Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/spa.c @ 5913:a77f8ad2ce63
6575965 panic/thread=2a1016b5ca0: BAD TRAP: type=9 rp=1858500 addr=0 mmu_fsr=0, really, truly out of space
6600361 some kcondvars in the ZIL aren't being init'd/destroyed
| author | perrin |
|---|---|
| date | Fri, 25 Jan 2008 14:29:11 -0800 |
| parents | fe556dc3c14d |
| children | 02e692d1cb28 |
| 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 /* |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. |
| 789 | 24 * Use is subject to license terms. |
| 25 */ | |
| 26 | |
| 27 #pragma ident "%Z%%M% %I% %E% SMI" | |
| 28 | |
| 29 /* | |
| 30 * This file contains all the routines used when modifying on-disk SPA state. | |
| 31 * This includes opening, importing, destroying, exporting a pool, and syncing a | |
| 32 * pool. | |
| 33 */ | |
| 34 | |
| 35 #include <sys/zfs_context.h> | |
| 1544 | 36 #include <sys/fm/fs/zfs.h> |
| 789 | 37 #include <sys/spa_impl.h> |
| 38 #include <sys/zio.h> | |
| 39 #include <sys/zio_checksum.h> | |
| 40 #include <sys/zio_compress.h> | |
| 41 #include <sys/dmu.h> | |
| 42 #include <sys/dmu_tx.h> | |
| 43 #include <sys/zap.h> | |
| 44 #include <sys/zil.h> | |
| 45 #include <sys/vdev_impl.h> | |
| 46 #include <sys/metaslab.h> | |
| 47 #include <sys/uberblock_impl.h> | |
| 48 #include <sys/txg.h> | |
| 49 #include <sys/avl.h> | |
| 50 #include <sys/dmu_traverse.h> | |
| 3912 | 51 #include <sys/dmu_objset.h> |
| 789 | 52 #include <sys/unique.h> |
| 53 #include <sys/dsl_pool.h> | |
| 3912 | 54 #include <sys/dsl_dataset.h> |
| 789 | 55 #include <sys/dsl_dir.h> |
| 56 #include <sys/dsl_prop.h> | |
| 3912 | 57 #include <sys/dsl_synctask.h> |
| 789 | 58 #include <sys/fs/zfs.h> |
| 5450 | 59 #include <sys/arc.h> |
| 789 | 60 #include <sys/callb.h> |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
61 #include <sys/systeminfo.h> |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
62 #include <sys/sunddi.h> |
| 789 | 63 |
| 5094 | 64 #include "zfs_prop.h" |
|
5913
a77f8ad2ce63
6575965 panic/thread=2a1016b5ca0: BAD TRAP: type=9 rp=1858500 addr=0 mmu_fsr=0, really, truly out of space
perrin
parents:
5886
diff
changeset
|
65 #include "zfs_comutil.h" |
| 5094 | 66 |
| 2986 | 67 int zio_taskq_threads = 8; |
| 68 | |
| 5094 | 69 static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
| 70 | |
| 71 /* | |
| 72 * ========================================================================== | |
| 73 * SPA properties routines | |
| 74 * ========================================================================== | |
| 75 */ | |
| 76 | |
| 77 /* | |
| 78 * Add a (source=src, propname=propval) list to an nvlist. | |
| 79 */ | |
| 80 static int | |
| 81 spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, | |
| 82 uint64_t intval, zprop_source_t src) | |
| 83 { | |
| 84 const char *propname = zpool_prop_to_name(prop); | |
| 85 nvlist_t *propval; | |
| 86 int err = 0; | |
| 87 | |
| 88 if (err = nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP)) | |
| 89 return (err); | |
| 90 | |
| 91 if (err = nvlist_add_uint64(propval, ZPROP_SOURCE, src)) | |
| 92 goto out; | |
| 93 | |
| 94 if (strval != NULL) { | |
| 95 if (err = nvlist_add_string(propval, ZPROP_VALUE, strval)) | |
| 96 goto out; | |
| 97 } else { | |
| 98 if (err = nvlist_add_uint64(propval, ZPROP_VALUE, intval)) | |
| 99 goto out; | |
| 100 } | |
| 101 | |
| 102 err = nvlist_add_nvlist(nvl, propname, propval); | |
| 103 out: | |
| 104 nvlist_free(propval); | |
| 105 return (err); | |
| 106 } | |
| 107 | |
| 108 /* | |
| 109 * Get property values from the spa configuration. | |
| 110 */ | |
| 111 static int | |
| 112 spa_prop_get_config(spa_t *spa, nvlist_t **nvp) | |
| 113 { | |
| 114 uint64_t size = spa_get_space(spa); | |
| 115 uint64_t used = spa_get_alloc(spa); | |
| 116 uint64_t cap, version; | |
| 117 zprop_source_t src = ZPROP_SRC_NONE; | |
| 118 int err; | |
| 5363 | 119 char *cachefile; |
| 120 size_t len; | |
| 5094 | 121 |
| 122 /* | |
| 123 * readonly properties | |
| 124 */ | |
| 125 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa->spa_name, | |
| 126 0, src)) | |
| 127 return (err); | |
| 128 | |
| 129 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src)) | |
| 130 return (err); | |
| 131 | |
| 132 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src)) | |
| 133 return (err); | |
| 134 | |
| 135 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, | |
| 136 size - used, src)) | |
| 137 return (err); | |
| 138 | |
| 139 cap = (size == 0) ? 0 : (used * 100 / size); | |
| 140 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src)) | |
| 141 return (err); | |
| 142 | |
| 143 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, | |
| 144 spa_guid(spa), src)) | |
| 145 return (err); | |
| 146 | |
| 147 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, | |
| 148 spa->spa_root_vdev->vdev_state, src)) | |
| 149 return (err); | |
| 150 | |
| 151 /* | |
| 152 * settable properties that are not stored in the pool property object. | |
| 153 */ | |
| 154 version = spa_version(spa); | |
| 155 if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) | |
| 156 src = ZPROP_SRC_DEFAULT; | |
| 157 else | |
| 158 src = ZPROP_SRC_LOCAL; | |
| 159 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, | |
| 160 version, src)) | |
| 161 return (err); | |
| 162 | |
| 163 if (spa->spa_root != NULL) { | |
| 164 src = ZPROP_SRC_LOCAL; | |
| 165 if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, | |
| 166 spa->spa_root, 0, src)) | |
| 167 return (err); | |
| 168 } | |
| 169 | |
| 5363 | 170 if (spa->spa_config_dir != NULL) { |
| 171 if (strcmp(spa->spa_config_dir, "none") == 0) { | |
| 172 err = spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, | |
| 173 spa->spa_config_dir, 0, ZPROP_SRC_LOCAL); | |
| 174 } else { | |
| 175 len = strlen(spa->spa_config_dir) + | |
| 176 strlen(spa->spa_config_file) + 2; | |
| 177 cachefile = kmem_alloc(len, KM_SLEEP); | |
| 178 (void) snprintf(cachefile, len, "%s/%s", | |
| 179 spa->spa_config_dir, spa->spa_config_file); | |
| 180 err = spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, | |
| 181 cachefile, 0, ZPROP_SRC_LOCAL); | |
| 182 kmem_free(cachefile, len); | |
| 183 } | |
| 184 | |
| 185 if (err) | |
| 186 return (err); | |
| 187 } | |
| 5094 | 188 |
| 189 return (0); | |
| 190 } | |
| 191 | |
| 192 /* | |
| 193 * Get zpool property values. | |
| 194 */ | |
| 195 int | |
| 196 spa_prop_get(spa_t *spa, nvlist_t **nvp) | |
| 197 { | |
| 198 zap_cursor_t zc; | |
| 199 zap_attribute_t za; | |
| 200 objset_t *mos = spa->spa_meta_objset; | |
| 201 int err; | |
| 202 | |
| 203 if (err = nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP)) | |
| 204 return (err); | |
| 205 | |
| 206 /* | |
| 207 * Get properties from the spa config. | |
| 208 */ | |
| 209 if (err = spa_prop_get_config(spa, nvp)) | |
| 210 goto out; | |
| 211 | |
| 212 mutex_enter(&spa->spa_props_lock); | |
| 213 /* If no pool property object, no more prop to get. */ | |
| 214 if (spa->spa_pool_props_object == 0) { | |
| 215 mutex_exit(&spa->spa_props_lock); | |
| 216 return (0); | |
| 217 } | |
| 218 | |
| 219 /* | |
| 220 * Get properties from the MOS pool property object. | |
| 221 */ | |
| 222 for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); | |
| 223 (err = zap_cursor_retrieve(&zc, &za)) == 0; | |
| 224 zap_cursor_advance(&zc)) { | |
| 225 uint64_t intval = 0; | |
| 226 char *strval = NULL; | |
| 227 zprop_source_t src = ZPROP_SRC_DEFAULT; | |
| 228 zpool_prop_t prop; | |
| 229 | |
| 230 if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) | |
| 231 continue; | |
| 232 | |
| 233 switch (za.za_integer_length) { | |
| 234 case 8: | |
| 235 /* integer property */ | |
| 236 if (za.za_first_integer != | |
| 237 zpool_prop_default_numeric(prop)) | |
| 238 src = ZPROP_SRC_LOCAL; | |
| 239 | |
| 240 if (prop == ZPOOL_PROP_BOOTFS) { | |
| 241 dsl_pool_t *dp; | |
| 242 dsl_dataset_t *ds = NULL; | |
| 243 | |
| 244 dp = spa_get_dsl(spa); | |
| 245 rw_enter(&dp->dp_config_rwlock, RW_READER); | |
| 246 if (err = dsl_dataset_open_obj(dp, | |
| 247 za.za_first_integer, NULL, DS_MODE_NONE, | |
| 248 FTAG, &ds)) { | |
| 249 rw_exit(&dp->dp_config_rwlock); | |
| 250 break; | |
| 251 } | |
| 252 | |
| 253 strval = kmem_alloc( | |
| 254 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, | |
| 255 KM_SLEEP); | |
| 256 dsl_dataset_name(ds, strval); | |
| 257 dsl_dataset_close(ds, DS_MODE_NONE, FTAG); | |
| 258 rw_exit(&dp->dp_config_rwlock); | |
| 259 } else { | |
| 260 strval = NULL; | |
| 261 intval = za.za_first_integer; | |
| 262 } | |
| 263 | |
| 264 err = spa_prop_add_list(*nvp, prop, strval, | |
| 265 intval, src); | |
| 266 | |
| 267 if (strval != NULL) | |
| 268 kmem_free(strval, | |
| 269 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); | |
| 270 | |
| 271 break; | |
| 272 | |
| 273 case 1: | |
| 274 /* string property */ | |
| 275 strval = kmem_alloc(za.za_num_integers, KM_SLEEP); | |
| 276 err = zap_lookup(mos, spa->spa_pool_props_object, | |
| 277 za.za_name, 1, za.za_num_integers, strval); | |
| 278 if (err) { | |
| 279 kmem_free(strval, za.za_num_integers); | |
| 280 break; | |
| 281 } | |
| 282 err = spa_prop_add_list(*nvp, prop, strval, 0, src); | |
| 283 kmem_free(strval, za.za_num_integers); | |
| 284 break; | |
| 285 | |
| 286 default: | |
| 287 break; | |
| 288 } | |
| 289 } | |
| 290 zap_cursor_fini(&zc); | |
| 291 mutex_exit(&spa->spa_props_lock); | |
| 292 out: | |
| 293 if (err && err != ENOENT) { | |
| 294 nvlist_free(*nvp); | |
| 295 return (err); | |
| 296 } | |
| 297 | |
| 298 return (0); | |
| 299 } | |
| 300 | |
| 301 /* | |
| 302 * Validate the given pool properties nvlist and modify the list | |
| 303 * for the property values to be set. | |
| 304 */ | |
| 305 static int | |
| 306 spa_prop_validate(spa_t *spa, nvlist_t *props) | |
| 307 { | |
| 308 nvpair_t *elem; | |
| 309 int error = 0, reset_bootfs = 0; | |
| 310 uint64_t objnum; | |
| 311 | |
| 312 elem = NULL; | |
| 313 while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
| 314 zpool_prop_t prop; | |
| 315 char *propname, *strval; | |
| 316 uint64_t intval; | |
| 317 vdev_t *rvdev; | |
| 318 char *vdev_type; | |
| 319 objset_t *os; | |
| 5363 | 320 char *slash; |
| 5094 | 321 |
| 322 propname = nvpair_name(elem); | |
| 323 | |
| 324 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) | |
| 325 return (EINVAL); | |
| 326 | |
| 327 switch (prop) { | |
| 328 case ZPOOL_PROP_VERSION: | |
| 329 error = nvpair_value_uint64(elem, &intval); | |
| 330 if (!error && | |
| 331 (intval < spa_version(spa) || intval > SPA_VERSION)) | |
| 332 error = EINVAL; | |
| 333 break; | |
| 334 | |
| 335 case ZPOOL_PROP_DELEGATION: | |
| 336 case ZPOOL_PROP_AUTOREPLACE: | |
| 337 error = nvpair_value_uint64(elem, &intval); | |
| 338 if (!error && intval > 1) | |
| 339 error = EINVAL; | |
| 340 break; | |
| 341 | |
| 342 case ZPOOL_PROP_BOOTFS: | |
| 343 if (spa_version(spa) < SPA_VERSION_BOOTFS) { | |
| 344 error = ENOTSUP; | |
| 345 break; | |
| 346 } | |
| 347 | |
| 348 /* | |
| 349 * A bootable filesystem can not be on a RAIDZ pool | |
| 350 * nor a striped pool with more than 1 device. | |
| 351 */ | |
| 352 rvdev = spa->spa_root_vdev; | |
| 353 vdev_type = | |
| 354 rvdev->vdev_child[0]->vdev_ops->vdev_op_type; | |
| 355 if (rvdev->vdev_children > 1 || | |
| 356 strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 || | |
| 357 strcmp(vdev_type, VDEV_TYPE_MISSING) == 0) { | |
| 358 error = ENOTSUP; | |
| 359 break; | |
| 360 } | |
| 361 | |
| 362 reset_bootfs = 1; | |
| 363 | |
| 364 error = nvpair_value_string(elem, &strval); | |
| 365 | |
| 366 if (!error) { | |
| 367 if (strval == NULL || strval[0] == '\0') { | |
| 368 objnum = zpool_prop_default_numeric( | |
| 369 ZPOOL_PROP_BOOTFS); | |
| 370 break; | |
| 371 } | |
| 372 | |
| 373 if (error = dmu_objset_open(strval, DMU_OST_ZFS, | |
| 374 DS_MODE_STANDARD | DS_MODE_READONLY, &os)) | |
| 375 break; | |
| 376 objnum = dmu_objset_id(os); | |
| 377 dmu_objset_close(os); | |
| 378 } | |
| 379 break; | |
| 5329 | 380 case ZPOOL_PROP_FAILUREMODE: |
| 381 error = nvpair_value_uint64(elem, &intval); | |
| 382 if (!error && (intval < ZIO_FAILURE_MODE_WAIT || | |
| 383 intval > ZIO_FAILURE_MODE_PANIC)) | |
| 384 error = EINVAL; | |
| 385 | |
| 386 /* | |
| 387 * This is a special case which only occurs when | |
| 388 * the pool has completely failed. This allows | |
| 389 * the user to change the in-core failmode property | |
| 390 * without syncing it out to disk (I/Os might | |
| 391 * currently be blocked). We do this by returning | |
| 392 * EIO to the caller (spa_prop_set) to trick it | |
| 393 * into thinking we encountered a property validation | |
| 394 * error. | |
| 395 */ | |
| 396 if (!error && spa_state(spa) == POOL_STATE_IO_FAILURE) { | |
| 397 spa->spa_failmode = intval; | |
| 398 error = EIO; | |
| 399 } | |
| 400 break; | |
| 5363 | 401 |
| 402 case ZPOOL_PROP_CACHEFILE: | |
| 403 if ((error = nvpair_value_string(elem, &strval)) != 0) | |
| 404 break; | |
| 405 | |
| 406 if (strval[0] == '\0') | |
| 407 break; | |
| 408 | |
| 409 if (strcmp(strval, "none") == 0) | |
| 410 break; | |
| 411 | |
| 412 if (strval[0] != '/') { | |
| 413 error = EINVAL; | |
| 414 break; | |
| 415 } | |
| 416 | |
| 417 slash = strrchr(strval, '/'); | |
| 418 ASSERT(slash != NULL); | |
| 419 | |
| 420 if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
| 421 strcmp(slash, "/..") == 0) | |
| 422 error = EINVAL; | |
| 423 break; | |
| 5094 | 424 } |
| 425 | |
| 426 if (error) | |
| 427 break; | |
| 428 } | |
| 429 | |
| 430 if (!error && reset_bootfs) { | |
| 431 error = nvlist_remove(props, | |
| 432 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); | |
| 433 | |
| 434 if (!error) { | |
| 435 error = nvlist_add_uint64(props, | |
| 436 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 return (error); | |
| 441 } | |
| 442 | |
| 443 int | |
| 444 spa_prop_set(spa_t *spa, nvlist_t *nvp) | |
| 445 { | |
| 446 int error; | |
| 447 | |
| 448 if ((error = spa_prop_validate(spa, nvp)) != 0) | |
| 449 return (error); | |
| 450 | |
| 451 return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, | |
| 452 spa, nvp, 3)); | |
| 453 } | |
| 454 | |
| 455 /* | |
| 456 * If the bootfs property value is dsobj, clear it. | |
| 457 */ | |
| 458 void | |
| 459 spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) | |
| 460 { | |
| 461 if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { | |
| 462 VERIFY(zap_remove(spa->spa_meta_objset, | |
| 463 spa->spa_pool_props_object, | |
| 464 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); | |
| 465 spa->spa_bootfs = 0; | |
| 466 } | |
| 467 } | |
| 468 | |
| 789 | 469 /* |
| 470 * ========================================================================== | |
| 471 * SPA state manipulation (open/create/destroy/import/export) | |
| 472 * ========================================================================== | |
| 473 */ | |
| 474 | |
| 1544 | 475 static int |
| 476 spa_error_entry_compare(const void *a, const void *b) | |
| 477 { | |
| 478 spa_error_entry_t *sa = (spa_error_entry_t *)a; | |
| 479 spa_error_entry_t *sb = (spa_error_entry_t *)b; | |
| 480 int ret; | |
| 481 | |
| 482 ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, | |
| 483 sizeof (zbookmark_t)); | |
| 484 | |
| 485 if (ret < 0) | |
| 486 return (-1); | |
| 487 else if (ret > 0) | |
| 488 return (1); | |
| 489 else | |
| 490 return (0); | |
| 491 } | |
| 492 | |
| 493 /* | |
| 494 * Utility function which retrieves copies of the current logs and | |
| 495 * re-initializes them in the process. | |
| 496 */ | |
| 497 void | |
| 498 spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) | |
| 499 { | |
| 500 ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); | |
| 501 | |
| 502 bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); | |
| 503 bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); | |
| 504 | |
| 505 avl_create(&spa->spa_errlist_scrub, | |
| 506 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 507 offsetof(spa_error_entry_t, se_avl)); | |
| 508 avl_create(&spa->spa_errlist_last, | |
| 509 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 510 offsetof(spa_error_entry_t, se_avl)); | |
| 511 } | |
| 512 | |
| 789 | 513 /* |
| 514 * Activate an uninitialized pool. | |
| 515 */ | |
| 516 static void | |
| 517 spa_activate(spa_t *spa) | |
| 518 { | |
| 519 int t; | |
| 520 | |
| 521 ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); | |
| 522 | |
| 523 spa->spa_state = POOL_STATE_ACTIVE; | |
| 524 | |
| 525 spa->spa_normal_class = metaslab_class_create(); | |
| 4527 | 526 spa->spa_log_class = metaslab_class_create(); |
| 789 | 527 |
| 528 for (t = 0; t < ZIO_TYPES; t++) { | |
| 529 spa->spa_zio_issue_taskq[t] = taskq_create("spa_zio_issue", | |
| 2986 | 530 zio_taskq_threads, maxclsyspri, 50, INT_MAX, |
| 789 | 531 TASKQ_PREPOPULATE); |
| 532 spa->spa_zio_intr_taskq[t] = taskq_create("spa_zio_intr", | |
| 2986 | 533 zio_taskq_threads, maxclsyspri, 50, INT_MAX, |
| 789 | 534 TASKQ_PREPOPULATE); |
| 535 } | |
| 536 | |
| 537 list_create(&spa->spa_dirty_list, sizeof (vdev_t), | |
| 538 offsetof(vdev_t, vdev_dirty_node)); | |
| 5329 | 539 list_create(&spa->spa_zio_list, sizeof (zio_t), |
| 540 offsetof(zio_t, zio_link_node)); | |
| 789 | 541 |
| 542 txg_list_create(&spa->spa_vdev_txg_list, | |
| 543 offsetof(struct vdev, vdev_txg_node)); | |
| 1544 | 544 |
| 545 avl_create(&spa->spa_errlist_scrub, | |
| 546 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 547 offsetof(spa_error_entry_t, se_avl)); | |
| 548 avl_create(&spa->spa_errlist_last, | |
| 549 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 550 offsetof(spa_error_entry_t, se_avl)); | |
| 789 | 551 } |
| 552 | |
| 553 /* | |
| 554 * Opposite of spa_activate(). | |
| 555 */ | |
| 556 static void | |
| 557 spa_deactivate(spa_t *spa) | |
| 558 { | |
| 559 int t; | |
| 560 | |
| 561 ASSERT(spa->spa_sync_on == B_FALSE); | |
| 562 ASSERT(spa->spa_dsl_pool == NULL); | |
| 563 ASSERT(spa->spa_root_vdev == NULL); | |
| 564 | |
| 565 ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); | |
| 566 | |
| 567 txg_list_destroy(&spa->spa_vdev_txg_list); | |
| 568 | |
| 569 list_destroy(&spa->spa_dirty_list); | |
| 5329 | 570 list_destroy(&spa->spa_zio_list); |
| 789 | 571 |
| 572 for (t = 0; t < ZIO_TYPES; t++) { | |
| 573 taskq_destroy(spa->spa_zio_issue_taskq[t]); | |
| 574 taskq_destroy(spa->spa_zio_intr_taskq[t]); | |
| 575 spa->spa_zio_issue_taskq[t] = NULL; | |
| 576 spa->spa_zio_intr_taskq[t] = NULL; | |
| 577 } | |
| 578 | |
| 579 metaslab_class_destroy(spa->spa_normal_class); | |
| 580 spa->spa_normal_class = NULL; | |
| 581 | |
| 4527 | 582 metaslab_class_destroy(spa->spa_log_class); |
| 583 spa->spa_log_class = NULL; | |
| 584 | |
| 1544 | 585 /* |
| 586 * If this was part of an import or the open otherwise failed, we may | |
| 587 * still have errors left in the queues. Empty them just in case. | |
| 588 */ | |
| 589 spa_errlog_drain(spa); | |
| 590 | |
| 591 avl_destroy(&spa->spa_errlist_scrub); | |
| 592 avl_destroy(&spa->spa_errlist_last); | |
| 593 | |
| 789 | 594 spa->spa_state = POOL_STATE_UNINITIALIZED; |
| 595 } | |
| 596 | |
| 597 /* | |
| 598 * Verify a pool configuration, and construct the vdev tree appropriately. This | |
| 599 * will create all the necessary vdevs in the appropriate layout, with each vdev | |
| 600 * in the CLOSED state. This will prep the pool before open/creation/import. | |
| 601 * All vdev validation is done by the vdev_alloc() routine. | |
| 602 */ | |
| 2082 | 603 static int |
| 604 spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, | |
| 605 uint_t id, int atype) | |
| 789 | 606 { |
| 607 nvlist_t **child; | |
| 608 uint_t c, children; | |
| 2082 | 609 int error; |
| 610 | |
| 611 if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) | |
| 612 return (error); | |
| 613 | |
| 614 if ((*vdp)->vdev_ops->vdev_op_leaf) | |
| 615 return (0); | |
| 789 | 616 |
| 617 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
| 618 &child, &children) != 0) { | |
| 2082 | 619 vdev_free(*vdp); |
| 620 *vdp = NULL; | |
| 621 return (EINVAL); | |
| 789 | 622 } |
| 623 | |
| 624 for (c = 0; c < children; c++) { | |
| 2082 | 625 vdev_t *vd; |
| 626 if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, | |
| 627 atype)) != 0) { | |
| 628 vdev_free(*vdp); | |
| 629 *vdp = NULL; | |
| 630 return (error); | |
| 789 | 631 } |
| 632 } | |
| 633 | |
| 2082 | 634 ASSERT(*vdp != NULL); |
| 635 | |
| 636 return (0); | |
| 789 | 637 } |
| 638 | |
| 639 /* | |
| 640 * Opposite of spa_load(). | |
| 641 */ | |
| 642 static void | |
| 643 spa_unload(spa_t *spa) | |
| 644 { | |
| 2082 | 645 int i; |
| 646 | |
| 789 | 647 /* |
| 1544 | 648 * Stop async tasks. |
| 649 */ | |
| 650 spa_async_suspend(spa); | |
| 651 | |
| 652 /* | |
| 789 | 653 * Stop syncing. |
| 654 */ | |
| 655 if (spa->spa_sync_on) { | |
| 656 txg_sync_stop(spa->spa_dsl_pool); | |
| 657 spa->spa_sync_on = B_FALSE; | |
| 658 } | |
| 659 | |
| 660 /* | |
| 661 * Wait for any outstanding prefetch I/O to complete. | |
| 662 */ | |
| 1544 | 663 spa_config_enter(spa, RW_WRITER, FTAG); |
| 664 spa_config_exit(spa, FTAG); | |
| 789 | 665 |
| 666 /* | |
| 5450 | 667 * Drop and purge level 2 cache |
| 668 */ | |
| 669 spa_l2cache_drop(spa); | |
| 670 | |
| 671 /* | |
| 789 | 672 * Close the dsl pool. |
| 673 */ | |
| 674 if (spa->spa_dsl_pool) { | |
| 675 dsl_pool_close(spa->spa_dsl_pool); | |
| 676 spa->spa_dsl_pool = NULL; | |
| 677 } | |
| 678 | |
| 679 /* | |
| 680 * Close all vdevs. | |
| 681 */ | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
682 if (spa->spa_root_vdev) |
| 789 | 683 vdev_free(spa->spa_root_vdev); |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
684 ASSERT(spa->spa_root_vdev == NULL); |
| 1544 | 685 |
| 5450 | 686 for (i = 0; i < spa->spa_spares.sav_count; i++) |
| 687 vdev_free(spa->spa_spares.sav_vdevs[i]); | |
| 688 if (spa->spa_spares.sav_vdevs) { | |
| 689 kmem_free(spa->spa_spares.sav_vdevs, | |
| 690 spa->spa_spares.sav_count * sizeof (void *)); | |
| 691 spa->spa_spares.sav_vdevs = NULL; | |
| 692 } | |
| 693 if (spa->spa_spares.sav_config) { | |
| 694 nvlist_free(spa->spa_spares.sav_config); | |
| 695 spa->spa_spares.sav_config = NULL; | |
| 2082 | 696 } |
| 5450 | 697 |
| 698 for (i = 0; i < spa->spa_l2cache.sav_count; i++) | |
| 699 vdev_free(spa->spa_l2cache.sav_vdevs[i]); | |
| 700 if (spa->spa_l2cache.sav_vdevs) { | |
| 701 kmem_free(spa->spa_l2cache.sav_vdevs, | |
| 702 spa->spa_l2cache.sav_count * sizeof (void *)); | |
| 703 spa->spa_l2cache.sav_vdevs = NULL; | |
| 704 } | |
| 705 if (spa->spa_l2cache.sav_config) { | |
| 706 nvlist_free(spa->spa_l2cache.sav_config); | |
| 707 spa->spa_l2cache.sav_config = NULL; | |
| 2082 | 708 } |
| 709 | |
| 1544 | 710 spa->spa_async_suspended = 0; |
| 789 | 711 } |
| 712 | |
| 713 /* | |
| 2082 | 714 * Load (or re-load) the current list of vdevs describing the active spares for |
| 715 * this pool. When this is called, we have some form of basic information in | |
| 5450 | 716 * 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and |
| 717 * then re-generate a more complete list including status information. | |
| 2082 | 718 */ |
| 719 static void | |
| 720 spa_load_spares(spa_t *spa) | |
| 721 { | |
| 722 nvlist_t **spares; | |
| 723 uint_t nspares; | |
| 724 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
725 vdev_t *vd, *tvd; |
| 2082 | 726 |
| 727 /* | |
| 728 * First, close and free any existing spare vdevs. | |
| 729 */ | |
| 5450 | 730 for (i = 0; i < spa->spa_spares.sav_count; i++) { |
| 731 vd = spa->spa_spares.sav_vdevs[i]; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
732 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
733 /* Undo the call to spa_activate() below */ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
734 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid)) != NULL && |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
735 tvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
736 spa_spare_remove(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
737 vdev_close(vd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
738 vdev_free(vd); |
| 2082 | 739 } |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
740 |
| 5450 | 741 if (spa->spa_spares.sav_vdevs) |
| 742 kmem_free(spa->spa_spares.sav_vdevs, | |
| 743 spa->spa_spares.sav_count * sizeof (void *)); | |
| 744 | |
| 745 if (spa->spa_spares.sav_config == NULL) | |
| 2082 | 746 nspares = 0; |
| 747 else | |
| 5450 | 748 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 749 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 750 | |
| 5450 | 751 spa->spa_spares.sav_count = (int)nspares; |
| 752 spa->spa_spares.sav_vdevs = NULL; | |
| 2082 | 753 |
| 754 if (nspares == 0) | |
| 755 return; | |
| 756 | |
| 757 /* | |
| 758 * Construct the array of vdevs, opening them to get status in the | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
759 * process. For each spare, there is potentially two different vdev_t |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
760 * structures associated with it: one in the list of spares (used only |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
761 * for basic validation purposes) and one in the active vdev |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
762 * configuration (if it's spared in). During this phase we open and |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
763 * validate each vdev on the spare list. If the vdev also exists in the |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
764 * active configuration, then we also mark this vdev as an active spare. |
| 2082 | 765 */ |
| 5450 | 766 spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *), |
| 767 KM_SLEEP); | |
| 768 for (i = 0; i < spa->spa_spares.sav_count; i++) { | |
| 2082 | 769 VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
| 770 VDEV_ALLOC_SPARE) == 0); | |
| 771 ASSERT(vd != NULL); | |
| 772 | |
| 5450 | 773 spa->spa_spares.sav_vdevs[i] = vd; |
| 2082 | 774 |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
775 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid)) != NULL) { |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
776 if (!tvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
777 spa_spare_add(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
778 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
779 /* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
780 * We only mark the spare active if we were successfully |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
781 * able to load the vdev. Otherwise, importing a pool |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
782 * with a bad active spare would result in strange |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
783 * behavior, because multiple pool would think the spare |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
784 * is actively in use. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
785 * |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
786 * There is a vulnerability here to an equally bizarre |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
787 * circumstance, where a dead active spare is later |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
788 * brought back to life (onlined or otherwise). Given |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
789 * the rarity of this scenario, and the extra complexity |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
790 * it adds, we ignore the possibility. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
791 */ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
792 if (!vdev_is_dead(tvd)) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
793 spa_spare_activate(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
794 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
795 |
| 2082 | 796 if (vdev_open(vd) != 0) |
| 797 continue; | |
| 798 | |
| 799 vd->vdev_top = vd; | |
| 5450 | 800 if (vdev_validate_aux(vd) == 0) |
| 801 spa_spare_add(vd); | |
| 2082 | 802 } |
| 803 | |
| 804 /* | |
| 805 * Recompute the stashed list of spares, with status information | |
| 806 * this time. | |
| 807 */ | |
| 5450 | 808 VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 809 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 810 | |
| 5450 | 811 spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), |
| 812 KM_SLEEP); | |
| 813 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 814 spares[i] = vdev_config_generate(spa, | |
| 815 spa->spa_spares.sav_vdevs[i], B_TRUE, B_TRUE, B_FALSE); | |
| 816 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, | |
| 817 ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); | |
| 818 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 2082 | 819 nvlist_free(spares[i]); |
| 5450 | 820 kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); |
| 821 } | |
| 822 | |
| 823 /* | |
| 824 * Load (or re-load) the current list of vdevs describing the active l2cache for | |
| 825 * this pool. When this is called, we have some form of basic information in | |
| 826 * 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and | |
| 827 * then re-generate a more complete list including status information. | |
| 828 * Devices which are already active have their details maintained, and are | |
| 829 * not re-opened. | |
| 830 */ | |
| 831 static void | |
| 832 spa_load_l2cache(spa_t *spa) | |
| 833 { | |
| 834 nvlist_t **l2cache; | |
| 835 uint_t nl2cache; | |
| 836 int i, j, oldnvdevs; | |
| 837 uint64_t guid; | |
| 838 vdev_t *vd, **oldvdevs, **newvdevs; | |
| 839 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 840 | |
| 841 if (sav->sav_config != NULL) { | |
| 842 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, | |
| 843 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 844 newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); | |
| 845 } else { | |
| 846 nl2cache = 0; | |
| 847 } | |
| 848 | |
| 849 oldvdevs = sav->sav_vdevs; | |
| 850 oldnvdevs = sav->sav_count; | |
| 851 sav->sav_vdevs = NULL; | |
| 852 sav->sav_count = 0; | |
| 853 | |
| 854 /* | |
| 855 * Process new nvlist of vdevs. | |
| 856 */ | |
| 857 for (i = 0; i < nl2cache; i++) { | |
| 858 VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, | |
| 859 &guid) == 0); | |
| 860 | |
| 861 newvdevs[i] = NULL; | |
| 862 for (j = 0; j < oldnvdevs; j++) { | |
| 863 vd = oldvdevs[j]; | |
| 864 if (vd != NULL && guid == vd->vdev_guid) { | |
| 865 /* | |
| 866 * Retain previous vdev for add/remove ops. | |
| 867 */ | |
| 868 newvdevs[i] = vd; | |
| 869 oldvdevs[j] = NULL; | |
| 870 break; | |
| 871 } | |
| 872 } | |
| 873 | |
| 874 if (newvdevs[i] == NULL) { | |
| 875 /* | |
| 876 * Create new vdev | |
| 877 */ | |
| 878 VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, | |
| 879 VDEV_ALLOC_L2CACHE) == 0); | |
| 880 ASSERT(vd != NULL); | |
| 881 newvdevs[i] = vd; | |
| 882 | |
| 883 /* | |
| 884 * Commit this vdev as an l2cache device, | |
| 885 * even if it fails to open. | |
| 886 */ | |
| 887 spa_l2cache_add(vd); | |
| 888 | |
| 889 if (vdev_open(vd) != 0) | |
| 890 continue; | |
| 891 | |
| 892 vd->vdev_top = vd; | |
| 893 (void) vdev_validate_aux(vd); | |
| 894 | |
| 895 if (!vdev_is_dead(vd)) { | |
| 896 uint64_t size; | |
| 897 size = vdev_get_rsize(vd); | |
| 898 ASSERT3U(size, >, 0); | |
| 899 if (spa_mode & FWRITE) { | |
| 900 l2arc_add_vdev(spa, vd, | |
| 901 VDEV_LABEL_START_SIZE, | |
| 902 size - VDEV_LABEL_START_SIZE); | |
| 903 } | |
| 904 spa_l2cache_activate(vd); | |
| 905 } | |
| 906 } | |
| 907 } | |
| 908 | |
| 909 /* | |
| 910 * Purge vdevs that were dropped | |
| 911 */ | |
| 912 for (i = 0; i < oldnvdevs; i++) { | |
| 913 uint64_t pool; | |
| 914 | |
| 915 vd = oldvdevs[i]; | |
| 916 if (vd != NULL) { | |
| 917 if (spa_mode & FWRITE && | |
| 918 spa_l2cache_exists(vd->vdev_guid, &pool) && | |
| 919 pool != 0ULL) { | |
| 920 l2arc_remove_vdev(vd); | |
| 921 } | |
| 922 (void) vdev_close(vd); | |
| 923 spa_l2cache_remove(vd); | |
| 924 } | |
| 925 } | |
| 926 | |
| 927 if (oldvdevs) | |
| 928 kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); | |
| 929 | |
| 930 if (sav->sav_config == NULL) | |
| 931 goto out; | |
| 932 | |
| 933 sav->sav_vdevs = newvdevs; | |
| 934 sav->sav_count = (int)nl2cache; | |
| 935 | |
| 936 /* | |
| 937 * Recompute the stashed list of l2cache devices, with status | |
| 938 * information this time. | |
| 939 */ | |
| 940 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 941 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 942 | |
| 943 l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); | |
| 944 for (i = 0; i < sav->sav_count; i++) | |
| 945 l2cache[i] = vdev_config_generate(spa, | |
| 946 sav->sav_vdevs[i], B_TRUE, B_FALSE, B_TRUE); | |
| 947 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 948 ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); | |
| 949 out: | |
| 950 for (i = 0; i < sav->sav_count; i++) | |
| 951 nvlist_free(l2cache[i]); | |
| 952 if (sav->sav_count) | |
| 953 kmem_free(l2cache, sav->sav_count * sizeof (void *)); | |
| 2082 | 954 } |
| 955 | |
| 956 static int | |
| 957 load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) | |
| 958 { | |
| 959 dmu_buf_t *db; | |
| 960 char *packed = NULL; | |
| 961 size_t nvsize = 0; | |
| 962 int error; | |
| 963 *value = NULL; | |
| 964 | |
| 965 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 966 nvsize = *(uint64_t *)db->db_data; | |
| 967 dmu_buf_rele(db, FTAG); | |
| 968 | |
| 969 packed = kmem_alloc(nvsize, KM_SLEEP); | |
| 970 error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed); | |
| 971 if (error == 0) | |
| 972 error = nvlist_unpack(packed, nvsize, value, 0); | |
| 973 kmem_free(packed, nvsize); | |
| 974 | |
| 975 return (error); | |
| 976 } | |
| 977 | |
| 978 /* | |
| 4451 | 979 * Checks to see if the given vdev could not be opened, in which case we post a |
| 980 * sysevent to notify the autoreplace code that the device has been removed. | |
| 981 */ | |
| 982 static void | |
| 983 spa_check_removed(vdev_t *vd) | |
| 984 { | |
| 985 int c; | |
| 986 | |
| 987 for (c = 0; c < vd->vdev_children; c++) | |
| 988 spa_check_removed(vd->vdev_child[c]); | |
| 989 | |
| 990 if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) { | |
| 991 zfs_post_autoreplace(vd->vdev_spa, vd); | |
| 992 spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); | |
| 993 } | |
| 994 } | |
| 995 | |
| 996 /* | |
| 789 | 997 * Load an existing storage pool, using the pool's builtin spa_config as a |
| 1544 | 998 * source of configuration information. |
| 789 | 999 */ |
| 1000 static int | |
| 1544 | 1001 spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
| 789 | 1002 { |
| 1003 int error = 0; | |
| 1004 nvlist_t *nvroot = NULL; | |
| 1005 vdev_t *rvd; | |
| 1006 uberblock_t *ub = &spa->spa_uberblock; | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1007 uint64_t config_cache_txg = spa->spa_config_txg; |
| 789 | 1008 uint64_t pool_guid; |
| 2082 | 1009 uint64_t version; |
| 789 | 1010 zio_t *zio; |
| 4451 | 1011 uint64_t autoreplace = 0; |
| 789 | 1012 |
| 1544 | 1013 spa->spa_load_state = state; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1014 |
| 789 | 1015 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
| 1733 | 1016 nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) { |
| 1544 | 1017 error = EINVAL; |
| 1018 goto out; | |
| 1019 } | |
| 789 | 1020 |
| 2082 | 1021 /* |
| 1022 * Versioning wasn't explicitly added to the label until later, so if | |
| 1023 * it's not present treat it as the initial version. | |
| 1024 */ | |
| 1025 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) | |
| 4577 | 1026 version = SPA_VERSION_INITIAL; |
| 2082 | 1027 |
| 1733 | 1028 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
| 1029 &spa->spa_config_txg); | |
| 1030 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1031 if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
| 1544 | 1032 spa_guid_exists(pool_guid, 0)) { |
| 1033 error = EEXIST; | |
| 1034 goto out; | |
| 1035 } | |
| 789 | 1036 |
|
2174
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1037 spa->spa_load_guid = pool_guid; |
|
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1038 |
| 789 | 1039 /* |
| 2082 | 1040 * Parse the configuration into a vdev tree. We explicitly set the |
| 1041 * value that will be returned by spa_version() since parsing the | |
| 1042 * configuration requires knowing the version number. | |
| 789 | 1043 */ |
| 1544 | 1044 spa_config_enter(spa, RW_WRITER, FTAG); |
| 2082 | 1045 spa->spa_ubsync.ub_version = version; |
| 1046 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_LOAD); | |
| 1544 | 1047 spa_config_exit(spa, FTAG); |
| 789 | 1048 |
| 2082 | 1049 if (error != 0) |
| 1544 | 1050 goto out; |
| 789 | 1051 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1052 ASSERT(spa->spa_root_vdev == rvd); |
| 789 | 1053 ASSERT(spa_guid(spa) == pool_guid); |
| 1054 | |
| 1055 /* | |
| 1056 * Try to open all vdevs, loading each label in the process. | |
| 1057 */ | |
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1058 error = vdev_open(rvd); |
|
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1059 if (error != 0) |
| 1544 | 1060 goto out; |
| 789 | 1061 |
| 1062 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1063 * Validate the labels for all leaf vdevs. We need to grab the config |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1064 * lock because all label I/O is done with the ZIO_FLAG_CONFIG_HELD |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1065 * flag. |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1066 */ |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1067 spa_config_enter(spa, RW_READER, FTAG); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1068 error = vdev_validate(rvd); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1069 spa_config_exit(spa, FTAG); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1070 |
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1071 if (error != 0) |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1072 goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1073 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1074 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
|
1075 error = ENXIO; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1076 goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1077 } |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1078 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1079 /* |
| 789 | 1080 * Find the best uberblock. |
| 1081 */ | |
| 1082 bzero(ub, sizeof (uberblock_t)); | |
| 1083 | |
| 1084 zio = zio_root(spa, NULL, NULL, | |
| 1085 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE); | |
| 1086 vdev_uberblock_load(zio, rvd, ub); | |
| 1087 error = zio_wait(zio); | |
| 1088 | |
| 1089 /* | |
| 1090 * If we weren't able to find a single valid uberblock, return failure. | |
| 1091 */ | |
| 1092 if (ub->ub_txg == 0) { | |
| 1760 | 1093 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1094 VDEV_AUX_CORRUPT_DATA); | |
| 1544 | 1095 error = ENXIO; |
| 1096 goto out; | |
| 1097 } | |
| 1098 | |
| 1099 /* | |
| 1100 * If the pool is newer than the code, we can't open it. | |
| 1101 */ | |
| 4577 | 1102 if (ub->ub_version > SPA_VERSION) { |
| 1760 | 1103 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1104 VDEV_AUX_VERSION_NEWER); | |
| 1544 | 1105 error = ENOTSUP; |
| 1106 goto out; | |
| 789 | 1107 } |
| 1108 | |
| 1109 /* | |
| 1110 * If the vdev guid sum doesn't match the uberblock, we have an | |
| 1111 * incomplete configuration. | |
| 1112 */ | |
| 1732 | 1113 if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) { |
| 1544 | 1114 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1115 VDEV_AUX_BAD_GUID_SUM); | |
| 1116 error = ENXIO; | |
| 1117 goto out; | |
| 789 | 1118 } |
| 1119 | |
| 1120 /* | |
| 1121 * Initialize internal SPA structures. | |
| 1122 */ | |
| 1123 spa->spa_state = POOL_STATE_ACTIVE; | |
| 1124 spa->spa_ubsync = spa->spa_uberblock; | |
| 1125 spa->spa_first_txg = spa_last_synced_txg(spa) + 1; | |
| 1544 | 1126 error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
| 1127 if (error) { | |
| 1128 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1129 VDEV_AUX_CORRUPT_DATA); | |
| 1130 goto out; | |
| 1131 } | |
| 789 | 1132 spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
| 1133 | |
| 1544 | 1134 if (zap_lookup(spa->spa_meta_objset, |
| 789 | 1135 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1136 sizeof (uint64_t), 1, &spa->spa_config_object) != 0) { |
| 1137 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1138 VDEV_AUX_CORRUPT_DATA); | |
| 1139 error = EIO; | |
| 1140 goto out; | |
| 1141 } | |
| 789 | 1142 |
| 1143 if (!mosconfig) { | |
| 2082 | 1144 nvlist_t *newconfig; |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1145 uint64_t hostid; |
| 2082 | 1146 |
| 1147 if (load_nvlist(spa, spa->spa_config_object, &newconfig) != 0) { | |
| 1544 | 1148 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1149 VDEV_AUX_CORRUPT_DATA); | |
| 1150 error = EIO; | |
| 1151 goto out; | |
| 1152 } | |
| 789 | 1153 |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1154 if (nvlist_lookup_uint64(newconfig, ZPOOL_CONFIG_HOSTID, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1155 &hostid) == 0) { |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1156 char *hostname; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1157 unsigned long myhostid = 0; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1158 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1159 VERIFY(nvlist_lookup_string(newconfig, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1160 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1161 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1162 (void) ddi_strtoul(hw_serial, NULL, 10, &myhostid); |
|
4178
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1163 if (hostid != 0 && myhostid != 0 && |
|
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1164 (unsigned long)hostid != myhostid) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1165 cmn_err(CE_WARN, "pool '%s' could not be " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1166 "loaded as it was last accessed by " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1167 "another system (host: %s hostid: 0x%lx). " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1168 "See: http://www.sun.com/msg/ZFS-8000-EY", |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1169 spa->spa_name, hostname, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1170 (unsigned long)hostid); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1171 error = EBADF; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1172 goto out; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1173 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1174 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1175 |
| 789 | 1176 spa_config_set(spa, newconfig); |
| 1177 spa_unload(spa); | |
| 1178 spa_deactivate(spa); | |
| 1179 spa_activate(spa); | |
| 1180 | |
| 1544 | 1181 return (spa_load(spa, newconfig, state, B_TRUE)); |
| 1182 } | |
| 1183 | |
| 1184 if (zap_lookup(spa->spa_meta_objset, | |
| 1185 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, | |
| 1186 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) { | |
| 1187 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1188 VDEV_AUX_CORRUPT_DATA); | |
| 1189 error = EIO; | |
| 1190 goto out; | |
| 789 | 1191 } |
| 1192 | |
| 1544 | 1193 /* |
| 2082 | 1194 * Load the bit that tells us to use the new accounting function |
| 1195 * (raid-z deflation). If we have an older pool, this will not | |
| 1196 * be present. | |
| 1197 */ | |
| 1198 error = zap_lookup(spa->spa_meta_objset, | |
| 1199 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 1200 sizeof (uint64_t), 1, &spa->spa_deflate); | |
| 1201 if (error != 0 && error != ENOENT) { | |
| 1202 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1203 VDEV_AUX_CORRUPT_DATA); | |
| 1204 error = EIO; | |
| 1205 goto out; | |
| 1206 } | |
| 1207 | |
| 1208 /* | |
| 1544 | 1209 * Load the persistent error log. If we have an older pool, this will |
| 1210 * not be present. | |
| 1211 */ | |
| 1212 error = zap_lookup(spa->spa_meta_objset, | |
| 1213 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, | |
| 1214 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
|
1215 if (error != 0 && error != ENOENT) { |
| 1544 | 1216 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1217 VDEV_AUX_CORRUPT_DATA); | |
| 1218 error = EIO; | |
| 1219 goto out; | |
| 1220 } | |
| 1221 | |
| 1222 error = zap_lookup(spa->spa_meta_objset, | |
| 1223 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, | |
| 1224 sizeof (uint64_t), 1, &spa->spa_errlog_scrub); | |
| 1225 if (error != 0 && error != ENOENT) { | |
| 1226 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1227 VDEV_AUX_CORRUPT_DATA); | |
| 1228 error = EIO; | |
| 1229 goto out; | |
| 1230 } | |
| 789 | 1231 |
| 1232 /* | |
| 2926 | 1233 * Load the history object. If we have an older pool, this |
| 1234 * will not be present. | |
| 1235 */ | |
| 1236 error = zap_lookup(spa->spa_meta_objset, | |
| 1237 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, | |
| 1238 sizeof (uint64_t), 1, &spa->spa_history); | |
| 1239 if (error != 0 && error != ENOENT) { | |
| 1240 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1241 VDEV_AUX_CORRUPT_DATA); | |
| 1242 error = EIO; | |
| 1243 goto out; | |
| 1244 } | |
| 1245 | |
| 1246 /* | |
| 2082 | 1247 * Load any hot spares for this pool. |
| 1248 */ | |
| 1249 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 5450 | 1250 DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares.sav_object); |
| 2082 | 1251 if (error != 0 && error != ENOENT) { |
| 1252 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1253 VDEV_AUX_CORRUPT_DATA); | |
| 1254 error = EIO; | |
| 1255 goto out; | |
| 1256 } | |
| 1257 if (error == 0) { | |
| 4577 | 1258 ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
| 5450 | 1259 if (load_nvlist(spa, spa->spa_spares.sav_object, |
| 1260 &spa->spa_spares.sav_config) != 0) { | |
| 2082 | 1261 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1262 VDEV_AUX_CORRUPT_DATA); | |
| 1263 error = EIO; | |
| 1264 goto out; | |
| 1265 } | |
| 1266 | |
| 1267 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1268 spa_load_spares(spa); | |
| 1269 spa_config_exit(spa, FTAG); | |
| 1270 } | |
| 1271 | |
| 5450 | 1272 /* |
| 1273 * Load any level 2 ARC devices for this pool. | |
| 1274 */ | |
| 1275 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 1276 DMU_POOL_L2CACHE, sizeof (uint64_t), 1, | |
| 1277 &spa->spa_l2cache.sav_object); | |
| 1278 if (error != 0 && error != ENOENT) { | |
| 1279 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1280 VDEV_AUX_CORRUPT_DATA); | |
| 1281 error = EIO; | |
| 1282 goto out; | |
| 1283 } | |
| 1284 if (error == 0) { | |
| 1285 ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); | |
| 1286 if (load_nvlist(spa, spa->spa_l2cache.sav_object, | |
| 1287 &spa->spa_l2cache.sav_config) != 0) { | |
| 1288 vdev_set_state(rvd, B_TRUE, | |
| 1289 VDEV_STATE_CANT_OPEN, | |
| 1290 VDEV_AUX_CORRUPT_DATA); | |
| 1291 error = EIO; | |
| 1292 goto out; | |
| 1293 } | |
| 1294 | |
| 1295 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1296 spa_load_l2cache(spa); | |
| 1297 spa_config_exit(spa, FTAG); | |
| 1298 } | |
| 1299 | |
| 5094 | 1300 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
| 4543 | 1301 |
| 3912 | 1302 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
| 1303 DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); | |
| 1304 | |
| 1305 if (error && error != ENOENT) { | |
| 1306 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1307 VDEV_AUX_CORRUPT_DATA); | |
| 1308 error = EIO; | |
| 1309 goto out; | |
| 1310 } | |
| 1311 | |
| 1312 if (error == 0) { | |
| 1313 (void) zap_lookup(spa->spa_meta_objset, | |
| 1314 spa->spa_pool_props_object, | |
| 4451 | 1315 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1316 sizeof (uint64_t), 1, &spa->spa_bootfs); |
| 4451 | 1317 (void) zap_lookup(spa->spa_meta_objset, |
| 1318 spa->spa_pool_props_object, | |
| 1319 zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), | |
| 1320 sizeof (uint64_t), 1, &autoreplace); | |
| 4543 | 1321 (void) zap_lookup(spa->spa_meta_objset, |
| 1322 spa->spa_pool_props_object, | |
| 1323 zpool_prop_to_name(ZPOOL_PROP_DELEGATION), | |
| 1324 sizeof (uint64_t), 1, &spa->spa_delegation); | |
| 5329 | 1325 (void) zap_lookup(spa->spa_meta_objset, |
| 1326 spa->spa_pool_props_object, | |
| 1327 zpool_prop_to_name(ZPOOL_PROP_FAILUREMODE), | |
| 1328 sizeof (uint64_t), 1, &spa->spa_failmode); | |
| 3912 | 1329 } |
| 1330 | |
| 2082 | 1331 /* |
| 4451 | 1332 * If the 'autoreplace' property is set, then post a resource notifying |
| 1333 * the ZFS DE that it should not issue any faults for unopenable | |
| 1334 * devices. We also iterate over the vdevs, and post a sysevent for any | |
| 1335 * unopenable vdevs so that the normal autoreplace handler can take | |
| 1336 * over. | |
| 1337 */ | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
1338 if (autoreplace && state != SPA_LOAD_TRYIMPORT) |
| 4451 | 1339 spa_check_removed(spa->spa_root_vdev); |
| 1340 | |
| 1341 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1342 * Load the vdev state for all toplevel vdevs. |
| 789 | 1343 */ |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1344 vdev_load(rvd); |
| 789 | 1345 |
| 1346 /* | |
| 1347 * Propagate the leaf DTLs we just loaded all the way up the tree. | |
| 1348 */ | |
| 1544 | 1349 spa_config_enter(spa, RW_WRITER, FTAG); |
| 789 | 1350 vdev_dtl_reassess(rvd, 0, 0, B_FALSE); |
| 1544 | 1351 spa_config_exit(spa, FTAG); |
| 789 | 1352 |
| 1353 /* | |
| 1354 * Check the state of the root vdev. If it can't be opened, it | |
| 1355 * indicates one or more toplevel vdevs are faulted. | |
| 1356 */ | |
| 1544 | 1357 if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
| 1358 error = ENXIO; | |
| 1359 goto out; | |
| 1360 } | |
| 789 | 1361 |
| 1544 | 1362 if ((spa_mode & FWRITE) && state != SPA_LOAD_TRYIMPORT) { |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1363 dmu_tx_t *tx; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1364 int need_update = B_FALSE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1365 int c; |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1366 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1367 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1368 * Claim log blocks that haven't been committed yet. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1369 * This must all happen in a single txg. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1370 */ |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1371 tx = dmu_tx_create_assigned(spa_get_dsl(spa), |
| 789 | 1372 spa_first_txg(spa)); |
| 2417 | 1373 (void) dmu_objset_find(spa->spa_name, |
| 1374 zil_claim, tx, DS_FIND_CHILDREN); | |
| 789 | 1375 dmu_tx_commit(tx); |
| 1376 | |
| 1377 spa->spa_sync_on = B_TRUE; | |
| 1378 txg_sync_start(spa->spa_dsl_pool); | |
| 1379 | |
| 1380 /* | |
| 1381 * Wait for all claims to sync. | |
| 1382 */ | |
| 1383 txg_wait_synced(spa->spa_dsl_pool, 0); | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1384 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1385 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1386 * If the config cache is stale, or we have uninitialized |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1387 * metaslabs (see spa_vdev_add()), then update the config. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1388 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1389 if (config_cache_txg != spa->spa_config_txg || |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1390 state == SPA_LOAD_IMPORT) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1391 need_update = B_TRUE; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1392 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1393 for (c = 0; c < rvd->vdev_children; c++) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1394 if (rvd->vdev_child[c]->vdev_ms_array == 0) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1395 need_update = B_TRUE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1396 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1397 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1398 * Update the config cache asychronously in case we're the |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1399 * root pool, in which case the config cache isn't writable yet. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1400 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1401 if (need_update) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1402 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
| 789 | 1403 } |
| 1404 | |
| 1544 | 1405 error = 0; |
| 1406 out: | |
| 2082 | 1407 if (error && error != EBADF) |
| 1544 | 1408 zfs_ereport_post(FM_EREPORT_ZFS_POOL, spa, NULL, NULL, 0, 0); |
| 1409 spa->spa_load_state = SPA_LOAD_NONE; | |
| 1410 spa->spa_ena = 0; | |
| 1411 | |
| 1412 return (error); | |
| 789 | 1413 } |
| 1414 | |
| 1415 /* | |
| 1416 * Pool Open/Import | |
| 1417 * | |
| 1418 * The import case is identical to an open except that the configuration is sent | |
| 1419 * down from userland, instead of grabbed from the configuration cache. For the | |
| 1420 * case of an open, the pool configuration will exist in the | |
| 4451 | 1421 * POOL_STATE_UNINITIALIZED state. |
| 789 | 1422 * |
| 1423 * The stats information (gen/count/ustats) is used to gather vdev statistics at | |
| 1424 * the same time open the pool, without having to keep around the spa_t in some | |
| 1425 * ambiguous state. | |
| 1426 */ | |
| 1427 static int | |
| 1428 spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t **config) | |
| 1429 { | |
| 1430 spa_t *spa; | |
| 1431 int error; | |
| 1432 int loaded = B_FALSE; | |
| 1433 int locked = B_FALSE; | |
| 1434 | |
| 1435 *spapp = NULL; | |
| 1436 | |
| 1437 /* | |
| 1438 * As disgusting as this is, we need to support recursive calls to this | |
| 1439 * function because dsl_dir_open() is called during spa_load(), and ends | |
| 1440 * up calling spa_open() again. The real fix is to figure out how to | |
| 1441 * avoid dsl_dir_open() calling this in the first place. | |
| 1442 */ | |
| 1443 if (mutex_owner(&spa_namespace_lock) != curthread) { | |
| 1444 mutex_enter(&spa_namespace_lock); | |
| 1445 locked = B_TRUE; | |
| 1446 } | |
| 1447 | |
| 1448 if ((spa = spa_lookup(pool)) == NULL) { | |
| 1449 if (locked) | |
| 1450 mutex_exit(&spa_namespace_lock); | |
| 1451 return (ENOENT); | |
| 1452 } | |
| 1453 if (spa->spa_state == POOL_STATE_UNINITIALIZED) { | |
| 1454 | |
| 1455 spa_activate(spa); | |
| 1456 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1457 error = spa_load(spa, spa->spa_config, SPA_LOAD_OPEN, B_FALSE); |
| 789 | 1458 |
| 1459 if (error == EBADF) { | |
| 1460 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1461 * If vdev_validate() returns failure (indicated by |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1462 * EBADF), it indicates that one of the vdevs indicates |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1463 * that the pool has been exported or destroyed. If |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1464 * this is the case, the config cache is out of sync and |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1465 * we should remove the pool from the namespace. |
| 789 | 1466 */ |
| 2082 | 1467 zfs_post_ok(spa, NULL); |
| 789 | 1468 spa_unload(spa); |
| 1469 spa_deactivate(spa); | |
| 1470 spa_remove(spa); | |
| 1471 spa_config_sync(); | |
| 1472 if (locked) | |
| 1473 mutex_exit(&spa_namespace_lock); | |
| 1474 return (ENOENT); | |
| 1544 | 1475 } |
| 1476 | |
| 1477 if (error) { | |
| 789 | 1478 /* |
| 1479 * We can't open the pool, but we still have useful | |
| 1480 * information: the state of each vdev after the | |
| 1481 * attempted vdev_open(). Return this to the user. | |
| 1482 */ | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1483 if (config != NULL && spa->spa_root_vdev != NULL) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1484 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 1485 *config = spa_config_generate(spa, NULL, -1ULL, |
| 1486 B_TRUE); | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1487 spa_config_exit(spa, FTAG); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1488 } |
| 789 | 1489 spa_unload(spa); |
| 1490 spa_deactivate(spa); | |
| 1544 | 1491 spa->spa_last_open_failed = B_TRUE; |
| 789 | 1492 if (locked) |
| 1493 mutex_exit(&spa_namespace_lock); | |
| 1494 *spapp = NULL; | |
| 1495 return (error); | |
| 1544 | 1496 } else { |
| 1497 zfs_post_ok(spa, NULL); | |
| 1498 spa->spa_last_open_failed = B_FALSE; | |
| 789 | 1499 } |
| 1500 | |
| 1501 loaded = B_TRUE; | |
| 1502 } | |
| 1503 | |
| 1504 spa_open_ref(spa, tag); | |
| 4451 | 1505 |
| 1506 /* | |
| 1507 * If we just loaded the pool, resilver anything that's out of date. | |
| 1508 */ | |
| 1509 if (loaded && (spa_mode & FWRITE)) | |
| 1510 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); | |
| 1511 | |
| 789 | 1512 if (locked) |
| 1513 mutex_exit(&spa_namespace_lock); | |
| 1514 | |
| 1515 *spapp = spa; | |
| 1516 | |
| 1517 if (config != NULL) { | |
| 1544 | 1518 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 1519 *config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
| 1544 | 1520 spa_config_exit(spa, FTAG); |
| 789 | 1521 } |
| 1522 | |
| 1523 return (0); | |
| 1524 } | |
| 1525 | |
| 1526 int | |
| 1527 spa_open(const char *name, spa_t **spapp, void *tag) | |
| 1528 { | |
| 1529 return (spa_open_common(name, spapp, tag, NULL)); | |
| 1530 } | |
| 1531 | |
| 1544 | 1532 /* |
| 1533 * Lookup the given spa_t, incrementing the inject count in the process, | |
| 1534 * preventing it from being exported or destroyed. | |
| 1535 */ | |
| 1536 spa_t * | |
| 1537 spa_inject_addref(char *name) | |
| 1538 { | |
| 1539 spa_t *spa; | |
| 1540 | |
| 1541 mutex_enter(&spa_namespace_lock); | |
| 1542 if ((spa = spa_lookup(name)) == NULL) { | |
| 1543 mutex_exit(&spa_namespace_lock); | |
| 1544 return (NULL); | |
| 1545 } | |
| 1546 spa->spa_inject_ref++; | |
| 1547 mutex_exit(&spa_namespace_lock); | |
| 1548 | |
| 1549 return (spa); | |
| 1550 } | |
| 1551 | |
| 1552 void | |
| 1553 spa_inject_delref(spa_t *spa) | |
| 1554 { | |
| 1555 mutex_enter(&spa_namespace_lock); | |
| 1556 spa->spa_inject_ref--; | |
| 1557 mutex_exit(&spa_namespace_lock); | |
| 1558 } | |
| 1559 | |
| 5450 | 1560 /* |
| 1561 * Add spares device information to the nvlist. | |
| 1562 */ | |
| 2082 | 1563 static void |
| 1564 spa_add_spares(spa_t *spa, nvlist_t *config) | |
| 1565 { | |
| 1566 nvlist_t **spares; | |
| 1567 uint_t i, nspares; | |
| 1568 nvlist_t *nvroot; | |
| 1569 uint64_t guid; | |
| 1570 vdev_stat_t *vs; | |
| 1571 uint_t vsc; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1572 uint64_t pool; |
| 2082 | 1573 |
| 5450 | 1574 if (spa->spa_spares.sav_count == 0) |
| 2082 | 1575 return; |
| 1576 | |
| 1577 VERIFY(nvlist_lookup_nvlist(config, | |
| 1578 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 5450 | 1579 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 1580 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 1581 if (nspares != 0) { | |
| 1582 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1583 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); | |
| 1584 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1585 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); | |
| 1586 | |
| 1587 /* | |
| 1588 * Go through and find any spares which have since been | |
| 1589 * repurposed as an active spare. If this is the case, update | |
| 1590 * their status appropriately. | |
| 1591 */ | |
| 1592 for (i = 0; i < nspares; i++) { | |
| 1593 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 1594 ZPOOL_CONFIG_GUID, &guid) == 0); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1595 if (spa_spare_exists(guid, &pool) && pool != 0ULL) { |
| 2082 | 1596 VERIFY(nvlist_lookup_uint64_array( |
| 1597 spares[i], ZPOOL_CONFIG_STATS, | |
| 1598 (uint64_t **)&vs, &vsc) == 0); | |
| 1599 vs->vs_state = VDEV_STATE_CANT_OPEN; | |
| 1600 vs->vs_aux = VDEV_AUX_SPARED; | |
| 1601 } | |
| 1602 } | |
| 1603 } | |
| 1604 } | |
| 1605 | |
| 5450 | 1606 /* |
| 1607 * Add l2cache device information to the nvlist, including vdev stats. | |
| 1608 */ | |
| 1609 static void | |
| 1610 spa_add_l2cache(spa_t *spa, nvlist_t *config) | |
| 1611 { | |
| 1612 nvlist_t **l2cache; | |
| 1613 uint_t i, j, nl2cache; | |
| 1614 nvlist_t *nvroot; | |
| 1615 uint64_t guid; | |
| 1616 vdev_t *vd; | |
| 1617 vdev_stat_t *vs; | |
| 1618 uint_t vsc; | |
| 1619 | |
| 1620 if (spa->spa_l2cache.sav_count == 0) | |
| 1621 return; | |
| 1622 | |
| 1623 spa_config_enter(spa, RW_READER, FTAG); | |
| 1624 | |
| 1625 VERIFY(nvlist_lookup_nvlist(config, | |
| 1626 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 1627 VERIFY(nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, | |
| 1628 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1629 if (nl2cache != 0) { | |
| 1630 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1631 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 1632 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1633 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1634 | |
| 1635 /* | |
| 1636 * Update level 2 cache device stats. | |
| 1637 */ | |
| 1638 | |
| 1639 for (i = 0; i < nl2cache; i++) { | |
| 1640 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 1641 ZPOOL_CONFIG_GUID, &guid) == 0); | |
| 1642 | |
| 1643 vd = NULL; | |
| 1644 for (j = 0; j < spa->spa_l2cache.sav_count; j++) { | |
| 1645 if (guid == | |
| 1646 spa->spa_l2cache.sav_vdevs[j]->vdev_guid) { | |
| 1647 vd = spa->spa_l2cache.sav_vdevs[j]; | |
| 1648 break; | |
| 1649 } | |
| 1650 } | |
| 1651 ASSERT(vd != NULL); | |
| 1652 | |
| 1653 VERIFY(nvlist_lookup_uint64_array(l2cache[i], | |
| 1654 ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); | |
| 1655 vdev_get_stats(vd, vs); | |
| 1656 } | |
| 1657 } | |
| 1658 | |
| 1659 spa_config_exit(spa, FTAG); | |
| 1660 } | |
| 1661 | |
| 789 | 1662 int |
| 1544 | 1663 spa_get_stats(const char *name, nvlist_t **config, char *altroot, size_t buflen) |
| 789 | 1664 { |
| 1665 int error; | |
| 1666 spa_t *spa; | |
| 1667 | |
| 1668 *config = NULL; | |
| 1669 error = spa_open_common(name, &spa, FTAG, config); | |
| 1670 | |
| 2082 | 1671 if (spa && *config != NULL) { |
| 1544 | 1672 VERIFY(nvlist_add_uint64(*config, ZPOOL_CONFIG_ERRCOUNT, |
| 1673 spa_get_errlog_size(spa)) == 0); | |
| 1674 | |
| 2082 | 1675 spa_add_spares(spa, *config); |
| 5450 | 1676 spa_add_l2cache(spa, *config); |
| 2082 | 1677 } |
| 1678 | |
| 1544 | 1679 /* |
| 1680 * We want to get the alternate root even for faulted pools, so we cheat | |
| 1681 * and call spa_lookup() directly. | |
| 1682 */ | |
| 1683 if (altroot) { | |
| 1684 if (spa == NULL) { | |
| 1685 mutex_enter(&spa_namespace_lock); | |
| 1686 spa = spa_lookup(name); | |
| 1687 if (spa) | |
| 1688 spa_altroot(spa, altroot, buflen); | |
| 1689 else | |
| 1690 altroot[0] = '\0'; | |
| 1691 spa = NULL; | |
| 1692 mutex_exit(&spa_namespace_lock); | |
| 1693 } else { | |
| 1694 spa_altroot(spa, altroot, buflen); | |
| 1695 } | |
| 1696 } | |
| 1697 | |
| 789 | 1698 if (spa != NULL) |
| 1699 spa_close(spa, FTAG); | |
| 1700 | |
| 1701 return (error); | |
| 1702 } | |
| 1703 | |
| 1704 /* | |
| 5450 | 1705 * Validate that the auxiliary device array is well formed. We must have an |
| 1706 * array of nvlists, each which describes a valid leaf vdev. If this is an | |
| 1707 * import (mode is VDEV_ALLOC_SPARE), then we allow corrupted spares to be | |
| 1708 * specified, as long as they are well-formed. | |
| 2082 | 1709 */ |
| 1710 static int | |
| 5450 | 1711 spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode, |
| 1712 spa_aux_vdev_t *sav, const char *config, uint64_t version, | |
| 1713 vdev_labeltype_t label) | |
| 2082 | 1714 { |
| 5450 | 1715 nvlist_t **dev; |
| 1716 uint_t i, ndev; | |
| 2082 | 1717 vdev_t *vd; |
| 1718 int error; | |
| 1719 | |
| 1720 /* | |
| 5450 | 1721 * It's acceptable to have no devs specified. |
| 2082 | 1722 */ |
| 5450 | 1723 if (nvlist_lookup_nvlist_array(nvroot, config, &dev, &ndev) != 0) |
| 2082 | 1724 return (0); |
| 1725 | |
| 5450 | 1726 if (ndev == 0) |
| 2082 | 1727 return (EINVAL); |
| 1728 | |
| 1729 /* | |
| 5450 | 1730 * Make sure the pool is formatted with a version that supports this |
| 1731 * device type. | |
| 2082 | 1732 */ |
| 5450 | 1733 if (spa_version(spa) < version) |
| 2082 | 1734 return (ENOTSUP); |
| 1735 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1736 /* |
| 5450 | 1737 * Set the pending device list so we correctly handle device in-use |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1738 * checking. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1739 */ |
| 5450 | 1740 sav->sav_pending = dev; |
| 1741 sav->sav_npending = ndev; | |
| 1742 | |
| 1743 for (i = 0; i < ndev; i++) { | |
| 1744 if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0, | |
| 2082 | 1745 mode)) != 0) |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1746 goto out; |
| 2082 | 1747 |
| 1748 if (!vd->vdev_ops->vdev_op_leaf) { | |
| 1749 vdev_free(vd); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1750 error = EINVAL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1751 goto out; |
| 2082 | 1752 } |
| 1753 | |
| 5450 | 1754 /* |
| 1755 * The L2ARC currently only supports disk devices. | |
| 1756 */ | |
| 1757 if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) && | |
| 1758 strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) { | |
| 1759 error = ENOTBLK; | |
| 1760 goto out; | |
| 1761 } | |
| 1762 | |
| 2082 | 1763 vd->vdev_top = vd; |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1764 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1765 if ((error = vdev_open(vd)) == 0 && |
| 5450 | 1766 (error = vdev_label_init(vd, crtxg, label)) == 0) { |
| 1767 VERIFY(nvlist_add_uint64(dev[i], ZPOOL_CONFIG_GUID, | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1768 vd->vdev_guid) == 0); |
| 2082 | 1769 } |
| 1770 | |
| 1771 vdev_free(vd); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1772 |
| 5450 | 1773 if (error && |
| 1774 (mode != VDEV_ALLOC_SPARE && mode != VDEV_ALLOC_L2CACHE)) | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1775 goto out; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1776 else |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1777 error = 0; |
| 2082 | 1778 } |
| 1779 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1780 out: |
| 5450 | 1781 sav->sav_pending = NULL; |
| 1782 sav->sav_npending = 0; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1783 return (error); |
| 2082 | 1784 } |
| 1785 | |
| 5450 | 1786 static int |
| 1787 spa_validate_aux(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) | |
| 1788 { | |
| 1789 int error; | |
| 1790 | |
| 1791 if ((error = spa_validate_aux_devs(spa, nvroot, crtxg, mode, | |
| 1792 &spa->spa_spares, ZPOOL_CONFIG_SPARES, SPA_VERSION_SPARES, | |
| 1793 VDEV_LABEL_SPARE)) != 0) { | |
| 1794 return (error); | |
| 1795 } | |
| 1796 | |
| 1797 return (spa_validate_aux_devs(spa, nvroot, crtxg, mode, | |
| 1798 &spa->spa_l2cache, ZPOOL_CONFIG_L2CACHE, SPA_VERSION_L2CACHE, | |
| 1799 VDEV_LABEL_L2CACHE)); | |
| 1800 } | |
| 1801 | |
| 1802 static void | |
| 1803 spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs, | |
| 1804 const char *config) | |
| 1805 { | |
| 1806 int i; | |
| 1807 | |
| 1808 if (sav->sav_config != NULL) { | |
| 1809 nvlist_t **olddevs; | |
| 1810 uint_t oldndevs; | |
| 1811 nvlist_t **newdevs; | |
| 1812 | |
| 1813 /* | |
| 1814 * Generate new dev list by concatentating with the | |
| 1815 * current dev list. | |
| 1816 */ | |
| 1817 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config, | |
| 1818 &olddevs, &oldndevs) == 0); | |
| 1819 | |
| 1820 newdevs = kmem_alloc(sizeof (void *) * | |
| 1821 (ndevs + oldndevs), KM_SLEEP); | |
| 1822 for (i = 0; i < oldndevs; i++) | |
| 1823 VERIFY(nvlist_dup(olddevs[i], &newdevs[i], | |
| 1824 KM_SLEEP) == 0); | |
| 1825 for (i = 0; i < ndevs; i++) | |
| 1826 VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs], | |
| 1827 KM_SLEEP) == 0); | |
| 1828 | |
| 1829 VERIFY(nvlist_remove(sav->sav_config, config, | |
| 1830 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 1831 | |
| 1832 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 1833 config, newdevs, ndevs + oldndevs) == 0); | |
| 1834 for (i = 0; i < oldndevs + ndevs; i++) | |
| 1835 nvlist_free(newdevs[i]); | |
| 1836 kmem_free(newdevs, (oldndevs + ndevs) * sizeof (void *)); | |
| 1837 } else { | |
| 1838 /* | |
| 1839 * Generate a new dev list. | |
| 1840 */ | |
| 1841 VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME, | |
| 1842 KM_SLEEP) == 0); | |
| 1843 VERIFY(nvlist_add_nvlist_array(sav->sav_config, config, | |
| 1844 devs, ndevs) == 0); | |
| 1845 } | |
| 1846 } | |
| 1847 | |
| 1848 /* | |
| 1849 * Stop and drop level 2 ARC devices | |
| 1850 */ | |
| 1851 void | |
| 1852 spa_l2cache_drop(spa_t *spa) | |
| 1853 { | |
| 1854 vdev_t *vd; | |
| 1855 int i; | |
| 1856 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 1857 | |
| 1858 for (i = 0; i < sav->sav_count; i++) { | |
| 1859 uint64_t pool; | |
| 1860 | |
| 1861 vd = sav->sav_vdevs[i]; | |
| 1862 ASSERT(vd != NULL); | |
| 1863 | |
| 1864 if (spa_mode & FWRITE && | |
| 1865 spa_l2cache_exists(vd->vdev_guid, &pool) && pool != 0ULL) { | |
| 1866 l2arc_remove_vdev(vd); | |
| 1867 } | |
| 1868 if (vd->vdev_isl2cache) | |
| 1869 spa_l2cache_remove(vd); | |
| 1870 vdev_clear_stats(vd); | |
| 1871 (void) vdev_close(vd); | |
| 1872 } | |
| 1873 } | |
| 1874 | |
| 2082 | 1875 /* |
| 789 | 1876 * Pool Creation |
| 1877 */ | |
| 1878 int | |
| 5094 | 1879 spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4627
diff
changeset
|
1880 const char *history_str) |
| 789 | 1881 { |
| 1882 spa_t *spa; | |
| 5094 | 1883 char *altroot = NULL; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1884 vdev_t *rvd; |
| 789 | 1885 dsl_pool_t *dp; |
| 1886 dmu_tx_t *tx; | |
| 2082 | 1887 int c, error = 0; |
| 789 | 1888 uint64_t txg = TXG_INITIAL; |
| 5450 | 1889 nvlist_t **spares, **l2cache; |
| 1890 uint_t nspares, nl2cache; | |
| 5094 | 1891 uint64_t version; |
| 789 | 1892 |
| 1893 /* | |
| 1894 * If this pool already exists, return failure. | |
| 1895 */ | |
| 1896 mutex_enter(&spa_namespace_lock); | |
| 1897 if (spa_lookup(pool) != NULL) { | |
| 1898 mutex_exit(&spa_namespace_lock); | |
| 1899 return (EEXIST); | |
| 1900 } | |
| 1901 | |
| 1902 /* | |
| 1903 * Allocate a new spa_t structure. | |
| 1904 */ | |
| 5094 | 1905 (void) nvlist_lookup_string(props, |
| 1906 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1907 spa = spa_add(pool, altroot); |
| 789 | 1908 spa_activate(spa); |
| 1909 | |
| 1910 spa->spa_uberblock.ub_txg = txg - 1; | |
| 5094 | 1911 |
| 1912 if (props && (error = spa_prop_validate(spa, props))) { | |
| 1913 spa_unload(spa); | |
| 1914 spa_deactivate(spa); | |
| 1915 spa_remove(spa); | |
| 1916 return (error); | |
| 1917 } | |
| 1918 | |
| 1919 if (nvlist_lookup_uint64(props, zpool_prop_to_name(ZPOOL_PROP_VERSION), | |
| 1920 &version) != 0) | |
| 1921 version = SPA_VERSION; | |
| 1922 ASSERT(version <= SPA_VERSION); | |
| 1923 spa->spa_uberblock.ub_version = version; | |
| 789 | 1924 spa->spa_ubsync = spa->spa_uberblock; |
| 1925 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1926 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1927 * Create the root vdev. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1928 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1929 spa_config_enter(spa, RW_WRITER, FTAG); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1930 |
| 2082 | 1931 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); |
| 1932 | |
| 1933 ASSERT(error != 0 || rvd != NULL); | |
| 1934 ASSERT(error != 0 || spa->spa_root_vdev == rvd); | |
| 1935 | |
|
5913
a77f8ad2ce63
6575965 panic/thread=2a1016b5ca0: BAD TRAP: type=9 rp=1858500 addr=0 mmu_fsr=0, really, truly out of space
perrin
parents:
5886
diff
changeset
|
1936 if (error == 0 && !zfs_allocatable_devs(nvroot)) |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1937 error = EINVAL; |
| 2082 | 1938 |
| 1939 if (error == 0 && | |
| 1940 (error = vdev_create(rvd, txg, B_FALSE)) == 0 && | |
| 5450 | 1941 (error = spa_validate_aux(spa, nvroot, txg, |
| 2082 | 1942 VDEV_ALLOC_ADD)) == 0) { |
| 1943 for (c = 0; c < rvd->vdev_children; c++) | |
| 1944 vdev_init(rvd->vdev_child[c], txg); | |
| 1945 vdev_config_dirty(rvd); | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1946 } |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1947 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1948 spa_config_exit(spa, FTAG); |
| 789 | 1949 |
| 2082 | 1950 if (error != 0) { |
| 789 | 1951 spa_unload(spa); |
| 1952 spa_deactivate(spa); | |
| 1953 spa_remove(spa); | |
| 1954 mutex_exit(&spa_namespace_lock); | |
| 1955 return (error); | |
| 1956 } | |
| 1957 | |
| 2082 | 1958 /* |
| 1959 * Get the list of spares, if specified. | |
| 1960 */ | |
| 1961 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 1962 &spares, &nspares) == 0) { | |
| 5450 | 1963 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, |
| 2082 | 1964 KM_SLEEP) == 0); |
| 5450 | 1965 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 1966 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
| 1967 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1968 spa_load_spares(spa); | |
| 1969 spa_config_exit(spa, FTAG); | |
| 5450 | 1970 spa->spa_spares.sav_sync = B_TRUE; |
| 1971 } | |
| 1972 | |
| 1973 /* | |
| 1974 * Get the list of level 2 cache devices, if specified. | |
| 1975 */ | |
| 1976 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 1977 &l2cache, &nl2cache) == 0) { | |
| 1978 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 1979 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 1980 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 1981 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 1982 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1983 spa_load_l2cache(spa); | |
| 1984 spa_config_exit(spa, FTAG); | |
| 1985 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 2082 | 1986 } |
| 1987 | |
| 789 | 1988 spa->spa_dsl_pool = dp = dsl_pool_create(spa, txg); |
| 1989 spa->spa_meta_objset = dp->dp_meta_objset; | |
| 1990 | |
| 1991 tx = dmu_tx_create_assigned(dp, txg); | |
| 1992 | |
| 1993 /* | |
| 1994 * Create the pool config object. | |
| 1995 */ | |
| 1996 spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 1997 DMU_OT_PACKED_NVLIST, 1 << 14, | |
| 1998 DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); | |
| 1999 | |
| 1544 | 2000 if (zap_add(spa->spa_meta_objset, |
| 789 | 2001 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 2002 sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { |
| 2003 cmn_err(CE_PANIC, "failed to add pool config"); | |
| 2004 } | |
| 789 | 2005 |
| 5094 | 2006 /* Newly created pools with the right version are always deflated. */ |
| 2007 if (version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2008 spa->spa_deflate = TRUE; | |
| 2009 if (zap_add(spa->spa_meta_objset, | |
| 2010 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 2011 sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { | |
| 2012 cmn_err(CE_PANIC, "failed to add deflate"); | |
| 2013 } | |
| 2082 | 2014 } |
| 2015 | |
| 789 | 2016 /* |
| 2017 * Create the deferred-free bplist object. Turn off compression | |
| 2018 * because sync-to-convergence takes longer if the blocksize | |
| 2019 * keeps changing. | |
| 2020 */ | |
| 2021 spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, | |
| 2022 1 << 14, tx); | |
| 2023 dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, | |
| 2024 ZIO_COMPRESS_OFF, tx); | |
| 2025 | |
| 1544 | 2026 if (zap_add(spa->spa_meta_objset, |
| 789 | 2027 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
| 1544 | 2028 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) { |
| 2029 cmn_err(CE_PANIC, "failed to add bplist"); | |
| 2030 } | |
| 789 | 2031 |
| 2926 | 2032 /* |
| 2033 * Create the pool's history object. | |
| 2034 */ | |
| 5094 | 2035 if (version >= SPA_VERSION_ZPOOL_HISTORY) |
| 2036 spa_history_create_obj(spa, tx); | |
| 2037 | |
| 2038 /* | |
| 2039 * Set pool properties. | |
| 2040 */ | |
| 2041 spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); | |
| 2042 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); | |
| 5329 | 2043 spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); |
| 5094 | 2044 if (props) |
| 2045 spa_sync_props(spa, props, CRED(), tx); | |
| 2926 | 2046 |
| 789 | 2047 dmu_tx_commit(tx); |
| 2048 | |
| 2049 spa->spa_sync_on = B_TRUE; | |
| 2050 txg_sync_start(spa->spa_dsl_pool); | |
| 2051 | |
| 2052 /* | |
| 2053 * We explicitly wait for the first transaction to complete so that our | |
| 2054 * bean counters are appropriately updated. | |
| 2055 */ | |
| 2056 txg_wait_synced(spa->spa_dsl_pool, txg); | |
| 2057 | |
| 2058 spa_config_sync(); | |
| 2059 | |
| 5094 | 2060 if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL) |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4627
diff
changeset
|
2061 (void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4627
diff
changeset
|
2062 |
| 789 | 2063 mutex_exit(&spa_namespace_lock); |
| 2064 | |
| 2065 return (0); | |
| 2066 } | |
| 2067 | |
| 2068 /* | |
| 2069 * Import the given pool into the system. We set up the necessary spa_t and | |
| 2070 * then call spa_load() to do the dirty work. | |
| 2071 */ | |
| 2072 int | |
| 5094 | 2073 spa_import(const char *pool, nvlist_t *config, nvlist_t *props) |
| 789 | 2074 { |
| 2075 spa_t *spa; | |
| 5094 | 2076 char *altroot = NULL; |
| 789 | 2077 int error; |
| 2082 | 2078 nvlist_t *nvroot; |
| 5450 | 2079 nvlist_t **spares, **l2cache; |
| 2080 uint_t nspares, nl2cache; | |
| 789 | 2081 |
| 2082 /* | |
| 2083 * If a pool with this name exists, return failure. | |
| 2084 */ | |
| 2085 mutex_enter(&spa_namespace_lock); | |
| 2086 if (spa_lookup(pool) != NULL) { | |
| 2087 mutex_exit(&spa_namespace_lock); | |
| 2088 return (EEXIST); | |
| 2089 } | |
| 2090 | |
| 2091 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2092 * Create and initialize the spa structure. |
| 789 | 2093 */ |
| 5094 | 2094 (void) nvlist_lookup_string(props, |
| 2095 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2096 spa = spa_add(pool, altroot); |
| 789 | 2097 spa_activate(spa); |
| 2098 | |
| 2099 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2100 * Pass off the heavy lifting to spa_load(). |
| 1732 | 2101 * Pass TRUE for mosconfig because the user-supplied config |
| 2102 * is actually the one to trust when doing an import. | |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2103 */ |
| 1732 | 2104 error = spa_load(spa, config, SPA_LOAD_IMPORT, B_TRUE); |
| 789 | 2105 |
| 2082 | 2106 spa_config_enter(spa, RW_WRITER, FTAG); |
| 2107 /* | |
| 2108 * Toss any existing sparelist, as it doesn't have any validity anymore, | |
| 2109 * and conflicts with spa_has_spare(). | |
| 2110 */ | |
| 5450 | 2111 if (spa->spa_spares.sav_config) { |
| 2112 nvlist_free(spa->spa_spares.sav_config); | |
| 2113 spa->spa_spares.sav_config = NULL; | |
| 2082 | 2114 spa_load_spares(spa); |
| 2115 } | |
| 5450 | 2116 if (spa->spa_l2cache.sav_config) { |
| 2117 nvlist_free(spa->spa_l2cache.sav_config); | |
| 2118 spa->spa_l2cache.sav_config = NULL; | |
| 2119 spa_load_l2cache(spa); | |
| 2120 } | |
| 2082 | 2121 |
| 2122 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
| 2123 &nvroot) == 0); | |
| 5450 | 2124 if (error == 0) |
| 2125 error = spa_validate_aux(spa, nvroot, -1ULL, VDEV_ALLOC_SPARE); | |
| 2126 if (error == 0) | |
| 2127 error = spa_validate_aux(spa, nvroot, -1ULL, | |
| 2128 VDEV_ALLOC_L2CACHE); | |
| 2082 | 2129 spa_config_exit(spa, FTAG); |
| 2130 | |
| 5094 | 2131 if (error != 0 || (props && (error = spa_prop_set(spa, props)))) { |
| 789 | 2132 spa_unload(spa); |
| 2133 spa_deactivate(spa); | |
| 2134 spa_remove(spa); | |
| 2135 mutex_exit(&spa_namespace_lock); | |
| 2136 return (error); | |
| 2137 } | |
| 2138 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2139 /* |
| 5450 | 2140 * Override any spares and level 2 cache devices as specified by |
| 2141 * the user, as these may have correct device names/devids, etc. | |
| 2082 | 2142 */ |
| 2143 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 2144 &spares, &nspares) == 0) { | |
| 5450 | 2145 if (spa->spa_spares.sav_config) |
| 2146 VERIFY(nvlist_remove(spa->spa_spares.sav_config, | |
| 2082 | 2147 ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
| 2148 else | |
| 5450 | 2149 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, |
| 2082 | 2150 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5450 | 2151 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 2152 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
| 2153 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 2154 spa_load_spares(spa); | |
| 2155 spa_config_exit(spa, FTAG); | |
| 5450 | 2156 spa->spa_spares.sav_sync = B_TRUE; |
| 2157 } | |
| 2158 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 2159 &l2cache, &nl2cache) == 0) { | |
| 2160 if (spa->spa_l2cache.sav_config) | |
| 2161 VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, | |
| 2162 ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 2163 else | |
| 2164 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 2165 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2166 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 2167 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 2168 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 2169 spa_load_l2cache(spa); | |
| 2170 spa_config_exit(spa, FTAG); | |
| 2171 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 2082 | 2172 } |
| 2173 | |
| 2174 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2175 * Update the config cache to include the newly-imported pool. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2176 */ |
|
4627
c85631613c19
6509812 it would be useful if zdb(1M) could run on exported pools
ck153898
parents:
4577
diff
changeset
|
2177 if (spa_mode & FWRITE) |
|
c85631613c19
6509812 it would be useful if zdb(1M) could run on exported pools
ck153898
parents:
4577
diff
changeset
|
2178 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2179 |
| 789 | 2180 /* |
| 2181 * Resilver anything that's out of date. | |
| 2182 */ | |
| 2183 if (spa_mode & FWRITE) | |
| 2184 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); | |
| 2185 | |
| 4451 | 2186 mutex_exit(&spa_namespace_lock); |
| 2187 | |
| 789 | 2188 return (0); |
| 2189 } | |
| 2190 | |
| 2191 /* | |
| 2192 * This (illegal) pool name is used when temporarily importing a spa_t in order | |
| 2193 * to get the vdev stats associated with the imported devices. | |
| 2194 */ | |
| 2195 #define TRYIMPORT_NAME "$import" | |
| 2196 | |
| 2197 nvlist_t * | |
| 2198 spa_tryimport(nvlist_t *tryconfig) | |
| 2199 { | |
| 2200 nvlist_t *config = NULL; | |
| 2201 char *poolname; | |
| 2202 spa_t *spa; | |
| 2203 uint64_t state; | |
| 2204 | |
| 2205 if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) | |
| 2206 return (NULL); | |
| 2207 | |
| 2208 if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) | |
| 2209 return (NULL); | |
| 2210 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2211 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2212 * Create and initialize the spa structure. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2213 */ |
| 789 | 2214 mutex_enter(&spa_namespace_lock); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2215 spa = spa_add(TRYIMPORT_NAME, NULL); |
| 789 | 2216 spa_activate(spa); |
| 2217 | |
| 2218 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2219 * Pass off the heavy lifting to spa_load(). |
| 1732 | 2220 * Pass TRUE for mosconfig because the user-supplied config |
| 2221 * is actually the one to trust when doing an import. | |
| 789 | 2222 */ |
| 1732 | 2223 (void) spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
| 789 | 2224 |
| 2225 /* | |
| 2226 * If 'tryconfig' was at least parsable, return the current config. | |
| 2227 */ | |
| 2228 if (spa->spa_root_vdev != NULL) { | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2229 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 2230 config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2231 spa_config_exit(spa, FTAG); |
| 789 | 2232 VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, |
| 2233 poolname) == 0); | |
| 2234 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, | |
| 2235 state) == 0); | |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2236 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2237 spa->spa_uberblock.ub_timestamp) == 0); |
| 2082 | 2238 |
| 2239 /* | |
| 5450 | 2240 * Add the list of hot spares and level 2 cache devices. |
| 2082 | 2241 */ |
| 2242 spa_add_spares(spa, config); | |
| 5450 | 2243 spa_add_l2cache(spa, config); |
| 789 | 2244 } |
| 2245 | |
| 2246 spa_unload(spa); | |
| 2247 spa_deactivate(spa); | |
| 2248 spa_remove(spa); | |
| 2249 mutex_exit(&spa_namespace_lock); | |
| 2250 | |
| 2251 return (config); | |
| 2252 } | |
| 2253 | |
| 2254 /* | |
| 2255 * Pool export/destroy | |
| 2256 * | |
| 2257 * The act of destroying or exporting a pool is very simple. We make sure there | |
| 2258 * is no more pending I/O and any references to the pool are gone. Then, we | |
| 2259 * update the pool state and sync all the labels to disk, removing the | |
| 2260 * configuration from the cache afterwards. | |
| 2261 */ | |
| 2262 static int | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2263 spa_export_common(char *pool, int new_state, nvlist_t **oldconfig) |
| 789 | 2264 { |
| 2265 spa_t *spa; | |
| 2266 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2267 if (oldconfig) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2268 *oldconfig = NULL; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2269 |
| 789 | 2270 if (!(spa_mode & FWRITE)) |
| 2271 return (EROFS); | |
| 2272 | |
| 2273 mutex_enter(&spa_namespace_lock); | |
| 2274 if ((spa = spa_lookup(pool)) == NULL) { | |
| 2275 mutex_exit(&spa_namespace_lock); | |
| 2276 return (ENOENT); | |
| 2277 } | |
| 2278 | |
| 2279 /* | |
| 1544 | 2280 * Put a hold on the pool, drop the namespace lock, stop async tasks, |
| 2281 * reacquire the namespace lock, and see if we can export. | |
| 2282 */ | |
| 2283 spa_open_ref(spa, FTAG); | |
| 2284 mutex_exit(&spa_namespace_lock); | |
| 2285 spa_async_suspend(spa); | |
| 2286 mutex_enter(&spa_namespace_lock); | |
| 2287 spa_close(spa, FTAG); | |
| 2288 | |
| 2289 /* | |
| 789 | 2290 * The pool will be in core if it's openable, |
| 2291 * in which case we can modify its state. | |
| 2292 */ | |
| 2293 if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) { | |
| 2294 /* | |
| 2295 * Objsets may be open only because they're dirty, so we | |
| 2296 * have to force it to sync before checking spa_refcnt. | |
| 2297 */ | |
| 2298 spa_scrub_suspend(spa); | |
| 2299 txg_wait_synced(spa->spa_dsl_pool, 0); | |
| 2300 | |
| 1544 | 2301 /* |
| 2302 * A pool cannot be exported or destroyed if there are active | |
| 2303 * references. If we are resetting a pool, allow references by | |
| 2304 * fault injection handlers. | |
| 2305 */ | |
| 2306 if (!spa_refcount_zero(spa) || | |
| 2307 (spa->spa_inject_ref != 0 && | |
| 2308 new_state != POOL_STATE_UNINITIALIZED)) { | |
| 789 | 2309 spa_scrub_resume(spa); |
| 1544 | 2310 spa_async_resume(spa); |
| 789 | 2311 mutex_exit(&spa_namespace_lock); |
| 2312 return (EBUSY); | |
| 2313 } | |
| 2314 | |
| 2315 spa_scrub_resume(spa); | |
| 2316 VERIFY(spa_scrub(spa, POOL_SCRUB_NONE, B_TRUE) == 0); | |
| 2317 | |
| 2318 /* | |
| 2319 * We want this to be reflected on every label, | |
| 2320 * so mark them all dirty. spa_unload() will do the | |
| 2321 * final sync that pushes these changes out. | |
| 2322 */ | |
| 1544 | 2323 if (new_state != POOL_STATE_UNINITIALIZED) { |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2324 spa_config_enter(spa, RW_WRITER, FTAG); |
| 1544 | 2325 spa->spa_state = new_state; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2326 spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
| 1544 | 2327 vdev_config_dirty(spa->spa_root_vdev); |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2328 spa_config_exit(spa, FTAG); |
| 1544 | 2329 } |
| 789 | 2330 } |
| 2331 | |
| 4451 | 2332 spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
| 2333 | |
| 789 | 2334 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
| 2335 spa_unload(spa); | |
| 2336 spa_deactivate(spa); | |
| 2337 } | |
| 2338 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2339 if (oldconfig && spa->spa_config) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2340 VERIFY(nvlist_dup(spa->spa_config, oldconfig, 0) == 0); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2341 |
| 1544 | 2342 if (new_state != POOL_STATE_UNINITIALIZED) { |
| 5363 | 2343 spa_config_check(spa->spa_config_dir, |
| 2344 spa->spa_config_file); | |
| 1544 | 2345 spa_remove(spa); |
| 2346 spa_config_sync(); | |
| 2347 } | |
| 789 | 2348 mutex_exit(&spa_namespace_lock); |
| 2349 | |
| 2350 return (0); | |
| 2351 } | |
| 2352 | |
| 2353 /* | |
| 2354 * Destroy a storage pool. | |
| 2355 */ | |
| 2356 int | |
| 2357 spa_destroy(char *pool) | |
| 2358 { | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2359 return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL)); |
| 789 | 2360 } |
| 2361 | |
| 2362 /* | |
| 2363 * Export a storage pool. | |
| 2364 */ | |
| 2365 int | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2366 spa_export(char *pool, nvlist_t **oldconfig) |
| 789 | 2367 { |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2368 return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig)); |
| 789 | 2369 } |
| 2370 | |
| 2371 /* | |
| 1544 | 2372 * Similar to spa_export(), this unloads the spa_t without actually removing it |
| 2373 * from the namespace in any way. | |
| 2374 */ | |
| 2375 int | |
| 2376 spa_reset(char *pool) | |
| 2377 { | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2378 return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL)); |
| 1544 | 2379 } |
| 2380 | |
| 2381 | |
| 2382 /* | |
| 789 | 2383 * ========================================================================== |
| 2384 * Device manipulation | |
| 2385 * ========================================================================== | |
| 2386 */ | |
| 2387 | |
| 2388 /* | |
| 4527 | 2389 * Add a device to a storage pool. |
| 789 | 2390 */ |
| 2391 int | |
| 2392 spa_vdev_add(spa_t *spa, nvlist_t *nvroot) | |
| 2393 { | |
| 2394 uint64_t txg; | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2395 int c, error; |
| 789 | 2396 vdev_t *rvd = spa->spa_root_vdev; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2397 vdev_t *vd, *tvd; |
| 5450 | 2398 nvlist_t **spares, **l2cache; |
| 2399 uint_t nspares, nl2cache; | |
| 789 | 2400 |
| 2401 txg = spa_vdev_enter(spa); | |
| 2402 | |
| 2082 | 2403 if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
| 2404 VDEV_ALLOC_ADD)) != 0) | |
| 2405 return (spa_vdev_exit(spa, NULL, txg, error)); | |
| 2406 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2407 spa->spa_pending_vdev = vd; |
| 789 | 2408 |
| 5450 | 2409 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, |
| 2410 &nspares) != 0) | |
| 2082 | 2411 nspares = 0; |
| 2412 | |
| 5450 | 2413 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, |
| 2414 &nl2cache) != 0) | |
| 2415 nl2cache = 0; | |
| 2416 | |
| 2417 if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0) { | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2418 spa->spa_pending_vdev = NULL; |
| 2082 | 2419 return (spa_vdev_exit(spa, vd, txg, EINVAL)); |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2420 } |
| 2082 | 2421 |
| 2422 if (vd->vdev_children != 0) { | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2423 if ((error = vdev_create(vd, txg, B_FALSE)) != 0) { |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2424 spa->spa_pending_vdev = NULL; |
| 2082 | 2425 return (spa_vdev_exit(spa, vd, txg, error)); |
| 2426 } | |
| 2427 } | |
| 2428 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2429 /* |
| 5450 | 2430 * We must validate the spares and l2cache devices after checking the |
| 2431 * children. Otherwise, vdev_inuse() will blindly overwrite the spare. | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2432 */ |
| 5450 | 2433 if ((error = spa_validate_aux(spa, nvroot, txg, VDEV_ALLOC_ADD)) != 0) { |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2434 spa->spa_pending_vdev = NULL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2435 return (spa_vdev_exit(spa, vd, txg, error)); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2436 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2437 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2438 spa->spa_pending_vdev = NULL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2439 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2440 /* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2441 * Transfer each new top-level vdev from vd to rvd. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2442 */ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2443 for (c = 0; c < vd->vdev_children; c++) { |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2444 tvd = vd->vdev_child[c]; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2445 vdev_remove_child(vd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2446 tvd->vdev_id = rvd->vdev_children; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2447 vdev_add_child(rvd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2448 vdev_config_dirty(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2449 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2450 |
| 2082 | 2451 if (nspares != 0) { |
| 5450 | 2452 spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, |
| 2453 ZPOOL_CONFIG_SPARES); | |
| 2082 | 2454 spa_load_spares(spa); |
| 5450 | 2455 spa->spa_spares.sav_sync = B_TRUE; |
| 2456 } | |
| 2457 | |
| 2458 if (nl2cache != 0) { | |
| 2459 spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, | |
| 2460 ZPOOL_CONFIG_L2CACHE); | |
| 2461 spa_load_l2cache(spa); | |
| 2462 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 789 | 2463 } |
| 2464 | |
| 2465 /* | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2466 * We have to be careful when adding new vdevs to an existing pool. |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2467 * If other threads start allocating from these vdevs before we |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2468 * 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
|
2469 * fail to open the pool because there are DVAs that the config cache |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2470 * 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
|
2471 * initializing metaslabs; sync the config cache (via spa_vdev_exit()); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2472 * and then let spa_config_update() initialize the new metaslabs. |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2473 * |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2474 * spa_load() checks for added-but-not-initialized vdevs, so that |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2475 * if we lose power at any point in this sequence, the remaining |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2476 * steps will be completed the next time we load the pool. |
| 789 | 2477 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2478 (void) spa_vdev_exit(spa, vd, txg, 0); |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2479 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2480 mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2481 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2482 mutex_exit(&spa_namespace_lock); |
| 789 | 2483 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2484 return (0); |
| 789 | 2485 } |
| 2486 | |
| 2487 /* | |
| 2488 * Attach a device to a mirror. The arguments are the path to any device | |
| 2489 * in the mirror, and the nvroot for the new device. If the path specifies | |
| 2490 * a device that is not mirrored, we automatically insert the mirror vdev. | |
| 2491 * | |
| 2492 * If 'replacing' is specified, the new device is intended to replace the | |
| 2493 * existing device; in this case the two devices are made into their own | |
| 4451 | 2494 * mirror using the 'replacing' vdev, which is functionally identical to |
| 789 | 2495 * the mirror vdev (it actually reuses all the same ops) but has a few |
| 2496 * extra rules: you can't attach to it after it's been created, and upon | |
| 2497 * completion of resilvering, the first disk (the one being replaced) | |
| 2498 * is automatically detached. | |
| 2499 */ | |
| 2500 int | |
| 1544 | 2501 spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
| 789 | 2502 { |
| 2503 uint64_t txg, open_txg; | |
| 2504 int error; | |
| 2505 vdev_t *rvd = spa->spa_root_vdev; | |
| 2506 vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; | |
| 2082 | 2507 vdev_ops_t *pvops; |
| 4527 | 2508 int is_log; |
| 789 | 2509 |
| 2510 txg = spa_vdev_enter(spa); | |
| 2511 | |
| 1544 | 2512 oldvd = vdev_lookup_by_guid(rvd, guid); |
| 789 | 2513 |
| 2514 if (oldvd == NULL) | |
| 2515 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 2516 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2517 if (!oldvd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2518 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
|
2519 |
| 789 | 2520 pvd = oldvd->vdev_parent; |
| 2521 | |
| 2082 | 2522 if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
| 4451 | 2523 VDEV_ALLOC_ADD)) != 0) |
| 2524 return (spa_vdev_exit(spa, NULL, txg, EINVAL)); | |
| 2525 | |
| 2526 if (newrootvd->vdev_children != 1) | |
| 789 | 2527 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
| 2528 | |
| 2529 newvd = newrootvd->vdev_child[0]; | |
| 2530 | |
| 2531 if (!newvd->vdev_ops->vdev_op_leaf) | |
| 2532 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); | |
| 2533 | |
| 2082 | 2534 if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
| 789 | 2535 return (spa_vdev_exit(spa, newrootvd, txg, error)); |
| 2536 | |
| 4527 | 2537 /* |
| 2538 * Spares can't replace logs | |
| 2539 */ | |
| 2540 is_log = oldvd->vdev_islog; | |
| 2541 if (is_log && newvd->vdev_isspare) | |
| 2542 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 2543 | |
| 2082 | 2544 if (!replacing) { |
| 2545 /* | |
| 2546 * For attach, the only allowable parent is a mirror or the root | |
| 2547 * vdev. | |
| 2548 */ | |
| 2549 if (pvd->vdev_ops != &vdev_mirror_ops && | |
| 2550 pvd->vdev_ops != &vdev_root_ops) | |
| 2551 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 2552 | |
| 2553 pvops = &vdev_mirror_ops; | |
| 2554 } else { | |
| 2555 /* | |
| 2556 * Active hot spares can only be replaced by inactive hot | |
| 2557 * spares. | |
| 2558 */ | |
| 2559 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 2560 pvd->vdev_child[1] == oldvd && | |
| 2561 !spa_has_spare(spa, newvd->vdev_guid)) | |
| 2562 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 2563 | |
| 2564 /* | |
| 2565 * If the source is a hot spare, and the parent isn't already a | |
| 2566 * spare, then we want to create a new hot spare. Otherwise, we | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2567 * want to create a replacing vdev. The user is not allowed to |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2568 * 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
|
2569 * 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
|
2570 * non-spare). |
| 2082 | 2571 */ |
| 2572 if (pvd->vdev_ops == &vdev_replacing_ops) | |
| 2573 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
|
2574 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
|
2575 newvd->vdev_isspare != oldvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2576 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2082 | 2577 else if (pvd->vdev_ops != &vdev_spare_ops && |
| 2578 newvd->vdev_isspare) | |
| 2579 pvops = &vdev_spare_ops; | |
| 2580 else | |
| 2581 pvops = &vdev_replacing_ops; | |
| 2582 } | |
| 2583 | |
|
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
|
2584 /* |
|
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
|
2585 * 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
|
2586 * 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
|
2587 */ |
|
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
|
2588 if (newvd->vdev_psize < vdev_get_rsize(oldvd)) |
| 789 | 2589 return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
| 2590 | |
| 1732 | 2591 /* |
| 2592 * The new device cannot have a higher alignment requirement | |
| 2593 * than the top-level vdev. | |
| 2594 */ | |
| 2595 if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) | |
| 789 | 2596 return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
| 2597 | |
| 2598 /* | |
| 2599 * If this is an in-place replacement, update oldvd's path and devid | |
| 2600 * to make it distinguishable from newvd, and unopenable from now on. | |
| 2601 */ | |
| 2602 if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { | |
| 2603 spa_strfree(oldvd->vdev_path); | |
| 2604 oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, | |
| 2605 KM_SLEEP); | |
| 2606 (void) sprintf(oldvd->vdev_path, "%s/%s", | |
| 2607 newvd->vdev_path, "old"); | |
| 2608 if (oldvd->vdev_devid != NULL) { | |
| 2609 spa_strfree(oldvd->vdev_devid); | |
| 2610 oldvd->vdev_devid = NULL; | |
| 2611 } | |
| 2612 } | |
| 2613 | |
| 2614 /* | |
| 2082 | 2615 * If the parent is not a mirror, or if we're replacing, insert the new |
| 2616 * mirror/replacing/spare vdev above oldvd. | |
| 789 | 2617 */ |
| 2618 if (pvd->vdev_ops != pvops) | |
| 2619 pvd = vdev_add_parent(oldvd, pvops); | |
| 2620 | |
| 2621 ASSERT(pvd->vdev_top->vdev_parent == rvd); | |
| 2622 ASSERT(pvd->vdev_ops == pvops); | |
| 2623 ASSERT(oldvd->vdev_parent == pvd); | |
| 2624 | |
| 2625 /* | |
| 2626 * Extract the new device from its root and add it to pvd. | |
| 2627 */ | |
| 2628 vdev_remove_child(newrootvd, newvd); | |
| 2629 newvd->vdev_id = pvd->vdev_children; | |
| 2630 vdev_add_child(pvd, newvd); | |
| 2631 | |
| 1544 | 2632 /* |
| 2633 * If newvd is smaller than oldvd, but larger than its rsize, | |
| 2634 * the addition of newvd may have decreased our parent's asize. | |
| 2635 */ | |
| 2636 pvd->vdev_asize = MIN(pvd->vdev_asize, newvd->vdev_asize); | |
| 2637 | |
| 789 | 2638 tvd = newvd->vdev_top; |
| 2639 ASSERT(pvd->vdev_top == tvd); | |
| 2640 ASSERT(tvd->vdev_parent == rvd); | |
| 2641 | |
| 2642 vdev_config_dirty(tvd); | |
| 2643 | |
| 2644 /* | |
| 2645 * Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate | |
| 2646 * upward when spa_vdev_exit() calls vdev_dtl_reassess(). | |
| 2647 */ | |
| 2648 open_txg = txg + TXG_CONCURRENT_STATES - 1; | |
| 2649 | |
| 2650 mutex_enter(&newvd->vdev_dtl_lock); | |
| 2651 space_map_add(&newvd->vdev_dtl_map, TXG_INITIAL, | |
| 2652 open_txg - TXG_INITIAL + 1); | |
| 2653 mutex_exit(&newvd->vdev_dtl_lock); | |
| 2654 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2655 if (newvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2656 spa_spare_activate(newvd); |
| 1544 | 2657 |
| 789 | 2658 /* |
| 2659 * Mark newvd's DTL dirty in this txg. | |
| 2660 */ | |
| 1732 | 2661 vdev_dirty(tvd, VDD_DTL, newvd, txg); |
| 789 | 2662 |
| 2663 (void) spa_vdev_exit(spa, newrootvd, open_txg, 0); | |
| 2664 | |
| 2665 /* | |
| 4451 | 2666 * Kick off a resilver to update newvd. We need to grab the namespace |
| 2667 * lock because spa_scrub() needs to post a sysevent with the pool name. | |
| 789 | 2668 */ |
| 4451 | 2669 mutex_enter(&spa_namespace_lock); |
| 789 | 2670 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); |
| 4451 | 2671 mutex_exit(&spa_namespace_lock); |
| 789 | 2672 |
| 2673 return (0); | |
| 2674 } | |
| 2675 | |
| 2676 /* | |
| 2677 * Detach a device from a mirror or replacing vdev. | |
| 2678 * If 'replace_done' is specified, only detach if the parent | |
| 2679 * is a replacing vdev. | |
| 2680 */ | |
| 2681 int | |
| 1544 | 2682 spa_vdev_detach(spa_t *spa, uint64_t guid, int replace_done) |
| 789 | 2683 { |
| 2684 uint64_t txg; | |
| 2685 int c, t, error; | |
| 2686 vdev_t *rvd = spa->spa_root_vdev; | |
| 2687 vdev_t *vd, *pvd, *cvd, *tvd; | |
| 2082 | 2688 boolean_t unspare = B_FALSE; |
| 2689 uint64_t unspare_guid; | |
| 789 | 2690 |
| 2691 txg = spa_vdev_enter(spa); | |
| 2692 | |
| 1544 | 2693 vd = vdev_lookup_by_guid(rvd, guid); |
| 789 | 2694 |
| 2695 if (vd == NULL) | |
| 2696 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 2697 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2698 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2699 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
|
2700 |
| 789 | 2701 pvd = vd->vdev_parent; |
| 2702 | |
| 2703 /* | |
| 2704 * If replace_done is specified, only remove this device if it's | |
| 2082 | 2705 * the first child of a replacing vdev. For the 'spare' vdev, either |
| 2706 * disk can be removed. | |
| 789 | 2707 */ |
| 2082 | 2708 if (replace_done) { |
| 2709 if (pvd->vdev_ops == &vdev_replacing_ops) { | |
| 2710 if (vd->vdev_id != 0) | |
| 2711 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 2712 } else if (pvd->vdev_ops != &vdev_spare_ops) { | |
| 2713 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 2714 } | |
| 2715 } | |
| 2716 | |
| 2717 ASSERT(pvd->vdev_ops != &vdev_spare_ops || | |
| 4577 | 2718 spa_version(spa) >= SPA_VERSION_SPARES); |
| 789 | 2719 |
| 2720 /* | |
| 2082 | 2721 * Only mirror, replacing, and spare vdevs support detach. |
| 789 | 2722 */ |
| 2723 if (pvd->vdev_ops != &vdev_replacing_ops && | |
| 2082 | 2724 pvd->vdev_ops != &vdev_mirror_ops && |
| 2725 pvd->vdev_ops != &vdev_spare_ops) | |
| 789 | 2726 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
| 2727 | |
| 2728 /* | |
| 2729 * If there's only one replica, you can't detach it. | |
| 2730 */ | |
| 2731 if (pvd->vdev_children <= 1) | |
| 2732 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); | |
| 2733 | |
| 2734 /* | |
| 2735 * If all siblings have non-empty DTLs, this device may have the only | |
| 2736 * valid copy of the data, which means we cannot safely detach it. | |
| 2737 * | |
| 2738 * XXX -- as in the vdev_offline() case, we really want a more | |
| 2739 * precise DTL check. | |
| 2740 */ | |
| 2741 for (c = 0; c < pvd->vdev_children; c++) { | |
| 2742 uint64_t dirty; | |
| 2743 | |
| 2744 cvd = pvd->vdev_child[c]; | |
| 2745 if (cvd == vd) | |
| 2746 continue; | |
| 2747 if (vdev_is_dead(cvd)) | |
| 2748 continue; | |
| 2749 mutex_enter(&cvd->vdev_dtl_lock); | |
| 2750 dirty = cvd->vdev_dtl_map.sm_space | | |
| 2751 cvd->vdev_dtl_scrub.sm_space; | |
| 2752 mutex_exit(&cvd->vdev_dtl_lock); | |
| 2753 if (!dirty) | |
| 2754 break; | |
| 2755 } | |
| 2082 | 2756 |
| 2757 /* | |
| 2758 * If we are a replacing or spare vdev, then we can always detach the | |
| 2759 * latter child, as that is how one cancels the operation. | |
| 2760 */ | |
| 2761 if ((pvd->vdev_ops == &vdev_mirror_ops || vd->vdev_id != 1) && | |
| 2762 c == pvd->vdev_children) | |
| 789 | 2763 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
| 2764 | |
| 2765 /* | |
| 2082 | 2766 * If we are detaching the original disk from a spare, then it implies |
| 2767 * that the spare should become a real disk, and be removed from the | |
| 2768 * active spare list for the pool. | |
| 2769 */ | |
| 2770 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 2771 vd->vdev_id == 0) | |
| 2772 unspare = B_TRUE; | |
| 2773 | |
| 2774 /* | |
| 789 | 2775 * Erase the disk labels so the disk can be used for other things. |
| 2776 * This must be done after all other error cases are handled, | |
| 2777 * but before we disembowel vd (so we can still do I/O to it). | |
| 2778 * But if we can't do it, don't treat the error as fatal -- | |
| 2779 * it may be that the unwritability of the disk is the reason | |
| 2780 * it's being detached! | |
| 2781 */ | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2782 error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
| 789 | 2783 |
| 2784 /* | |
| 2785 * Remove vd from its parent and compact the parent's children. | |
| 2786 */ | |
| 2787 vdev_remove_child(pvd, vd); | |
| 2788 vdev_compact_children(pvd); | |
| 2789 | |
| 2790 /* | |
| 2791 * Remember one of the remaining children so we can get tvd below. | |
| 2792 */ | |
| 2793 cvd = pvd->vdev_child[0]; | |
| 2794 | |
| 2795 /* | |
| 2082 | 2796 * If we need to remove the remaining child from the list of hot spares, |
| 2797 * do it now, marking the vdev as no longer a spare in the process. We | |
| 2798 * must do this before vdev_remove_parent(), because that can change the | |
| 2799 * GUID if it creates a new toplevel GUID. | |
| 2800 */ | |
| 2801 if (unspare) { | |
| 2802 ASSERT(cvd->vdev_isspare); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2803 spa_spare_remove(cvd); |
| 2082 | 2804 unspare_guid = cvd->vdev_guid; |
| 2805 } | |
| 2806 | |
| 2807 /* | |
| 789 | 2808 * If the parent mirror/replacing vdev only has one child, |
| 2809 * the parent is no longer needed. Remove it from the tree. | |
| 2810 */ | |
| 2811 if (pvd->vdev_children == 1) | |
| 2812 vdev_remove_parent(cvd); | |
| 2813 | |
| 2814 /* | |
| 2815 * We don't set tvd until now because the parent we just removed | |
| 2816 * may have been the previous top-level vdev. | |
| 2817 */ | |
| 2818 tvd = cvd->vdev_top; | |
| 2819 ASSERT(tvd->vdev_parent == rvd); | |
| 2820 | |
| 2821 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2822 * Reevaluate the parent vdev state. |
| 789 | 2823 */ |
| 4451 | 2824 vdev_propagate_state(cvd); |
| 789 | 2825 |
| 2826 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2827 * If the device we just detached was smaller than the others, it may be |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2828 * possible to add metaslabs (i.e. grow the pool). vdev_metaslab_init() |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2829 * can't fail because the existing metaslabs are already in core, so |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2830 * there's nothing to read from disk. |
| 789 | 2831 */ |
| 1732 | 2832 VERIFY(vdev_metaslab_init(tvd, txg) == 0); |
| 789 | 2833 |
| 2834 vdev_config_dirty(tvd); | |
| 2835 | |
| 2836 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2837 * Mark vd's DTL as dirty in this txg. vdev_dtl_sync() will see that |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2838 * vd->vdev_detached is set and free vd's DTL object in syncing context. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2839 * But first make sure we're not on any *other* txg's DTL list, to |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2840 * prevent vd from being accessed after it's freed. |
| 789 | 2841 */ |
| 2842 for (t = 0; t < TXG_SIZE; t++) | |
| 2843 (void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); | |
| 1732 | 2844 vd->vdev_detached = B_TRUE; |
| 2845 vdev_dirty(tvd, VDD_DTL, vd, txg); | |
| 789 | 2846 |
| 4451 | 2847 spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
| 2848 | |
| 2082 | 2849 error = spa_vdev_exit(spa, vd, txg, 0); |
| 2850 | |
| 2851 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2852 * If this was the removal of the original device in a hot spare vdev, |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2853 * then we want to go through and remove the device from the hot spare |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2854 * list of every other pool. |
| 2082 | 2855 */ |
| 2856 if (unspare) { | |
| 2857 spa = NULL; | |
| 2858 mutex_enter(&spa_namespace_lock); | |
| 2859 while ((spa = spa_next(spa)) != NULL) { | |
| 2860 if (spa->spa_state != POOL_STATE_ACTIVE) | |
| 2861 continue; | |
| 2862 | |
| 2863 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); | |
| 2864 } | |
| 2865 mutex_exit(&spa_namespace_lock); | |
| 2866 } | |
| 2867 | |
| 2868 return (error); | |
| 2869 } | |
| 2870 | |
| 2871 /* | |
| 5450 | 2872 * Remove a spares vdev from the nvlist config. |
| 2082 | 2873 */ |
| 5450 | 2874 static int |
| 2875 spa_remove_spares(spa_aux_vdev_t *sav, uint64_t guid, boolean_t unspare, | |
| 2876 nvlist_t **spares, int nspares, vdev_t *vd) | |
| 2082 | 2877 { |
| 5450 | 2878 nvlist_t *nv, **newspares; |
| 2879 int i, j; | |
| 2082 | 2880 |
| 2881 nv = NULL; | |
| 5450 | 2882 for (i = 0; i < nspares; i++) { |
| 2883 uint64_t theguid; | |
| 2884 | |
| 2885 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 2886 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 2887 if (theguid == guid) { | |
| 2888 nv = spares[i]; | |
| 2889 break; | |
| 2082 | 2890 } |
| 2891 } | |
| 2892 | |
| 2893 /* | |
| 5450 | 2894 * Only remove the hot spare if it's not currently in use in this pool. |
| 2082 | 2895 */ |
| 5450 | 2896 if (nv == NULL && vd == NULL) |
| 2897 return (ENOENT); | |
| 2898 | |
| 2899 if (nv == NULL && vd != NULL) | |
| 2900 return (ENOTSUP); | |
| 2901 | |
| 2902 if (!unspare && nv != NULL && vd != NULL) | |
| 2903 return (EBUSY); | |
| 2082 | 2904 |
| 2905 if (nspares == 1) { | |
| 2906 newspares = NULL; | |
| 2907 } else { | |
| 2908 newspares = kmem_alloc((nspares - 1) * sizeof (void *), | |
| 2909 KM_SLEEP); | |
| 2910 for (i = 0, j = 0; i < nspares; i++) { | |
| 2911 if (spares[i] != nv) | |
| 2912 VERIFY(nvlist_dup(spares[i], | |
| 2913 &newspares[j++], KM_SLEEP) == 0); | |
| 2914 } | |
| 2915 } | |
| 2916 | |
| 5450 | 2917 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 2918 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 5450 | 2919 VERIFY(nvlist_add_nvlist_array(sav->sav_config, |
| 2920 ZPOOL_CONFIG_SPARES, newspares, nspares - 1) == 0); | |
| 2082 | 2921 for (i = 0; i < nspares - 1; i++) |
| 2922 nvlist_free(newspares[i]); | |
| 2923 kmem_free(newspares, (nspares - 1) * sizeof (void *)); | |
| 5450 | 2924 |
| 2925 return (0); | |
| 2926 } | |
| 2927 | |
| 2928 /* | |
| 2929 * Remove an l2cache vdev from the nvlist config. | |
| 2930 */ | |
| 2931 static int | |
| 2932 spa_remove_l2cache(spa_aux_vdev_t *sav, uint64_t guid, nvlist_t **l2cache, | |
| 2933 int nl2cache, vdev_t *vd) | |
| 2934 { | |
| 2935 nvlist_t *nv, **newl2cache; | |
| 2936 int i, j; | |
| 2937 | |
| 2938 nv = NULL; | |
| 2939 for (i = 0; i < nl2cache; i++) { | |
| 2940 uint64_t theguid; | |
| 2941 | |
| 2942 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 2943 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 2944 if (theguid == guid) { | |
| 2945 nv = l2cache[i]; | |
| 2946 break; | |
| 2947 } | |
| 2948 } | |
| 2949 | |
| 2950 if (vd == NULL) { | |
| 2951 for (i = 0; i < nl2cache; i++) { | |
| 2952 if (sav->sav_vdevs[i]->vdev_guid == guid) { | |
| 2953 vd = sav->sav_vdevs[i]; | |
| 2954 break; | |
| 2955 } | |
| 2956 } | |
| 2957 } | |
| 2958 | |
| 2959 if (nv == NULL && vd == NULL) | |
| 2960 return (ENOENT); | |
| 2961 | |
| 2962 if (nv == NULL && vd != NULL) | |
| 2963 return (ENOTSUP); | |
| 2964 | |
| 2965 if (nl2cache == 1) { | |
| 2966 newl2cache = NULL; | |
| 2967 } else { | |
| 2968 newl2cache = kmem_alloc((nl2cache - 1) * sizeof (void *), | |
| 2969 KM_SLEEP); | |
| 2970 for (i = 0, j = 0; i < nl2cache; i++) { | |
| 2971 if (l2cache[i] != nv) | |
| 2972 VERIFY(nvlist_dup(l2cache[i], | |
| 2973 &newl2cache[j++], KM_SLEEP) == 0); | |
| 2974 } | |
| 2975 } | |
| 2976 | |
| 2977 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 2978 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 2979 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 2980 ZPOOL_CONFIG_L2CACHE, newl2cache, nl2cache - 1) == 0); | |
| 2981 for (i = 0; i < nl2cache - 1; i++) | |
| 2982 nvlist_free(newl2cache[i]); | |
| 2983 kmem_free(newl2cache, (nl2cache - 1) * sizeof (void *)); | |
| 2984 | |
| 2985 return (0); | |
| 2986 } | |
| 2987 | |
| 2988 /* | |
| 2989 * Remove a device from the pool. Currently, this supports removing only hot | |
| 2990 * spares and level 2 ARC devices. | |
| 2991 */ | |
| 2992 int | |
| 2993 spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) | |
| 2994 { | |
| 2995 vdev_t *vd; | |
| 2996 nvlist_t **spares, **l2cache; | |
| 2997 uint_t nspares, nl2cache; | |
| 2998 int error = 0; | |
| 2999 | |
| 3000 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 3001 | |
| 3002 vd = spa_lookup_by_guid(spa, guid); | |
| 3003 | |
| 3004 if (spa->spa_spares.sav_vdevs != NULL && | |
| 3005 spa_spare_exists(guid, NULL) && | |
| 3006 nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, | |
| 3007 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { | |
| 3008 if ((error = spa_remove_spares(&spa->spa_spares, guid, unspare, | |
| 3009 spares, nspares, vd)) != 0) | |
| 3010 goto out; | |
| 3011 spa_load_spares(spa); | |
| 3012 spa->spa_spares.sav_sync = B_TRUE; | |
| 3013 goto out; | |
| 3014 } | |
| 3015 | |
| 3016 if (spa->spa_l2cache.sav_vdevs != NULL && | |
| 3017 spa_l2cache_exists(guid, NULL) && | |
| 3018 nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, | |
| 3019 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0) { | |
| 3020 if ((error = spa_remove_l2cache(&spa->spa_l2cache, guid, | |
| 3021 l2cache, nl2cache, vd)) != 0) | |
| 3022 goto out; | |
| 3023 spa_load_l2cache(spa); | |
| 3024 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 3025 } | |
| 2082 | 3026 |
| 3027 out: | |
| 3028 spa_config_exit(spa, FTAG); | |
| 5450 | 3029 return (error); |
| 789 | 3030 } |
| 3031 | |
| 3032 /* | |
| 4451 | 3033 * Find any device that's done replacing, or a vdev marked 'unspare' that's |
| 3034 * current spared, so we can detach it. | |
| 789 | 3035 */ |
| 1544 | 3036 static vdev_t * |
| 4451 | 3037 spa_vdev_resilver_done_hunt(vdev_t *vd) |
| 789 | 3038 { |
| 1544 | 3039 vdev_t *newvd, *oldvd; |
| 789 | 3040 int c; |
| 3041 | |
| 1544 | 3042 for (c = 0; c < vd->vdev_children; c++) { |
| 4451 | 3043 oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
| 1544 | 3044 if (oldvd != NULL) |
| 3045 return (oldvd); | |
| 3046 } | |
| 789 | 3047 |
| 4451 | 3048 /* |
| 3049 * Check for a completed replacement. | |
| 3050 */ | |
| 789 | 3051 if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) { |
| 1544 | 3052 oldvd = vd->vdev_child[0]; |
| 3053 newvd = vd->vdev_child[1]; | |
| 789 | 3054 |
| 1544 | 3055 mutex_enter(&newvd->vdev_dtl_lock); |
| 3056 if (newvd->vdev_dtl_map.sm_space == 0 && | |
| 3057 newvd->vdev_dtl_scrub.sm_space == 0) { | |
| 3058 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3059 return (oldvd); | |
| 3060 } | |
| 3061 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3062 } | |
| 789 | 3063 |
| 4451 | 3064 /* |
| 3065 * Check for a completed resilver with the 'unspare' flag set. | |
| 3066 */ | |
| 3067 if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) { | |
| 3068 newvd = vd->vdev_child[0]; | |
| 3069 oldvd = vd->vdev_child[1]; | |
| 3070 | |
| 3071 mutex_enter(&newvd->vdev_dtl_lock); | |
| 3072 if (newvd->vdev_unspare && | |
| 3073 newvd->vdev_dtl_map.sm_space == 0 && | |
| 3074 newvd->vdev_dtl_scrub.sm_space == 0) { | |
| 3075 newvd->vdev_unspare = 0; | |
| 3076 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3077 return (oldvd); | |
| 3078 } | |
| 3079 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3080 } | |
| 3081 | |
| 1544 | 3082 return (NULL); |
| 789 | 3083 } |
| 3084 | |
| 1544 | 3085 static void |
| 4451 | 3086 spa_vdev_resilver_done(spa_t *spa) |
| 789 | 3087 { |
| 1544 | 3088 vdev_t *vd; |
| 2082 | 3089 vdev_t *pvd; |
| 1544 | 3090 uint64_t guid; |
| 2082 | 3091 uint64_t pguid = 0; |
| 789 | 3092 |
| 1544 | 3093 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 3094 |
| 4451 | 3095 while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) { |
| 1544 | 3096 guid = vd->vdev_guid; |
| 2082 | 3097 /* |
| 3098 * If we have just finished replacing a hot spared device, then | |
| 3099 * we need to detach the parent's first child (the original hot | |
| 3100 * spare) as well. | |
| 3101 */ | |
| 3102 pvd = vd->vdev_parent; | |
| 3103 if (pvd->vdev_parent->vdev_ops == &vdev_spare_ops && | |
| 3104 pvd->vdev_id == 0) { | |
| 3105 ASSERT(pvd->vdev_ops == &vdev_replacing_ops); | |
| 3106 ASSERT(pvd->vdev_parent->vdev_children == 2); | |
| 3107 pguid = pvd->vdev_parent->vdev_child[1]->vdev_guid; | |
| 3108 } | |
| 1544 | 3109 spa_config_exit(spa, FTAG); |
| 3110 if (spa_vdev_detach(spa, guid, B_TRUE) != 0) | |
| 3111 return; | |
| 2082 | 3112 if (pguid != 0 && spa_vdev_detach(spa, pguid, B_TRUE) != 0) |
| 3113 return; | |
| 1544 | 3114 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 3115 } |
| 3116 | |
| 1544 | 3117 spa_config_exit(spa, FTAG); |
| 789 | 3118 } |
| 3119 | |
| 3120 /* | |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3121 * 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
|
3122 * on spa_vdev_enter/exit() to synchronize the labels and cache. |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3123 */ |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3124 int |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3125 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
|
3126 { |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3127 vdev_t *rvd, *vd; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3128 uint64_t txg; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3129 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3130 rvd = spa->spa_root_vdev; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3131 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3132 txg = spa_vdev_enter(spa); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3133 |
| 2082 | 3134 if ((vd = vdev_lookup_by_guid(rvd, guid)) == NULL) { |
| 3135 /* | |
| 5450 | 3136 * Determine if this is a reference to a hot spare or l2cache |
| 3137 * device. If it is, update the path as stored in their | |
| 3138 * device list. | |
| 2082 | 3139 */ |
| 5450 | 3140 nvlist_t **spares, **l2cache; |
| 3141 uint_t i, nspares, nl2cache; | |
| 3142 | |
| 3143 if (spa->spa_spares.sav_config != NULL) { | |
| 3144 VERIFY(nvlist_lookup_nvlist_array( | |
| 3145 spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, | |
| 3146 &spares, &nspares) == 0); | |
| 2082 | 3147 for (i = 0; i < nspares; i++) { |
| 3148 uint64_t theguid; | |
| 3149 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 3150 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 5450 | 3151 if (theguid == guid) { |
| 3152 VERIFY(nvlist_add_string(spares[i], | |
| 3153 ZPOOL_CONFIG_PATH, newpath) == 0); | |
| 3154 spa_load_spares(spa); | |
| 3155 spa->spa_spares.sav_sync = B_TRUE; | |
| 3156 return (spa_vdev_exit(spa, NULL, txg, | |
| 3157 0)); | |
| 3158 } | |
| 2082 | 3159 } |
| 3160 } | |
| 5450 | 3161 |
| 3162 if (spa->spa_l2cache.sav_config != NULL) { | |
| 3163 VERIFY(nvlist_lookup_nvlist_array( | |
| 3164 spa->spa_l2cache.sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 3165 &l2cache, &nl2cache) == 0); | |
| 3166 for (i = 0; i < nl2cache; i++) { | |
| 3167 uint64_t theguid; | |
| 3168 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 3169 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 3170 if (theguid == guid) { | |
| 3171 VERIFY(nvlist_add_string(l2cache[i], | |
| 3172 ZPOOL_CONFIG_PATH, newpath) == 0); | |
| 3173 spa_load_l2cache(spa); | |
| 3174 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 3175 return (spa_vdev_exit(spa, NULL, txg, | |
| 3176 0)); | |
| 3177 } | |
| 3178 } | |
| 3179 } | |
| 3180 | |
| 3181 return (spa_vdev_exit(spa, NULL, txg, ENOENT)); | |
| 2082 | 3182 } |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3183 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3184 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3185 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
|
3186 |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3187 spa_strfree(vd->vdev_path); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3188 vd->vdev_path = spa_strdup(newpath); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3189 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3190 vdev_config_dirty(vd->vdev_top); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3191 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3192 return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3193 } |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3194 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3195 /* |
| 789 | 3196 * ========================================================================== |
| 3197 * SPA Scrubbing | |
| 3198 * ========================================================================== | |
| 3199 */ | |
| 3200 | |
| 3201 static void | |
| 3202 spa_scrub_io_done(zio_t *zio) | |
| 3203 { | |
| 3204 spa_t *spa = zio->io_spa; | |
| 3205 | |
|
4309
3dfde0f4662d
6542676 ARC needs to track meta-data memory overhead
maybee
parents:
4178
diff
changeset
|
3206 arc_data_buf_free(zio->io_data, zio->io_size); |
| 789 | 3207 |
| 3208 mutex_enter(&spa->spa_scrub_lock); | |
| 1544 | 3209 if (zio->io_error && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3210 vdev_t *vd = zio->io_vd ? zio->io_vd : spa->spa_root_vdev; |
| 789 | 3211 spa->spa_scrub_errors++; |
| 3212 mutex_enter(&vd->vdev_stat_lock); | |
| 3213 vd->vdev_stat.vs_scrub_errors++; | |
| 3214 mutex_exit(&vd->vdev_stat_lock); | |
| 3215 } | |
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3216 |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3217 if (--spa->spa_scrub_inflight < spa->spa_scrub_maxinflight) |
| 1544 | 3218 cv_broadcast(&spa->spa_scrub_io_cv); |
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3219 |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3220 ASSERT(spa->spa_scrub_inflight >= 0); |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3221 |
| 1544 | 3222 mutex_exit(&spa->spa_scrub_lock); |
| 789 | 3223 } |
| 3224 | |
| 3225 static void | |
| 1544 | 3226 spa_scrub_io_start(spa_t *spa, blkptr_t *bp, int priority, int flags, |
| 3227 zbookmark_t *zb) | |
| 789 | 3228 { |
| 3229 size_t size = BP_GET_LSIZE(bp); | |
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3230 void *data; |
| 789 | 3231 |
| 3232 mutex_enter(&spa->spa_scrub_lock); | |
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3233 /* |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3234 * Do not give too much work to vdev(s). |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3235 */ |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3236 while (spa->spa_scrub_inflight >= spa->spa_scrub_maxinflight) { |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3237 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3238 } |
| 789 | 3239 spa->spa_scrub_inflight++; |
| 3240 mutex_exit(&spa->spa_scrub_lock); | |
| 3241 | |
|
4309
3dfde0f4662d
6542676 ARC needs to track meta-data memory overhead
maybee
parents:
4178
diff
changeset
|
3242 data = arc_data_buf_alloc(size); |
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
3243 |
| 1544 | 3244 if (zb->zb_level == -1 && BP_GET_TYPE(bp) != DMU_OT_OBJSET) |
| 3245 flags |= ZIO_FLAG_SPECULATIVE; /* intent log block */ | |
| 3246 | |
|
1807
35c8b566d7af
6410711 intent log blocks don't get invited to pool parties
bonwick
parents:
1775
diff
changeset
|
3247 flags |= ZIO_FLAG_SCRUB_THREAD | ZIO_FLAG_CANFAIL; |
| 1544 | 3248 |
| 789 | 3249 zio_nowait(zio_read(NULL, spa, bp, data, size, |
| 1544 | 3250 spa_scrub_io_done, NULL, priority, flags, zb)); |
| 789 | 3251 } |
| 3252 | |
| 3253 /* ARGSUSED */ | |
| 3254 static int | |
| 3255 spa_scrub_cb(traverse_blk_cache_t *bc, spa_t *spa, void *a) | |
| 3256 { | |
| 3257 blkptr_t *bp = &bc->bc_blkptr; | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3258 vdev_t *vd = spa->spa_root_vdev; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3259 dva_t *dva = bp->blk_dva; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3260 int needs_resilver = B_FALSE; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3261 int d; |
| 789 | 3262 |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3263 if (bc->bc_errno) { |
| 789 | 3264 /* |
| 3265 * We can't scrub this block, but we can continue to scrub | |
| 3266 * the rest of the pool. Note the error and move along. | |
| 3267 */ | |
| 3268 mutex_enter(&spa->spa_scrub_lock); | |
| 3269 spa->spa_scrub_errors++; | |
| 3270 mutex_exit(&spa->spa_scrub_lock); | |
| 3271 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3272 mutex_enter(&vd->vdev_stat_lock); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3273 vd->vdev_stat.vs_scrub_errors++; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3274 mutex_exit(&vd->vdev_stat_lock); |
| 789 | 3275 |
| 3276 return (ERESTART); | |
| 3277 } | |
| 3278 | |
| 3279 ASSERT(bp->blk_birth < spa->spa_scrub_maxtxg); | |
| 3280 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3281 for (d = 0; d < BP_GET_NDVAS(bp); d++) { |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3282 vd = vdev_lookup_top(spa, DVA_GET_VDEV(&dva[d])); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3283 |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3284 ASSERT(vd != NULL); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3285 |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3286 /* |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3287 * Keep track of how much data we've examined so that |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3288 * zpool(1M) status can make useful progress reports. |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3289 */ |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3290 mutex_enter(&vd->vdev_stat_lock); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3291 vd->vdev_stat.vs_scrub_examined += DVA_GET_ASIZE(&dva[d]); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3292 mutex_exit(&vd->vdev_stat_lock); |
| 789 | 3293 |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3294 if (spa->spa_scrub_type == POOL_SCRUB_RESILVER) { |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3295 if (DVA_GET_GANG(&dva[d])) { |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3296 /* |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3297 * Gang members may be spread across multiple |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3298 * vdevs, so the best we can do is look at the |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3299 * pool-wide DTL. |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3300 * XXX -- it would be better to change our |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3301 * allocation policy to ensure that this can't |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3302 * happen. |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3303 */ |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3304 vd = spa->spa_root_vdev; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3305 } |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3306 if (vdev_dtl_contains(&vd->vdev_dtl_map, |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3307 bp->blk_birth, 1)) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3308 needs_resilver = B_TRUE; |
| 789 | 3309 } |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3310 } |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3311 |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3312 if (spa->spa_scrub_type == POOL_SCRUB_EVERYTHING) |
| 789 | 3313 spa_scrub_io_start(spa, bp, ZIO_PRIORITY_SCRUB, |
| 1544 | 3314 ZIO_FLAG_SCRUB, &bc->bc_bookmark); |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3315 else if (needs_resilver) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3316 spa_scrub_io_start(spa, bp, ZIO_PRIORITY_RESILVER, |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
3317 ZIO_FLAG_RESILVER, &bc->bc_bookmark); |
| 789 | 3318 |
| 3319 return (0); | |
| 3320 } | |
| 3321 | |
| 3322 static void | |
| 3323 spa_scrub_thread(spa_t *spa) | |
| 3324 { | |
| 3325 callb_cpr_t cprinfo; | |
| 3326 traverse_handle_t *th = spa->spa_scrub_th; | |
| 3327 vdev_t *rvd = spa->spa_root_vdev; | |
| 3328 pool_scrub_type_t scrub_type = spa->spa_scrub_type; | |
| 3329 int error = 0; | |
| 3330 boolean_t complete; | |
| 3331 | |
| 3332 CALLB_CPR_INIT(&cprinfo, &spa->spa_scrub_lock, callb_generic_cpr, FTAG); | |
| 3333 | |
|
797
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
3334 /* |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
3335 * If we're restarting due to a snapshot create/delete, |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
3336 * wait for that to complete. |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
3337 */ |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
3338 txg_wait_synced(spa_get_dsl(spa), 0); |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
3339 |
| 1544 | 3340 dprintf("start %s mintxg=%llu maxtxg=%llu\n", |
| 3341 scrub_type == POOL_SCRUB_RESILVER ? "resilver" : "scrub", | |
| 3342 spa->spa_scrub_mintxg, spa->spa_scrub_maxtxg); | |
| 3343 | |
| 3344 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 3345 vdev_reopen(rvd); /* purge all vdev caches */ | |
| 789 | 3346 vdev_config_dirty(rvd); /* rewrite all disk labels */ |
| 3347 vdev_scrub_stat_update(rvd, scrub_type, B_FALSE); | |
| 1544 | 3348 spa_config_exit(spa, FTAG); |
| 789 | 3349 |
| 3350 mutex_enter(&spa->spa_scrub_lock); | |
| 3351 spa->spa_scrub_errors = 0; | |
| 3352 spa->spa_scrub_active = 1; | |
| 1544 | 3353 ASSERT(spa->spa_scrub_inflight == 0); |
| 789 | 3354 |
| 3355 while (!spa->spa_scrub_stop) { | |
| 3356 CALLB_CPR_SAFE_BEGIN(&cprinfo); | |
| 1544 | 3357 while (spa->spa_scrub_suspended) { |
| 789 | 3358 spa->spa_scrub_active = 0; |
| 3359 cv_broadcast(&spa->spa_scrub_cv); | |
| 3360 cv_wait(&spa->spa_scrub_cv, &spa->spa_scrub_lock); | |
| 3361 spa->spa_scrub_active = 1; | |
| 3362 } | |
| 3363 CALLB_CPR_SAFE_END(&cprinfo, &spa->spa_scrub_lock); | |
| 3364 | |
| 3365 if (spa->spa_scrub_restart_txg != 0) | |
| 3366 break; | |
| 3367 | |
| 3368 mutex_exit(&spa->spa_scrub_lock); | |
| 3369 error = traverse_more(th); | |
| 3370 mutex_enter(&spa->spa_scrub_lock); | |
| 3371 if (error != EAGAIN) | |
| 3372 break; | |
| 3373 } | |
| 3374 | |
| 3375 while (spa->spa_scrub_inflight) | |
| 3376 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); | |
| 3377 | |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3378 spa->spa_scrub_active = 0; |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3379 cv_broadcast(&spa->spa_scrub_cv); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3380 |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3381 mutex_exit(&spa->spa_scrub_lock); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3382 |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3383 spa_config_enter(spa, RW_WRITER, FTAG); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3384 |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3385 mutex_enter(&spa->spa_scrub_lock); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3386 |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3387 /* |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3388 * Note: we check spa_scrub_restart_txg under both spa_scrub_lock |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3389 * AND the spa config lock to synchronize with any config changes |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3390 * that revise the DTLs under spa_vdev_enter() / spa_vdev_exit(). |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3391 */ |
| 789 | 3392 if (spa->spa_scrub_restart_txg != 0) |
| 3393 error = ERESTART; | |
| 3394 | |
| 1544 | 3395 if (spa->spa_scrub_stop) |
| 3396 error = EINTR; | |
| 3397 | |
| 789 | 3398 /* |
| 1544 | 3399 * Even if there were uncorrectable errors, we consider the scrub |
| 3400 * completed. The downside is that if there is a transient error during | |
| 3401 * a resilver, we won't resilver the data properly to the target. But | |
| 3402 * if the damage is permanent (more likely) we will resilver forever, | |
| 3403 * which isn't really acceptable. Since there is enough information for | |
| 3404 * the user to know what has failed and why, this seems like a more | |
| 3405 * tractable approach. | |
| 789 | 3406 */ |
| 1544 | 3407 complete = (error == 0); |
| 789 | 3408 |
| 1544 | 3409 dprintf("end %s to maxtxg=%llu %s, traverse=%d, %llu errors, stop=%u\n", |
| 3410 scrub_type == POOL_SCRUB_RESILVER ? "resilver" : "scrub", | |
| 789 | 3411 spa->spa_scrub_maxtxg, complete ? "done" : "FAILED", |
| 3412 error, spa->spa_scrub_errors, spa->spa_scrub_stop); | |
| 3413 | |
| 3414 mutex_exit(&spa->spa_scrub_lock); | |
| 3415 | |
| 3416 /* | |
| 3417 * If the scrub/resilver completed, update all DTLs to reflect this. | |
| 3418 * Whether it succeeded or not, vacate all temporary scrub DTLs. | |
| 3419 */ | |
| 3420 vdev_dtl_reassess(rvd, spa_last_synced_txg(spa) + 1, | |
| 3421 complete ? spa->spa_scrub_maxtxg : 0, B_TRUE); | |
| 3422 vdev_scrub_stat_update(rvd, POOL_SCRUB_NONE, complete); | |
| 1544 | 3423 spa_errlog_rotate(spa); |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
3424 |
| 4451 | 3425 if (scrub_type == POOL_SCRUB_RESILVER && complete) |
| 3426 spa_event_notify(spa, NULL, ESC_ZFS_RESILVER_FINISH); | |
| 3427 | |
| 1544 | 3428 spa_config_exit(spa, FTAG); |
| 789 | 3429 |
| 3430 mutex_enter(&spa->spa_scrub_lock); | |
| 3431 | |
| 1544 | 3432 /* |
| 3433 * We may have finished replacing a device. | |
| 3434 * Let the async thread assess this and handle the detach. | |
| 3435 */ | |
| 4451 | 3436 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 789 | 3437 |
| 3438 /* | |
| 3439 * If we were told to restart, our final act is to start a new scrub. | |
| 3440 */ | |
| 3441 if (error == ERESTART) | |
| 1544 | 3442 spa_async_request(spa, scrub_type == POOL_SCRUB_RESILVER ? |
| 3443 SPA_ASYNC_RESILVER : SPA_ASYNC_SCRUB); | |
| 789 | 3444 |
| 1544 | 3445 spa->spa_scrub_type = POOL_SCRUB_NONE; |
| 3446 spa->spa_scrub_active = 0; | |
| 3447 spa->spa_scrub_thread = NULL; | |
| 3448 cv_broadcast(&spa->spa_scrub_cv); | |
| 789 | 3449 CALLB_CPR_EXIT(&cprinfo); /* drops &spa->spa_scrub_lock */ |
| 3450 thread_exit(); | |
| 3451 } | |
| 3452 | |
| 3453 void | |
| 3454 spa_scrub_suspend(spa_t *spa) | |
| 3455 { | |
| 3456 mutex_enter(&spa->spa_scrub_lock); | |
| 1544 | 3457 spa->spa_scrub_suspended++; |
| 789 | 3458 while (spa->spa_scrub_active) { |
| 3459 cv_broadcast(&spa->spa_scrub_cv); | |
| 3460 cv_wait(&spa->spa_scrub_cv, &spa->spa_scrub_lock); | |
| 3461 } | |
| 3462 while (spa->spa_scrub_inflight) | |
| 3463 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); | |
| 3464 mutex_exit(&spa->spa_scrub_lock); | |
| 3465 } | |
| 3466 | |
| 3467 void | |
| 3468 spa_scrub_resume(spa_t *spa) | |
| 3469 { | |
| 3470 mutex_enter(&spa->spa_scrub_lock); | |
| 1544 | 3471 ASSERT(spa->spa_scrub_suspended != 0); |
| 3472 if (--spa->spa_scrub_suspended == 0) | |
| 789 | 3473 cv_broadcast(&spa->spa_scrub_cv); |
| 3474 mutex_exit(&spa->spa_scrub_lock); | |
| 3475 } | |
| 3476 | |
| 3477 void | |
| 3478 spa_scrub_restart(spa_t *spa, uint64_t txg) | |
| 3479 { | |
| 3480 /* | |
| 3481 * Something happened (e.g. snapshot create/delete) that means | |
| 3482 * we must restart any in-progress scrubs. The itinerary will | |
| 3483 * fix this properly. | |
| 3484 */ | |
| 3485 mutex_enter(&spa->spa_scrub_lock); | |
| 3486 spa->spa_scrub_restart_txg = txg; | |
| 3487 mutex_exit(&spa->spa_scrub_lock); | |
| 3488 } | |
| 3489 | |
| 1544 | 3490 int |
| 3491 spa_scrub(spa_t *spa, pool_scrub_type_t type, boolean_t force) | |
| 789 | 3492 { |
| 3493 space_seg_t *ss; | |
| 3494 uint64_t mintxg, maxtxg; | |
| 3495 vdev_t *rvd = spa->spa_root_vdev; | |
| 3496 | |
| 4808 | 3497 ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
| 3498 ASSERT(!spa_config_held(spa, RW_WRITER)); | |
| 3499 | |
| 789 | 3500 if ((uint_t)type >= POOL_SCRUB_TYPES) |
| 3501 return (ENOTSUP); | |
| 3502 | |
| 1544 | 3503 mutex_enter(&spa->spa_scrub_lock); |
| 3504 | |
| 789 | 3505 /* |
| 3506 * If there's a scrub or resilver already in progress, stop it. | |
| 3507 */ | |
| 3508 while (spa->spa_scrub_thread != NULL) { | |
| 3509 /* | |
| 3510 * Don't stop a resilver unless forced. | |
| 3511 */ | |
| 1544 | 3512 if (spa->spa_scrub_type == POOL_SCRUB_RESILVER && !force) { |
| 3513 mutex_exit(&spa->spa_scrub_lock); | |
| 789 | 3514 return (EBUSY); |
| 1544 | 3515 } |
| 789 | 3516 spa->spa_scrub_stop = 1; |
| 3517 cv_broadcast(&spa->spa_scrub_cv); | |
| 3518 cv_wait(&spa->spa_scrub_cv, &spa->spa_scrub_lock); | |
| 3519 } | |
| 3520 | |
| 3521 /* | |
| 3522 * Terminate the previous traverse. | |
| 3523 */ | |
| 3524 if (spa->spa_scrub_th != NULL) { | |
| 3525 traverse_fini(spa->spa_scrub_th); | |
| 3526 spa->spa_scrub_th = NULL; | |
| 3527 } | |
| 3528 | |
| 1544 | 3529 if (rvd == NULL) { |
| 3530 ASSERT(spa->spa_scrub_stop == 0); | |
| 3531 ASSERT(spa->spa_scrub_type == type); | |
| 3532 ASSERT(spa->spa_scrub_restart_txg == 0); | |
| 3533 mutex_exit(&spa->spa_scrub_lock); | |
| 3534 return (0); | |
| 3535 } | |
| 789 | 3536 |
| 3537 mintxg = TXG_INITIAL - 1; | |
| 3538 maxtxg = spa_last_synced_txg(spa) + 1; | |
| 3539 | |
| 1544 | 3540 mutex_enter(&rvd->vdev_dtl_lock); |
| 789 | 3541 |
| 1544 | 3542 if (rvd->vdev_dtl_map.sm_space == 0) { |
| 3543 /* | |
| 3544 * The pool-wide DTL is empty. | |
| 1732 | 3545 * If this is a resilver, there's nothing to do except |
| 3546 * check whether any in-progress replacements have completed. | |
| 1544 | 3547 */ |
| 1732 | 3548 if (type == POOL_SCRUB_RESILVER) { |
| 1544 | 3549 type = POOL_SCRUB_NONE; |
| 4451 | 3550 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 1732 | 3551 } |
| 1544 | 3552 } else { |
| 3553 /* | |
| 3554 * The pool-wide DTL is non-empty. | |
| 3555 * If this is a normal scrub, upgrade to a resilver instead. | |
| 3556 */ | |
| 3557 if (type == POOL_SCRUB_EVERYTHING) | |
| 3558 type = POOL_SCRUB_RESILVER; | |
| 3559 } | |
| 789 | 3560 |
| 1544 | 3561 if (type == POOL_SCRUB_RESILVER) { |
| 789 | 3562 /* |
| 3563 * Determine the resilvering boundaries. | |
| 3564 * | |
| 3565 * Note: (mintxg, maxtxg) is an open interval, | |
| 3566 * i.e. mintxg and maxtxg themselves are not included. | |
| 3567 * | |
| 3568 * Note: for maxtxg, we MIN with spa_last_synced_txg(spa) + 1 | |
| 3569 * so we don't claim to resilver a txg that's still changing. | |
| 3570 */ | |
| 3571 ss = avl_first(&rvd->vdev_dtl_map.sm_root); | |
| 1544 | 3572 mintxg = ss->ss_start - 1; |
| 789 | 3573 ss = avl_last(&rvd->vdev_dtl_map.sm_root); |
| 1544 | 3574 maxtxg = MIN(ss->ss_end, maxtxg); |
| 4451 | 3575 |
| 3576 spa_event_notify(spa, NULL, ESC_ZFS_RESILVER_START); | |
| 789 | 3577 } |
| 3578 | |
| 1544 | 3579 mutex_exit(&rvd->vdev_dtl_lock); |
| 3580 | |
| 3581 spa->spa_scrub_stop = 0; | |
| 3582 spa->spa_scrub_type = type; | |
| 3583 spa->spa_scrub_restart_txg = 0; | |
| 3584 | |
| 3585 if (type != POOL_SCRUB_NONE) { | |
| 3586 spa->spa_scrub_mintxg = mintxg; | |
| 789 | 3587 spa->spa_scrub_maxtxg = maxtxg; |
| 3588 spa->spa_scrub_th = traverse_init(spa, spa_scrub_cb, NULL, | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3589 ADVANCE_PRE | ADVANCE_PRUNE | ADVANCE_ZIL, |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3590 ZIO_FLAG_CANFAIL); |
| 789 | 3591 traverse_add_pool(spa->spa_scrub_th, mintxg, maxtxg); |
| 3592 spa->spa_scrub_thread = thread_create(NULL, 0, | |
| 3593 spa_scrub_thread, spa, 0, &p0, TS_RUN, minclsyspri); | |
| 3594 } | |
| 3595 | |
| 1544 | 3596 mutex_exit(&spa->spa_scrub_lock); |
| 3597 | |
| 789 | 3598 return (0); |
| 3599 } | |
| 3600 | |
| 1544 | 3601 /* |
| 3602 * ========================================================================== | |
| 3603 * SPA async task processing | |
| 3604 * ========================================================================== | |
| 3605 */ | |
| 3606 | |
| 3607 static void | |
| 4451 | 3608 spa_async_remove(spa_t *spa, vdev_t *vd) |
| 789 | 3609 { |
| 1544 | 3610 vdev_t *tvd; |
| 3611 int c; | |
| 3612 | |
| 4451 | 3613 for (c = 0; c < vd->vdev_children; c++) { |
| 3614 tvd = vd->vdev_child[c]; | |
| 3615 if (tvd->vdev_remove_wanted) { | |
| 3616 tvd->vdev_remove_wanted = 0; | |
| 3617 vdev_set_state(tvd, B_FALSE, VDEV_STATE_REMOVED, | |
| 3618 VDEV_AUX_NONE); | |
| 5329 | 3619 vdev_clear(spa, tvd, B_TRUE); |
| 4451 | 3620 vdev_config_dirty(tvd->vdev_top); |
| 1544 | 3621 } |
| 4451 | 3622 spa_async_remove(spa, tvd); |
| 1544 | 3623 } |
| 3624 } | |
| 3625 | |
| 3626 static void | |
| 3627 spa_async_thread(spa_t *spa) | |
| 3628 { | |
| 3629 int tasks; | |
| 4451 | 3630 uint64_t txg; |
| 1544 | 3631 |
| 3632 ASSERT(spa->spa_sync_on); | |
| 789 | 3633 |
| 1544 | 3634 mutex_enter(&spa->spa_async_lock); |
| 3635 tasks = spa->spa_async_tasks; | |
| 3636 spa->spa_async_tasks = 0; | |
| 3637 mutex_exit(&spa->spa_async_lock); | |
| 3638 | |
| 3639 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3640 * See if the config needs to be updated. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3641 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3642 if (tasks & SPA_ASYNC_CONFIG_UPDATE) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3643 mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3644 spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3645 mutex_exit(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3646 } |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3647 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3648 /* |
| 4451 | 3649 * See if any devices need to be marked REMOVED. |
| 5329 | 3650 * |
| 3651 * XXX - We avoid doing this when we are in | |
| 3652 * I/O failure state since spa_vdev_enter() grabs | |
| 3653 * the namespace lock and would not be able to obtain | |
| 3654 * the writer config lock. | |
| 1544 | 3655 */ |
| 5329 | 3656 if (tasks & SPA_ASYNC_REMOVE && |
| 3657 spa_state(spa) != POOL_STATE_IO_FAILURE) { | |
| 4451 | 3658 txg = spa_vdev_enter(spa); |
| 3659 spa_async_remove(spa, spa->spa_root_vdev); | |
| 3660 (void) spa_vdev_exit(spa, NULL, txg, 0); | |
| 3661 } | |
| 1544 | 3662 |
| 3663 /* | |
| 3664 * If any devices are done replacing, detach them. | |
| 3665 */ | |
| 4451 | 3666 if (tasks & SPA_ASYNC_RESILVER_DONE) |
| 3667 spa_vdev_resilver_done(spa); | |
| 789 | 3668 |
| 1544 | 3669 /* |
| 4451 | 3670 * Kick off a scrub. When starting a RESILVER scrub (or an EVERYTHING |
| 3671 * scrub which can become a resilver), we need to hold | |
| 3672 * spa_namespace_lock() because the sysevent we post via | |
| 3673 * spa_event_notify() needs to get the name of the pool. | |
| 1544 | 3674 */ |
| 4451 | 3675 if (tasks & SPA_ASYNC_SCRUB) { |
| 3676 mutex_enter(&spa_namespace_lock); | |
| 1544 | 3677 VERIFY(spa_scrub(spa, POOL_SCRUB_EVERYTHING, B_TRUE) == 0); |
| 4451 | 3678 mutex_exit(&spa_namespace_lock); |
| 3679 } | |
| 1544 | 3680 |
| 3681 /* | |
| 3682 * Kick off a resilver. | |
| 3683 */ | |
| 4451 | 3684 if (tasks & SPA_ASYNC_RESILVER) { |
| 3685 mutex_enter(&spa_namespace_lock); | |
| 1544 | 3686 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); |
| 4451 | 3687 mutex_exit(&spa_namespace_lock); |
| 3688 } | |
| 1544 | 3689 |
| 3690 /* | |
| 3691 * Let the world know that we're done. | |
| 3692 */ | |
| 3693 mutex_enter(&spa->spa_async_lock); | |
| 3694 spa->spa_async_thread = NULL; | |
| 3695 cv_broadcast(&spa->spa_async_cv); | |
| 3696 mutex_exit(&spa->spa_async_lock); | |
| 3697 thread_exit(); | |
| 3698 } | |
| 3699 | |
| 3700 void | |
| 3701 spa_async_suspend(spa_t *spa) | |
| 3702 { | |
| 3703 mutex_enter(&spa->spa_async_lock); | |
| 3704 spa->spa_async_suspended++; | |
| 3705 while (spa->spa_async_thread != NULL) | |
| 3706 cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); | |
| 3707 mutex_exit(&spa->spa_async_lock); | |
| 3708 } | |
| 3709 | |
| 3710 void | |
| 3711 spa_async_resume(spa_t *spa) | |
| 3712 { | |
| 3713 mutex_enter(&spa->spa_async_lock); | |
| 3714 ASSERT(spa->spa_async_suspended != 0); | |
| 3715 spa->spa_async_suspended--; | |
| 3716 mutex_exit(&spa->spa_async_lock); | |
| 3717 } | |
| 3718 | |
| 3719 static void | |
| 3720 spa_async_dispatch(spa_t *spa) | |
| 3721 { | |
| 3722 mutex_enter(&spa->spa_async_lock); | |
| 3723 if (spa->spa_async_tasks && !spa->spa_async_suspended && | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3724 spa->spa_async_thread == NULL && |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3725 rootdir != NULL && !vn_is_readonly(rootdir)) |
| 1544 | 3726 spa->spa_async_thread = thread_create(NULL, 0, |
| 3727 spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); | |
| 3728 mutex_exit(&spa->spa_async_lock); | |
| 3729 } | |
| 3730 | |
| 3731 void | |
| 3732 spa_async_request(spa_t *spa, int task) | |
| 3733 { | |
| 3734 mutex_enter(&spa->spa_async_lock); | |
| 3735 spa->spa_async_tasks |= task; | |
| 3736 mutex_exit(&spa->spa_async_lock); | |
| 789 | 3737 } |
| 3738 | |
| 3739 /* | |
| 3740 * ========================================================================== | |
| 3741 * SPA syncing routines | |
| 3742 * ========================================================================== | |
| 3743 */ | |
| 3744 | |
| 3745 static void | |
| 3746 spa_sync_deferred_frees(spa_t *spa, uint64_t txg) | |
| 3747 { | |
| 3748 bplist_t *bpl = &spa->spa_sync_bplist; | |
| 3749 dmu_tx_t *tx; | |
| 3750 blkptr_t blk; | |
| 3751 uint64_t itor = 0; | |
| 3752 zio_t *zio; | |
| 3753 int error; | |
| 3754 uint8_t c = 1; | |
| 3755 | |
| 3756 zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CONFIG_HELD); | |
| 3757 | |
| 3758 while (bplist_iterate(bpl, &itor, &blk) == 0) | |
| 3759 zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL)); | |
| 3760 | |
| 3761 error = zio_wait(zio); | |
| 3762 ASSERT3U(error, ==, 0); | |
| 3763 | |
| 3764 tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); | |
| 3765 bplist_vacate(bpl, tx); | |
| 3766 | |
| 3767 /* | |
| 3768 * Pre-dirty the first block so we sync to convergence faster. | |
| 3769 * (Usually only the first block is needed.) | |
| 3770 */ | |
| 3771 dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); | |
| 3772 dmu_tx_commit(tx); | |
| 3773 } | |
| 3774 | |
| 3775 static void | |
| 2082 | 3776 spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
| 3777 { | |
| 3778 char *packed = NULL; | |
| 3779 size_t nvsize = 0; | |
| 3780 dmu_buf_t *db; | |
| 3781 | |
| 3782 VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); | |
| 3783 | |
| 3784 packed = kmem_alloc(nvsize, KM_SLEEP); | |
| 3785 | |
| 3786 VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, | |
| 3787 KM_SLEEP) == 0); | |
| 3788 | |
| 3789 dmu_write(spa->spa_meta_objset, obj, 0, nvsize, packed, tx); | |
| 3790 | |
| 3791 kmem_free(packed, nvsize); | |
| 3792 | |
| 3793 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 3794 dmu_buf_will_dirty(db, tx); | |
| 3795 *(uint64_t *)db->db_data = nvsize; | |
| 3796 dmu_buf_rele(db, FTAG); | |
| 3797 } | |
| 3798 | |
| 3799 static void | |
| 5450 | 3800 spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, |
| 3801 const char *config, const char *entry) | |
| 2082 | 3802 { |
| 3803 nvlist_t *nvroot; | |
| 5450 | 3804 nvlist_t **list; |
| 2082 | 3805 int i; |
| 3806 | |
| 5450 | 3807 if (!sav->sav_sync) |
| 2082 | 3808 return; |
| 3809 | |
| 3810 /* | |
| 5450 | 3811 * Update the MOS nvlist describing the list of available devices. |
| 3812 * spa_validate_aux() will have already made sure this nvlist is | |
| 4451 | 3813 * valid and the vdevs are labeled appropriately. |
| 2082 | 3814 */ |
| 5450 | 3815 if (sav->sav_object == 0) { |
| 3816 sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 3817 DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, | |
| 3818 sizeof (uint64_t), tx); | |
| 2082 | 3819 VERIFY(zap_update(spa->spa_meta_objset, |
| 5450 | 3820 DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, |
| 3821 &sav->sav_object, tx) == 0); | |
| 2082 | 3822 } |
| 3823 | |
| 3824 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 5450 | 3825 if (sav->sav_count == 0) { |
| 3826 VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); | |
| 2082 | 3827 } else { |
| 5450 | 3828 list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
| 3829 for (i = 0; i < sav->sav_count; i++) | |
| 3830 list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], | |
| 3831 B_FALSE, B_FALSE, B_TRUE); | |
| 3832 VERIFY(nvlist_add_nvlist_array(nvroot, config, list, | |
| 3833 sav->sav_count) == 0); | |
| 3834 for (i = 0; i < sav->sav_count; i++) | |
| 3835 nvlist_free(list[i]); | |
| 3836 kmem_free(list, sav->sav_count * sizeof (void *)); | |
| 2082 | 3837 } |
| 3838 | |
| 5450 | 3839 spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); |
| 2926 | 3840 nvlist_free(nvroot); |
| 2082 | 3841 |
| 5450 | 3842 sav->sav_sync = B_FALSE; |
| 2082 | 3843 } |
| 3844 | |
| 3845 static void | |
| 789 | 3846 spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
| 3847 { | |
| 3848 nvlist_t *config; | |
| 3849 | |
| 3850 if (list_is_empty(&spa->spa_dirty_list)) | |
| 3851 return; | |
| 3852 | |
| 3853 config = spa_config_generate(spa, NULL, dmu_tx_get_txg(tx), B_FALSE); | |
| 3854 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3855 if (spa->spa_config_syncing) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3856 nvlist_free(spa->spa_config_syncing); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3857 spa->spa_config_syncing = config; |
| 789 | 3858 |
| 2082 | 3859 spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
| 789 | 3860 } |
| 3861 | |
| 5094 | 3862 /* |
| 3863 * Set zpool properties. | |
| 3864 */ | |
| 3912 | 3865 static void |
| 4543 | 3866 spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
| 3912 | 3867 { |
| 3868 spa_t *spa = arg1; | |
| 5094 | 3869 objset_t *mos = spa->spa_meta_objset; |
| 3912 | 3870 nvlist_t *nvp = arg2; |
| 5094 | 3871 nvpair_t *elem; |
| 4451 | 3872 uint64_t intval; |
| 5363 | 3873 char *strval, *slash; |
| 5094 | 3874 zpool_prop_t prop; |
| 3875 const char *propname; | |
| 3876 zprop_type_t proptype; | |
| 3877 | |
| 3878 elem = NULL; | |
| 3879 while ((elem = nvlist_next_nvpair(nvp, elem))) { | |
| 3880 switch (prop = zpool_name_to_prop(nvpair_name(elem))) { | |
| 3881 case ZPOOL_PROP_VERSION: | |
| 3882 /* | |
| 3883 * Only set version for non-zpool-creation cases | |
| 3884 * (set/import). spa_create() needs special care | |
| 3885 * for version setting. | |
| 3886 */ | |
| 3887 if (tx->tx_txg != TXG_INITIAL) { | |
| 3888 VERIFY(nvpair_value_uint64(elem, | |
| 3889 &intval) == 0); | |
| 3890 ASSERT(intval <= SPA_VERSION); | |
| 3891 ASSERT(intval >= spa_version(spa)); | |
| 3892 spa->spa_uberblock.ub_version = intval; | |
| 3893 vdev_config_dirty(spa->spa_root_vdev); | |
| 3894 } | |
| 3895 break; | |
| 3896 | |
| 3897 case ZPOOL_PROP_ALTROOT: | |
| 3898 /* | |
| 3899 * 'altroot' is a non-persistent property. It should | |
| 3900 * have been set temporarily at creation or import time. | |
| 3901 */ | |
| 3902 ASSERT(spa->spa_root != NULL); | |
| 3903 break; | |
| 3904 | |
| 5363 | 3905 case ZPOOL_PROP_CACHEFILE: |
| 5094 | 3906 /* |
| 5363 | 3907 * 'cachefile' is a non-persistent property, but note |
| 3908 * an async request that the config cache needs to be | |
| 3909 * udpated. | |
| 5094 | 3910 */ |
| 5363 | 3911 VERIFY(nvpair_value_string(elem, &strval) == 0); |
| 3912 if (spa->spa_config_dir) | |
| 3913 spa_strfree(spa->spa_config_dir); | |
| 3914 if (spa->spa_config_file) | |
| 3915 spa_strfree(spa->spa_config_file); | |
| 3916 | |
| 3917 if (strval[0] == '\0') { | |
| 3918 spa->spa_config_dir = NULL; | |
| 3919 spa->spa_config_file = NULL; | |
| 3920 } else if (strcmp(strval, "none") == 0) { | |
| 3921 spa->spa_config_dir = spa_strdup(strval); | |
| 3922 spa->spa_config_file = NULL; | |
| 3923 } else { | |
|
5621
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3924 /* |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3925 * If the cachefile is in the root directory, |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3926 * we will end up with an empty string for |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3927 * spa_config_dir. This value is only ever |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3928 * used when concatenated with '/', so an empty |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3929 * string still behaves correctly and keeps the |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3930 * rest of the code simple. |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3931 */ |
| 5363 | 3932 slash = strrchr(strval, '/'); |
| 3933 ASSERT(slash != NULL); | |
| 3934 *slash = '\0'; | |
|
5621
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3935 if (strcmp(strval, spa_config_dir) == 0 && |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3936 strcmp(slash + 1, ZPOOL_CACHE_FILE) == 0) { |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3937 spa->spa_config_dir = NULL; |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3938 spa->spa_config_file = NULL; |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3939 } else { |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3940 spa->spa_config_dir = |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3941 spa_strdup(strval); |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3942 spa->spa_config_file = |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3943 spa_strdup(slash + 1); |
|
cd0984d5b1c1
6627006 setting cachefile to default value confuses ZFS
eschrock
parents:
5450
diff
changeset
|
3944 } |
| 5363 | 3945 } |
| 3946 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); | |
| 4543 | 3947 break; |
| 5094 | 3948 default: |
| 3949 /* | |
| 3950 * Set pool property values in the poolprops mos object. | |
| 3951 */ | |
| 3952 mutex_enter(&spa->spa_props_lock); | |
| 3953 if (spa->spa_pool_props_object == 0) { | |
| 3954 objset_t *mos = spa->spa_meta_objset; | |
| 3955 | |
| 3956 VERIFY((spa->spa_pool_props_object = | |
| 3957 zap_create(mos, DMU_OT_POOL_PROPS, | |
| 3958 DMU_OT_NONE, 0, tx)) > 0); | |
| 3959 | |
| 3960 VERIFY(zap_update(mos, | |
| 3961 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, | |
| 3962 8, 1, &spa->spa_pool_props_object, tx) | |
| 3963 == 0); | |
| 3964 } | |
| 3965 mutex_exit(&spa->spa_props_lock); | |
| 3966 | |
| 3967 /* normalize the property name */ | |
| 3968 propname = zpool_prop_to_name(prop); | |
| 3969 proptype = zpool_prop_get_type(prop); | |
| 3970 | |
| 3971 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 3972 ASSERT(proptype == PROP_TYPE_STRING); | |
| 3973 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 3974 VERIFY(zap_update(mos, | |
| 3975 spa->spa_pool_props_object, propname, | |
| 3976 1, strlen(strval) + 1, strval, tx) == 0); | |
| 3977 | |
| 3978 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { | |
| 3979 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 3980 | |
| 3981 if (proptype == PROP_TYPE_INDEX) { | |
| 3982 const char *unused; | |
| 3983 VERIFY(zpool_prop_index_to_string( | |
| 3984 prop, intval, &unused) == 0); | |
| 3985 } | |
| 3986 VERIFY(zap_update(mos, | |
| 3987 spa->spa_pool_props_object, propname, | |
| 3988 8, 1, &intval, tx) == 0); | |
| 3989 } else { | |
| 3990 ASSERT(0); /* not allowed */ | |
| 3991 } | |
| 3992 | |
| 5329 | 3993 switch (prop) { |
| 3994 case ZPOOL_PROP_DELEGATION: | |
| 5094 | 3995 spa->spa_delegation = intval; |
| 5329 | 3996 break; |
| 3997 case ZPOOL_PROP_BOOTFS: | |
| 5094 | 3998 spa->spa_bootfs = intval; |
| 5329 | 3999 break; |
| 4000 case ZPOOL_PROP_FAILUREMODE: | |
| 4001 spa->spa_failmode = intval; | |
| 4002 break; | |
| 4003 default: | |
| 4004 break; | |
| 4005 } | |
| 3912 | 4006 } |
| 5094 | 4007 |
| 4008 /* log internal history if this is not a zpool create */ | |
| 4009 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && | |
| 4010 tx->tx_txg != TXG_INITIAL) { | |
| 4011 spa_history_internal_log(LOG_POOL_PROPSET, | |
| 4012 spa, tx, cr, "%s %lld %s", | |
| 4013 nvpair_name(elem), intval, spa->spa_name); | |
| 4014 } | |
| 3912 | 4015 } |
| 4016 } | |
| 4017 | |
| 789 | 4018 /* |
| 4019 * Sync the specified transaction group. New blocks may be dirtied as | |
| 4020 * part of the process, so we iterate until it converges. | |
| 4021 */ | |
| 4022 void | |
| 4023 spa_sync(spa_t *spa, uint64_t txg) | |
| 4024 { | |
| 4025 dsl_pool_t *dp = spa->spa_dsl_pool; | |
| 4026 objset_t *mos = spa->spa_meta_objset; | |
| 4027 bplist_t *bpl = &spa->spa_sync_bplist; | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4028 vdev_t *rvd = spa->spa_root_vdev; |
| 789 | 4029 vdev_t *vd; |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4030 vdev_t *svd[SPA_DVAS_PER_BP]; |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4031 int svdcount = 0; |
| 789 | 4032 dmu_tx_t *tx; |
| 4033 int dirty_vdevs; | |
| 4034 | |
| 4035 /* | |
| 4036 * Lock out configuration changes. | |
| 4037 */ | |
| 1544 | 4038 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 4039 |
| 4040 spa->spa_syncing_txg = txg; | |
| 4041 spa->spa_sync_pass = 0; | |
| 4042 | |
| 1544 | 4043 VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
| 789 | 4044 |
| 2082 | 4045 tx = dmu_tx_create_assigned(dp, txg); |
| 4046 | |
| 4047 /* | |
| 4577 | 4048 * If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
| 2082 | 4049 * set spa_deflate if we have no raid-z vdevs. |
| 4050 */ | |
| 4577 | 4051 if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
| 4052 spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2082 | 4053 int i; |
| 4054 | |
| 4055 for (i = 0; i < rvd->vdev_children; i++) { | |
| 4056 vd = rvd->vdev_child[i]; | |
| 4057 if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) | |
| 4058 break; | |
| 4059 } | |
| 4060 if (i == rvd->vdev_children) { | |
| 4061 spa->spa_deflate = TRUE; | |
| 4062 VERIFY(0 == zap_add(spa->spa_meta_objset, | |
| 4063 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 4064 sizeof (uint64_t), 1, &spa->spa_deflate, tx)); | |
| 4065 } | |
| 4066 } | |
| 4067 | |
| 789 | 4068 /* |
| 4069 * If anything has changed in this txg, push the deferred frees | |
| 4070 * from the previous txg. If not, leave them alone so that we | |
| 4071 * don't generate work on an otherwise idle system. | |
| 4072 */ | |
| 4073 if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || | |
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4074 !txg_list_empty(&dp->dp_dirty_dirs, txg) || |
|
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
4075 !txg_list_empty(&dp->dp_sync_tasks, txg)) |
| 789 | 4076 spa_sync_deferred_frees(spa, txg); |
| 4077 | |
| 4078 /* | |
| 4079 * Iterate to convergence. | |
| 4080 */ | |
| 4081 do { | |
| 4082 spa->spa_sync_pass++; | |
| 4083 | |
| 4084 spa_sync_config_object(spa, tx); | |
| 5450 | 4085 spa_sync_aux_dev(spa, &spa->spa_spares, tx, |
| 4086 ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); | |
| 4087 spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, | |
| 4088 ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); | |
| 1544 | 4089 spa_errlog_sync(spa, txg); |
| 789 | 4090 dsl_pool_sync(dp, txg); |
| 4091 | |
| 4092 dirty_vdevs = 0; | |
| 4093 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) { | |
| 4094 vdev_sync(vd, txg); | |
| 4095 dirty_vdevs++; | |
| 4096 } | |
| 4097 | |
| 4098 bplist_sync(bpl, tx); | |
| 4099 } while (dirty_vdevs); | |
| 4100 | |
| 4101 bplist_close(bpl); | |
| 4102 | |
| 4103 dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass); | |
| 4104 | |
| 4105 /* | |
| 4106 * Rewrite the vdev configuration (which includes the uberblock) | |
| 4107 * to commit the transaction group. | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4108 * |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4109 * If there are no dirty vdevs, we sync the uberblock to a few |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4110 * random top-level vdevs that are known to be visible in the |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4111 * config cache (see spa_vdev_add() for details). If there *are* |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4112 * dirty vdevs -- or if the sync to our random subset fails -- |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4113 * then sync the uberblock to all vdevs. |
| 789 | 4114 */ |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4115 if (list_is_empty(&spa->spa_dirty_list)) { |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4116 int children = rvd->vdev_children; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4117 int c0 = spa_get_random(children); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4118 int c; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4119 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4120 for (c = 0; c < children; c++) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4121 vd = rvd->vdev_child[(c0 + c) % children]; |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4122 if (vd->vdev_ms_array == 0 || vd->vdev_islog) |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4123 continue; |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4124 svd[svdcount++] = vd; |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4125 if (svdcount == SPA_DVAS_PER_BP) |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4126 break; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4127 } |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4128 } |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4129 if (svdcount == 0 || vdev_config_sync(svd, svdcount, txg) != 0) |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4130 VERIFY3U(vdev_config_sync(rvd->vdev_child, |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4131 rvd->vdev_children, txg), ==, 0); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4132 |
| 2082 | 4133 dmu_tx_commit(tx); |
| 4134 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4135 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4136 * Clear the dirty config list. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4137 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4138 while ((vd = list_head(&spa->spa_dirty_list)) != NULL) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4139 vdev_config_clean(vd); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4140 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4141 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4142 * 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
|
4143 * 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
|
4144 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4145 if (spa->spa_config_syncing != NULL) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4146 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
|
4147 spa->spa_config_txg = txg; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4148 spa->spa_config_syncing = NULL; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4149 } |
| 789 | 4150 |
| 4151 /* | |
| 4152 * Make a stable copy of the fully synced uberblock. | |
| 4153 * We use this as the root for pool traversals. | |
| 4154 */ | |
| 4155 spa->spa_traverse_wanted = 1; /* tells traverse_more() to stop */ | |
| 4156 | |
| 4157 spa_scrub_suspend(spa); /* stop scrubbing and finish I/Os */ | |
| 4158 | |
| 4159 rw_enter(&spa->spa_traverse_lock, RW_WRITER); | |
| 4160 spa->spa_traverse_wanted = 0; | |
| 4161 spa->spa_ubsync = spa->spa_uberblock; | |
| 4162 rw_exit(&spa->spa_traverse_lock); | |
| 4163 | |
| 4164 spa_scrub_resume(spa); /* resume scrub with new ubsync */ | |
| 4165 | |
| 4166 /* | |
| 4167 * Clean up the ZIL records for the synced txg. | |
| 4168 */ | |
| 4169 dsl_pool_zil_clean(dp); | |
| 4170 | |
| 4171 /* | |
| 4172 * Update usable space statistics. | |
| 4173 */ | |
| 4174 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) | |
| 4175 vdev_sync_done(vd, txg); | |
| 4176 | |
| 4177 /* | |
| 4178 * It had better be the case that we didn't dirty anything | |
| 2082 | 4179 * since vdev_config_sync(). |
| 789 | 4180 */ |
| 4181 ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); | |
| 4182 ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); | |
| 4183 ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); | |
| 4184 ASSERT(bpl->bpl_queue == NULL); | |
| 4185 | |
| 1544 | 4186 spa_config_exit(spa, FTAG); |
| 4187 | |
| 4188 /* | |
| 4189 * If any async tasks have been requested, kick them off. | |
| 4190 */ | |
| 4191 spa_async_dispatch(spa); | |
| 789 | 4192 } |
| 4193 | |
| 4194 /* | |
| 4195 * Sync all pools. We don't want to hold the namespace lock across these | |
| 4196 * operations, so we take a reference on the spa_t and drop the lock during the | |
| 4197 * sync. | |
| 4198 */ | |
| 4199 void | |
| 4200 spa_sync_allpools(void) | |
| 4201 { | |
| 4202 spa_t *spa = NULL; | |
| 4203 mutex_enter(&spa_namespace_lock); | |
| 4204 while ((spa = spa_next(spa)) != NULL) { | |
| 4205 if (spa_state(spa) != POOL_STATE_ACTIVE) | |
| 4206 continue; | |
| 4207 spa_open_ref(spa, FTAG); | |
| 4208 mutex_exit(&spa_namespace_lock); | |
| 4209 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 4210 mutex_enter(&spa_namespace_lock); | |
| 4211 spa_close(spa, FTAG); | |
| 4212 } | |
| 4213 mutex_exit(&spa_namespace_lock); | |
| 4214 } | |
| 4215 | |
| 4216 /* | |
| 4217 * ========================================================================== | |
| 4218 * Miscellaneous routines | |
| 4219 * ========================================================================== | |
| 4220 */ | |
| 4221 | |
| 4222 /* | |
| 4223 * Remove all pools in the system. | |
| 4224 */ | |
| 4225 void | |
| 4226 spa_evict_all(void) | |
| 4227 { | |
| 4228 spa_t *spa; | |
| 4229 | |
| 4230 /* | |
| 4231 * Remove all cached state. All pools should be closed now, | |
| 4232 * so every spa in the AVL tree should be unreferenced. | |
| 4233 */ | |
| 4234 mutex_enter(&spa_namespace_lock); | |
| 4235 while ((spa = spa_next(NULL)) != NULL) { | |
| 4236 /* | |
| 1544 | 4237 * Stop async tasks. The async thread may need to detach |
| 4238 * a device that's been replaced, which requires grabbing | |
| 4239 * spa_namespace_lock, so we must drop it here. | |
| 789 | 4240 */ |
| 4241 spa_open_ref(spa, FTAG); | |
| 4242 mutex_exit(&spa_namespace_lock); | |
| 1544 | 4243 spa_async_suspend(spa); |
| 4808 | 4244 mutex_enter(&spa_namespace_lock); |
| 789 | 4245 VERIFY(spa_scrub(spa, POOL_SCRUB_NONE, B_TRUE) == 0); |
| 4246 spa_close(spa, FTAG); | |
| 4247 | |
| 4248 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { | |
| 4249 spa_unload(spa); | |
| 4250 spa_deactivate(spa); | |
| 4251 } | |
| 4252 spa_remove(spa); | |
| 4253 } | |
| 4254 mutex_exit(&spa_namespace_lock); | |
| 4255 } | |
| 1544 | 4256 |
| 4257 vdev_t * | |
| 4258 spa_lookup_by_guid(spa_t *spa, uint64_t guid) | |
| 4259 { | |
| 4260 return (vdev_lookup_by_guid(spa->spa_root_vdev, guid)); | |
| 4261 } | |
| 1760 | 4262 |
| 4263 void | |
| 5094 | 4264 spa_upgrade(spa_t *spa, uint64_t version) |
| 1760 | 4265 { |
| 4266 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 4267 | |
| 4268 /* | |
| 4269 * This should only be called for a non-faulted pool, and since a | |
| 4270 * future version would result in an unopenable pool, this shouldn't be | |
| 4271 * possible. | |
| 4272 */ | |
| 4577 | 4273 ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
| 5094 | 4274 ASSERT(version >= spa->spa_uberblock.ub_version); |
| 4275 | |
| 4276 spa->spa_uberblock.ub_version = version; | |
| 1760 | 4277 vdev_config_dirty(spa->spa_root_vdev); |
| 4278 | |
| 4279 spa_config_exit(spa, FTAG); | |
| 2082 | 4280 |
| 4281 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 1760 | 4282 } |
| 2082 | 4283 |
| 4284 boolean_t | |
| 4285 spa_has_spare(spa_t *spa, uint64_t guid) | |
| 4286 { | |
| 4287 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4288 uint64_t spareguid; |
| 5450 | 4289 spa_aux_vdev_t *sav = &spa->spa_spares; |
| 4290 | |
| 4291 for (i = 0; i < sav->sav_count; i++) | |
| 4292 if (sav->sav_vdevs[i]->vdev_guid == guid) | |
| 2082 | 4293 return (B_TRUE); |
| 4294 | |
| 5450 | 4295 for (i = 0; i < sav->sav_npending; i++) { |
| 4296 if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, | |
| 4297 &spareguid) == 0 && spareguid == guid) | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4298 return (B_TRUE); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4299 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4300 |
| 2082 | 4301 return (B_FALSE); |
| 4302 } | |
| 3912 | 4303 |
| 4451 | 4304 /* |
| 4305 * Post a sysevent corresponding to the given event. The 'name' must be one of | |
| 4306 * the event definitions in sys/sysevent/eventdefs.h. The payload will be | |
| 4307 * filled in from the spa and (optionally) the vdev. This doesn't do anything | |
| 4308 * in the userland libzpool, as we don't want consumers to misinterpret ztest | |
| 4309 * or zdb as real changes. | |
| 4310 */ | |
| 4311 void | |
| 4312 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) | |
| 4313 { | |
| 4314 #ifdef _KERNEL | |
| 4315 sysevent_t *ev; | |
| 4316 sysevent_attr_list_t *attr = NULL; | |
| 4317 sysevent_value_t value; | |
| 4318 sysevent_id_t eid; | |
| 4319 | |
| 4320 ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", | |
| 4321 SE_SLEEP); | |
| 4322 | |
| 4323 value.value_type = SE_DATA_TYPE_STRING; | |
| 4324 value.value.sv_string = spa_name(spa); | |
| 4325 if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) | |
| 4326 goto done; | |
| 4327 | |
| 4328 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4329 value.value.sv_uint64 = spa_guid(spa); | |
| 4330 if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) | |
| 4331 goto done; | |
| 4332 | |
| 4333 if (vd) { | |
| 4334 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4335 value.value.sv_uint64 = vd->vdev_guid; | |
| 4336 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, | |
| 4337 SE_SLEEP) != 0) | |
| 4338 goto done; | |
| 4339 | |
| 4340 if (vd->vdev_path) { | |
| 4341 value.value_type = SE_DATA_TYPE_STRING; | |
| 4342 value.value.sv_string = vd->vdev_path; | |
| 4343 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, | |
| 4344 &value, SE_SLEEP) != 0) | |
| 4345 goto done; | |
| 4346 } | |
| 4347 } | |
| 4348 | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4349 if (sysevent_attach_attributes(ev, attr) != 0) |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4350 goto done; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4351 attr = NULL; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4352 |
| 4451 | 4353 (void) log_sysevent(ev, SE_SLEEP, &eid); |
| 4354 | |
| 4355 done: | |
| 4356 if (attr) | |
| 4357 sysevent_free_attr(attr); | |
| 4358 sysevent_free(ev); | |
| 4359 #endif | |
| 4360 } |