
| 1939 { | |
| 1940 vdev_t *vd; | |
| 1941 int i; | |
| 1942 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 1943 | |
| 1944 for (i = 0; i < sav->sav_count; i++) { | |
| 1945 uint64_t pool; | |
| 1946 | |
| 1947 vd = sav->sav_vdevs[i]; | |
| 1948 ASSERT(vd != NULL); | |
| 1949 | |
|
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1950 if (spa_l2cache_exists(vd->vdev_guid, &pool) && |
|
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1951 pool != 0ULL && l2arc_vdev_present(vd)) |
| 5450 | 1952 l2arc_remove_vdev(vd); |
| 1953 if (vd->vdev_isl2cache) | |
| 1954 spa_l2cache_remove(vd); | |
| 1955 vdev_clear_stats(vd); | |
| 1956 (void) vdev_close(vd); | |
| 1957 } | |
| 1958 } | |
| 1959 | |
| 2082 | 1960 /* |
| 789 | 1961 * Pool Creation |
| 1962 */ | |
| 1963 int | |
| 5094 | 1964 spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
|
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|
1965 const char *history_str, nvlist_t *zplprops) |
| 789 | 1966 { |
| 1967 spa_t *spa; | |
| 5094 | 1968 char *altroot = NULL; |
|
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1969 vdev_t *rvd; |
| 789 | 1970 dsl_pool_t *dp; |
| 1971 dmu_tx_t *tx; | |
| 2082 | 1972 int c, error = 0; |
| 789 | 1973 uint64_t txg = TXG_INITIAL; |
| 5450 | 1974 nvlist_t **spares, **l2cache; |
| 1975 uint_t nspares, nl2cache; | |
| 5094 | 1976 uint64_t version; |
| 789 | 1977 |
| 1978 /* | |
| 1979 * If this pool already exists, return failure. | |
| 1980 */ | |
| 1981 mutex_enter(&spa_namespace_lock); | |
| 1982 if (spa_lookup(pool) != NULL) { | |
| 1983 mutex_exit(&spa_namespace_lock); | |
| 1984 return (EEXIST); | |
| 1985 } | |
| 1986 | |
| 1987 /* | |
| 1988 * Allocate a new spa_t structure. | |
| 1989 */ | |
| 5094 | 1990 (void) nvlist_lookup_string(props, |
| 1991 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); | |
|
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1992 spa = spa_add(pool, altroot); |
|
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1993 spa_activate(spa, spa_mode_global); |
| 789 | 1994 |
| 1995 spa->spa_uberblock.ub_txg = txg - 1; | |
| 5094 | 1996 |
| 1997 if (props && (error = spa_prop_validate(spa, props))) { | |
| 1998 spa_unload(spa); | |
| 1999 spa_deactivate(spa); | |
| 2000 spa_remove(spa); | |
|
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|
2001 mutex_exit(&spa_namespace_lock); |
| 5094 | 2002 return (error); |
| 2003 } | |
| 2004 | |
| 2005 if (nvlist_lookup_uint64(props, zpool_prop_to_name(ZPOOL_PROP_VERSION), | |
| 2006 &version) != 0) | |
| 2007 version = SPA_VERSION; | |
| 2008 ASSERT(version <= SPA_VERSION); | |
| 2009 spa->spa_uberblock.ub_version = version; | |
| 789 | 2010 spa->spa_ubsync = spa->spa_uberblock; |
| 2011 | |
|
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|
2012 /* |
|
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2013 * Create the root vdev. |
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2014 */ |
|
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2015 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
|
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|
2016 |
| 2082 | 2017 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); |
| 2018 | |
| 2019 ASSERT(error != 0 || rvd != NULL); | |
| 2020 ASSERT(error != 0 || spa->spa_root_vdev == rvd); | |
| 2021 | |
|
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6575965 panic/thread=2a1016b5ca0: BAD TRAP: type=9 rp=1858500 addr=0 mmu_fsr=0, really, truly out of space
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diff
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|
2022 if (error == 0 && !zfs_allocatable_devs(nvroot)) |
|
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|
2023 error = EINVAL; |
| 2082 | 2024 |
| 2025 if (error == 0 && | |
| 2026 (error = vdev_create(rvd, txg, B_FALSE)) == 0 && | |
| 5450 | 2027 (error = spa_validate_aux(spa, nvroot, txg, |
| 2082 | 2028 VDEV_ALLOC_ADD)) == 0) { |
| 2029 for (c = 0; c < rvd->vdev_children; c++) | |
| 2030 vdev_init(rvd->vdev_child[c], txg); | |
| 2031 vdev_config_dirty(rvd); | |
|
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2032 } |
|
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|
2033 |
|
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|
2034 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 2035 |
| 2082 | 2036 if (error != 0) { |
| 789 | 2037 spa_unload(spa); |
| 2038 spa_deactivate(spa); | |
| 2039 spa_remove(spa); | |
| 2040 mutex_exit(&spa_namespace_lock); | |
| 2041 return (error); | |
| 2042 } | |
| 2043 | |
| 2082 | 2044 /* |
| 2045 * Get the list of spares, if specified. | |
| 2046 */ | |
| 2047 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 2048 &spares, &nspares) == 0) { | |
| 5450 | 2049 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, |
| 2082 | 2050 KM_SLEEP) == 0); |
| 5450 | 2051 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 2052 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
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|
2053 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 2054 spa_load_spares(spa); |
|
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2055 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2056 spa->spa_spares.sav_sync = B_TRUE; |
| 2057 } | |
| 2058 | |
| 2059 /* | |
| 2060 * Get the list of level 2 cache devices, if specified. | |
| 2061 */ | |
| 2062 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 2063 &l2cache, &nl2cache) == 0) { | |
| 2064 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 2065 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2066 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 2067 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
|
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2068 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 2069 spa_load_l2cache(spa); |
|
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2070 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2071 spa->spa_l2cache.sav_sync = B_TRUE; |
| 2082 | 2072 } |
| 2073 | |
|
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|
2074 spa->spa_dsl_pool = dp = dsl_pool_create(spa, zplprops, txg); |
| 789 | 2075 spa->spa_meta_objset = dp->dp_meta_objset; |
| 2076 | |
| 2077 tx = dmu_tx_create_assigned(dp, txg); | |
| 2078 | |
| 2079 /* | |
| 2080 * Create the pool config object. | |
| 2081 */ | |
| 2082 spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, | |
|
7497
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|
2083 DMU_OT_PACKED_NVLIST, SPA_CONFIG_BLOCKSIZE, |
| 789 | 2084 DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); |
| 2085 | |
| 1544 | 2086 if (zap_add(spa->spa_meta_objset, |
| 789 | 2087 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 2088 sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { |
| 2089 cmn_err(CE_PANIC, "failed to add pool config"); | |
| 2090 } | |
| 789 | 2091 |
| 5094 | 2092 /* Newly created pools with the right version are always deflated. */ |
| 2093 if (version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2094 spa->spa_deflate = TRUE; | |
| 2095 if (zap_add(spa->spa_meta_objset, | |
| 2096 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 2097 sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { | |
| 2098 cmn_err(CE_PANIC, "failed to add deflate"); | |
| 2099 } | |
| 2082 | 2100 } |
| 2101 | |
| 789 | 2102 /* |
| 2103 * Create the deferred-free bplist object. Turn off compression | |
| 2104 * because sync-to-convergence takes longer if the blocksize | |
| 2105 * keeps changing. | |
| 2106 */ | |
| 2107 spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, | |
| 2108 1 << 14, tx); | |
| 2109 dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, | |
| 2110 ZIO_COMPRESS_OFF, tx); | |
| 2111 | |
| 1544 | 2112 if (zap_add(spa->spa_meta_objset, |
| 789 | 2113 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
| 1544 | 2114 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) { |
| 2115 cmn_err(CE_PANIC, "failed to add bplist"); | |
| 2116 } | |
| 789 | 2117 |
| 2926 | 2118 /* |
| 2119 * Create the pool's history object. | |
| 2120 */ | |
| 5094 | 2121 if (version >= SPA_VERSION_ZPOOL_HISTORY) |
| 2122 spa_history_create_obj(spa, tx); | |
| 2123 | |
| 2124 /* | |
| 2125 * Set pool properties. | |
| 2126 */ | |
| 2127 spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); | |
| 2128 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); | |
| 5329 | 2129 spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); |
|
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|
2130 if (props != NULL) { |
|
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diff
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|
2131 spa_configfile_set(spa, props, B_FALSE); |
| 5094 | 2132 spa_sync_props(spa, props, CRED(), tx); |
|
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|
2133 } |
| 2926 | 2134 |
| 789 | 2135 dmu_tx_commit(tx); |
| 2136 | |
| 2137 spa->spa_sync_on = B_TRUE; | |
| 2138 txg_sync_start(spa->spa_dsl_pool); | |
| 2139 | |
| 2140 /* | |
| 2141 * We explicitly wait for the first transaction to complete so that our | |
| 2142 * bean counters are appropriately updated. | |
| 2143 */ | |
| 2144 txg_wait_synced(spa->spa_dsl_pool, txg); | |
| 2145 | |
|
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|
2146 spa_config_sync(spa, B_FALSE, B_TRUE); |
| 789 | 2147 |
| 5094 | 2148 if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL) |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
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4627
diff
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|
2149 (void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE); |
|
e8d212dda064
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diff
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|
2150 |
|
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5c308a17eb7c
6795440 Assertion failure in spa_close()
George Wilson <George.Wilson@Sun.COM>
parents:
8662
diff
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|
2151 spa->spa_minref = refcount_count(&spa->spa_refcount); |
|
5c308a17eb7c
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diff
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|
2152 |
| 789 | 2153 mutex_exit(&spa_namespace_lock); |
| 2154 | |
| 2155 return (0); | |
| 2156 } | |
| 2157 | |
| 2158 /* | |
| 2159 * Import the given pool into the system. We set up the necessary spa_t and | |
| 2160 * then call spa_load() to do the dirty work. | |
| 2161 */ | |
| 6423 | 2162 static int |
| 2163 spa_import_common(const char *pool, nvlist_t *config, nvlist_t *props, | |
|
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|
2164 boolean_t isroot, boolean_t allowfaulted) |
| 789 | 2165 { |
| 2166 spa_t *spa; | |
| 5094 | 2167 char *altroot = NULL; |
|
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|
2168 int error, loaderr; |
| 2082 | 2169 nvlist_t *nvroot; |
| 5450 | 2170 nvlist_t **spares, **l2cache; |
| 2171 uint_t nspares, nl2cache; | |
| 789 | 2172 |
| 2173 /* | |
| 2174 * If a pool with this name exists, return failure. | |
| 2175 */ | |
| 2176 mutex_enter(&spa_namespace_lock); | |
|
7897
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|
2177 if ((spa = spa_lookup(pool)) != NULL) { |
|
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2178 if (isroot) { |
|
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2179 /* |
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2180 * Remove the existing root pool from the |
|
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|
2181 * namespace so that we can replace it with |
|
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|
2182 * the correct config we just read in. |
|
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2183 */ |
|
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2184 ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); |
|
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2185 spa_remove(spa); |
|
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2186 } else { |
|
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2187 mutex_exit(&spa_namespace_lock); |
|
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2188 return (EEXIST); |
|
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|
2189 } |
| 789 | 2190 } |
| 2191 | |
| 2192 /* | |
|
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2193 * Create and initialize the spa structure. |
| 789 | 2194 */ |
| 5094 | 2195 (void) nvlist_lookup_string(props, |
| 2196 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); | |
|
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2197 spa = spa_add(pool, altroot); |
|
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|
2198 spa_activate(spa, spa_mode_global); |
| 789 | 2199 |
|
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2200 if (allowfaulted) |
|
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2201 spa->spa_import_faulted = B_TRUE; |
|
6673
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2202 spa->spa_is_root = isroot; |
|
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2203 |
| 789 | 2204 /* |
|
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|
2205 * Pass off the heavy lifting to spa_load(). |
|
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|
2206 * Pass TRUE for mosconfig (unless this is a root pool) because |
|
361307ae060d
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2207 * the user-supplied config is actually the one to trust when |
|
361307ae060d
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2208 * doing an import. |
|
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|
2209 */ |
|
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|
2210 loaderr = error = spa_load(spa, config, SPA_LOAD_IMPORT, !isroot); |
| 789 | 2211 |
|
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|
2212 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 2213 /* |
| 2214 * Toss any existing sparelist, as it doesn't have any validity anymore, | |
| 2215 * and conflicts with spa_has_spare(). | |
| 2216 */ | |
| 6423 | 2217 if (!isroot && spa->spa_spares.sav_config) { |
| 5450 | 2218 nvlist_free(spa->spa_spares.sav_config); |
| 2219 spa->spa_spares.sav_config = NULL; | |
| 2082 | 2220 spa_load_spares(spa); |
| 2221 } | |
| 6423 | 2222 if (!isroot && spa->spa_l2cache.sav_config) { |
| 5450 | 2223 nvlist_free(spa->spa_l2cache.sav_config); |
| 2224 spa->spa_l2cache.sav_config = NULL; | |
| 2225 spa_load_l2cache(spa); | |
| 2226 } | |
| 2082 | 2227 |
| 2228 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
| 2229 &nvroot) == 0); | |
| 5450 | 2230 if (error == 0) |
| 2231 error = spa_validate_aux(spa, nvroot, -1ULL, VDEV_ALLOC_SPARE); | |
| 2232 if (error == 0) | |
| 2233 error = spa_validate_aux(spa, nvroot, -1ULL, | |
| 2234 VDEV_ALLOC_L2CACHE); | |
|
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2235 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 2236 |
|
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2237 if (props != NULL) |
|
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2238 spa_configfile_set(spa, props, B_FALSE); |
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2239 |
|
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2240 if (error != 0 || (props && spa_writeable(spa) && |
|
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2241 (error = spa_prop_set(spa, props)))) { |
|
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2242 if (loaderr != 0 && loaderr != EINVAL && allowfaulted) { |
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2243 /* |
|
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2244 * If we failed to load the pool, but 'allowfaulted' is |
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2245 * set, then manually set the config as if the config |
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2246 * passed in was specified in the cache file. |
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2247 */ |
|
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2248 error = 0; |
|
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2249 spa->spa_import_faulted = B_FALSE; |
|
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2250 if (spa->spa_config == NULL) |
|
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2251 spa->spa_config = spa_config_generate(spa, |
|
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2252 NULL, -1ULL, B_TRUE); |
|
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2253 spa_unload(spa); |
|
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2254 spa_deactivate(spa); |
|
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|
2255 spa_config_sync(spa, B_FALSE, B_TRUE); |
|
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2256 } else { |
|
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|
2257 spa_unload(spa); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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diff
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|
2258 spa_deactivate(spa); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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diff
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|
2259 spa_remove(spa); |
|
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|
2260 } |
| 789 | 2261 mutex_exit(&spa_namespace_lock); |
| 2262 return (error); | |
| 2263 } | |
| 2264 | |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2265 /* |
| 5450 | 2266 * Override any spares and level 2 cache devices as specified by |
| 2267 * the user, as these may have correct device names/devids, etc. | |
| 2082 | 2268 */ |
| 2269 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 2270 &spares, &nspares) == 0) { | |
| 5450 | 2271 if (spa->spa_spares.sav_config) |
| 2272 VERIFY(nvlist_remove(spa->spa_spares.sav_config, | |
| 2082 | 2273 ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
| 2274 else | |
| 5450 | 2275 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, |
| 2082 | 2276 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5450 | 2277 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 2278 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
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
|
2279 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 2082 | 2280 spa_load_spares(spa); |
|
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
|
2281 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2282 spa->spa_spares.sav_sync = B_TRUE; |
| 2283 } | |
| 2284 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 2285 &l2cache, &nl2cache) == 0) { | |
| 2286 if (spa->spa_l2cache.sav_config) | |
| 2287 VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, | |
| 2288 ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 2289 else | |
| 2290 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 2291 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2292 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 2293 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
|
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
|
2294 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 5450 | 2295 spa_load_l2cache(spa); |
|
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
|
2296 spa_config_exit(spa, SCL_ALL, FTAG); |
| 5450 | 2297 spa->spa_l2cache.sav_sync = B_TRUE; |
| 2082 | 2298 } |
| 2299 | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
2300 if (spa_writeable(spa)) { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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diff
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|
2301 /* |
|
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diff
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|
2302 * Update the config cache to include the newly-imported pool. |
|
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parents:
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diff
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|
2303 */ |
| 6423 | 2304 spa_config_update_common(spa, SPA_CONFIG_UPDATE_POOL, isroot); |
|
6643
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6625086 changing cachefile doesn't remove old cache on last user
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diff
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|
2305 } |
|
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|
2306 |
|
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|
2307 spa->spa_import_faulted = B_FALSE; |
| 4451 | 2308 mutex_exit(&spa_namespace_lock); |
| 2309 | |
| 789 | 2310 return (0); |
| 2311 } | |
| 2312 | |
| 6423 | 2313 #ifdef _KERNEL |
| 2314 /* | |
| 2315 * Build a "root" vdev for a top level vdev read in from a rootpool | |
| 2316 * device label. | |
| 2317 */ | |
| 2318 static void | |
| 2319 spa_build_rootpool_config(nvlist_t *config) | |
| 2320 { | |
| 2321 nvlist_t *nvtop, *nvroot; | |
| 2322 uint64_t pgid; | |
| 2323 | |
| 2324 /* | |
| 2325 * Add this top-level vdev to the child array. | |
| 2326 */ | |
| 2327 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvtop) | |
| 2328 == 0); | |
| 2329 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pgid) | |
| 2330 == 0); | |
| 2331 | |
| 2332 /* | |
| 2333 * Put this pool's top-level vdevs into a root vdev. | |
| 2334 */ | |
| 2335 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2336 VERIFY(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) | |
| 2337 == 0); | |
| 2338 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) == 0); | |
| 2339 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_GUID, pgid) == 0); | |
| 2340 VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
| 2341 &nvtop, 1) == 0); | |
| 2342 | |
| 2343 /* | |
| 2344 * Replace the existing vdev_tree with the new root vdev in | |
| 2345 * this pool's configuration (remove the old, add the new). | |
| 2346 */ | |
| 2347 VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0); | |
| 2348 nvlist_free(nvroot); | |
| 2349 } | |
| 2350 | |
| 2351 /* | |
| 2352 * Get the root pool information from the root disk, then import the root pool | |
| 2353 * during the system boot up time. | |
| 2354 */ | |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2355 extern int vdev_disk_read_rootlabel(char *, char *, nvlist_t **); |
|
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diff
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|
2356 |
|
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|
2357 int |
|
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diff
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|
2358 spa_check_rootconf(char *devpath, char *devid, nvlist_t **bestconf, |
| 6423 | 2359 uint64_t *besttxg) |
| 2360 { | |
| 2361 nvlist_t *config; | |
| 2362 uint64_t txg; | |
|
7539
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6724326 better "can't mountroot" message
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parents:
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diff
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|
2363 int error; |
|
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
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|
2364 |
|
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6724326 better "can't mountroot" message
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diff
changeset
|
2365 if (error = vdev_disk_read_rootlabel(devpath, devid, &config)) |
|
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2366 return (error); |
| 6423 | 2367 |
| 2368 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &txg) == 0); | |
| 2369 | |
|
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diff
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|
2370 if (bestconf != NULL) |
| 6423 | 2371 *bestconf = config; |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
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|
2372 else |
|
e3f4b4b9f982
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diff
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|
2373 nvlist_free(config); |
|
7147
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|
2374 *besttxg = txg; |
|
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|
2375 return (0); |
| 6423 | 2376 } |
| 2377 | |
| 2378 boolean_t | |
| 2379 spa_rootdev_validate(nvlist_t *nv) | |
| 2380 { | |
| 2381 uint64_t ival; | |
| 2382 | |
| 2383 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || | |
| 2384 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || | |
| 2385 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) | |
| 2386 return (B_FALSE); | |
| 2387 | |
| 2388 return (B_TRUE); | |
| 2389 } | |
| 2390 | |
|
7147
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parents:
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diff
changeset
|
2391 |
|
1e1d75c88283
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diff
changeset
|
2392 /* |
|
1e1d75c88283
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diff
changeset
|
2393 * Given the boot device's physical path or devid, check if the device |
|
1e1d75c88283
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diff
changeset
|
2394 * is in a valid state. If so, return the configuration from the vdev |
|
1e1d75c88283
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parents:
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diff
changeset
|
2395 * label. |
|
1e1d75c88283
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diff
changeset
|
2396 */ |
|
1e1d75c88283
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parents:
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diff
changeset
|
2397 int |
|
1e1d75c88283
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parents:
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diff
changeset
|
2398 spa_get_rootconf(char *devpath, char *devid, nvlist_t **bestconf) |
|
1e1d75c88283
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parents:
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diff
changeset
|
2399 { |
|
1e1d75c88283
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diff
changeset
|
2400 nvlist_t *conf = NULL; |
|
1e1d75c88283
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diff
changeset
|
2401 uint64_t txg = 0; |
|
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diff
changeset
|
2402 nvlist_t *nvtop, **child; |
|
1e1d75c88283
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parents:
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diff
changeset
|
2403 char *type; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2404 char *bootpath = NULL; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
changeset
|
2405 uint_t children, c; |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2406 char *tmp; |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2407 int error; |
|
7147
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6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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diff
changeset
|
2408 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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diff
changeset
|
2409 if (devpath && ((tmp = strchr(devpath, ' ')) != NULL)) |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2410 *tmp = '\0'; |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2411 if (error = spa_check_rootconf(devpath, devid, &conf, &txg)) { |
|
7147
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parents:
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diff
changeset
|
2412 cmn_err(CE_NOTE, "error reading device label"); |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
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7538
diff
changeset
|
2413 return (error); |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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diff
changeset
|
2414 } |
|
1e1d75c88283
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diff
changeset
|
2415 if (txg == 0) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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diff
changeset
|
2416 cmn_err(CE_NOTE, "this device is detached"); |
|
1e1d75c88283
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diff
changeset
|
2417 nvlist_free(conf); |
|
1e1d75c88283
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diff
changeset
|
2418 return (EINVAL); |
|
1e1d75c88283
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7046
diff
changeset
|
2419 } |
|
1e1d75c88283
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changeset
|
2420 |
|
1e1d75c88283
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diff
changeset
|
2421 VERIFY(nvlist_lookup_nvlist(conf, ZPOOL_CONFIG_VDEV_TREE, |
|
1e1d75c88283
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parents:
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diff
changeset
|
2422 &nvtop) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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diff
changeset
|
2423 VERIFY(nvlist_lookup_string(nvtop, ZPOOL_CONFIG_TYPE, &type) == 0); |
|
1e1d75c88283
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diff
changeset
|
2424 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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diff
changeset
|
2425 if (strcmp(type, VDEV_TYPE_DISK) == 0) { |
|
1e1d75c88283
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parents:
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diff
changeset
|
2426 if (spa_rootdev_validate(nvtop)) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2427 goto out; |
|
1e1d75c88283
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taylor
parents:
7046
diff
changeset
|
2428 } else { |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2429 nvlist_free(conf); |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2430 return (EINVAL); |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2431 } |
|
1e1d75c88283
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diff
changeset
|
2432 } |
|
1e1d75c88283
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changeset
|
2433 |
|
1e1d75c88283
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diff
changeset
|
2434 ASSERT(strcmp(type, VDEV_TYPE_MIRROR) == 0); |
|
1e1d75c88283
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changeset
|
2435 |
|
1e1d75c88283
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diff
changeset
|
2436 VERIFY(nvlist_lookup_nvlist_array(nvtop, ZPOOL_CONFIG_CHILDREN, |
|
1e1d75c88283
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diff
changeset
|
2437 &child, &children) == 0); |
|
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changeset
|
2438 |
|
1e1d75c88283
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changeset
|
2439 /* |
|
1e1d75c88283
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changeset
|
2440 * Go thru vdevs in the mirror to see if the given device |
|
1e1d75c88283
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diff
changeset
|
2441 * has the most recent txg. Only the device with the most |
|
1e1d75c88283
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parents:
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diff
changeset
|
2442 * recent txg has valid information and should be booted. |
|
1e1d75c88283
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diff
changeset
|
2443 */ |
|
1e1d75c88283
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diff
changeset
|
2444 for (c = 0; c < children; c++) { |
|
1e1d75c88283
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diff
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|
2445 char *cdevid, *cpath; |
|
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diff
changeset
|
2446 uint64_t tmptxg; |
|
1e1d75c88283
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diff
changeset
|
2447 |
|
8242
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6770866 GRUB/ZFS should require physical path or devid, but not both
Lin Ling <Lin.Ling@Sun.COM>
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8241
diff
changeset
|
2448 cpath = NULL; |
|
e46e4b2f0a03
6770866 GRUB/ZFS should require physical path or devid, but not both
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8241
diff
changeset
|
2449 cdevid = NULL; |
|
7147
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diff
changeset
|
2450 if (nvlist_lookup_string(child[c], ZPOOL_CONFIG_PHYS_PATH, |
|
8242
e46e4b2f0a03
6770866 GRUB/ZFS should require physical path or devid, but not both
Lin Ling <Lin.Ling@Sun.COM>
parents:
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diff
changeset
|
2451 &cpath) != 0 && nvlist_lookup_string(child[c], |
|
e46e4b2f0a03
6770866 GRUB/ZFS should require physical path or devid, but not both
Lin Ling <Lin.Ling@Sun.COM>
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diff
changeset
|
2452 ZPOOL_CONFIG_DEVID, &cdevid) != 0) |
|
7147
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diff
changeset
|
2453 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
|
2454 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
|
2455 &tmptxg) == 0) && (tmptxg > txg)) { |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
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|
2456 txg = tmptxg; |
|
1e1d75c88283
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parents:
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diff
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|
2457 VERIFY(nvlist_lookup_string(child[c], |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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7046
diff
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|
2458 ZPOOL_CONFIG_PATH, &bootpath) == 0); |
|
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parents:
7046
diff
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|
2459 } |
|
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|
2460 } |
|
1e1d75c88283
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parents:
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diff
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|
2461 |
|
1e1d75c88283
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|
2462 /* Does the best device match the one we've booted from? */ |
|
1e1d75c88283
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parents:
7046
diff
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|
2463 if (bootpath) { |
|
1e1d75c88283
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parents:
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diff
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|
2464 cmn_err(CE_NOTE, "try booting from '%s'", bootpath); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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diff
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|
2465 return (EINVAL); |
|
1e1d75c88283
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diff
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|
2466 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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|
2467 out: |
|
1e1d75c88283
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7046
diff
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|
2468 *bestconf = conf; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
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diff
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|
2469 return (0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
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parents:
7046
diff
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|
2470 } |
|
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diff
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|
2471 |
| 6423 | 2472 /* |
| 2473 * Import a root pool. | |
| 2474 * | |
|
7147
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|
2475 * For x86. devpath_list will consist of devid and/or physpath name of |
|
1e1d75c88283
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parents:
7046
diff
changeset
|
2476 * 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:
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diff
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|
2477 * The GRUB "findroot" command will return the vdev we should boot. |
| 6423 | 2478 * |
| 2479 * For Sparc, devpath_list consists the physpath name of the booting device | |
| 2480 * no matter the rootpool is a single device pool or a mirrored pool. | |
| 2481 * e.g. | |
| 2482 * "/pci@1f,0/ide@d/disk@0,0:a" | |
| 2483 */ | |
| 2484 int | |
|
7147
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parents:
7046
diff
changeset
|
2485 spa_import_rootpool(char *devpath, char *devid) |
| 6423 | 2486 { |
| 2487 nvlist_t *conf = NULL; | |
| 2488 char *pname; | |
| 2489 int error; | |
| 2490 | |
| 2491 /* | |
| 2492 * Get the vdev pathname and configuation from the most | |
| 2493 * recently updated vdev (highest txg). | |
| 2494 */ | |
|
7147
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6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2495 if (error = spa_get_rootconf(devpath, devid, &conf)) |
| 6423 | 2496 goto msg_out; |
| 2497 | |
| 2498 /* | |
| 2499 * Add type "root" vdev to the config. | |
| 2500 */ | |
| 2501 spa_build_rootpool_config(conf); | |
| 2502 | |
| 2503 VERIFY(nvlist_lookup_string(conf, ZPOOL_CONFIG_POOL_NAME, &pname) == 0); | |
| 2504 | |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2505 /* |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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6643
diff
changeset
|
2506 * We specify 'allowfaulted' for this to be treated like spa_open() |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2507 * instead of spa_import(). This prevents us from marking vdevs as |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
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|
2508 * persistently unavailable, and generates FMA ereports as if it were a |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2509 * pool open, not import. |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2510 */ |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2511 error = spa_import_common(pname, conf, NULL, B_TRUE, B_TRUE); |
|
7897
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2512 ASSERT(error != EEXIST); |
| 6423 | 2513 |
| 2514 nvlist_free(conf); | |
| 2515 return (error); | |
| 2516 | |
| 2517 msg_out: | |
|
7147
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diff
changeset
|
2518 cmn_err(CE_NOTE, "\n" |
| 6423 | 2519 " *************************************************** \n" |
| 2520 " * This device is not bootable! * \n" | |
| 2521 " * It is either offlined or detached or faulted. * \n" | |
| 2522 " * Please try to boot from a different device. * \n" | |
|
7147
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6704717 ZFS mirrored root doesn't live up to expectations
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diff
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|
2523 " *************************************************** "); |
| 6423 | 2524 |
| 2525 return (error); | |
| 2526 } | |
| 2527 #endif | |
| 2528 | |
| 2529 /* | |
| 2530 * Import a non-root pool into the system. | |
| 2531 */ | |
| 2532 int | |
| 2533 spa_import(const char *pool, nvlist_t *config, nvlist_t *props) | |
| 2534 { | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
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diff
changeset
|
2535 return (spa_import_common(pool, config, props, B_FALSE, B_FALSE)); |
| 6423 | 2536 } |
| 2537 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
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diff
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|
2538 int |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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6615
diff
changeset
|
2539 spa_import_faulted(const char *pool, nvlist_t *config, nvlist_t *props) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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parents:
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diff
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|
2540 { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2541 return (spa_import_common(pool, config, props, B_FALSE, B_TRUE)); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
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|
2542 } |
|
3a34b0dbb107
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diff
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|
2543 |
|
3a34b0dbb107
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diff
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|
2544 |
| 789 | 2545 /* |
| 2546 * This (illegal) pool name is used when temporarily importing a spa_t in order | |
| 2547 * to get the vdev stats associated with the imported devices. | |
| 2548 */ | |
| 2549 #define TRYIMPORT_NAME "$import" | |
| 2550 | |
| 2551 nvlist_t * | |
| 2552 spa_tryimport(nvlist_t *tryconfig) | |
| 2553 { | |
| 2554 nvlist_t *config = NULL; | |
| 2555 char *poolname; | |
| 2556 spa_t *spa; | |
| 2557 uint64_t state; | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2558 int error; |
| 789 | 2559 |
| 2560 if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) | |
| 2561 return (NULL); | |
| 2562 | |
| 2563 if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) | |
| 2564 return (NULL); | |
| 2565 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2566 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2567 * Create and initialize the spa structure. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2568 */ |
| 789 | 2569 mutex_enter(&spa_namespace_lock); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2570 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
|
2571 spa_activate(spa, FREAD); |
| 789 | 2572 |
| 2573 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2574 * Pass off the heavy lifting to spa_load(). |
| 1732 | 2575 * Pass TRUE for mosconfig because the user-supplied config |
| 2576 * is actually the one to trust when doing an import. | |
| 789 | 2577 */ |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2578 error = spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
| 789 | 2579 |
| 2580 /* | |
| 2581 * If 'tryconfig' was at least parsable, return the current config. | |
| 2582 */ | |
| 2583 if (spa->spa_root_vdev != NULL) { | |
| 2584 config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); | |
| 2585 VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, | |
| 2586 poolname) == 0); | |
| 2587 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, | |
| 2588 state) == 0); | |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2589 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2590 spa->spa_uberblock.ub_timestamp) == 0); |
| 2082 | 2591 |
| 2592 /* | |
| 6423 | 2593 * If the bootfs property exists on this pool then we |
| 2594 * copy it out so that external consumers can tell which | |
| 2595 * pools are bootable. | |
| 2596 */ | |
|
8680
005fe27123ba
6786321 panic on spa_tryimport() a corrupted pool
Lin Ling <Lin.Ling@Sun.COM>
parents:
8667
diff
changeset
|
2597 if ((!error || error == EEXIST) && spa->spa_bootfs) { |
| 6423 | 2598 char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
| 2599 | |
| 2600 /* | |
| 2601 * We have to play games with the name since the | |
| 2602 * pool was opened as TRYIMPORT_NAME. | |
| 2603 */ | |
|
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
|
2604 if (dsl_dsobj_to_dsname(spa_name(spa), |
| 6423 | 2605 spa->spa_bootfs, tmpname) == 0) { |
| 2606 char *cp; | |
| 2607 char *dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
| 2608 | |
| 2609 cp = strchr(tmpname, '/'); | |
| 2610 if (cp == NULL) { | |
| 2611 (void) strlcpy(dsname, tmpname, | |
| 2612 MAXPATHLEN); | |
| 2613 } else { | |
| 2614 (void) snprintf(dsname, MAXPATHLEN, | |
| 2615 "%s/%s", poolname, ++cp); | |
| 2616 } | |
| 2617 VERIFY(nvlist_add_string(config, | |
| 2618 ZPOOL_CONFIG_BOOTFS, dsname) == 0); | |
| 2619 kmem_free(dsname, MAXPATHLEN); | |
| 2620 } | |
| 2621 kmem_free(tmpname, MAXPATHLEN); | |
| 2622 } | |
| 2623 | |
| 2624 /* | |
| 5450 | 2625 * Add the list of hot spares and level 2 cache devices. |
| 2082 | 2626 */ |
| 2627 spa_add_spares(spa, config); | |
| 5450 | 2628 spa_add_l2cache(spa, config); |
| 789 | 2629 } |
| 2630 | |
| 2631 spa_unload(spa); | |
| 2632 spa_deactivate(spa); | |
| 2633 spa_remove(spa); | |
| 2634 mutex_exit(&spa_namespace_lock); | |
| 2635 | |
| 2636 return (config); | |
| 2637 } | |
| 2638 | |
| 2639 /* | |
| 2640 * Pool export/destroy | |
| 2641 * | |
| 2642 * The act of destroying or exporting a pool is very simple. We make sure there | |
| 2643 * is no more pending I/O and any references to the pool are gone. Then, we | |
| 2644 * 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
|
2645 * 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
|
2646 * we don't sync the labels or remove the configuration cache. |
| 789 | 2647 */ |
| 2648 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
|
2649 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
|
2650 boolean_t force, boolean_t hardforce) |
| 789 | 2651 { |
| 2652 spa_t *spa; | |
| 2653 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2654 if (oldconfig) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2655 *oldconfig = NULL; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2656 |
|
8241
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
2657 if (!(spa_mode_global & FWRITE)) |
| 789 | 2658 return (EROFS); |
| 2659 | |
| 2660 mutex_enter(&spa_namespace_lock); | |
| 2661 if ((spa = spa_lookup(pool)) == NULL) { | |
| 2662 mutex_exit(&spa_namespace_lock); | |
| 2663 return (ENOENT); | |
| 2664 } | |
| 2665 | |
| 2666 /* | |
| 1544 | 2667 * Put a hold on the pool, drop the namespace lock, stop async tasks, |
| 2668 * reacquire the namespace lock, and see if we can export. | |
| 2669 */ | |
| 2670 spa_open_ref(spa, FTAG); | |
| 2671 mutex_exit(&spa_namespace_lock); | |
| 2672 spa_async_suspend(spa); | |
| 2673 mutex_enter(&spa_namespace_lock); | |
| 2674 spa_close(spa, FTAG); | |
| 2675 | |
| 2676 /* | |
| 789 | 2677 * The pool will be in core if it's openable, |
| 2678 * in which case we can modify its state. | |
| 2679 */ | |
| 2680 if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) { | |
| 2681 /* | |
| 2682 * Objsets may be open only because they're dirty, so we | |
| 2683 * have to force it to sync before checking spa_refcnt. | |
| 2684 */ | |
| 2685 txg_wait_synced(spa->spa_dsl_pool, 0); | |
| 2686 | |
| 1544 | 2687 /* |
| 2688 * A pool cannot be exported or destroyed if there are active | |
| 2689 * references. If we are resetting a pool, allow references by | |
| 2690 * fault injection handlers. | |
| 2691 */ | |
| 2692 if (!spa_refcount_zero(spa) || | |
| 2693 (spa->spa_inject_ref != 0 && | |
| 2694 new_state != POOL_STATE_UNINITIALIZED)) { | |
| 2695 spa_async_resume(spa); | |
| 789 | 2696 mutex_exit(&spa_namespace_lock); |
| 2697 return (EBUSY); | |
| 2698 } | |
| 2699 | |
| 2700 /* | |
|
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
|
2701 * 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
|
2702 * 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
|
2703 * 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
|
2704 * 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
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7184
diff
changeset
|
2705 */ |
|
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
|
2706 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
|
2707 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.
lling
parents:
7184
diff
changeset
|
2708 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.
lling
parents:
7184
diff
changeset
|
2709 mutex_exit(&spa_namespace_lock); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2710 return (EXDEV); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2711 } |
|
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
|
2712 |
|
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
|
2713 /* |
| 789 | 2714 * We want this to be reflected on every label, |
| 2715 * so mark them all dirty. spa_unload() will do the | |
| 2716 * final sync that pushes these changes out. | |
| 2717 */ | |
|
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
|
2718 if (new_state != POOL_STATE_UNINITIALIZED && !hardforce) { |
|
7754
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diff
changeset
|
2719 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1544 | 2720 spa->spa_state = new_state; |
|
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2721 spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
| 1544 | 2722 vdev_config_dirty(spa->spa_root_vdev); |
|
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diff
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|
2723 spa_config_exit(spa, SCL_ALL, FTAG); |
| 1544 | 2724 } |
| 789 | 2725 } |
| 2726 | |
| 4451 | 2727 spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
| 2728 | |
| 789 | 2729 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
| 2730 spa_unload(spa); | |
| 2731 spa_deactivate(spa); | |
| 2732 } | |
| 2733 | |
|
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|
2734 if (oldconfig && spa->spa_config) |
|
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|
2735 VERIFY(nvlist_dup(spa->spa_config, oldconfig, 0) == 0); |
|
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2736 |
| 1544 | 2737 if (new_state != POOL_STATE_UNINITIALIZED) { |
|
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7897
diff
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|
2738 if (!hardforce) |
|
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7897
diff
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|
2739 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 1544 | 2740 spa_remove(spa); |
| 2741 } | |
| 789 | 2742 mutex_exit(&spa_namespace_lock); |
| 2743 | |
| 2744 return (0); | |
| 2745 } | |
| 2746 | |
| 2747 /* | |
| 2748 * Destroy a storage pool. | |
| 2749 */ | |
| 2750 int | |
| 2751 spa_destroy(char *pool) | |
| 2752 { | |
|
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|
2753 return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL, |
|
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6775357 ZFS should have a way to export a pool without touching anything
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diff
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|
2754 B_FALSE, B_FALSE)); |
| 789 | 2755 } |
| 2756 | |
| 2757 /* | |
| 2758 * Export a storage pool. | |
| 2759 */ | |
| 2760 int | |
|
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diff
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|
2761 spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, |
|
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diff
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|
2762 boolean_t hardforce) |
| 789 | 2763 { |
|
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|
2764 return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig, |
|
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diff
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|
2765 force, hardforce)); |
| 789 | 2766 } |
| 2767 | |
| 2768 /* | |
| 1544 | 2769 * Similar to spa_export(), this unloads the spa_t without actually removing it |
| 2770 * from the namespace in any way. | |
| 2771 */ | |
| 2772 int | |
| 2773 spa_reset(char *pool) | |
| 2774 { | |
|
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7184
diff
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|
2775 return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL, |
|
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|
2776 B_FALSE, B_FALSE)); |
| 1544 | 2777 } |
| 2778 | |
| 2779 /* | |
| 789 | 2780 * ========================================================================== |
| 2781 * Device manipulation | |
| 2782 * ========================================================================== | |
| 2783 */ | |
| 2784 | |
| 2785 /* | |
| 4527 | 2786 * Add a device to a storage pool. |
| 789 | 2787 */ |
| 2788 int | |
| 2789 spa_vdev_add(spa_t *spa, nvlist_t *nvroot) | |
| 2790 { | |
| 2791 uint64_t txg; | |
|
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|
2792 int error; |
| 789 | 2793 vdev_t *rvd = spa->spa_root_vdev; |
|
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|
2794 vdev_t *vd, *tvd; |
| 5450 | 2795 nvlist_t **spares, **l2cache; |
| 2796 uint_t nspares, nl2cache; | |
| 789 | 2797 |
| 2798 txg = spa_vdev_enter(spa); | |
| 2799 | |
| 2082 | 2800 if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
| 2801 VDEV_ALLOC_ADD)) != 0) | |
| 2802 return (spa_vdev_exit(spa, NULL, txg, error)); | |
| 2803 | |
|
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|
2804 spa->spa_pending_vdev = vd; /* spa_vdev_exit() will clear this */ |
| 789 | 2805 |
| 5450 | 2806 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, |
| 2807 &nspares) != 0) | |
| 2082 | 2808 nspares = 0; |
| 2809 | |
| 5450 | 2810 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, |
| 2811 &nl2cache) != 0) | |
| 2812 nl2cache = 0; | |
| 2813 | |
|
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diff
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|
2814 if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0) |
| 2082 | 2815 return (spa_vdev_exit(spa, vd, txg, EINVAL)); |
|
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|
2816 |
|
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|
2817 if (vd->vdev_children != 0 && |
|
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|
2818 (error = vdev_create(vd, txg, B_FALSE)) != 0) |
|
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|
2819 return (spa_vdev_exit(spa, vd, txg, error)); |
| 2082 | 2820 |
|
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|
2821 /* |
| 5450 | 2822 * We must validate the spares and l2cache devices after checking the |
| 2823 * children. Otherwise, vdev_inuse() will blindly overwrite the spare. | |
|
3377
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|
2824 */ |
|
7754
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diff
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|
2825 if ((error = spa_validate_aux(spa, nvroot, txg, VDEV_ALLOC_ADD)) != 0) |
|
3377
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|
2826 return (spa_vdev_exit(spa, vd, txg, error)); |
|
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|
2827 |
|
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|
2828 /* |
|
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diff
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|
2829 * Transfer each new top-level vdev from vd to rvd. |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
2830 */ |
|
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diff
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|
2831 for (int c = 0; c < vd->vdev_children; c++) { |
|
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|
2832 tvd = vd->vdev_child[c]; |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
2833 vdev_remove_child(vd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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|
2834 tvd->vdev_id = rvd->vdev_children; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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|
2835 vdev_add_child(rvd, tvd); |
|
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6393525 vdev_reopen() should verify that it's still the same device
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|
2836 vdev_config_dirty(tvd); |
|
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|
2837 } |
|
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|
2838 |
| 2082 | 2839 if (nspares != 0) { |
| 5450 | 2840 spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, |
| 2841 ZPOOL_CONFIG_SPARES); | |
| 2082 | 2842 spa_load_spares(spa); |
| 5450 | 2843 spa->spa_spares.sav_sync = B_TRUE; |
| 2844 } | |
| 2845 | |
| 2846 if (nl2cache != 0) { | |
| 2847 spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, | |
| 2848 ZPOOL_CONFIG_L2CACHE); | |
| 2849 spa_load_l2cache(spa); | |
| 2850 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 789 | 2851 } |
| 2852 | |
| 2853 /* | |
|
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diff
changeset
|
2854 * We have to be careful when adding new vdevs to an existing pool. |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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|
2855 * If other threads start allocating from these vdevs before we |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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diff
changeset
|
2856 * 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
|
2857 * 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
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1544
diff
changeset
|
2858 * 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
|
2859 * initializing metaslabs; sync the config cache (via spa_vdev_exit()); |
|
1635
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bonwick
parents:
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diff
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|
2860 * and then let spa_config_update() initialize the new metaslabs. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
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diff
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|
2861 * |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2862 * spa_load() checks for added-but-not-initialized vdevs, so that |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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1544
diff
changeset
|
2863 * 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
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1544
diff
changeset
|
2864 * steps will be completed the next time we load the pool. |
| 789 | 2865 */ |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
changeset
|
2866 (void) spa_vdev_exit(spa, vd, txg, 0); |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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1544
diff
changeset
|
2867 |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
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1601
diff
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|
2868 mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
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diff
changeset
|
2869 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
0ab1193d47cb
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diff
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|
2870 mutex_exit(&spa_namespace_lock); |
| 789 | 2871 |
|
1635
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|
2872 return (0); |
| 789 | 2873 } |
| 2874 | |
| 2875 /* | |
| 2876 * Attach a device to a mirror. The arguments are the path to any device | |
| 2877 * in the mirror, and the nvroot for the new device. If the path specifies | |
| 2878 * a device that is not mirrored, we automatically insert the mirror vdev. | |
| 2879 * | |
| 2880 * If 'replacing' is specified, the new device is intended to replace the | |
| 2881 * existing device; in this case the two devices are made into their own | |
| 4451 | 2882 * mirror using the 'replacing' vdev, which is functionally identical to |
| 789 | 2883 * the mirror vdev (it actually reuses all the same ops) but has a few |
| 2884 * extra rules: you can't attach to it after it's been created, and upon | |
| 2885 * completion of resilvering, the first disk (the one being replaced) | |
| 2886 * is automatically detached. | |
| 2887 */ | |
| 2888 int | |
| 1544 | 2889 spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
| 789 | 2890 { |
| 2891 uint64_t txg, open_txg; | |
| 2892 vdev_t *rvd = spa->spa_root_vdev; | |
| 2893 vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; | |
| 2082 | 2894 vdev_ops_t *pvops; |
|
7313
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6734585 zpool history should log when a spare device becomes active
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diff
changeset
|
2895 dmu_tx_t *tx; |
|
99e2110471bb
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diff
changeset
|
2896 char *oldvdpath, *newvdpath; |
|
99e2110471bb
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diff
changeset
|
2897 int newvd_isspare; |
|
99e2110471bb
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diff
changeset
|
2898 int error; |
| 789 | 2899 |
| 2900 txg = spa_vdev_enter(spa); | |
| 2901 | |
|
6643
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6615
diff
changeset
|
2902 oldvd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 2903 |
| 2904 if (oldvd == NULL) | |
| 2905 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 2906 | |
|
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diff
changeset
|
2907 if (!oldvd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
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1544
diff
changeset
|
2908 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
4ad213e858a9
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diff
changeset
|
2909 |
| 789 | 2910 pvd = oldvd->vdev_parent; |
| 2911 | |
| 2082 | 2912 if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
| 4451 | 2913 VDEV_ALLOC_ADD)) != 0) |
| 2914 return (spa_vdev_exit(spa, NULL, txg, EINVAL)); | |
| 2915 | |
| 2916 if (newrootvd->vdev_children != 1) | |
| 789 | 2917 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
| 2918 | |
| 2919 newvd = newrootvd->vdev_child[0]; | |
| 2920 | |
| 2921 if (!newvd->vdev_ops->vdev_op_leaf) | |
| 2922 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); | |
| 2923 | |
| 2082 | 2924 if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
| 789 | 2925 return (spa_vdev_exit(spa, newrootvd, txg, error)); |
| 2926 | |
| 4527 | 2927 /* |
| 2928 * Spares can't replace logs | |
| 2929 */ | |
|
7326
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6713886 hot spares of mirrored log devices should not be allowed
Eric Schrock <Eric.Schrock@Sun.COM>
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7313
diff
changeset
|
2930 if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare) |
| 4527 | 2931 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2932 | |
| 2082 | 2933 if (!replacing) { |
| 2934 /* | |
| 2935 * For attach, the only allowable parent is a mirror or the root | |
| 2936 * vdev. | |
| 2937 */ | |
| 2938 if (pvd->vdev_ops != &vdev_mirror_ops && | |
| 2939 pvd->vdev_ops != &vdev_root_ops) | |
| 2940 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 2941 | |
| 2942 pvops = &vdev_mirror_ops; | |
| 2943 } else { | |
| 2944 /* | |
| 2945 * Active hot spares can only be replaced by inactive hot | |
| 2946 * spares. | |
| 2947 */ | |
| 2948 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 2949 pvd->vdev_child[1] == oldvd && | |
| 2950 !spa_has_spare(spa, newvd->vdev_guid)) | |
| 2951 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 2952 | |
| 2953 /* | |
| 2954 * If the source is a hot spare, and the parent isn't already a | |
| 2955 * spare, then we want to create a new hot spare. Otherwise, we | |
|
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3290
diff
changeset
|
2956 * want to create a replacing vdev. The user is not allowed to |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
changeset
|
2957 * 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
|
2958 * 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
|
2959 * non-spare). |
| 2082 | 2960 */ |
| 2961 if (pvd->vdev_ops == &vdev_replacing_ops) | |
| 2962 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2963 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
|
2964 newvd->vdev_isspare != oldvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2965 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2082 | 2966 else if (pvd->vdev_ops != &vdev_spare_ops && |
| 2967 newvd->vdev_isspare) | |
| 2968 pvops = &vdev_spare_ops; | |
| 2969 else | |
| 2970 pvops = &vdev_replacing_ops; | |
| 2971 } | |
| 2972 | |
|
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
|
2973 /* |
|
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
|
2974 * 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
|
2975 * 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
|
2976 */ |
|
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
|
2977 if (newvd->vdev_psize < vdev_get_rsize(oldvd)) |
| 789 | 2978 return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
| 2979 | |
| 1732 | 2980 /* |
| 2981 * The new device cannot have a higher alignment requirement | |
| 2982 * than the top-level vdev. | |
| 2983 */ | |
| 2984 if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) | |
| 789 | 2985 return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
| 2986 | |
| 2987 /* | |
| 2988 * If this is an in-place replacement, update oldvd's path and devid | |
| 2989 * to make it distinguishable from newvd, and unopenable from now on. | |
| 2990 */ | |
| 2991 if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { | |
| 2992 spa_strfree(oldvd->vdev_path); | |
| 2993 oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, | |
| 2994 KM_SLEEP); | |
| 2995 (void) sprintf(oldvd->vdev_path, "%s/%s", | |
| 2996 newvd->vdev_path, "old"); | |
| 2997 if (oldvd->vdev_devid != NULL) { | |
| 2998 spa_strfree(oldvd->vdev_devid); | |
| 2999 oldvd->vdev_devid = NULL; | |
| 3000 } | |
| 3001 } | |
| 3002 | |
| 3003 /* | |
| 2082 | 3004 * If the parent is not a mirror, or if we're replacing, insert the new |
| 3005 * mirror/replacing/spare vdev above oldvd. | |
| 789 | 3006 */ |
| 3007 if (pvd->vdev_ops != pvops) | |
| 3008 pvd = vdev_add_parent(oldvd, pvops); | |
| 3009 | |
| 3010 ASSERT(pvd->vdev_top->vdev_parent == rvd); | |
| 3011 ASSERT(pvd->vdev_ops == pvops); | |
| 3012 ASSERT(oldvd->vdev_parent == pvd); | |
| 3013 | |
| 3014 /* | |
| 3015 * Extract the new device from its root and add it to pvd. | |
| 3016 */ | |
| 3017 vdev_remove_child(newrootvd, newvd); | |
| 3018 newvd->vdev_id = pvd->vdev_children; | |
| 3019 vdev_add_child(pvd, newvd); | |
| 3020 | |
| 1544 | 3021 /* |
| 3022 * If newvd is smaller than oldvd, but larger than its rsize, | |
| 3023 * the addition of newvd may have decreased our parent's asize. | |
| 3024 */ | |
| 3025 pvd->vdev_asize = MIN(pvd->vdev_asize, newvd->vdev_asize); | |
| 3026 | |
| 789 | 3027 tvd = newvd->vdev_top; |
| 3028 ASSERT(pvd->vdev_top == tvd); | |
| 3029 ASSERT(tvd->vdev_parent == rvd); | |
| 3030 | |
| 3031 vdev_config_dirty(tvd); | |
| 3032 | |
| 3033 /* | |
| 3034 * Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate | |
| 3035 * upward when spa_vdev_exit() calls vdev_dtl_reassess(). | |
| 3036 */ | |
| 3037 open_txg = txg + TXG_CONCURRENT_STATES - 1; | |
| 3038 | |
|
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diff
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|
3039 vdev_dtl_dirty(newvd, DTL_MISSING, |
|
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6328632 zpool offline is a bit too conservative
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changeset
|
3040 TXG_INITIAL, open_txg - TXG_INITIAL + 1); |
| 789 | 3041 |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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3290
diff
changeset
|
3042 if (newvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
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diff
changeset
|
3043 spa_spare_activate(newvd); |
|
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
|
3044 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
|
3045 newvdpath = spa_strdup(newvd->vdev_path); |
|
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
|
3046 newvd_isspare = newvd->vdev_isspare; |
| 1544 | 3047 |
| 789 | 3048 /* |
| 3049 * Mark newvd's DTL dirty in this txg. | |
| 3050 */ | |
| 1732 | 3051 vdev_dirty(tvd, VDD_DTL, newvd, txg); |
| 789 | 3052 |
| 3053 (void) spa_vdev_exit(spa, newrootvd, open_txg, 0); | |
| 3054 | |
|
7313
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6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3055 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>
parents:
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diff
changeset
|
3056 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:
7294
diff
changeset
|
3057 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
|
3058 CRED(), "%s vdev=%s %s vdev=%s", |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3059 replacing && newvd_isspare ? "spare in" : |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3060 replacing ? "replace" : "attach", newvdpath, |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3061 replacing ? "for" : "to", oldvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3062 dmu_tx_commit(tx); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3063 } else { |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3064 dmu_tx_abort(tx); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
3065 } |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
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diff
changeset
|
3066 |
|
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
|
3067 spa_strfree(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
|
3068 spa_strfree(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
|
3069 |
| 789 | 3070 /* |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3071 * Kick off a resilver to update newvd. |
| 789 | 3072 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3073 VERIFY3U(spa_scrub(spa, POOL_SCRUB_RESILVER), ==, 0); |
| 789 | 3074 |
| 3075 return (0); | |
| 3076 } | |
| 3077 | |
| 3078 /* | |
| 3079 * Detach a device from a mirror or replacing vdev. | |
| 3080 * If 'replace_done' is specified, only detach if the parent | |
| 3081 * is a replacing vdev. | |
| 3082 */ | |
| 3083 int | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3084 spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done) |
| 789 | 3085 { |
| 3086 uint64_t txg; | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3087 int error; |
| 789 | 3088 vdev_t *rvd = spa->spa_root_vdev; |
| 3089 vdev_t *vd, *pvd, *cvd, *tvd; | |
| 2082 | 3090 boolean_t unspare = B_FALSE; |
| 3091 uint64_t unspare_guid; | |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3092 size_t len; |
| 789 | 3093 |
| 3094 txg = spa_vdev_enter(spa); | |
| 3095 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3096 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 3097 |
| 3098 if (vd == NULL) | |
| 3099 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 3100 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3101 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3102 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
|
3103 |
| 789 | 3104 pvd = vd->vdev_parent; |
| 3105 | |
| 3106 /* | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
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|
3107 * If the parent/child relationship is not as expected, don't do it. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3108 * Consider M(A,R(B,C)) -- that is, a mirror of A with a replacing |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3109 * vdev that's replacing B with C. The user's intent in replacing |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3110 * is to go from M(A,B) to M(A,C). If the user decides to cancel |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3111 * the replace by detaching C, the expected behavior is to end up |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3112 * M(A,B). But suppose that right after deciding to detach C, |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3113 * the replacement of B completes. We would have M(A,C), and then |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3114 * ask to detach C, which would leave us with just A -- not what |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3115 * the user wanted. To prevent this, we make sure that the |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3116 * parent/child relationship hasn't changed -- in this example, |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3117 * that C's parent is still the replacing vdev R. |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3118 */ |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3119 if (pvd->vdev_guid != pguid && pguid != 0) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3120 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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|
3121 |
|
5a60f16123ba
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diff
changeset
|
3122 /* |
| 789 | 3123 * If replace_done is specified, only remove this device if it's |
| 2082 | 3124 * the first child of a replacing vdev. For the 'spare' vdev, either |
| 3125 * disk can be removed. | |
| 789 | 3126 */ |
| 2082 | 3127 if (replace_done) { |
| 3128 if (pvd->vdev_ops == &vdev_replacing_ops) { | |
| 3129 if (vd->vdev_id != 0) | |
| 3130 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3131 } else if (pvd->vdev_ops != &vdev_spare_ops) { | |
| 3132 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3133 } | |
| 3134 } | |
| 3135 | |
| 3136 ASSERT(pvd->vdev_ops != &vdev_spare_ops || | |
| 4577 | 3137 spa_version(spa) >= SPA_VERSION_SPARES); |
| 789 | 3138 |
| 3139 /* | |
| 2082 | 3140 * Only mirror, replacing, and spare vdevs support detach. |
| 789 | 3141 */ |
| 3142 if (pvd->vdev_ops != &vdev_replacing_ops && | |
| 2082 | 3143 pvd->vdev_ops != &vdev_mirror_ops && |
| 3144 pvd->vdev_ops != &vdev_spare_ops) | |
| 789 | 3145 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
| 3146 | |
| 3147 /* | |
|
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|
3148 * If this device has the only valid copy of some data, |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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|
3149 * we cannot safely detach it. |
| 789 | 3150 */ |
|
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6328632 zpool offline is a bit too conservative
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diff
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|
3151 if (vdev_dtl_required(vd)) |
| 789 | 3152 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
| 3153 | |
|
8241
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|
3154 ASSERT(pvd->vdev_children >= 2); |
|
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|
3155 |
| 789 | 3156 /* |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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6643
diff
changeset
|
3157 * 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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6643
diff
changeset
|
3158 * check to see if we changed the original vdev's path to have "/old" |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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parents:
6643
diff
changeset
|
3159 * at the end in spa_vdev_attach(). If so, undo that change now. |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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parents:
6643
diff
changeset
|
3160 */ |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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6643
diff
changeset
|
3161 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
|
3162 pvd->vdev_child[0]->vdev_path != NULL && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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parents:
6643
diff
changeset
|
3163 pvd->vdev_child[1]->vdev_path != NULL) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3164 ASSERT(pvd->vdev_child[1] == vd); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3165 cvd = pvd->vdev_child[0]; |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3166 len = strlen(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3167 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
|
3168 strcmp(cvd->vdev_path + len, "/old") == 0) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3169 spa_strfree(cvd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3170 cvd->vdev_path = spa_strdup(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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diff
changeset
|
3171 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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diff
changeset
|
3172 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
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diff
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|
3173 |
|
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|
3174 /* |
| 2082 | 3175 * If we are detaching the original disk from a spare, then it implies |
| 3176 * that the spare should become a real disk, and be removed from the | |
| 3177 * active spare list for the pool. | |
| 3178 */ | |
| 3179 if (pvd->vdev_ops == &vdev_spare_ops && | |
|
8241
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diff
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|
3180 vd->vdev_id == 0 && pvd->vdev_child[1]->vdev_isspare) |
| 2082 | 3181 unspare = B_TRUE; |
| 3182 | |
| 3183 /* | |
| 789 | 3184 * Erase the disk labels so the disk can be used for other things. |
| 3185 * This must be done after all other error cases are handled, | |
| 3186 * but before we disembowel vd (so we can still do I/O to it). | |
| 3187 * But if we can't do it, don't treat the error as fatal -- | |
| 3188 * it may be that the unwritability of the disk is the reason | |
| 3189 * it's being detached! | |
| 3190 */ | |
|
3377
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6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3191 error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
| 789 | 3192 |
| 3193 /* | |
| 3194 * Remove vd from its parent and compact the parent's children. | |
| 3195 */ | |
| 3196 vdev_remove_child(pvd, vd); | |
| 3197 vdev_compact_children(pvd); | |
| 3198 | |
| 3199 /* | |
| 3200 * Remember one of the remaining children so we can get tvd below. | |
| 3201 */ | |
| 3202 cvd = pvd->vdev_child[0]; | |
| 3203 | |
| 3204 /* | |
| 2082 | 3205 * If we need to remove the remaining child from the list of hot spares, |
|
8241
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|
3206 * do it now, marking the vdev as no longer a spare in the process. |
|
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6328632 zpool offline is a bit too conservative
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|
3207 * We must do this before vdev_remove_parent(), because that can |
|
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6328632 zpool offline is a bit too conservative
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|
3208 * change the GUID if it creates a new toplevel GUID. For a similar |
|
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6328632 zpool offline is a bit too conservative
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|
3209 * reason, we must remove the spare now, in the same txg as the detach; |
|
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6328632 zpool offline is a bit too conservative
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|
3210 * otherwise someone could attach a new sibling, change the GUID, and |
|
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6328632 zpool offline is a bit too conservative
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changeset
|
3211 * the subsequent attempt to spa_vdev_remove(unspare_guid) would fail. |
| 2082 | 3212 */ |
| 3213 if (unspare) { | |
| 3214 ASSERT(cvd->vdev_isspare); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
changeset
|
3215 spa_spare_remove(cvd); |
| 2082 | 3216 unspare_guid = cvd->vdev_guid; |
|
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diff
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|
3217 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
| 2082 | 3218 } |
| 3219 | |
| 3220 /* | |
| 789 | 3221 * If the parent mirror/replacing vdev only has one child, |
| 3222 * the parent is no longer needed. Remove it from the tree. | |
| 3223 */ | |
| 3224 if (pvd->vdev_children == 1) | |
| 3225 vdev_remove_parent(cvd); | |
| 3226 | |
| 3227 /* | |
| 3228 * We don't set tvd until now because the parent we just removed | |
| 3229 * may have been the previous top-level vdev. | |
| 3230 */ | |
| 3231 tvd = cvd->vdev_top; | |
| 3232 ASSERT(tvd->vdev_parent == rvd); | |
| 3233 | |
| 3234 /* | |
|
3377
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diff
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|
3235 * Reevaluate the parent vdev state. |
| 789 | 3236 */ |
| 4451 | 3237 vdev_propagate_state(cvd); |
| 789 | 3238 |
| 3239 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
changeset
|
3240 * If the device we just detached was smaller than the others, it may be |
|
a2fa338530c1
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diff
changeset
|
3241 * 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
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diff
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|
3242 * 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
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diff
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|
3243 * there's nothing to read from disk. |
| 789 | 3244 */ |
| 1732 | 3245 VERIFY(vdev_metaslab_init(tvd, txg) == 0); |
| 789 | 3246 |
| 3247 vdev_config_dirty(tvd); | |
| 3248 | |
| 3249 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3250 * 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
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diff
changeset
|
3251 * 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
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diff
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|
3252 * 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
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diff
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|
3253 * prevent vd from being accessed after it's freed. |
| 789 | 3254 */ |
|
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|
3255 for (int t = 0; t < TXG_SIZE; t++) |
| 789 | 3256 (void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); |
| 1732 | 3257 vd->vdev_detached = B_TRUE; |
| 3258 vdev_dirty(tvd, VDD_DTL, vd, txg); | |
| 789 | 3259 |
| 4451 | 3260 spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
| 3261 | |
| 2082 | 3262 error = spa_vdev_exit(spa, vd, txg, 0); |
| 3263 | |
| 3264 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
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diff
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|
3265 * If this was the removal of the original device in a hot spare vdev, |
|
a2fa338530c1
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diff
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|
3266 * then we want to go through and remove the device from the hot spare |
|
a2fa338530c1
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eschrock
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diff
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|
3267 * list of every other pool. |
| 2082 | 3268 */ |
| 3269 if (unspare) { | |
|
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|
3270 spa_t *myspa = spa; |
| 2082 | 3271 spa = NULL; |
| 3272 mutex_enter(&spa_namespace_lock); | |
| 3273 while ((spa = spa_next(spa)) != NULL) { | |
| 3274 if (spa->spa_state != POOL_STATE_ACTIVE) | |
| 3275 continue; | |
|
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|
3276 if (spa == myspa) |
|
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|
3277 continue; |
|
7793
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
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diff
changeset
|
3278 spa_open_ref(spa, FTAG); |
|
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
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diff
changeset
|
3279 mutex_exit(&spa_namespace_lock); |
| 2082 | 3280 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
|
7793
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6755897 recursive mutex enter in spa_vdev_enter when running test suite
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diff
changeset
|
3281 mutex_enter(&spa_namespace_lock); |
|
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6755897 recursive mutex enter in spa_vdev_enter when running test suite
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|
3282 spa_close(spa, FTAG); |
| 2082 | 3283 } |
| 3284 mutex_exit(&spa_namespace_lock); | |
| 3285 } | |
| 3286 | |
| 3287 return (error); | |
| 3288 } | |
| 3289 | |
|
7754
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
3290 static nvlist_t * |
|
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diff
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|
3291 spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid) |
| 2082 | 3292 { |
|
7754
b80e4842ad54
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diff
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|
3293 for (int i = 0; i < count; i++) { |
|
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|
3294 uint64_t guid; |
|
b80e4842ad54
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|
3295 |
|
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|
3296 VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID, |
|
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|
3297 &guid) == 0); |
|
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|
3298 |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
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|
3299 if (guid == target_guid) |
|
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|
3300 return (nvpp[i]); |
| 2082 | 3301 } |
| 3302 | |
|
7754
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|
3303 return (NULL); |
| 5450 | 3304 } |
| 3305 | |
|
7754
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|
3306 static void |
|
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|
3307 spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count, |
|
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|
3308 nvlist_t *dev_to_remove) |
| 5450 | 3309 { |
|
7754
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diff
changeset
|
3310 nvlist_t **newdev = NULL; |
|
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|
3311 |
|
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diff
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|
3312 if (count > 1) |
|
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|
3313 newdev = kmem_alloc((count - 1) * sizeof (void *), KM_SLEEP); |
|
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diff
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|
3314 |
|
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|
3315 for (int i = 0, j = 0; i < count; i++) { |
|
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diff
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|
3316 if (dev[i] == dev_to_remove) |
|
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|
3317 continue; |
|
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diff
changeset
|
3318 VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0); |
| 5450 | 3319 } |
| 3320 | |
|
7754
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|
3321 VERIFY(nvlist_remove(config, name, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
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diff
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|
3322 VERIFY(nvlist_add_nvlist_array(config, name, newdev, count - 1) == 0); |
|
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|
3323 |
|
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|
3324 for (int i = 0; i < count - 1; i++) |
|
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|
3325 nvlist_free(newdev[i]); |
|
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|
3326 |
|
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|
3327 if (count > 1) |
|
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|
3328 kmem_free(newdev, (count - 1) * sizeof (void *)); |
| 5450 | 3329 } |
| 3330 | |
| 3331 /* | |
| 3332 * Remove a device from the pool. Currently, this supports removing only hot | |
| 3333 * spares and level 2 ARC devices. | |
| 3334 */ | |
| 3335 int | |
| 3336 spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) | |
| 3337 { | |
| 3338 vdev_t *vd; | |
|
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3339 nvlist_t **spares, **l2cache, *nv; |
| 5450 | 3340 uint_t nspares, nl2cache; |
|
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3341 uint64_t txg = 0; |
| 5450 | 3342 int error = 0; |
|
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3343 boolean_t locked = MUTEX_HELD(&spa_namespace_lock); |
|
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3344 |
|
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3345 if (!locked) |
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|
3346 txg = spa_vdev_enter(spa); |
| 5450 | 3347 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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6615
diff
changeset
|
3348 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 5450 | 3349 |
| 3350 if (spa->spa_spares.sav_vdevs != NULL && | |
| 3351 nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, | |
|
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|
3352 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0 && |
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|
3353 (nv = spa_nvlist_lookup_by_guid(spares, nspares, guid)) != NULL) { |
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|
3354 /* |
|
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|
3355 * Only remove the hot spare if it's not currently in use |
|
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|
3356 * in this pool. |
|
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|
3357 */ |
|
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|
3358 if (vd == NULL || unspare) { |
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changeset
|
3359 spa_vdev_remove_aux(spa->spa_spares.sav_config, |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
3360 ZPOOL_CONFIG_SPARES, spares, nspares, nv); |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3361 spa_load_spares(spa); |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3362 spa->spa_spares.sav_sync = B_TRUE; |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3363 } else { |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3364 error = EBUSY; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3365 } |
|
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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
|
3366 } else if (spa->spa_l2cache.sav_vdevs != NULL && |
| 5450 | 3367 nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, |
|
7754
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3368 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 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
changeset
|
3369 (nv = spa_nvlist_lookup_by_guid(l2cache, nl2cache, guid)) != NULL) { |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3370 /* |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3371 * Cache devices can always be removed. |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
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|
3372 */ |
|
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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
|
3373 spa_vdev_remove_aux(spa->spa_l2cache.sav_config, |
|
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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
|
3374 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache, nv); |
| 5450 | 3375 spa_load_l2cache(spa); |
| 3376 spa->spa_l2cache.sav_sync = B_TRUE; | |
|
7754
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diff
changeset
|
3377 } else if (vd != NULL) { |
|
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3378 /* |
|
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diff
changeset
|
3379 * Normal vdevs cannot be removed (yet). |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3380 */ |
|
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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
|
3381 error = ENOTSUP; |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
3382 } else { |
|
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diff
changeset
|
3383 /* |
|
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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
|
3384 * There is no vdev of any kind with the specified guid. |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
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|
3385 */ |
|
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
|
3386 error = ENOENT; |
| 5450 | 3387 } |
| 2082 | 3388 |
|
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6328632 zpool offline is a bit too conservative
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diff
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|
3389 if (!locked) |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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diff
changeset
|
3390 return (spa_vdev_exit(spa, NULL, txg, error)); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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diff
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|
3391 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
3392 return (error); |
| 789 | 3393 } |
| 3394 | |
| 3395 /* | |
| 4451 | 3396 * Find any device that's done replacing, or a vdev marked 'unspare' that's |
| 3397 * current spared, so we can detach it. | |
| 789 | 3398 */ |
| 1544 | 3399 static vdev_t * |
| 4451 | 3400 spa_vdev_resilver_done_hunt(vdev_t *vd) |
| 789 | 3401 { |
| 1544 | 3402 vdev_t *newvd, *oldvd; |
| 789 | 3403 int c; |
| 3404 | |
| 1544 | 3405 for (c = 0; c < vd->vdev_children; c++) { |
| 4451 | 3406 oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
| 1544 | 3407 if (oldvd != NULL) |
| 3408 return (oldvd); | |
| 3409 } | |
| 789 | 3410 |
| 4451 | 3411 /* |
| 3412 * Check for a completed replacement. | |
| 3413 */ | |
| 789 | 3414 if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) { |
| 1544 | 3415 oldvd = vd->vdev_child[0]; |
| 3416 newvd = vd->vdev_child[1]; | |
| 789 | 3417 |
|
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diff
changeset
|
3418 if (vdev_dtl_empty(newvd, DTL_MISSING) && |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3419 !vdev_dtl_required(oldvd)) |
| 1544 | 3420 return (oldvd); |
| 3421 } | |
| 789 | 3422 |
| 4451 | 3423 /* |
| 3424 * Check for a completed resilver with the 'unspare' flag set. | |
| 3425 */ | |
| 3426 if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) { | |
| 3427 newvd = vd->vdev_child[0]; | |
| 3428 oldvd = vd->vdev_child[1]; | |
| 3429 | |
| 3430 if (newvd->vdev_unspare && | |
|
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|
3431 vdev_dtl_empty(newvd, DTL_MISSING) && |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3432 !vdev_dtl_required(oldvd)) { |
| 4451 | 3433 newvd->vdev_unspare = 0; |
| 3434 return (oldvd); | |
| 3435 } | |
| 3436 } | |
| 3437 | |
| 1544 | 3438 return (NULL); |
| 789 | 3439 } |
| 3440 | |
| 1544 | 3441 static void |
| 4451 | 3442 spa_vdev_resilver_done(spa_t *spa) |
| 789 | 3443 { |
|
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diff
changeset
|
3444 vdev_t *vd, *pvd, *ppvd; |
|
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6328632 zpool offline is a bit too conservative
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diff
changeset
|
3445 uint64_t guid, sguid, pguid, ppguid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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diff
changeset
|
3446 |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3447 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3448 |
| 4451 | 3449 while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) { |
|
8241
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diff
changeset
|
3450 pvd = vd->vdev_parent; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3451 ppvd = pvd->vdev_parent; |
| 1544 | 3452 guid = vd->vdev_guid; |
|
8241
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6328632 zpool offline is a bit too conservative
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diff
changeset
|
3453 pguid = pvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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parents:
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diff
changeset
|
3454 ppguid = ppvd->vdev_guid; |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3455 sguid = 0; |
| 2082 | 3456 /* |
| 3457 * If we have just finished replacing a hot spared device, then | |
| 3458 * we need to detach the parent's first child (the original hot | |
| 3459 * spare) as well. | |
| 3460 */ | |
|
8241
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6328632 zpool offline is a bit too conservative
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diff
changeset
|
3461 if (ppvd->vdev_ops == &vdev_spare_ops && pvd->vdev_id == 0) { |
| 2082 | 3462 ASSERT(pvd->vdev_ops == &vdev_replacing_ops); |
|
8241
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6328632 zpool offline is a bit too conservative
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diff
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|
3463 ASSERT(ppvd->vdev_children == 2); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
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parents:
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diff
changeset
|
3464 sguid = ppvd->vdev_child[1]->vdev_guid; |
| 2082 | 3465 } |
|
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
|
3466 spa_config_exit(spa, SCL_ALL, FTAG); |
|
5a60f16123ba
6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3467 if (spa_vdev_detach(spa, guid, pguid, B_TRUE) != 0) |
| 1544 | 3468 return; |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
8211
diff
changeset
|
3469 if (sguid && spa_vdev_detach(spa, sguid, ppguid, B_TRUE) != 0) |
| 2082 | 3470 return; |
|
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
|
3471 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 789 | 3472 } |
| 3473 | |
|
8241
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6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
3474 spa_config_exit(spa, SCL_ALL, FTAG); |
| 789 | 3475 } |
| 3476 | |
| 3477 /* | |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
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parents:
1175
diff
changeset
|
3478 * Update the stored path for this vdev. Dirty the vdev configuration, relying |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3479 * on spa_vdev_enter/exit() to synchronize the labels and cache. |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3480 */ |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
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1175
diff
changeset
|
3481 int |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3482 spa_vdev_setpath(spa_t *spa, uint64_t guid, const char *newpath) |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3483 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3484 vdev_t *vd; |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3485 uint64_t txg; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3486 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3487 txg = spa_vdev_enter(spa); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3488 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3489 if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) { |
| 2082 | 3490 /* |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3491 * Determine if this is a reference to a hot spare device. If |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3492 * it is, update the path manually as there is no associated |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3493 * vdev_t that can be synced to disk. |
| 2082 | 3494 */ |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3495 nvlist_t **spares; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
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parents:
6615
diff
changeset
|
3496 uint_t i, nspares; |
| 5450 | 3497 |
| 3498 if (spa->spa_spares.sav_config != NULL) { | |
| 3499 VERIFY(nvlist_lookup_nvlist_array( | |
| 3500 spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, | |
| 3501 &spares, &nspares) == 0); | |
| 2082 | 3502 for (i = 0; i < nspares; i++) { |
| 3503 uint64_t theguid; | |
| 3504 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 3505 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 5450 | 3506 if (theguid == guid) { |
| 3507 VERIFY(nvlist_add_string(spares[i], | |
| 3508 ZPOOL_CONFIG_PATH, newpath) == 0); | |
| 3509 spa_load_spares(spa); | |
| 3510 spa->spa_spares.sav_sync = B_TRUE; | |
| 3511 return (spa_vdev_exit(spa, NULL, txg, | |
| 3512 0)); | |
| 3513 } | |
| 2082 | 3514 } |
| 3515 } | |
| 5450 | 3516 |
| 3517 return (spa_vdev_exit(spa, NULL, txg, ENOENT)); | |
| 2082 | 3518 } |
|
1354
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diff
changeset
|
3519 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3520 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3521 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
|
3522 |
|
1354
81359ee1ee63
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diff
changeset
|
3523 spa_strfree(vd->vdev_path); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
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diff
changeset
|
3524 vd->vdev_path = spa_strdup(newpath); |
|
81359ee1ee63
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1175
diff
changeset
|
3525 |
|
81359ee1ee63
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diff
changeset
|
3526 vdev_config_dirty(vd->vdev_top); |
|
81359ee1ee63
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diff
changeset
|
3527 |
|
81359ee1ee63
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diff
changeset
|
3528 return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
81359ee1ee63
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1175
diff
changeset
|
3529 } |
|
81359ee1ee63
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diff
changeset
|
3530 |
|
81359ee1ee63
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changeset
|
3531 /* |
| 789 | 3532 * ========================================================================== |
| 3533 * SPA Scrubbing | |
| 3534 * ========================================================================== | |
| 3535 */ | |
| 3536 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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diff
changeset
|
3537 int |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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7042
diff
changeset
|
3538 spa_scrub(spa_t *spa, pool_scrub_type_t type) |
| 789 | 3539 { |
|
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
|
3540 ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); |
| 4808 | 3541 |
| 789 | 3542 if ((uint_t)type >= POOL_SCRUB_TYPES) |
| 3543 return (ENOTSUP); | |
| 3544 | |
| 3545 /* | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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7042
diff
changeset
|
3546 * 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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7042
diff
changeset
|
3547 * writeable leaf device, we have nothing to do. |
| 789 | 3548 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
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7042
diff
changeset
|
3549 if (type == POOL_SCRUB_RESILVER && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3550 !vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL)) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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|
3551 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 1544 | 3552 return (0); |
| 3553 } | |
| 789 | 3554 |
|
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3555 if (type == POOL_SCRUB_EVERYTHING && |
|
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|
3556 spa->spa_dsl_pool->dp_scrub_func != SCRUB_FUNC_NONE && |
|
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|
3557 spa->spa_dsl_pool->dp_scrub_isresilver) |
|
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|
3558 return (EBUSY); |
|
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|
3559 |
|
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|
3560 if (type == POOL_SCRUB_EVERYTHING || type == POOL_SCRUB_RESILVER) { |
|
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|
3561 return (dsl_pool_scrub_clean(spa->spa_dsl_pool)); |
|
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3562 } else if (type == POOL_SCRUB_NONE) { |
|
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|
3563 return (dsl_pool_scrub_cancel(spa->spa_dsl_pool)); |
| 1544 | 3564 } else { |
|
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|
3565 return (EINVAL); |
| 1544 | 3566 } |
| 789 | 3567 } |
| 3568 | |
| 1544 | 3569 /* |
| 3570 * ========================================================================== | |
| 3571 * SPA async task processing | |
| 3572 * ========================================================================== | |
| 3573 */ | |
| 3574 | |
| 3575 static void | |
| 4451 | 3576 spa_async_remove(spa_t *spa, vdev_t *vd) |
| 789 | 3577 { |
|
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|
3578 if (vd->vdev_remove_wanted) { |
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|
3579 vd->vdev_remove_wanted = 0; |
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|
3580 vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE); |
|
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|
3581 vdev_clear(spa, vd); |
|
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|
3582 vdev_state_dirty(vd->vdev_top); |
| 1544 | 3583 } |
|
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|
3584 |
|
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|
3585 for (int c = 0; c < vd->vdev_children; c++) |
|
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|
3586 spa_async_remove(spa, vd->vdev_child[c]); |
| 1544 | 3587 } |
| 3588 | |
| 3589 static void | |
|
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|
3590 spa_async_probe(spa_t *spa, vdev_t *vd) |
|
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|
3591 { |
|
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|
3592 if (vd->vdev_probe_wanted) { |
|
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|
3593 vd->vdev_probe_wanted = 0; |
|
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|
3594 vdev_reopen(vd); /* vdev_open() does the actual probe */ |
|
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|
3595 } |
|
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|
3596 |
|
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|
3597 for (int c = 0; c < vd->vdev_children; c++) |
|
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|
3598 spa_async_probe(spa, vd->vdev_child[c]); |
|
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|
3599 } |
|
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|
3600 |
|
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|
3601 static void |
| 1544 | 3602 spa_async_thread(spa_t *spa) |
| 3603 { | |
|
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|
3604 int tasks; |
| 1544 | 3605 |
| 3606 ASSERT(spa->spa_sync_on); | |
| 789 | 3607 |
| 1544 | 3608 mutex_enter(&spa->spa_async_lock); |
| 3609 tasks = spa->spa_async_tasks; | |
| 3610 spa->spa_async_tasks = 0; | |
| 3611 mutex_exit(&spa->spa_async_lock); | |
| 3612 | |
| 3613 /* | |
|
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|
3614 * See if the config needs to be updated. |
|
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|
3615 */ |
|
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|
3616 if (tasks & SPA_ASYNC_CONFIG_UPDATE) { |
|
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|
3617 mutex_enter(&spa_namespace_lock); |
|
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|
3618 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
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|
3619 mutex_exit(&spa_namespace_lock); |
|
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|
3620 } |
|
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|
3621 |
|
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|
3622 /* |
| 4451 | 3623 * See if any devices need to be marked REMOVED. |
| 1544 | 3624 */ |
|
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|
3625 if (tasks & SPA_ASYNC_REMOVE) { |
|
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|
3626 spa_vdev_state_enter(spa); |
| 4451 | 3627 spa_async_remove(spa, spa->spa_root_vdev); |
|
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|
3628 for (int i = 0; i < spa->spa_l2cache.sav_count; i++) |
|
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|
3629 spa_async_remove(spa, spa->spa_l2cache.sav_vdevs[i]); |
|
7754
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diff
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|
3630 for (int i = 0; i < spa->spa_spares.sav_count; i++) |
|
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diff
changeset
|
3631 spa_async_remove(spa, spa->spa_spares.sav_vdevs[i]); |
|
7754
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|
3632 (void) spa_vdev_state_exit(spa, NULL, 0); |
|
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|
3633 } |
|
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|
3634 |
|
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|
3635 /* |
|
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|
3636 * See if any devices need to be probed. |
|
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|
3637 */ |
|
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diff
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|
3638 if (tasks & SPA_ASYNC_PROBE) { |
|
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|
3639 spa_vdev_state_enter(spa); |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
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|
3640 spa_async_probe(spa, spa->spa_root_vdev); |
|
b80e4842ad54
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diff
changeset
|
3641 (void) spa_vdev_state_exit(spa, NULL, 0); |
| 4451 | 3642 } |
| 1544 | 3643 |
| 3644 /* | |
| 3645 * If any devices are done replacing, detach them. | |
| 3646 */ | |
| 4451 | 3647 if (tasks & SPA_ASYNC_RESILVER_DONE) |
| 3648 spa_vdev_resilver_done(spa); | |
| 789 | 3649 |
| 1544 | 3650 /* |
| 3651 * Kick off a resilver. | |
| 3652 */ | |
|
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|
3653 if (tasks & SPA_ASYNC_RESILVER) |
|
361307ae060d
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diff
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|
3654 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER) == 0); |
| 1544 | 3655 |
| 3656 /* | |
| 3657 * Let the world know that we're done. | |
| 3658 */ | |
| 3659 mutex_enter(&spa->spa_async_lock); | |
| 3660 spa->spa_async_thread = NULL; | |
| 3661 cv_broadcast(&spa->spa_async_cv); | |
| 3662 mutex_exit(&spa->spa_async_lock); | |
| 3663 thread_exit(); | |
| 3664 } | |
| 3665 | |
| 3666 void | |
| 3667 spa_async_suspend(spa_t *spa) | |
| 3668 { | |
| 3669 mutex_enter(&spa->spa_async_lock); | |
| 3670 spa->spa_async_suspended++; | |
| 3671 while (spa->spa_async_thread != NULL) | |
| 3672 cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); | |
| 3673 mutex_exit(&spa->spa_async_lock); | |
| 3674 } | |
| 3675 | |
| 3676 void | |
| 3677 spa_async_resume(spa_t *spa) | |
| 3678 { | |
| 3679 mutex_enter(&spa->spa_async_lock); | |
| 3680 ASSERT(spa->spa_async_suspended != 0); | |
| 3681 spa->spa_async_suspended--; | |
| 3682 mutex_exit(&spa->spa_async_lock); | |
| 3683 } | |
| 3684 | |
| 3685 static void | |
| 3686 spa_async_dispatch(spa_t *spa) | |
| 3687 { | |
| 3688 mutex_enter(&spa->spa_async_lock); | |
| 3689 if (spa->spa_async_tasks && !spa->spa_async_suspended && | |
|
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|
3690 spa->spa_async_thread == NULL && |
|
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diff
changeset
|
3691 rootdir != NULL && !vn_is_readonly(rootdir)) |
| 1544 | 3692 spa->spa_async_thread = thread_create(NULL, 0, |
| 3693 spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); | |
| 3694 mutex_exit(&spa->spa_async_lock); | |
| 3695 } | |
| 3696 | |
| 3697 void | |
| 3698 spa_async_request(spa_t *spa, int task) | |
| 3699 { | |
| 3700 mutex_enter(&spa->spa_async_lock); | |
| 3701 spa->spa_async_tasks |= task; | |
| 3702 mutex_exit(&spa->spa_async_lock); | |
| 789 | 3703 } |
| 3704 | |
| 3705 /* | |
| 3706 * ========================================================================== | |
| 3707 * SPA syncing routines | |
| 3708 * ========================================================================== | |
| 3709 */ | |
| 3710 | |
| 3711 static void | |
| 3712 spa_sync_deferred_frees(spa_t *spa, uint64_t txg) | |
| 3713 { | |
| 3714 bplist_t *bpl = &spa->spa_sync_bplist; | |
| 3715 dmu_tx_t *tx; | |
| 3716 blkptr_t blk; | |
| 3717 uint64_t itor = 0; | |
| 3718 zio_t *zio; | |
| 3719 int error; | |
| 3720 uint8_t c = 1; | |
| 3721 | |
|
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|
3722 zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); |
|
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3723 |
|
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|
3724 while (bplist_iterate(bpl, &itor, &blk) == 0) { |
|
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|
3725 ASSERT(blk.blk_birth < txg); |
|
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|
3726 zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL, |
|
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3727 ZIO_FLAG_MUSTSUCCEED)); |
|
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|
3728 } |
| 789 | 3729 |
| 3730 error = zio_wait(zio); | |
| 3731 ASSERT3U(error, ==, 0); | |
| 3732 | |
| 3733 tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); | |
| 3734 bplist_vacate(bpl, tx); | |
| 3735 | |
| 3736 /* | |
| 3737 * Pre-dirty the first block so we sync to convergence faster. | |
| 3738 * (Usually only the first block is needed.) | |
| 3739 */ | |
| 3740 dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); | |
| 3741 dmu_tx_commit(tx); | |
| 3742 } | |
| 3743 | |
| 3744 static void | |
| 2082 | 3745 spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
| 3746 { | |
| 3747 char *packed = NULL; | |
|
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diff
changeset
|
3748 size_t bufsize; |
| 2082 | 3749 size_t nvsize = 0; |
| 3750 dmu_buf_t *db; | |
| 3751 | |
| 3752 VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); | |
| 3753 | |
|
7497
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|
3754 /* |
|
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|
3755 * Write full (SPA_CONFIG_BLOCKSIZE) blocks of configuration |
|
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|
3756 * information. This avoids the dbuf_will_dirty() path and |
|
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|
3757 * saves us a pre-read to get data we don't actually care about. |
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|
3758 */ |
|
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changeset
|
3759 bufsize = P2ROUNDUP(nvsize, SPA_CONFIG_BLOCKSIZE); |
|
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7377
diff
changeset
|
3760 packed = kmem_alloc(bufsize, KM_SLEEP); |
| 2082 | 3761 |
| 3762 VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, | |
| 3763 KM_SLEEP) == 0); | |
|
7497
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
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7377
diff
changeset
|
3764 bzero(packed + nvsize, bufsize - nvsize); |
|
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
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diff
changeset
|
3765 |
|
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|
3766 dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx); |
|
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diff
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|
3767 |
|
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|
3768 kmem_free(packed, bufsize); |
| 2082 | 3769 |
| 3770 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 3771 dmu_buf_will_dirty(db, tx); | |
| 3772 *(uint64_t *)db->db_data = nvsize; | |
| 3773 dmu_buf_rele(db, FTAG); | |
| 3774 } | |
| 3775 | |
| 3776 static void | |
| 5450 | 3777 spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, |
| 3778 const char *config, const char *entry) | |
| 2082 | 3779 { |
| 3780 nvlist_t *nvroot; | |
| 5450 | 3781 nvlist_t **list; |
| 2082 | 3782 int i; |
| 3783 | |
| 5450 | 3784 if (!sav->sav_sync) |
| 2082 | 3785 return; |
| 3786 | |
| 3787 /* | |
| 5450 | 3788 * Update the MOS nvlist describing the list of available devices. |
| 3789 * spa_validate_aux() will have already made sure this nvlist is | |
| 4451 | 3790 * valid and the vdevs are labeled appropriately. |
| 2082 | 3791 */ |
| 5450 | 3792 if (sav->sav_object == 0) { |
| 3793 sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 3794 DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, | |
| 3795 sizeof (uint64_t), tx); | |
| 2082 | 3796 VERIFY(zap_update(spa->spa_meta_objset, |
| 5450 | 3797 DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, |
| 3798 &sav->sav_object, tx) == 0); | |
| 2082 | 3799 } |
| 3800 | |
| 3801 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 5450 | 3802 if (sav->sav_count == 0) { |
| 3803 VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); | |
| 2082 | 3804 } else { |
| 5450 | 3805 list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
| 3806 for (i = 0; i < sav->sav_count; i++) | |
| 3807 list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], | |
| 3808 B_FALSE, B_FALSE, B_TRUE); | |
| 3809 VERIFY(nvlist_add_nvlist_array(nvroot, config, list, | |
| 3810 sav->sav_count) == 0); | |
| 3811 for (i = 0; i < sav->sav_count; i++) | |
| 3812 nvlist_free(list[i]); | |
| 3813 kmem_free(list, sav->sav_count * sizeof (void *)); | |
| 2082 | 3814 } |
| 3815 | |
| 5450 | 3816 spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); |
| 2926 | 3817 nvlist_free(nvroot); |
| 2082 | 3818 |
| 5450 | 3819 sav->sav_sync = B_FALSE; |
| 2082 | 3820 } |
| 3821 | |
| 3822 static void | |
| 789 | 3823 spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
| 3824 { | |
| 3825 nvlist_t *config; | |
| 3826 | |
|
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|
3827 if (list_is_empty(&spa->spa_config_dirty_list)) |
| 789 | 3828 return; |
| 3829 | |
|
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|
3830 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
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3831 |
|
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|
3832 config = spa_config_generate(spa, spa->spa_root_vdev, |
|
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|
3833 dmu_tx_get_txg(tx), B_FALSE); |
|
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|
3834 |
|
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|
3835 spa_config_exit(spa, SCL_STATE, FTAG); |
| 789 | 3836 |
|
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|
3837 if (spa->spa_config_syncing) |
|
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diff
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|
3838 nvlist_free(spa->spa_config_syncing); |
|
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diff
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|
3839 spa->spa_config_syncing = config; |
| 789 | 3840 |
| 2082 | 3841 spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
| 789 | 3842 } |
| 3843 | |
| 5094 | 3844 /* |
| 3845 * Set zpool properties. | |
| 3846 */ | |
| 3912 | 3847 static void |
| 4543 | 3848 spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
| 3912 | 3849 { |
| 3850 spa_t *spa = arg1; | |
| 5094 | 3851 objset_t *mos = spa->spa_meta_objset; |
| 3912 | 3852 nvlist_t *nvp = arg2; |
| 5094 | 3853 nvpair_t *elem; |
| 4451 | 3854 uint64_t intval; |
|
6643
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|
3855 char *strval; |
| 5094 | 3856 zpool_prop_t prop; |
| 3857 const char *propname; | |
| 3858 zprop_type_t proptype; | |
| 3859 | |
|
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|
3860 mutex_enter(&spa->spa_props_lock); |
|
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|
3861 |
| 5094 | 3862 elem = NULL; |
| 3863 while ((elem = nvlist_next_nvpair(nvp, elem))) { | |
| 3864 switch (prop = zpool_name_to_prop(nvpair_name(elem))) { | |
| 3865 case ZPOOL_PROP_VERSION: | |
| 3866 /* | |
| 3867 * Only set version for non-zpool-creation cases | |
| 3868 * (set/import). spa_create() needs special care | |
| 3869 * for version setting. | |
| 3870 */ | |
| 3871 if (tx->tx_txg != TXG_INITIAL) { | |
| 3872 VERIFY(nvpair_value_uint64(elem, | |
| 3873 &intval) == 0); | |
| 3874 ASSERT(intval <= SPA_VERSION); | |
| 3875 ASSERT(intval >= spa_version(spa)); | |
| 3876 spa->spa_uberblock.ub_version = intval; | |
| 3877 vdev_config_dirty(spa->spa_root_vdev); | |
| 3878 } | |
| 3879 break; | |
| 3880 | |
| 3881 case ZPOOL_PROP_ALTROOT: | |
| 3882 /* | |
| 3883 * 'altroot' is a non-persistent property. It should | |
| 3884 * have been set temporarily at creation or import time. | |
| 3885 */ | |
| 3886 ASSERT(spa->spa_root != NULL); | |
| 3887 break; | |
| 3888 | |
| 5363 | 3889 case ZPOOL_PROP_CACHEFILE: |
| 5094 | 3890 /* |
|
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changeset
|
3891 * 'cachefile' is also a non-persisitent property. |
| 5094 | 3892 */ |
| 4543 | 3893 break; |
| 5094 | 3894 default: |
| 3895 /* | |
| 3896 * Set pool property values in the poolprops mos object. | |
| 3897 */ | |
| 3898 if (spa->spa_pool_props_object == 0) { | |
| 3899 objset_t *mos = spa->spa_meta_objset; | |
| 3900 | |
| 3901 VERIFY((spa->spa_pool_props_object = | |
| 3902 zap_create(mos, DMU_OT_POOL_PROPS, | |
| 3903 DMU_OT_NONE, 0, tx)) > 0); | |
| 3904 | |
| 3905 VERIFY(zap_update(mos, | |
| 3906 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, | |
| 3907 8, 1, &spa->spa_pool_props_object, tx) | |
| 3908 == 0); | |
| 3909 } | |
| 3910 | |
| 3911 /* normalize the property name */ | |
| 3912 propname = zpool_prop_to_name(prop); | |
| 3913 proptype = zpool_prop_get_type(prop); | |
| 3914 | |
| 3915 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 3916 ASSERT(proptype == PROP_TYPE_STRING); | |
| 3917 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 3918 VERIFY(zap_update(mos, | |
| 3919 spa->spa_pool_props_object, propname, | |
| 3920 1, strlen(strval) + 1, strval, tx) == 0); | |
| 3921 | |
| 3922 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { | |
| 3923 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 3924 | |
| 3925 if (proptype == PROP_TYPE_INDEX) { | |
| 3926 const char *unused; | |
| 3927 VERIFY(zpool_prop_index_to_string( | |
| 3928 prop, intval, &unused) == 0); | |
| 3929 } | |
| 3930 VERIFY(zap_update(mos, | |
| 3931 spa->spa_pool_props_object, propname, | |
| 3932 8, 1, &intval, tx) == 0); | |
| 3933 } else { | |
| 3934 ASSERT(0); /* not allowed */ | |
| 3935 } | |
| 3936 | |
| 5329 | 3937 switch (prop) { |
| 3938 case ZPOOL_PROP_DELEGATION: | |
| 5094 | 3939 spa->spa_delegation = intval; |
| 5329 | 3940 break; |
| 3941 case ZPOOL_PROP_BOOTFS: | |
| 5094 | 3942 spa->spa_bootfs = intval; |
| 5329 | 3943 break; |
| 3944 case ZPOOL_PROP_FAILUREMODE: | |
| 3945 spa->spa_failmode = intval; | |
| 3946 break; | |
| 3947 default: | |
| 3948 break; | |
| 3949 } | |
| 3912 | 3950 } |
| 5094 | 3951 |
| 3952 /* log internal history if this is not a zpool create */ | |
| 3953 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && | |
| 3954 tx->tx_txg != TXG_INITIAL) { | |
| 3955 spa_history_internal_log(LOG_POOL_PROPSET, | |
| 3956 spa, tx, cr, "%s %lld %s", | |
|
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3957 nvpair_name(elem), intval, spa_name(spa)); |
| 5094 | 3958 } |
| 3912 | 3959 } |
|
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3960 |
|
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|
3961 mutex_exit(&spa->spa_props_lock); |
| 3912 | 3962 } |
| 3963 | |
| 789 | 3964 /* |
| 3965 * Sync the specified transaction group. New blocks may be dirtied as | |
| 3966 * part of the process, so we iterate until it converges. | |
| 3967 */ | |
| 3968 void | |
| 3969 spa_sync(spa_t *spa, uint64_t txg) | |
| 3970 { | |
| 3971 dsl_pool_t *dp = spa->spa_dsl_pool; | |
| 3972 objset_t *mos = spa->spa_meta_objset; | |
| 3973 bplist_t *bpl = &spa->spa_sync_bplist; | |
|
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3974 vdev_t *rvd = spa->spa_root_vdev; |
| 789 | 3975 vdev_t *vd; |
| 3976 dmu_tx_t *tx; | |
| 3977 int dirty_vdevs; | |
|
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|
3978 int error; |
| 789 | 3979 |
| 3980 /* | |
| 3981 * Lock out configuration changes. | |
| 3982 */ | |
|
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|
3983 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
| 789 | 3984 |
| 3985 spa->spa_syncing_txg = txg; | |
| 3986 spa->spa_sync_pass = 0; | |
| 3987 | |
|
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3988 /* |
|
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3989 * If there are any pending vdev state changes, convert them |
|
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|
3990 * into config changes that go out with this transaction group. |
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3991 */ |
|
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3992 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
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3993 while (list_head(&spa->spa_state_dirty_list) != NULL) { |
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3994 /* |
|
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3995 * We need the write lock here because, for aux vdevs, |
|
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3996 * calling vdev_config_dirty() modifies sav_config. |
|
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3997 * This is ugly and will become unnecessary when we |
|
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3998 * eliminate the aux vdev wart by integrating all vdevs |
|
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3999 * into the root vdev tree. |
|
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4000 */ |
|
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4001 spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG); |
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4002 spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_WRITER); |
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4003 while ((vd = list_head(&spa->spa_state_dirty_list)) != NULL) { |
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4004 vdev_state_clean(vd); |
|
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4005 vdev_config_dirty(vd); |
|
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4006 } |
|
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4007 spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG); |
|
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4008 spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_READER); |
|
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4009 } |
|
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4010 spa_config_exit(spa, SCL_STATE, FTAG); |
|
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4011 |
| 1544 | 4012 VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
| 789 | 4013 |
| 2082 | 4014 tx = dmu_tx_create_assigned(dp, txg); |
| 4015 | |
| 4016 /* | |
| 4577 | 4017 * If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
| 2082 | 4018 * set spa_deflate if we have no raid-z vdevs. |
| 4019 */ | |
| 4577 | 4020 if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
| 4021 spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2082 | 4022 int i; |
| 4023 | |
| 4024 for (i = 0; i < rvd->vdev_children; i++) { | |
| 4025 vd = rvd->vdev_child[i]; | |
| 4026 if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) | |
| 4027 break; | |
| 4028 } | |
| 4029 if (i == rvd->vdev_children) { | |
| 4030 spa->spa_deflate = TRUE; | |
| 4031 VERIFY(0 == zap_add(spa->spa_meta_objset, | |
| 4032 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 4033 sizeof (uint64_t), 1, &spa->spa_deflate, tx)); | |
| 4034 } | |
| 4035 } | |
| 4036 | |
|
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4037 if (spa->spa_ubsync.ub_version < SPA_VERSION_ORIGIN && |
|
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4038 spa->spa_uberblock.ub_version >= SPA_VERSION_ORIGIN) { |
|
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|
4039 dsl_pool_create_origin(dp, tx); |
|
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7042
diff
changeset
|
4040 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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diff
changeset
|
4041 /* Keeping the origin open increases spa_minref */ |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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parents:
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diff
changeset
|
4042 spa->spa_minref += 3; |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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parents:
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diff
changeset
|
4043 } |
|
361307ae060d
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diff
changeset
|
4044 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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diff
changeset
|
4045 if (spa->spa_ubsync.ub_version < SPA_VERSION_NEXT_CLONES && |
|
361307ae060d
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diff
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|
4046 spa->spa_uberblock.ub_version >= SPA_VERSION_NEXT_CLONES) { |
|
361307ae060d
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diff
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|
4047 dsl_pool_upgrade_clones(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
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parents:
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diff
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|
4048 } |
|
361307ae060d
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diff
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|
4049 |
| 789 | 4050 /* |
| 4051 * If anything has changed in this txg, push the deferred frees | |
| 4052 * from the previous txg. If not, leave them alone so that we | |
| 4053 * don't generate work on an otherwise idle system. | |
| 4054 */ | |
| 4055 if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || | |
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4056 !txg_list_empty(&dp->dp_dirty_dirs, txg) || |
|
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
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diff
changeset
|
4057 !txg_list_empty(&dp->dp_sync_tasks, txg)) |
| 789 | 4058 spa_sync_deferred_frees(spa, txg); |
| 4059 | |
| 4060 /* | |
| 4061 * Iterate to convergence. | |
| 4062 */ | |
| 4063 do { | |
| 4064 spa->spa_sync_pass++; | |
| 4065 | |
| 4066 spa_sync_config_object(spa, tx); | |
| 5450 | 4067 spa_sync_aux_dev(spa, &spa->spa_spares, tx, |
| 4068 ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); | |
| 4069 spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, | |
| 4070 ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); | |
| 1544 | 4071 spa_errlog_sync(spa, txg); |
| 789 | 4072 dsl_pool_sync(dp, txg); |
| 4073 | |
| 4074 dirty_vdevs = 0; | |
| 4075 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) { | |
| 4076 vdev_sync(vd, txg); | |
| 4077 dirty_vdevs++; | |
| 4078 } | |
| 4079 | |
| 4080 bplist_sync(bpl, tx); | |
| 4081 } while (dirty_vdevs); | |
| 4082 | |
| 4083 bplist_close(bpl); | |
| 4084 | |
| 4085 dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass); | |
| 4086 | |
| 4087 /* | |
| 4088 * Rewrite the vdev configuration (which includes the uberblock) | |
| 4089 * to commit the transaction group. | |
|
1635
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diff
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|
4090 * |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
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diff
changeset
|
4091 * If there are no dirty vdevs, we sync the uberblock to a few |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
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diff
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|
4092 * random top-level vdevs that are known to be visible in the |
|
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diff
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|
4093 * config cache (see spa_vdev_add() for a complete description). |
|
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diff
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|
4094 * If there *are* dirty vdevs, sync the uberblock to all vdevs. |
| 789 | 4095 */ |
|
7754
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diff
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|
4096 for (;;) { |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4097 /* |
|
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|
4098 * We hold SCL_STATE to prevent vdev open/close/etc. |
|
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|
4099 * while we're attempting to write the vdev labels. |
|
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|
4100 */ |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4101 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
|
b80e4842ad54
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|
4102 |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4103 if (list_is_empty(&spa->spa_config_dirty_list)) { |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4104 vdev_t *svd[SPA_DVAS_PER_BP]; |
|
b80e4842ad54
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|
4105 int svdcount = 0; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4106 int children = rvd->vdev_children; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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changeset
|
4107 int c0 = spa_get_random(children); |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4108 int c; |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4109 |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
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diff
changeset
|
4110 for (c = 0; c < children; c++) { |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
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|
4111 vd = rvd->vdev_child[(c0 + c) % children]; |
|
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diff
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|
4112 if (vd->vdev_ms_array == 0 || vd->vdev_islog) |
|
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|
4113 continue; |
|
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|
4114 svd[svdcount++] = vd; |
|
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6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4115 if (svdcount == SPA_DVAS_PER_BP) |
|
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|
4116 break; |
|
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|
4117 } |
|
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|
4118 error = vdev_config_sync(svd, svdcount, txg); |
|
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|
4119 } else { |
|
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diff
changeset
|
4120 error = vdev_config_sync(rvd->vdev_child, |
|
b80e4842ad54
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diff
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|
4121 rvd->vdev_children, txg); |
|
1635
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|
4122 } |
|
7754
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diff
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|
4123 |
|
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diff
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|
4124 spa_config_exit(spa, SCL_STATE, FTAG); |
|
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|
4125 |
|
b80e4842ad54
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parents:
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diff
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|
4126 if (error == 0) |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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|
4127 break; |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
changeset
|
4128 zio_suspend(spa, NULL); |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
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diff
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|
4129 zio_resume_wait(spa); |
|
1635
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6398664 zpool detach: missing argument to error message causes core dump
bonwick
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diff
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|
4130 } |
| 2082 | 4131 dmu_tx_commit(tx); |
| 4132 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
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diff
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|
4133 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4134 * Clear the dirty config list. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
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1601
diff
changeset
|
4135 */ |
|
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
|
4136 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
|
4137 vdev_config_clean(vd); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4138 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4139 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
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1601
diff
changeset
|
4140 * 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
|
4141 * 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
|
4142 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4143 if (spa->spa_config_syncing != NULL) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4144 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
|
4145 spa->spa_config_txg = txg; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4146 spa->spa_config_syncing = NULL; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
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diff
changeset
|
4147 } |
| 789 | 4148 |
| 4149 spa->spa_ubsync = spa->spa_uberblock; | |
| 4150 | |
| 4151 /* | |
| 4152 * Clean up the ZIL records for the synced txg. | |
| 4153 */ | |
| 4154 dsl_pool_zil_clean(dp); | |
| 4155 | |
| 4156 /* | |
| 4157 * Update usable space statistics. | |
| 4158 */ | |
| 4159 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) | |
| 4160 vdev_sync_done(vd, txg); | |
| 4161 | |
| 4162 /* | |
| 4163 * It had better be the case that we didn't dirty anything | |
| 2082 | 4164 * since vdev_config_sync(). |
| 789 | 4165 */ |
| 4166 ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); | |
| 4167 ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); | |
| 4168 ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); | |
| 4169 ASSERT(bpl->bpl_queue == NULL); | |
| 4170 | |
|
7754
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|
4171 spa_config_exit(spa, SCL_CONFIG, FTAG); |
| 1544 | 4172 |
| 4173 /* | |
| 4174 * If any async tasks have been requested, kick them off. | |
| 4175 */ | |
| 4176 spa_async_dispatch(spa); | |
| 789 | 4177 } |
| 4178 | |
| 4179 /* | |
| 4180 * Sync all pools. We don't want to hold the namespace lock across these | |
| 4181 * operations, so we take a reference on the spa_t and drop the lock during the | |
| 4182 * sync. | |
| 4183 */ | |
| 4184 void | |
| 4185 spa_sync_allpools(void) | |
| 4186 { | |
| 4187 spa_t *spa = NULL; | |
| 4188 mutex_enter(&spa_namespace_lock); | |
| 4189 while ((spa = spa_next(spa)) != NULL) { | |
|
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|
4190 if (spa_state(spa) != POOL_STATE_ACTIVE || spa_suspended(spa)) |
| 789 | 4191 continue; |
| 4192 spa_open_ref(spa, FTAG); | |
| 4193 mutex_exit(&spa_namespace_lock); | |
| 4194 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 4195 mutex_enter(&spa_namespace_lock); | |
| 4196 spa_close(spa, FTAG); | |
| 4197 } | |
| 4198 mutex_exit(&spa_namespace_lock); | |
| 4199 } | |
| 4200 | |
| 4201 /* | |
| 4202 * ========================================================================== | |
| 4203 * Miscellaneous routines | |
| 4204 * ========================================================================== | |
| 4205 */ | |
| 4206 | |
| 4207 /* | |
| 4208 * Remove all pools in the system. | |
| 4209 */ | |
| 4210 void | |
| 4211 spa_evict_all(void) | |
| 4212 { | |
| 4213 spa_t *spa; | |
| 4214 | |
| 4215 /* | |
| 4216 * Remove all cached state. All pools should be closed now, | |
| 4217 * so every spa in the AVL tree should be unreferenced. | |
| 4218 */ | |
| 4219 mutex_enter(&spa_namespace_lock); | |
| 4220 while ((spa = spa_next(NULL)) != NULL) { | |
| 4221 /* | |
| 1544 | 4222 * Stop async tasks. The async thread may need to detach |
| 4223 * a device that's been replaced, which requires grabbing | |
| 4224 * spa_namespace_lock, so we must drop it here. | |
| 789 | 4225 */ |
| 4226 spa_open_ref(spa, FTAG); | |
| 4227 mutex_exit(&spa_namespace_lock); | |
| 1544 | 4228 spa_async_suspend(spa); |
| 4808 | 4229 mutex_enter(&spa_namespace_lock); |
| 789 | 4230 spa_close(spa, FTAG); |
| 4231 | |
| 4232 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { | |
| 4233 spa_unload(spa); | |
| 4234 spa_deactivate(spa); | |
| 4235 } | |
| 4236 spa_remove(spa); | |
| 4237 } | |
| 4238 mutex_exit(&spa_namespace_lock); | |
| 4239 } | |
| 1544 | 4240 |
| 4241 vdev_t * | |
|
6643
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changeset
|
4242 spa_lookup_by_guid(spa_t *spa, uint64_t guid, boolean_t l2cache) |
| 1544 | 4243 { |
|
6643
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|
4244 vdev_t *vd; |
|
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diff
changeset
|
4245 int i; |
|
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|
4246 |
|
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diff
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|
4247 if ((vd = vdev_lookup_by_guid(spa->spa_root_vdev, guid)) != NULL) |
|
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|
4248 return (vd); |
|
3a34b0dbb107
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6615
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|
4249 |
|
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|
4250 if (l2cache) { |
|
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6615
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changeset
|
4251 for (i = 0; i < spa->spa_l2cache.sav_count; i++) { |
|
3a34b0dbb107
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|
4252 vd = spa->spa_l2cache.sav_vdevs[i]; |
|
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|
4253 if (vd->vdev_guid == guid) |
|
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diff
changeset
|
4254 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4255 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4256 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4257 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4258 return (NULL); |
| 1544 | 4259 } |
| 1760 | 4260 |
| 4261 void | |
| 5094 | 4262 spa_upgrade(spa_t *spa, uint64_t version) |
| 1760 | 4263 { |
|
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
|
4264 spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
| 1760 | 4265 |
| 4266 /* | |
| 4267 * This should only be called for a non-faulted pool, and since a | |
| 4268 * future version would result in an unopenable pool, this shouldn't be | |
| 4269 * possible. | |
| 4270 */ | |
| 4577 | 4271 ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
| 5094 | 4272 ASSERT(version >= spa->spa_uberblock.ub_version); |
| 4273 | |
| 4274 spa->spa_uberblock.ub_version = version; | |
| 1760 | 4275 vdev_config_dirty(spa->spa_root_vdev); |
| 4276 | |
|
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
|
4277 spa_config_exit(spa, SCL_ALL, FTAG); |
| 2082 | 4278 |
| 4279 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 1760 | 4280 } |
| 2082 | 4281 |
| 4282 boolean_t | |
| 4283 spa_has_spare(spa_t *spa, uint64_t guid) | |
| 4284 { | |
| 4285 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4286 uint64_t spareguid; |
| 5450 | 4287 spa_aux_vdev_t *sav = &spa->spa_spares; |
| 4288 | |
| 4289 for (i = 0; i < sav->sav_count; i++) | |
| 4290 if (sav->sav_vdevs[i]->vdev_guid == guid) | |
| 2082 | 4291 return (B_TRUE); |
| 4292 | |
| 5450 | 4293 for (i = 0; i < sav->sav_npending; i++) { |
| 4294 if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, | |
| 4295 &spareguid) == 0 && spareguid == guid) | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4296 return (B_TRUE); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4297 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4298 |
| 2082 | 4299 return (B_FALSE); |
| 4300 } | |
| 3912 | 4301 |
| 4451 | 4302 /* |
|
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
|
4303 * 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
|
4304 * 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
|
4305 */ |
|
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
|
4306 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
|
4307 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
|
4308 { |
|
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
|
4309 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
|
4310 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
|
4311 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
|
4312 |
|
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
|
4313 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
|
4314 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
|
4315 &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
|
4316 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
|
4317 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
|
4318 } |
|
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
|
4319 |
|
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
|
4320 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
|
4321 } |
|
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
|
4322 |
|
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
|
4323 /* |
| 4451 | 4324 * Post a sysevent corresponding to the given event. The 'name' must be one of |
| 4325 * the event definitions in sys/sysevent/eventdefs.h. The payload will be | |
| 4326 * filled in from the spa and (optionally) the vdev. This doesn't do anything | |
| 4327 * in the userland libzpool, as we don't want consumers to misinterpret ztest | |
| 4328 * or zdb as real changes. | |
| 4329 */ | |
| 4330 void | |
| 4331 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) | |
| 4332 { | |
| 4333 #ifdef _KERNEL | |
| 4334 sysevent_t *ev; | |
| 4335 sysevent_attr_list_t *attr = NULL; | |
| 4336 sysevent_value_t value; | |
| 4337 sysevent_id_t eid; | |
| 4338 | |
| 4339 ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", | |
| 4340 SE_SLEEP); | |
| 4341 | |
| 4342 value.value_type = SE_DATA_TYPE_STRING; | |
| 4343 value.value.sv_string = spa_name(spa); | |
| 4344 if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) | |
| 4345 goto done; | |
| 4346 | |
| 4347 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4348 value.value.sv_uint64 = spa_guid(spa); | |
| 4349 if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) | |
| 4350 goto done; | |
| 4351 | |
| 4352 if (vd) { | |
| 4353 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4354 value.value.sv_uint64 = vd->vdev_guid; | |
| 4355 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, | |
| 4356 SE_SLEEP) != 0) | |
| 4357 goto done; | |
| 4358 | |
| 4359 if (vd->vdev_path) { | |
| 4360 value.value_type = SE_DATA_TYPE_STRING; | |
| 4361 value.value.sv_string = vd->vdev_path; | |
| 4362 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, | |
| 4363 &value, SE_SLEEP) != 0) | |
| 4364 goto done; | |
| 4365 } | |
| 4366 } | |
| 4367 | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4368 if (sysevent_attach_attributes(ev, attr) != 0) |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4369 goto done; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4370 attr = NULL; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4371 |
| 4451 | 4372 (void) log_sysevent(ev, SE_SLEEP, &eid); |
| 4373 | |
| 4374 done: | |
| 4375 if (attr) | |
| 4376 sysevent_free_attr(attr); | |
| 4377 sysevent_free(ev); | |
| 4378 #endif | |
| 4379 } |