Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/spa.c @ 7377:2afc6772d754
6739314 failed log devices in a pool with spares causes panic on load
| author | Eric Schrock <Eric.Schrock@Sun.COM> |
|---|---|
| date | Wed, 20 Aug 2008 14:48:54 -0700 |
| parents | e7d1b928b483 |
| children | f6c6be3b6154 |
| 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 /* | |
| 28 * This file contains all the routines used when modifying on-disk SPA state. | |
| 29 * This includes opening, importing, destroying, exporting a pool, and syncing a | |
| 30 * pool. | |
| 31 */ | |
| 32 | |
| 33 #include <sys/zfs_context.h> | |
| 1544 | 34 #include <sys/fm/fs/zfs.h> |
| 789 | 35 #include <sys/spa_impl.h> |
| 36 #include <sys/zio.h> | |
| 37 #include <sys/zio_checksum.h> | |
| 38 #include <sys/zio_compress.h> | |
| 39 #include <sys/dmu.h> | |
| 40 #include <sys/dmu_tx.h> | |
| 41 #include <sys/zap.h> | |
| 42 #include <sys/zil.h> | |
| 43 #include <sys/vdev_impl.h> | |
| 44 #include <sys/metaslab.h> | |
| 45 #include <sys/uberblock_impl.h> | |
| 46 #include <sys/txg.h> | |
| 47 #include <sys/avl.h> | |
| 48 #include <sys/dmu_traverse.h> | |
| 3912 | 49 #include <sys/dmu_objset.h> |
| 789 | 50 #include <sys/unique.h> |
| 51 #include <sys/dsl_pool.h> | |
| 3912 | 52 #include <sys/dsl_dataset.h> |
| 789 | 53 #include <sys/dsl_dir.h> |
| 54 #include <sys/dsl_prop.h> | |
| 3912 | 55 #include <sys/dsl_synctask.h> |
| 789 | 56 #include <sys/fs/zfs.h> |
| 5450 | 57 #include <sys/arc.h> |
| 789 | 58 #include <sys/callb.h> |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
59 #include <sys/systeminfo.h> |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
60 #include <sys/sunddi.h> |
| 6423 | 61 #include <sys/spa_boot.h> |
| 789 | 62 |
| 5094 | 63 #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
|
64 #include "zfs_comutil.h" |
| 5094 | 65 |
| 2986 | 66 int zio_taskq_threads = 8; |
| 67 | |
| 5094 | 68 static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
69 static boolean_t spa_has_active_shared_spare(spa_t *spa); |
| 5094 | 70 |
| 71 /* | |
| 72 * ========================================================================== | |
| 73 * SPA properties routines | |
| 74 * ========================================================================== | |
| 75 */ | |
| 76 | |
| 77 /* | |
| 78 * Add a (source=src, propname=propval) list to an nvlist. | |
| 79 */ | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
80 static void |
| 5094 | 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; | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
86 |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
87 VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
88 VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
89 |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
90 if (strval != NULL) |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
91 VERIFY(nvlist_add_string(propval, ZPROP_VALUE, strval) == 0); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
92 else |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
93 VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, intval) == 0); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
94 |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
95 VERIFY(nvlist_add_nvlist(nvl, propname, propval) == 0); |
| 5094 | 96 nvlist_free(propval); |
| 97 } | |
| 98 | |
| 99 /* | |
| 100 * Get property values from the spa configuration. | |
| 101 */ | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
102 static void |
| 5094 | 103 spa_prop_get_config(spa_t *spa, nvlist_t **nvp) |
| 104 { | |
| 105 uint64_t size = spa_get_space(spa); | |
| 106 uint64_t used = spa_get_alloc(spa); | |
| 107 uint64_t cap, version; | |
| 108 zprop_source_t src = ZPROP_SRC_NONE; | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
109 spa_config_dirent_t *dp; |
| 5094 | 110 |
| 111 /* | |
| 112 * readonly properties | |
| 113 */ | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
114 spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa->spa_name, 0, src); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
115 spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
116 spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
117 spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, size - used, src); |
| 5094 | 118 |
| 119 cap = (size == 0) ? 0 : (used * 100 / size); | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
120 spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
121 |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
122 spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
123 spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
124 spa->spa_root_vdev->vdev_state, src); |
| 5094 | 125 |
| 126 /* | |
| 127 * settable properties that are not stored in the pool property object. | |
| 128 */ | |
| 129 version = spa_version(spa); | |
| 130 if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) | |
| 131 src = ZPROP_SRC_DEFAULT; | |
| 132 else | |
| 133 src = ZPROP_SRC_LOCAL; | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
134 spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src); |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
135 |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
136 if (spa->spa_root != NULL) |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
137 spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root, |
|
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
138 0, ZPROP_SRC_LOCAL); |
| 5094 | 139 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
140 if ((dp = list_head(&spa->spa_config_list)) != NULL) { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
141 if (dp->scd_path == NULL) { |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
142 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
143 "none", 0, ZPROP_SRC_LOCAL); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
144 } else if (strcmp(dp->scd_path, spa_config_path) != 0) { |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
145 spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
146 dp->scd_path, 0, ZPROP_SRC_LOCAL); |
| 5363 | 147 } |
| 148 } | |
| 5094 | 149 } |
| 150 | |
| 151 /* | |
| 152 * Get zpool property values. | |
| 153 */ | |
| 154 int | |
| 155 spa_prop_get(spa_t *spa, nvlist_t **nvp) | |
| 156 { | |
| 157 zap_cursor_t zc; | |
| 158 zap_attribute_t za; | |
| 159 objset_t *mos = spa->spa_meta_objset; | |
| 160 int err; | |
| 161 | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
162 VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5094 | 163 |
| 164 /* | |
| 165 * Get properties from the spa config. | |
| 166 */ | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
167 spa_prop_get_config(spa, nvp); |
| 5094 | 168 |
| 169 mutex_enter(&spa->spa_props_lock); | |
| 170 /* If no pool property object, no more prop to get. */ | |
| 171 if (spa->spa_pool_props_object == 0) { | |
| 172 mutex_exit(&spa->spa_props_lock); | |
| 173 return (0); | |
| 174 } | |
| 175 | |
| 176 /* | |
| 177 * Get properties from the MOS pool property object. | |
| 178 */ | |
| 179 for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); | |
| 180 (err = zap_cursor_retrieve(&zc, &za)) == 0; | |
| 181 zap_cursor_advance(&zc)) { | |
| 182 uint64_t intval = 0; | |
| 183 char *strval = NULL; | |
| 184 zprop_source_t src = ZPROP_SRC_DEFAULT; | |
| 185 zpool_prop_t prop; | |
| 186 | |
| 187 if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) | |
| 188 continue; | |
| 189 | |
| 190 switch (za.za_integer_length) { | |
| 191 case 8: | |
| 192 /* integer property */ | |
| 193 if (za.za_first_integer != | |
| 194 zpool_prop_default_numeric(prop)) | |
| 195 src = ZPROP_SRC_LOCAL; | |
| 196 | |
| 197 if (prop == ZPOOL_PROP_BOOTFS) { | |
| 198 dsl_pool_t *dp; | |
| 199 dsl_dataset_t *ds = NULL; | |
| 200 | |
| 201 dp = spa_get_dsl(spa); | |
| 202 rw_enter(&dp->dp_config_rwlock, RW_READER); | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6673
diff
changeset
|
203 if (err = dsl_dataset_hold_obj(dp, |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6673
diff
changeset
|
204 za.za_first_integer, FTAG, &ds)) { |
| 5094 | 205 rw_exit(&dp->dp_config_rwlock); |
| 206 break; | |
| 207 } | |
| 208 | |
| 209 strval = kmem_alloc( | |
| 210 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, | |
| 211 KM_SLEEP); | |
| 212 dsl_dataset_name(ds, strval); | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6673
diff
changeset
|
213 dsl_dataset_rele(ds, FTAG); |
| 5094 | 214 rw_exit(&dp->dp_config_rwlock); |
| 215 } else { | |
| 216 strval = NULL; | |
| 217 intval = za.za_first_integer; | |
| 218 } | |
| 219 | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
220 spa_prop_add_list(*nvp, prop, strval, intval, src); |
| 5094 | 221 |
| 222 if (strval != NULL) | |
| 223 kmem_free(strval, | |
| 224 MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); | |
| 225 | |
| 226 break; | |
| 227 | |
| 228 case 1: | |
| 229 /* string property */ | |
| 230 strval = kmem_alloc(za.za_num_integers, KM_SLEEP); | |
| 231 err = zap_lookup(mos, spa->spa_pool_props_object, | |
| 232 za.za_name, 1, za.za_num_integers, strval); | |
| 233 if (err) { | |
| 234 kmem_free(strval, za.za_num_integers); | |
| 235 break; | |
| 236 } | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
237 spa_prop_add_list(*nvp, prop, strval, 0, src); |
| 5094 | 238 kmem_free(strval, za.za_num_integers); |
| 239 break; | |
| 240 | |
| 241 default: | |
| 242 break; | |
| 243 } | |
| 244 } | |
| 245 zap_cursor_fini(&zc); | |
| 246 mutex_exit(&spa->spa_props_lock); | |
| 247 out: | |
| 248 if (err && err != ENOENT) { | |
| 249 nvlist_free(*nvp); | |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
250 *nvp = NULL; |
| 5094 | 251 return (err); |
| 252 } | |
| 253 | |
| 254 return (0); | |
| 255 } | |
| 256 | |
| 257 /* | |
| 258 * Validate the given pool properties nvlist and modify the list | |
| 259 * for the property values to be set. | |
| 260 */ | |
| 261 static int | |
| 262 spa_prop_validate(spa_t *spa, nvlist_t *props) | |
| 263 { | |
| 264 nvpair_t *elem; | |
| 265 int error = 0, reset_bootfs = 0; | |
| 266 uint64_t objnum; | |
| 267 | |
| 268 elem = NULL; | |
| 269 while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
| 270 zpool_prop_t prop; | |
| 271 char *propname, *strval; | |
| 272 uint64_t intval; | |
| 273 objset_t *os; | |
| 5363 | 274 char *slash; |
| 5094 | 275 |
| 276 propname = nvpair_name(elem); | |
| 277 | |
| 278 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) | |
| 279 return (EINVAL); | |
| 280 | |
| 281 switch (prop) { | |
| 282 case ZPOOL_PROP_VERSION: | |
| 283 error = nvpair_value_uint64(elem, &intval); | |
| 284 if (!error && | |
| 285 (intval < spa_version(spa) || intval > SPA_VERSION)) | |
| 286 error = EINVAL; | |
| 287 break; | |
| 288 | |
| 289 case ZPOOL_PROP_DELEGATION: | |
| 290 case ZPOOL_PROP_AUTOREPLACE: | |
| 291 error = nvpair_value_uint64(elem, &intval); | |
| 292 if (!error && intval > 1) | |
| 293 error = EINVAL; | |
| 294 break; | |
| 295 | |
| 296 case ZPOOL_PROP_BOOTFS: | |
| 297 if (spa_version(spa) < SPA_VERSION_BOOTFS) { | |
| 298 error = ENOTSUP; | |
| 299 break; | |
| 300 } | |
| 301 | |
| 302 /* | |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
303 * Make sure the vdev config is bootable |
| 5094 | 304 */ |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
305 if (!vdev_is_bootable(spa->spa_root_vdev)) { |
| 5094 | 306 error = ENOTSUP; |
| 307 break; | |
| 308 } | |
| 309 | |
| 310 reset_bootfs = 1; | |
| 311 | |
| 312 error = nvpair_value_string(elem, &strval); | |
| 313 | |
| 314 if (!error) { | |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
315 uint64_t compress; |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
316 |
| 5094 | 317 if (strval == NULL || strval[0] == '\0') { |
| 318 objnum = zpool_prop_default_numeric( | |
| 319 ZPOOL_PROP_BOOTFS); | |
| 320 break; | |
| 321 } | |
| 322 | |
| 323 if (error = dmu_objset_open(strval, DMU_OST_ZFS, | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6673
diff
changeset
|
324 DS_MODE_USER | DS_MODE_READONLY, &os)) |
| 5094 | 325 break; |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
326 |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
327 /* We don't support gzip bootable datasets */ |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
328 if ((error = dsl_prop_get_integer(strval, |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
329 zfs_prop_to_name(ZFS_PROP_COMPRESSION), |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
330 &compress, NULL)) == 0 && |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
331 !BOOTFS_COMPRESS_VALID(compress)) { |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
332 error = ENOTSUP; |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
333 } else { |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
334 objnum = dmu_objset_id(os); |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
335 } |
| 5094 | 336 dmu_objset_close(os); |
| 337 } | |
| 338 break; | |
| 5329 | 339 case ZPOOL_PROP_FAILUREMODE: |
| 340 error = nvpair_value_uint64(elem, &intval); | |
| 341 if (!error && (intval < ZIO_FAILURE_MODE_WAIT || | |
| 342 intval > ZIO_FAILURE_MODE_PANIC)) | |
| 343 error = EINVAL; | |
| 344 | |
| 345 /* | |
| 346 * This is a special case which only occurs when | |
| 347 * the pool has completely failed. This allows | |
| 348 * the user to change the in-core failmode property | |
| 349 * without syncing it out to disk (I/Os might | |
| 350 * currently be blocked). We do this by returning | |
| 351 * EIO to the caller (spa_prop_set) to trick it | |
| 352 * into thinking we encountered a property validation | |
| 353 * error. | |
| 354 */ | |
| 355 if (!error && spa_state(spa) == POOL_STATE_IO_FAILURE) { | |
| 356 spa->spa_failmode = intval; | |
| 357 error = EIO; | |
| 358 } | |
| 359 break; | |
| 5363 | 360 |
| 361 case ZPOOL_PROP_CACHEFILE: | |
| 362 if ((error = nvpair_value_string(elem, &strval)) != 0) | |
| 363 break; | |
| 364 | |
| 365 if (strval[0] == '\0') | |
| 366 break; | |
| 367 | |
| 368 if (strcmp(strval, "none") == 0) | |
| 369 break; | |
| 370 | |
| 371 if (strval[0] != '/') { | |
| 372 error = EINVAL; | |
| 373 break; | |
| 374 } | |
| 375 | |
| 376 slash = strrchr(strval, '/'); | |
| 377 ASSERT(slash != NULL); | |
| 378 | |
| 379 if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
| 380 strcmp(slash, "/..") == 0) | |
| 381 error = EINVAL; | |
| 382 break; | |
| 5094 | 383 } |
| 384 | |
| 385 if (error) | |
| 386 break; | |
| 387 } | |
| 388 | |
| 389 if (!error && reset_bootfs) { | |
| 390 error = nvlist_remove(props, | |
| 391 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); | |
| 392 | |
| 393 if (!error) { | |
| 394 error = nvlist_add_uint64(props, | |
| 395 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); | |
| 396 } | |
| 397 } | |
| 398 | |
| 399 return (error); | |
| 400 } | |
| 401 | |
| 402 int | |
| 403 spa_prop_set(spa_t *spa, nvlist_t *nvp) | |
| 404 { | |
| 405 int error; | |
| 406 | |
| 407 if ((error = spa_prop_validate(spa, nvp)) != 0) | |
| 408 return (error); | |
| 409 | |
| 410 return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, | |
| 411 spa, nvp, 3)); | |
| 412 } | |
| 413 | |
| 414 /* | |
| 415 * If the bootfs property value is dsobj, clear it. | |
| 416 */ | |
| 417 void | |
| 418 spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) | |
| 419 { | |
| 420 if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { | |
| 421 VERIFY(zap_remove(spa->spa_meta_objset, | |
| 422 spa->spa_pool_props_object, | |
| 423 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); | |
| 424 spa->spa_bootfs = 0; | |
| 425 } | |
| 426 } | |
| 427 | |
| 789 | 428 /* |
| 429 * ========================================================================== | |
| 430 * SPA state manipulation (open/create/destroy/import/export) | |
| 431 * ========================================================================== | |
| 432 */ | |
| 433 | |
| 1544 | 434 static int |
| 435 spa_error_entry_compare(const void *a, const void *b) | |
| 436 { | |
| 437 spa_error_entry_t *sa = (spa_error_entry_t *)a; | |
| 438 spa_error_entry_t *sb = (spa_error_entry_t *)b; | |
| 439 int ret; | |
| 440 | |
| 441 ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, | |
| 442 sizeof (zbookmark_t)); | |
| 443 | |
| 444 if (ret < 0) | |
| 445 return (-1); | |
| 446 else if (ret > 0) | |
| 447 return (1); | |
| 448 else | |
| 449 return (0); | |
| 450 } | |
| 451 | |
| 452 /* | |
| 453 * Utility function which retrieves copies of the current logs and | |
| 454 * re-initializes them in the process. | |
| 455 */ | |
| 456 void | |
| 457 spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) | |
| 458 { | |
| 459 ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); | |
| 460 | |
| 461 bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); | |
| 462 bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); | |
| 463 | |
| 464 avl_create(&spa->spa_errlist_scrub, | |
| 465 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 466 offsetof(spa_error_entry_t, se_avl)); | |
| 467 avl_create(&spa->spa_errlist_last, | |
| 468 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 469 offsetof(spa_error_entry_t, se_avl)); | |
| 470 } | |
| 471 | |
| 789 | 472 /* |
| 473 * Activate an uninitialized pool. | |
| 474 */ | |
| 475 static void | |
| 476 spa_activate(spa_t *spa) | |
| 477 { | |
| 478 int t; | |
| 479 | |
| 480 ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); | |
| 481 | |
| 482 spa->spa_state = POOL_STATE_ACTIVE; | |
| 483 | |
| 484 spa->spa_normal_class = metaslab_class_create(); | |
| 4527 | 485 spa->spa_log_class = metaslab_class_create(); |
| 789 | 486 |
| 487 for (t = 0; t < ZIO_TYPES; t++) { | |
| 488 spa->spa_zio_issue_taskq[t] = taskq_create("spa_zio_issue", | |
| 2986 | 489 zio_taskq_threads, maxclsyspri, 50, INT_MAX, |
| 789 | 490 TASKQ_PREPOPULATE); |
| 491 spa->spa_zio_intr_taskq[t] = taskq_create("spa_zio_intr", | |
| 2986 | 492 zio_taskq_threads, maxclsyspri, 50, INT_MAX, |
| 789 | 493 TASKQ_PREPOPULATE); |
| 494 } | |
| 495 | |
| 496 list_create(&spa->spa_dirty_list, sizeof (vdev_t), | |
| 497 offsetof(vdev_t, vdev_dirty_node)); | |
| 5329 | 498 list_create(&spa->spa_zio_list, sizeof (zio_t), |
| 499 offsetof(zio_t, zio_link_node)); | |
| 789 | 500 |
| 501 txg_list_create(&spa->spa_vdev_txg_list, | |
| 502 offsetof(struct vdev, vdev_txg_node)); | |
| 1544 | 503 |
| 504 avl_create(&spa->spa_errlist_scrub, | |
| 505 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 506 offsetof(spa_error_entry_t, se_avl)); | |
| 507 avl_create(&spa->spa_errlist_last, | |
| 508 spa_error_entry_compare, sizeof (spa_error_entry_t), | |
| 509 offsetof(spa_error_entry_t, se_avl)); | |
| 789 | 510 } |
| 511 | |
| 512 /* | |
| 513 * Opposite of spa_activate(). | |
| 514 */ | |
| 515 static void | |
| 516 spa_deactivate(spa_t *spa) | |
| 517 { | |
| 518 int t; | |
| 519 | |
| 520 ASSERT(spa->spa_sync_on == B_FALSE); | |
| 521 ASSERT(spa->spa_dsl_pool == NULL); | |
| 522 ASSERT(spa->spa_root_vdev == NULL); | |
| 523 | |
| 524 ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); | |
| 525 | |
| 526 txg_list_destroy(&spa->spa_vdev_txg_list); | |
| 527 | |
| 528 list_destroy(&spa->spa_dirty_list); | |
| 5329 | 529 list_destroy(&spa->spa_zio_list); |
| 789 | 530 |
| 531 for (t = 0; t < ZIO_TYPES; t++) { | |
| 532 taskq_destroy(spa->spa_zio_issue_taskq[t]); | |
| 533 taskq_destroy(spa->spa_zio_intr_taskq[t]); | |
| 534 spa->spa_zio_issue_taskq[t] = NULL; | |
| 535 spa->spa_zio_intr_taskq[t] = NULL; | |
| 536 } | |
| 537 | |
| 538 metaslab_class_destroy(spa->spa_normal_class); | |
| 539 spa->spa_normal_class = NULL; | |
| 540 | |
| 4527 | 541 metaslab_class_destroy(spa->spa_log_class); |
| 542 spa->spa_log_class = NULL; | |
| 543 | |
| 1544 | 544 /* |
| 545 * If this was part of an import or the open otherwise failed, we may | |
| 546 * still have errors left in the queues. Empty them just in case. | |
| 547 */ | |
| 548 spa_errlog_drain(spa); | |
| 549 | |
| 550 avl_destroy(&spa->spa_errlist_scrub); | |
| 551 avl_destroy(&spa->spa_errlist_last); | |
| 552 | |
| 789 | 553 spa->spa_state = POOL_STATE_UNINITIALIZED; |
| 554 } | |
| 555 | |
| 556 /* | |
| 557 * Verify a pool configuration, and construct the vdev tree appropriately. This | |
| 558 * will create all the necessary vdevs in the appropriate layout, with each vdev | |
| 559 * in the CLOSED state. This will prep the pool before open/creation/import. | |
| 560 * All vdev validation is done by the vdev_alloc() routine. | |
| 561 */ | |
| 2082 | 562 static int |
| 563 spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, | |
| 564 uint_t id, int atype) | |
| 789 | 565 { |
| 566 nvlist_t **child; | |
| 567 uint_t c, children; | |
| 2082 | 568 int error; |
| 569 | |
| 570 if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) | |
| 571 return (error); | |
| 572 | |
| 573 if ((*vdp)->vdev_ops->vdev_op_leaf) | |
| 574 return (0); | |
| 789 | 575 |
| 576 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
| 577 &child, &children) != 0) { | |
| 2082 | 578 vdev_free(*vdp); |
| 579 *vdp = NULL; | |
| 580 return (EINVAL); | |
| 789 | 581 } |
| 582 | |
| 583 for (c = 0; c < children; c++) { | |
| 2082 | 584 vdev_t *vd; |
| 585 if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, | |
| 586 atype)) != 0) { | |
| 587 vdev_free(*vdp); | |
| 588 *vdp = NULL; | |
| 589 return (error); | |
| 789 | 590 } |
| 591 } | |
| 592 | |
| 2082 | 593 ASSERT(*vdp != NULL); |
| 594 | |
| 595 return (0); | |
| 789 | 596 } |
| 597 | |
| 598 /* | |
| 599 * Opposite of spa_load(). | |
| 600 */ | |
| 601 static void | |
| 602 spa_unload(spa_t *spa) | |
| 603 { | |
| 2082 | 604 int i; |
| 605 | |
| 789 | 606 /* |
| 1544 | 607 * Stop async tasks. |
| 608 */ | |
| 609 spa_async_suspend(spa); | |
| 610 | |
| 611 /* | |
| 789 | 612 * Stop syncing. |
| 613 */ | |
| 614 if (spa->spa_sync_on) { | |
| 615 txg_sync_stop(spa->spa_dsl_pool); | |
| 616 spa->spa_sync_on = B_FALSE; | |
| 617 } | |
| 618 | |
| 619 /* | |
| 620 * Wait for any outstanding prefetch I/O to complete. | |
| 621 */ | |
| 1544 | 622 spa_config_enter(spa, RW_WRITER, FTAG); |
| 623 spa_config_exit(spa, FTAG); | |
| 789 | 624 |
| 625 /* | |
| 5450 | 626 * Drop and purge level 2 cache |
| 627 */ | |
| 628 spa_l2cache_drop(spa); | |
| 629 | |
| 630 /* | |
| 789 | 631 * Close the dsl pool. |
| 632 */ | |
| 633 if (spa->spa_dsl_pool) { | |
| 634 dsl_pool_close(spa->spa_dsl_pool); | |
| 635 spa->spa_dsl_pool = NULL; | |
| 636 } | |
| 637 | |
| 638 /* | |
| 639 * Close all vdevs. | |
| 640 */ | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
641 if (spa->spa_root_vdev) |
| 789 | 642 vdev_free(spa->spa_root_vdev); |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
643 ASSERT(spa->spa_root_vdev == NULL); |
| 1544 | 644 |
| 5450 | 645 for (i = 0; i < spa->spa_spares.sav_count; i++) |
| 646 vdev_free(spa->spa_spares.sav_vdevs[i]); | |
| 647 if (spa->spa_spares.sav_vdevs) { | |
| 648 kmem_free(spa->spa_spares.sav_vdevs, | |
| 649 spa->spa_spares.sav_count * sizeof (void *)); | |
| 650 spa->spa_spares.sav_vdevs = NULL; | |
| 651 } | |
| 652 if (spa->spa_spares.sav_config) { | |
| 653 nvlist_free(spa->spa_spares.sav_config); | |
| 654 spa->spa_spares.sav_config = NULL; | |
| 2082 | 655 } |
|
7377
2afc6772d754
6739314 failed log devices in a pool with spares causes panic on load
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
7361
diff
changeset
|
656 spa->spa_spares.sav_count = 0; |
| 5450 | 657 |
| 658 for (i = 0; i < spa->spa_l2cache.sav_count; i++) | |
| 659 vdev_free(spa->spa_l2cache.sav_vdevs[i]); | |
| 660 if (spa->spa_l2cache.sav_vdevs) { | |
| 661 kmem_free(spa->spa_l2cache.sav_vdevs, | |
| 662 spa->spa_l2cache.sav_count * sizeof (void *)); | |
| 663 spa->spa_l2cache.sav_vdevs = NULL; | |
| 664 } | |
| 665 if (spa->spa_l2cache.sav_config) { | |
| 666 nvlist_free(spa->spa_l2cache.sav_config); | |
| 667 spa->spa_l2cache.sav_config = NULL; | |
| 2082 | 668 } |
|
7377
2afc6772d754
6739314 failed log devices in a pool with spares causes panic on load
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
7361
diff
changeset
|
669 spa->spa_l2cache.sav_count = 0; |
| 2082 | 670 |
| 1544 | 671 spa->spa_async_suspended = 0; |
| 789 | 672 } |
| 673 | |
| 674 /* | |
| 2082 | 675 * Load (or re-load) the current list of vdevs describing the active spares for |
| 676 * this pool. When this is called, we have some form of basic information in | |
| 5450 | 677 * 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and |
| 678 * then re-generate a more complete list including status information. | |
| 2082 | 679 */ |
| 680 static void | |
| 681 spa_load_spares(spa_t *spa) | |
| 682 { | |
| 683 nvlist_t **spares; | |
| 684 uint_t nspares; | |
| 685 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
686 vdev_t *vd, *tvd; |
| 2082 | 687 |
| 688 /* | |
| 689 * First, close and free any existing spare vdevs. | |
| 690 */ | |
| 5450 | 691 for (i = 0; i < spa->spa_spares.sav_count; i++) { |
| 692 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
|
693 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
694 /* Undo the call to spa_activate() below */ |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
695 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
696 B_FALSE)) != NULL && tvd->vdev_isspare) |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
697 spa_spare_remove(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
698 vdev_close(vd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
699 vdev_free(vd); |
| 2082 | 700 } |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
701 |
| 5450 | 702 if (spa->spa_spares.sav_vdevs) |
| 703 kmem_free(spa->spa_spares.sav_vdevs, | |
| 704 spa->spa_spares.sav_count * sizeof (void *)); | |
| 705 | |
| 706 if (spa->spa_spares.sav_config == NULL) | |
| 2082 | 707 nspares = 0; |
| 708 else | |
| 5450 | 709 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 710 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 711 | |
| 5450 | 712 spa->spa_spares.sav_count = (int)nspares; |
| 713 spa->spa_spares.sav_vdevs = NULL; | |
| 2082 | 714 |
| 715 if (nspares == 0) | |
| 716 return; | |
| 717 | |
| 718 /* | |
| 719 * 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
|
720 * 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
|
721 * 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
|
722 * 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
|
723 * 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
|
724 * 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
|
725 * active configuration, then we also mark this vdev as an active spare. |
| 2082 | 726 */ |
| 5450 | 727 spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *), |
| 728 KM_SLEEP); | |
| 729 for (i = 0; i < spa->spa_spares.sav_count; i++) { | |
| 2082 | 730 VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
| 731 VDEV_ALLOC_SPARE) == 0); | |
| 732 ASSERT(vd != NULL); | |
| 733 | |
| 5450 | 734 spa->spa_spares.sav_vdevs[i] = vd; |
| 2082 | 735 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
736 if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
737 B_FALSE)) != NULL) { |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
738 if (!tvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
739 spa_spare_add(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
740 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
741 /* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
742 * 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
|
743 * 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
|
744 * 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
|
745 * 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
|
746 * is actively in use. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
747 * |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
748 * 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
|
749 * 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
|
750 * 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
|
751 * 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
|
752 * it adds, we ignore the possibility. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
753 */ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
754 if (!vdev_is_dead(tvd)) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
755 spa_spare_activate(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
756 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
757 |
| 2082 | 758 if (vdev_open(vd) != 0) |
| 759 continue; | |
| 760 | |
| 761 vd->vdev_top = vd; | |
| 5450 | 762 if (vdev_validate_aux(vd) == 0) |
| 763 spa_spare_add(vd); | |
| 2082 | 764 } |
| 765 | |
| 766 /* | |
| 767 * Recompute the stashed list of spares, with status information | |
| 768 * this time. | |
| 769 */ | |
| 5450 | 770 VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 771 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 772 | |
| 5450 | 773 spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), |
| 774 KM_SLEEP); | |
| 775 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 776 spares[i] = vdev_config_generate(spa, | |
| 777 spa->spa_spares.sav_vdevs[i], B_TRUE, B_TRUE, B_FALSE); | |
| 778 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, | |
| 779 ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); | |
| 780 for (i = 0; i < spa->spa_spares.sav_count; i++) | |
| 2082 | 781 nvlist_free(spares[i]); |
| 5450 | 782 kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); |
| 783 } | |
| 784 | |
| 785 /* | |
| 786 * Load (or re-load) the current list of vdevs describing the active l2cache for | |
| 787 * this pool. When this is called, we have some form of basic information in | |
| 788 * 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and | |
| 789 * then re-generate a more complete list including status information. | |
| 790 * Devices which are already active have their details maintained, and are | |
| 791 * not re-opened. | |
| 792 */ | |
| 793 static void | |
| 794 spa_load_l2cache(spa_t *spa) | |
| 795 { | |
| 796 nvlist_t **l2cache; | |
| 797 uint_t nl2cache; | |
| 798 int i, j, oldnvdevs; | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
799 uint64_t guid, size; |
| 5450 | 800 vdev_t *vd, **oldvdevs, **newvdevs; |
| 801 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 802 | |
| 803 if (sav->sav_config != NULL) { | |
| 804 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, | |
| 805 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 806 newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); | |
| 807 } else { | |
| 808 nl2cache = 0; | |
| 809 } | |
| 810 | |
| 811 oldvdevs = sav->sav_vdevs; | |
| 812 oldnvdevs = sav->sav_count; | |
| 813 sav->sav_vdevs = NULL; | |
| 814 sav->sav_count = 0; | |
| 815 | |
| 816 /* | |
| 817 * Process new nvlist of vdevs. | |
| 818 */ | |
| 819 for (i = 0; i < nl2cache; i++) { | |
| 820 VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, | |
| 821 &guid) == 0); | |
| 822 | |
| 823 newvdevs[i] = NULL; | |
| 824 for (j = 0; j < oldnvdevs; j++) { | |
| 825 vd = oldvdevs[j]; | |
| 826 if (vd != NULL && guid == vd->vdev_guid) { | |
| 827 /* | |
| 828 * Retain previous vdev for add/remove ops. | |
| 829 */ | |
| 830 newvdevs[i] = vd; | |
| 831 oldvdevs[j] = NULL; | |
| 832 break; | |
| 833 } | |
| 834 } | |
| 835 | |
| 836 if (newvdevs[i] == NULL) { | |
| 837 /* | |
| 838 * Create new vdev | |
| 839 */ | |
| 840 VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, | |
| 841 VDEV_ALLOC_L2CACHE) == 0); | |
| 842 ASSERT(vd != NULL); | |
| 843 newvdevs[i] = vd; | |
| 844 | |
| 845 /* | |
| 846 * Commit this vdev as an l2cache device, | |
| 847 * even if it fails to open. | |
| 848 */ | |
| 849 spa_l2cache_add(vd); | |
| 850 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
851 vd->vdev_top = vd; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
852 vd->vdev_aux = sav; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
853 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
854 spa_l2cache_activate(vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
855 |
| 5450 | 856 if (vdev_open(vd) != 0) |
| 857 continue; | |
| 858 | |
| 859 (void) vdev_validate_aux(vd); | |
| 860 | |
| 861 if (!vdev_is_dead(vd)) { | |
| 862 size = vdev_get_rsize(vd); | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
863 l2arc_add_vdev(spa, vd, |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
864 VDEV_LABEL_START_SIZE, |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
865 size - VDEV_LABEL_START_SIZE); |
| 5450 | 866 } |
| 867 } | |
| 868 } | |
| 869 | |
| 870 /* | |
| 871 * Purge vdevs that were dropped | |
| 872 */ | |
| 873 for (i = 0; i < oldnvdevs; i++) { | |
| 874 uint64_t pool; | |
| 875 | |
| 876 vd = oldvdevs[i]; | |
| 877 if (vd != NULL) { | |
| 878 if (spa_mode & FWRITE && | |
| 879 spa_l2cache_exists(vd->vdev_guid, &pool) && | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
880 pool != 0ULL && |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
881 l2arc_vdev_present(vd)) { |
| 5450 | 882 l2arc_remove_vdev(vd); |
| 883 } | |
| 884 (void) vdev_close(vd); | |
| 885 spa_l2cache_remove(vd); | |
| 886 } | |
| 887 } | |
| 888 | |
| 889 if (oldvdevs) | |
| 890 kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); | |
| 891 | |
| 892 if (sav->sav_config == NULL) | |
| 893 goto out; | |
| 894 | |
| 895 sav->sav_vdevs = newvdevs; | |
| 896 sav->sav_count = (int)nl2cache; | |
| 897 | |
| 898 /* | |
| 899 * Recompute the stashed list of l2cache devices, with status | |
| 900 * information this time. | |
| 901 */ | |
| 902 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 903 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 904 | |
| 905 l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); | |
| 906 for (i = 0; i < sav->sav_count; i++) | |
| 907 l2cache[i] = vdev_config_generate(spa, | |
| 908 sav->sav_vdevs[i], B_TRUE, B_FALSE, B_TRUE); | |
| 909 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 910 ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); | |
| 911 out: | |
| 912 for (i = 0; i < sav->sav_count; i++) | |
| 913 nvlist_free(l2cache[i]); | |
| 914 if (sav->sav_count) | |
| 915 kmem_free(l2cache, sav->sav_count * sizeof (void *)); | |
| 2082 | 916 } |
| 917 | |
| 918 static int | |
| 919 load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) | |
| 920 { | |
| 921 dmu_buf_t *db; | |
| 922 char *packed = NULL; | |
| 923 size_t nvsize = 0; | |
| 924 int error; | |
| 925 *value = NULL; | |
| 926 | |
| 927 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 928 nvsize = *(uint64_t *)db->db_data; | |
| 929 dmu_buf_rele(db, FTAG); | |
| 930 | |
| 931 packed = kmem_alloc(nvsize, KM_SLEEP); | |
| 932 error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed); | |
| 933 if (error == 0) | |
| 934 error = nvlist_unpack(packed, nvsize, value, 0); | |
| 935 kmem_free(packed, nvsize); | |
| 936 | |
| 937 return (error); | |
| 938 } | |
| 939 | |
| 940 /* | |
| 4451 | 941 * Checks to see if the given vdev could not be opened, in which case we post a |
| 942 * sysevent to notify the autoreplace code that the device has been removed. | |
| 943 */ | |
| 944 static void | |
| 945 spa_check_removed(vdev_t *vd) | |
| 946 { | |
| 947 int c; | |
| 948 | |
| 949 for (c = 0; c < vd->vdev_children; c++) | |
| 950 spa_check_removed(vd->vdev_child[c]); | |
| 951 | |
| 952 if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) { | |
| 953 zfs_post_autoreplace(vd->vdev_spa, vd); | |
| 954 spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); | |
| 955 } | |
| 956 } | |
| 957 | |
| 958 /* | |
| 7294 | 959 * Check for missing log devices |
| 960 */ | |
| 961 int | |
| 962 spa_check_logs(spa_t *spa) | |
| 963 { | |
| 964 switch (spa->spa_log_state) { | |
| 965 case SPA_LOG_MISSING: | |
| 966 /* need to recheck in case slog has been restored */ | |
| 967 case SPA_LOG_UNKNOWN: | |
| 968 if (dmu_objset_find(spa->spa_name, zil_check_log_chain, NULL, | |
| 969 DS_FIND_CHILDREN)) { | |
| 970 spa->spa_log_state = SPA_LOG_MISSING; | |
| 971 return (1); | |
| 972 } | |
| 973 break; | |
| 974 | |
| 975 case SPA_LOG_CLEAR: | |
| 976 (void) dmu_objset_find(spa->spa_name, zil_clear_log_chain, NULL, | |
| 977 DS_FIND_CHILDREN); | |
| 978 break; | |
| 979 } | |
| 980 spa->spa_log_state = SPA_LOG_GOOD; | |
| 981 return (0); | |
| 982 } | |
| 983 | |
| 984 /* | |
| 789 | 985 * Load an existing storage pool, using the pool's builtin spa_config as a |
| 1544 | 986 * source of configuration information. |
| 789 | 987 */ |
| 988 static int | |
| 1544 | 989 spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
| 789 | 990 { |
| 991 int error = 0; | |
| 992 nvlist_t *nvroot = NULL; | |
| 993 vdev_t *rvd; | |
| 994 uberblock_t *ub = &spa->spa_uberblock; | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
995 uint64_t config_cache_txg = spa->spa_config_txg; |
| 789 | 996 uint64_t pool_guid; |
| 2082 | 997 uint64_t version; |
| 789 | 998 zio_t *zio; |
| 4451 | 999 uint64_t autoreplace = 0; |
| 7294 | 1000 char *ereport = FM_EREPORT_ZFS_POOL; |
| 789 | 1001 |
| 1544 | 1002 spa->spa_load_state = state; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1003 |
| 789 | 1004 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
| 1733 | 1005 nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) { |
| 1544 | 1006 error = EINVAL; |
| 1007 goto out; | |
| 1008 } | |
| 789 | 1009 |
| 2082 | 1010 /* |
| 1011 * Versioning wasn't explicitly added to the label until later, so if | |
| 1012 * it's not present treat it as the initial version. | |
| 1013 */ | |
| 1014 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) | |
| 4577 | 1015 version = SPA_VERSION_INITIAL; |
| 2082 | 1016 |
| 1733 | 1017 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
| 1018 &spa->spa_config_txg); | |
| 1019 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1020 if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
| 1544 | 1021 spa_guid_exists(pool_guid, 0)) { |
| 1022 error = EEXIST; | |
| 1023 goto out; | |
| 1024 } | |
| 789 | 1025 |
|
2174
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1026 spa->spa_load_guid = pool_guid; |
|
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1027 |
| 789 | 1028 /* |
| 2082 | 1029 * Parse the configuration into a vdev tree. We explicitly set the |
| 1030 * value that will be returned by spa_version() since parsing the | |
| 1031 * configuration requires knowing the version number. | |
| 789 | 1032 */ |
| 1544 | 1033 spa_config_enter(spa, RW_WRITER, FTAG); |
| 2082 | 1034 spa->spa_ubsync.ub_version = version; |
| 1035 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_LOAD); | |
| 1544 | 1036 spa_config_exit(spa, FTAG); |
| 789 | 1037 |
| 2082 | 1038 if (error != 0) |
| 1544 | 1039 goto out; |
| 789 | 1040 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1041 ASSERT(spa->spa_root_vdev == rvd); |
| 789 | 1042 ASSERT(spa_guid(spa) == pool_guid); |
| 1043 | |
| 1044 /* | |
| 1045 * Try to open all vdevs, loading each label in the process. | |
| 1046 */ | |
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1047 error = vdev_open(rvd); |
|
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1048 if (error != 0) |
| 1544 | 1049 goto out; |
| 789 | 1050 |
| 1051 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1052 * 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
|
1053 * 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
|
1054 * flag. |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1055 */ |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1056 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
|
1057 error = vdev_validate(rvd); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1058 spa_config_exit(spa, FTAG); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1059 |
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1060 if (error != 0) |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1061 goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1062 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1063 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
|
1064 error = ENXIO; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1065 goto out; |
|
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 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1068 /* |
| 789 | 1069 * Find the best uberblock. |
| 1070 */ | |
| 1071 bzero(ub, sizeof (uberblock_t)); | |
| 1072 | |
| 1073 zio = zio_root(spa, NULL, NULL, | |
| 1074 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE); | |
| 1075 vdev_uberblock_load(zio, rvd, ub); | |
| 1076 error = zio_wait(zio); | |
| 1077 | |
| 1078 /* | |
| 1079 * If we weren't able to find a single valid uberblock, return failure. | |
| 1080 */ | |
| 1081 if (ub->ub_txg == 0) { | |
| 1760 | 1082 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1083 VDEV_AUX_CORRUPT_DATA); | |
| 1544 | 1084 error = ENXIO; |
| 1085 goto out; | |
| 1086 } | |
| 1087 | |
| 1088 /* | |
| 1089 * If the pool is newer than the code, we can't open it. | |
| 1090 */ | |
| 4577 | 1091 if (ub->ub_version > SPA_VERSION) { |
| 1760 | 1092 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1093 VDEV_AUX_VERSION_NEWER); | |
| 1544 | 1094 error = ENOTSUP; |
| 1095 goto out; | |
| 789 | 1096 } |
| 1097 | |
| 1098 /* | |
| 1099 * If the vdev guid sum doesn't match the uberblock, we have an | |
| 1100 * incomplete configuration. | |
| 1101 */ | |
| 1732 | 1102 if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) { |
| 1544 | 1103 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1104 VDEV_AUX_BAD_GUID_SUM); | |
| 1105 error = ENXIO; | |
| 1106 goto out; | |
| 789 | 1107 } |
| 1108 | |
| 1109 /* | |
| 1110 * Initialize internal SPA structures. | |
| 1111 */ | |
| 1112 spa->spa_state = POOL_STATE_ACTIVE; | |
| 1113 spa->spa_ubsync = spa->spa_uberblock; | |
| 1114 spa->spa_first_txg = spa_last_synced_txg(spa) + 1; | |
| 1544 | 1115 error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
| 1116 if (error) { | |
| 1117 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1118 VDEV_AUX_CORRUPT_DATA); | |
| 1119 goto out; | |
| 1120 } | |
| 789 | 1121 spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
| 1122 | |
| 1544 | 1123 if (zap_lookup(spa->spa_meta_objset, |
| 789 | 1124 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1125 sizeof (uint64_t), 1, &spa->spa_config_object) != 0) { |
| 1126 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1127 VDEV_AUX_CORRUPT_DATA); | |
| 1128 error = EIO; | |
| 1129 goto out; | |
| 1130 } | |
| 789 | 1131 |
| 1132 if (!mosconfig) { | |
| 2082 | 1133 nvlist_t *newconfig; |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1134 uint64_t hostid; |
| 2082 | 1135 |
| 1136 if (load_nvlist(spa, spa->spa_config_object, &newconfig) != 0) { | |
| 1544 | 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 |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1143 if (nvlist_lookup_uint64(newconfig, ZPOOL_CONFIG_HOSTID, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1144 &hostid) == 0) { |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1145 char *hostname; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1146 unsigned long myhostid = 0; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1147 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1148 VERIFY(nvlist_lookup_string(newconfig, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1149 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1150 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1151 (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
|
1152 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
|
1153 (unsigned long)hostid != myhostid) { |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1154 cmn_err(CE_WARN, "pool '%s' could not be " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1155 "loaded as it was last accessed by " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1156 "another system (host: %s hostid: 0x%lx). " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1157 "See: http://www.sun.com/msg/ZFS-8000-EY", |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1158 spa->spa_name, hostname, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1159 (unsigned long)hostid); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1160 error = EBADF; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1161 goto out; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1162 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1163 } |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1164 |
| 789 | 1165 spa_config_set(spa, newconfig); |
| 1166 spa_unload(spa); | |
| 1167 spa_deactivate(spa); | |
| 1168 spa_activate(spa); | |
| 1169 | |
| 1544 | 1170 return (spa_load(spa, newconfig, state, B_TRUE)); |
| 1171 } | |
| 1172 | |
| 1173 if (zap_lookup(spa->spa_meta_objset, | |
| 1174 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, | |
| 1175 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) { | |
| 1176 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1177 VDEV_AUX_CORRUPT_DATA); | |
| 1178 error = EIO; | |
| 1179 goto out; | |
| 789 | 1180 } |
| 1181 | |
| 1544 | 1182 /* |
| 2082 | 1183 * Load the bit that tells us to use the new accounting function |
| 1184 * (raid-z deflation). If we have an older pool, this will not | |
| 1185 * be present. | |
| 1186 */ | |
| 1187 error = zap_lookup(spa->spa_meta_objset, | |
| 1188 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 1189 sizeof (uint64_t), 1, &spa->spa_deflate); | |
| 1190 if (error != 0 && error != ENOENT) { | |
| 1191 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1192 VDEV_AUX_CORRUPT_DATA); | |
| 1193 error = EIO; | |
| 1194 goto out; | |
| 1195 } | |
| 1196 | |
| 1197 /* | |
| 1544 | 1198 * Load the persistent error log. If we have an older pool, this will |
| 1199 * not be present. | |
| 1200 */ | |
| 1201 error = zap_lookup(spa->spa_meta_objset, | |
| 1202 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, | |
| 1203 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
|
1204 if (error != 0 && error != ENOENT) { |
| 1544 | 1205 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1206 VDEV_AUX_CORRUPT_DATA); | |
| 1207 error = EIO; | |
| 1208 goto out; | |
| 1209 } | |
| 1210 | |
| 1211 error = zap_lookup(spa->spa_meta_objset, | |
| 1212 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, | |
| 1213 sizeof (uint64_t), 1, &spa->spa_errlog_scrub); | |
| 1214 if (error != 0 && error != ENOENT) { | |
| 1215 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1216 VDEV_AUX_CORRUPT_DATA); | |
| 1217 error = EIO; | |
| 1218 goto out; | |
| 1219 } | |
| 789 | 1220 |
| 1221 /* | |
| 2926 | 1222 * Load the history object. If we have an older pool, this |
| 1223 * will not be present. | |
| 1224 */ | |
| 1225 error = zap_lookup(spa->spa_meta_objset, | |
| 1226 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, | |
| 1227 sizeof (uint64_t), 1, &spa->spa_history); | |
| 1228 if (error != 0 && error != ENOENT) { | |
| 1229 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1230 VDEV_AUX_CORRUPT_DATA); | |
| 1231 error = EIO; | |
| 1232 goto out; | |
| 1233 } | |
| 1234 | |
| 1235 /* | |
| 2082 | 1236 * Load any hot spares for this pool. |
| 1237 */ | |
| 1238 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 5450 | 1239 DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares.sav_object); |
| 2082 | 1240 if (error != 0 && error != ENOENT) { |
| 1241 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1242 VDEV_AUX_CORRUPT_DATA); | |
| 1243 error = EIO; | |
| 1244 goto out; | |
| 1245 } | |
| 1246 if (error == 0) { | |
| 4577 | 1247 ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
| 5450 | 1248 if (load_nvlist(spa, spa->spa_spares.sav_object, |
| 1249 &spa->spa_spares.sav_config) != 0) { | |
| 2082 | 1250 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
| 1251 VDEV_AUX_CORRUPT_DATA); | |
| 1252 error = EIO; | |
| 1253 goto out; | |
| 1254 } | |
| 1255 | |
| 1256 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1257 spa_load_spares(spa); | |
| 1258 spa_config_exit(spa, FTAG); | |
| 1259 } | |
| 1260 | |
| 5450 | 1261 /* |
| 1262 * Load any level 2 ARC devices for this pool. | |
| 1263 */ | |
| 1264 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, | |
| 1265 DMU_POOL_L2CACHE, sizeof (uint64_t), 1, | |
| 1266 &spa->spa_l2cache.sav_object); | |
| 1267 if (error != 0 && error != ENOENT) { | |
| 1268 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1269 VDEV_AUX_CORRUPT_DATA); | |
| 1270 error = EIO; | |
| 1271 goto out; | |
| 1272 } | |
| 1273 if (error == 0) { | |
| 1274 ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); | |
| 1275 if (load_nvlist(spa, spa->spa_l2cache.sav_object, | |
| 1276 &spa->spa_l2cache.sav_config) != 0) { | |
| 1277 vdev_set_state(rvd, B_TRUE, | |
| 1278 VDEV_STATE_CANT_OPEN, | |
| 1279 VDEV_AUX_CORRUPT_DATA); | |
| 1280 error = EIO; | |
| 1281 goto out; | |
| 1282 } | |
| 1283 | |
| 1284 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1285 spa_load_l2cache(spa); | |
| 1286 spa_config_exit(spa, FTAG); | |
| 1287 } | |
| 1288 | |
| 7294 | 1289 if (spa_check_logs(spa)) { |
| 1290 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1291 VDEV_AUX_BAD_LOG); | |
| 1292 error = ENXIO; | |
| 1293 ereport = FM_EREPORT_ZFS_LOG_REPLAY; | |
| 1294 goto out; | |
| 1295 } | |
| 1296 | |
| 1297 | |
| 5094 | 1298 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
| 4543 | 1299 |
| 3912 | 1300 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
| 1301 DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); | |
| 1302 | |
| 1303 if (error && error != ENOENT) { | |
| 1304 vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, | |
| 1305 VDEV_AUX_CORRUPT_DATA); | |
| 1306 error = EIO; | |
| 1307 goto out; | |
| 1308 } | |
| 1309 | |
| 1310 if (error == 0) { | |
| 1311 (void) zap_lookup(spa->spa_meta_objset, | |
| 1312 spa->spa_pool_props_object, | |
| 4451 | 1313 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1314 sizeof (uint64_t), 1, &spa->spa_bootfs); |
| 4451 | 1315 (void) zap_lookup(spa->spa_meta_objset, |
| 1316 spa->spa_pool_props_object, | |
| 1317 zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), | |
| 1318 sizeof (uint64_t), 1, &autoreplace); | |
| 4543 | 1319 (void) zap_lookup(spa->spa_meta_objset, |
| 1320 spa->spa_pool_props_object, | |
| 1321 zpool_prop_to_name(ZPOOL_PROP_DELEGATION), | |
| 1322 sizeof (uint64_t), 1, &spa->spa_delegation); | |
| 5329 | 1323 (void) zap_lookup(spa->spa_meta_objset, |
| 1324 spa->spa_pool_props_object, | |
| 1325 zpool_prop_to_name(ZPOOL_PROP_FAILUREMODE), | |
| 1326 sizeof (uint64_t), 1, &spa->spa_failmode); | |
| 3912 | 1327 } |
| 1328 | |
| 2082 | 1329 /* |
| 4451 | 1330 * If the 'autoreplace' property is set, then post a resource notifying |
| 1331 * the ZFS DE that it should not issue any faults for unopenable | |
| 1332 * devices. We also iterate over the vdevs, and post a sysevent for any | |
| 1333 * unopenable vdevs so that the normal autoreplace handler can take | |
| 1334 * over. | |
| 1335 */ | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
1336 if (autoreplace && state != SPA_LOAD_TRYIMPORT) |
| 4451 | 1337 spa_check_removed(spa->spa_root_vdev); |
| 1338 | |
| 1339 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1340 * Load the vdev state for all toplevel vdevs. |
| 789 | 1341 */ |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1342 vdev_load(rvd); |
| 789 | 1343 |
| 1344 /* | |
| 1345 * Propagate the leaf DTLs we just loaded all the way up the tree. | |
| 1346 */ | |
| 1544 | 1347 spa_config_enter(spa, RW_WRITER, FTAG); |
| 789 | 1348 vdev_dtl_reassess(rvd, 0, 0, B_FALSE); |
| 1544 | 1349 spa_config_exit(spa, FTAG); |
| 789 | 1350 |
| 1351 /* | |
| 1352 * Check the state of the root vdev. If it can't be opened, it | |
| 1353 * indicates one or more toplevel vdevs are faulted. | |
| 1354 */ | |
| 1544 | 1355 if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
| 1356 error = ENXIO; | |
| 1357 goto out; | |
| 1358 } | |
| 789 | 1359 |
| 1544 | 1360 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
|
1361 dmu_tx_t *tx; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1362 int need_update = B_FALSE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1363 int c; |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1364 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1365 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1366 * 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
|
1367 * 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
|
1368 */ |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1369 tx = dmu_tx_create_assigned(spa_get_dsl(spa), |
| 789 | 1370 spa_first_txg(spa)); |
| 2417 | 1371 (void) dmu_objset_find(spa->spa_name, |
| 1372 zil_claim, tx, DS_FIND_CHILDREN); | |
| 789 | 1373 dmu_tx_commit(tx); |
| 1374 | |
| 1375 spa->spa_sync_on = B_TRUE; | |
| 1376 txg_sync_start(spa->spa_dsl_pool); | |
| 1377 | |
| 1378 /* | |
| 1379 * Wait for all claims to sync. | |
| 1380 */ | |
| 1381 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
|
1382 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1383 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1384 * 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
|
1385 * 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
|
1386 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1387 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
|
1388 state == SPA_LOAD_IMPORT) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1389 need_update = B_TRUE; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1390 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1391 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
|
1392 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
|
1393 need_update = B_TRUE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1394 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1395 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1396 * 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
|
1397 * 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
|
1398 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1399 if (need_update) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1400 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
| 789 | 1401 } |
| 1402 | |
| 1544 | 1403 error = 0; |
| 1404 out: | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
1405 spa->spa_minref = refcount_count(&spa->spa_refcount); |
| 2082 | 1406 if (error && error != EBADF) |
| 7294 | 1407 zfs_ereport_post(ereport, spa, NULL, NULL, 0, 0); |
| 1544 | 1408 spa->spa_load_state = SPA_LOAD_NONE; |
| 1409 spa->spa_ena = 0; | |
| 1410 | |
| 1411 return (error); | |
| 789 | 1412 } |
| 1413 | |
| 1414 /* | |
| 1415 * Pool Open/Import | |
| 1416 * | |
| 1417 * The import case is identical to an open except that the configuration is sent | |
| 1418 * down from userland, instead of grabbed from the configuration cache. For the | |
| 1419 * case of an open, the pool configuration will exist in the | |
| 4451 | 1420 * POOL_STATE_UNINITIALIZED state. |
| 789 | 1421 * |
| 1422 * The stats information (gen/count/ustats) is used to gather vdev statistics at | |
| 1423 * the same time open the pool, without having to keep around the spa_t in some | |
| 1424 * ambiguous state. | |
| 1425 */ | |
| 1426 static int | |
| 1427 spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t **config) | |
| 1428 { | |
| 1429 spa_t *spa; | |
| 1430 int error; | |
| 1431 int locked = B_FALSE; | |
| 1432 | |
| 1433 *spapp = NULL; | |
| 1434 | |
| 1435 /* | |
| 1436 * As disgusting as this is, we need to support recursive calls to this | |
| 1437 * function because dsl_dir_open() is called during spa_load(), and ends | |
| 1438 * up calling spa_open() again. The real fix is to figure out how to | |
| 1439 * avoid dsl_dir_open() calling this in the first place. | |
| 1440 */ | |
| 1441 if (mutex_owner(&spa_namespace_lock) != curthread) { | |
| 1442 mutex_enter(&spa_namespace_lock); | |
| 1443 locked = B_TRUE; | |
| 1444 } | |
| 1445 | |
| 1446 if ((spa = spa_lookup(pool)) == NULL) { | |
| 1447 if (locked) | |
| 1448 mutex_exit(&spa_namespace_lock); | |
| 1449 return (ENOENT); | |
| 1450 } | |
| 1451 if (spa->spa_state == POOL_STATE_UNINITIALIZED) { | |
| 1452 | |
| 1453 spa_activate(spa); | |
| 1454 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1455 error = spa_load(spa, spa->spa_config, SPA_LOAD_OPEN, B_FALSE); |
| 789 | 1456 |
| 1457 if (error == EBADF) { | |
| 1458 /* | |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1459 * 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
|
1460 * 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
|
1461 * 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
|
1462 * 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
|
1463 * we should remove the pool from the namespace. |
| 789 | 1464 */ |
| 1465 spa_unload(spa); | |
| 1466 spa_deactivate(spa); | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1467 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 789 | 1468 spa_remove(spa); |
| 1469 if (locked) | |
| 1470 mutex_exit(&spa_namespace_lock); | |
| 1471 return (ENOENT); | |
| 1544 | 1472 } |
| 1473 | |
| 1474 if (error) { | |
| 789 | 1475 /* |
| 1476 * We can't open the pool, but we still have useful | |
| 1477 * information: the state of each vdev after the | |
| 1478 * attempted vdev_open(). Return this to the user. | |
| 1479 */ | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1480 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
|
1481 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 1482 *config = spa_config_generate(spa, NULL, -1ULL, |
| 1483 B_TRUE); | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1484 spa_config_exit(spa, FTAG); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1485 } |
| 789 | 1486 spa_unload(spa); |
| 1487 spa_deactivate(spa); | |
| 1544 | 1488 spa->spa_last_open_failed = B_TRUE; |
| 789 | 1489 if (locked) |
| 1490 mutex_exit(&spa_namespace_lock); | |
| 1491 *spapp = NULL; | |
| 1492 return (error); | |
| 1544 | 1493 } else { |
| 1494 spa->spa_last_open_failed = B_FALSE; | |
| 789 | 1495 } |
| 1496 } | |
| 1497 | |
| 1498 spa_open_ref(spa, tag); | |
| 4451 | 1499 |
| 789 | 1500 if (locked) |
| 1501 mutex_exit(&spa_namespace_lock); | |
| 1502 | |
| 1503 *spapp = spa; | |
| 1504 | |
| 1505 if (config != NULL) { | |
| 1544 | 1506 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 1507 *config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
| 1544 | 1508 spa_config_exit(spa, FTAG); |
| 789 | 1509 } |
| 1510 | |
| 1511 return (0); | |
| 1512 } | |
| 1513 | |
| 1514 int | |
| 1515 spa_open(const char *name, spa_t **spapp, void *tag) | |
| 1516 { | |
| 1517 return (spa_open_common(name, spapp, tag, NULL)); | |
| 1518 } | |
| 1519 | |
| 1544 | 1520 /* |
| 1521 * Lookup the given spa_t, incrementing the inject count in the process, | |
| 1522 * preventing it from being exported or destroyed. | |
| 1523 */ | |
| 1524 spa_t * | |
| 1525 spa_inject_addref(char *name) | |
| 1526 { | |
| 1527 spa_t *spa; | |
| 1528 | |
| 1529 mutex_enter(&spa_namespace_lock); | |
| 1530 if ((spa = spa_lookup(name)) == NULL) { | |
| 1531 mutex_exit(&spa_namespace_lock); | |
| 1532 return (NULL); | |
| 1533 } | |
| 1534 spa->spa_inject_ref++; | |
| 1535 mutex_exit(&spa_namespace_lock); | |
| 1536 | |
| 1537 return (spa); | |
| 1538 } | |
| 1539 | |
| 1540 void | |
| 1541 spa_inject_delref(spa_t *spa) | |
| 1542 { | |
| 1543 mutex_enter(&spa_namespace_lock); | |
| 1544 spa->spa_inject_ref--; | |
| 1545 mutex_exit(&spa_namespace_lock); | |
| 1546 } | |
| 1547 | |
| 5450 | 1548 /* |
| 1549 * Add spares device information to the nvlist. | |
| 1550 */ | |
| 2082 | 1551 static void |
| 1552 spa_add_spares(spa_t *spa, nvlist_t *config) | |
| 1553 { | |
| 1554 nvlist_t **spares; | |
| 1555 uint_t i, nspares; | |
| 1556 nvlist_t *nvroot; | |
| 1557 uint64_t guid; | |
| 1558 vdev_stat_t *vs; | |
| 1559 uint_t vsc; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1560 uint64_t pool; |
| 2082 | 1561 |
| 5450 | 1562 if (spa->spa_spares.sav_count == 0) |
| 2082 | 1563 return; |
| 1564 | |
| 1565 VERIFY(nvlist_lookup_nvlist(config, | |
| 1566 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 5450 | 1567 VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 1568 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
| 1569 if (nspares != 0) { | |
| 1570 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1571 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); | |
| 1572 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1573 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); | |
| 1574 | |
| 1575 /* | |
| 1576 * Go through and find any spares which have since been | |
| 1577 * repurposed as an active spare. If this is the case, update | |
| 1578 * their status appropriately. | |
| 1579 */ | |
| 1580 for (i = 0; i < nspares; i++) { | |
| 1581 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 1582 ZPOOL_CONFIG_GUID, &guid) == 0); | |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
1583 if (spa_spare_exists(guid, &pool, NULL) && |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
1584 pool != 0ULL) { |
| 2082 | 1585 VERIFY(nvlist_lookup_uint64_array( |
| 1586 spares[i], ZPOOL_CONFIG_STATS, | |
| 1587 (uint64_t **)&vs, &vsc) == 0); | |
| 1588 vs->vs_state = VDEV_STATE_CANT_OPEN; | |
| 1589 vs->vs_aux = VDEV_AUX_SPARED; | |
| 1590 } | |
| 1591 } | |
| 1592 } | |
| 1593 } | |
| 1594 | |
| 5450 | 1595 /* |
| 1596 * Add l2cache device information to the nvlist, including vdev stats. | |
| 1597 */ | |
| 1598 static void | |
| 1599 spa_add_l2cache(spa_t *spa, nvlist_t *config) | |
| 1600 { | |
| 1601 nvlist_t **l2cache; | |
| 1602 uint_t i, j, nl2cache; | |
| 1603 nvlist_t *nvroot; | |
| 1604 uint64_t guid; | |
| 1605 vdev_t *vd; | |
| 1606 vdev_stat_t *vs; | |
| 1607 uint_t vsc; | |
| 1608 | |
| 1609 if (spa->spa_l2cache.sav_count == 0) | |
| 1610 return; | |
| 1611 | |
| 1612 spa_config_enter(spa, RW_READER, FTAG); | |
| 1613 | |
| 1614 VERIFY(nvlist_lookup_nvlist(config, | |
| 1615 ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
| 1616 VERIFY(nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, | |
| 1617 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1618 if (nl2cache != 0) { | |
| 1619 VERIFY(nvlist_add_nvlist_array(nvroot, | |
| 1620 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 1621 VERIFY(nvlist_lookup_nvlist_array(nvroot, | |
| 1622 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); | |
| 1623 | |
| 1624 /* | |
| 1625 * Update level 2 cache device stats. | |
| 1626 */ | |
| 1627 | |
| 1628 for (i = 0; i < nl2cache; i++) { | |
| 1629 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 1630 ZPOOL_CONFIG_GUID, &guid) == 0); | |
| 1631 | |
| 1632 vd = NULL; | |
| 1633 for (j = 0; j < spa->spa_l2cache.sav_count; j++) { | |
| 1634 if (guid == | |
| 1635 spa->spa_l2cache.sav_vdevs[j]->vdev_guid) { | |
| 1636 vd = spa->spa_l2cache.sav_vdevs[j]; | |
| 1637 break; | |
| 1638 } | |
| 1639 } | |
| 1640 ASSERT(vd != NULL); | |
| 1641 | |
| 1642 VERIFY(nvlist_lookup_uint64_array(l2cache[i], | |
| 1643 ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); | |
| 1644 vdev_get_stats(vd, vs); | |
| 1645 } | |
| 1646 } | |
| 1647 | |
| 1648 spa_config_exit(spa, FTAG); | |
| 1649 } | |
| 1650 | |
| 789 | 1651 int |
| 1544 | 1652 spa_get_stats(const char *name, nvlist_t **config, char *altroot, size_t buflen) |
| 789 | 1653 { |
| 1654 int error; | |
| 1655 spa_t *spa; | |
| 1656 | |
| 1657 *config = NULL; | |
| 1658 error = spa_open_common(name, &spa, FTAG, config); | |
| 1659 | |
| 2082 | 1660 if (spa && *config != NULL) { |
| 1544 | 1661 VERIFY(nvlist_add_uint64(*config, ZPOOL_CONFIG_ERRCOUNT, |
| 1662 spa_get_errlog_size(spa)) == 0); | |
| 1663 | |
| 2082 | 1664 spa_add_spares(spa, *config); |
| 5450 | 1665 spa_add_l2cache(spa, *config); |
| 2082 | 1666 } |
| 1667 | |
| 1544 | 1668 /* |
| 1669 * We want to get the alternate root even for faulted pools, so we cheat | |
| 1670 * and call spa_lookup() directly. | |
| 1671 */ | |
| 1672 if (altroot) { | |
| 1673 if (spa == NULL) { | |
| 1674 mutex_enter(&spa_namespace_lock); | |
| 1675 spa = spa_lookup(name); | |
| 1676 if (spa) | |
| 1677 spa_altroot(spa, altroot, buflen); | |
| 1678 else | |
| 1679 altroot[0] = '\0'; | |
| 1680 spa = NULL; | |
| 1681 mutex_exit(&spa_namespace_lock); | |
| 1682 } else { | |
| 1683 spa_altroot(spa, altroot, buflen); | |
| 1684 } | |
| 1685 } | |
| 1686 | |
| 789 | 1687 if (spa != NULL) |
| 1688 spa_close(spa, FTAG); | |
| 1689 | |
| 1690 return (error); | |
| 1691 } | |
| 1692 | |
| 1693 /* | |
| 5450 | 1694 * Validate that the auxiliary device array is well formed. We must have an |
| 1695 * array of nvlists, each which describes a valid leaf vdev. If this is an | |
| 1696 * import (mode is VDEV_ALLOC_SPARE), then we allow corrupted spares to be | |
| 1697 * specified, as long as they are well-formed. | |
| 2082 | 1698 */ |
| 1699 static int | |
| 5450 | 1700 spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode, |
| 1701 spa_aux_vdev_t *sav, const char *config, uint64_t version, | |
| 1702 vdev_labeltype_t label) | |
| 2082 | 1703 { |
| 5450 | 1704 nvlist_t **dev; |
| 1705 uint_t i, ndev; | |
| 2082 | 1706 vdev_t *vd; |
| 1707 int error; | |
| 1708 | |
| 1709 /* | |
| 5450 | 1710 * It's acceptable to have no devs specified. |
| 2082 | 1711 */ |
| 5450 | 1712 if (nvlist_lookup_nvlist_array(nvroot, config, &dev, &ndev) != 0) |
| 2082 | 1713 return (0); |
| 1714 | |
| 5450 | 1715 if (ndev == 0) |
| 2082 | 1716 return (EINVAL); |
| 1717 | |
| 1718 /* | |
| 5450 | 1719 * Make sure the pool is formatted with a version that supports this |
| 1720 * device type. | |
| 2082 | 1721 */ |
| 5450 | 1722 if (spa_version(spa) < version) |
| 2082 | 1723 return (ENOTSUP); |
| 1724 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1725 /* |
| 5450 | 1726 * 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
|
1727 * checking. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1728 */ |
| 5450 | 1729 sav->sav_pending = dev; |
| 1730 sav->sav_npending = ndev; | |
| 1731 | |
| 1732 for (i = 0; i < ndev; i++) { | |
| 1733 if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0, | |
| 2082 | 1734 mode)) != 0) |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1735 goto out; |
| 2082 | 1736 |
| 1737 if (!vd->vdev_ops->vdev_op_leaf) { | |
| 1738 vdev_free(vd); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1739 error = EINVAL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1740 goto out; |
| 2082 | 1741 } |
| 1742 | |
| 5450 | 1743 /* |
| 1744 * The L2ARC currently only supports disk devices. | |
| 1745 */ | |
| 1746 if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) && | |
| 1747 strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) { | |
| 1748 error = ENOTBLK; | |
| 1749 goto out; | |
| 1750 } | |
| 1751 | |
| 2082 | 1752 vd->vdev_top = vd; |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1753 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1754 if ((error = vdev_open(vd)) == 0 && |
| 5450 | 1755 (error = vdev_label_init(vd, crtxg, label)) == 0) { |
| 1756 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
|
1757 vd->vdev_guid) == 0); |
| 2082 | 1758 } |
| 1759 | |
| 1760 vdev_free(vd); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1761 |
| 5450 | 1762 if (error && |
| 1763 (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
|
1764 goto out; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1765 else |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1766 error = 0; |
| 2082 | 1767 } |
| 1768 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1769 out: |
| 5450 | 1770 sav->sav_pending = NULL; |
| 1771 sav->sav_npending = 0; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1772 return (error); |
| 2082 | 1773 } |
| 1774 | |
| 5450 | 1775 static int |
| 1776 spa_validate_aux(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) | |
| 1777 { | |
| 1778 int error; | |
| 1779 | |
| 1780 if ((error = spa_validate_aux_devs(spa, nvroot, crtxg, mode, | |
| 1781 &spa->spa_spares, ZPOOL_CONFIG_SPARES, SPA_VERSION_SPARES, | |
| 1782 VDEV_LABEL_SPARE)) != 0) { | |
| 1783 return (error); | |
| 1784 } | |
| 1785 | |
| 1786 return (spa_validate_aux_devs(spa, nvroot, crtxg, mode, | |
| 1787 &spa->spa_l2cache, ZPOOL_CONFIG_L2CACHE, SPA_VERSION_L2CACHE, | |
| 1788 VDEV_LABEL_L2CACHE)); | |
| 1789 } | |
| 1790 | |
| 1791 static void | |
| 1792 spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs, | |
| 1793 const char *config) | |
| 1794 { | |
| 1795 int i; | |
| 1796 | |
| 1797 if (sav->sav_config != NULL) { | |
| 1798 nvlist_t **olddevs; | |
| 1799 uint_t oldndevs; | |
| 1800 nvlist_t **newdevs; | |
| 1801 | |
| 1802 /* | |
| 1803 * Generate new dev list by concatentating with the | |
| 1804 * current dev list. | |
| 1805 */ | |
| 1806 VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config, | |
| 1807 &olddevs, &oldndevs) == 0); | |
| 1808 | |
| 1809 newdevs = kmem_alloc(sizeof (void *) * | |
| 1810 (ndevs + oldndevs), KM_SLEEP); | |
| 1811 for (i = 0; i < oldndevs; i++) | |
| 1812 VERIFY(nvlist_dup(olddevs[i], &newdevs[i], | |
| 1813 KM_SLEEP) == 0); | |
| 1814 for (i = 0; i < ndevs; i++) | |
| 1815 VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs], | |
| 1816 KM_SLEEP) == 0); | |
| 1817 | |
| 1818 VERIFY(nvlist_remove(sav->sav_config, config, | |
| 1819 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 1820 | |
| 1821 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 1822 config, newdevs, ndevs + oldndevs) == 0); | |
| 1823 for (i = 0; i < oldndevs + ndevs; i++) | |
| 1824 nvlist_free(newdevs[i]); | |
| 1825 kmem_free(newdevs, (oldndevs + ndevs) * sizeof (void *)); | |
| 1826 } else { | |
| 1827 /* | |
| 1828 * Generate a new dev list. | |
| 1829 */ | |
| 1830 VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME, | |
| 1831 KM_SLEEP) == 0); | |
| 1832 VERIFY(nvlist_add_nvlist_array(sav->sav_config, config, | |
| 1833 devs, ndevs) == 0); | |
| 1834 } | |
| 1835 } | |
| 1836 | |
| 1837 /* | |
| 1838 * Stop and drop level 2 ARC devices | |
| 1839 */ | |
| 1840 void | |
| 1841 spa_l2cache_drop(spa_t *spa) | |
| 1842 { | |
| 1843 vdev_t *vd; | |
| 1844 int i; | |
| 1845 spa_aux_vdev_t *sav = &spa->spa_l2cache; | |
| 1846 | |
| 1847 for (i = 0; i < sav->sav_count; i++) { | |
| 1848 uint64_t pool; | |
| 1849 | |
| 1850 vd = sav->sav_vdevs[i]; | |
| 1851 ASSERT(vd != NULL); | |
| 1852 | |
| 1853 if (spa_mode & FWRITE && | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1854 spa_l2cache_exists(vd->vdev_guid, &pool) && pool != 0ULL && |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1855 l2arc_vdev_present(vd)) { |
| 5450 | 1856 l2arc_remove_vdev(vd); |
| 1857 } | |
| 1858 if (vd->vdev_isl2cache) | |
| 1859 spa_l2cache_remove(vd); | |
| 1860 vdev_clear_stats(vd); | |
| 1861 (void) vdev_close(vd); | |
| 1862 } | |
| 1863 } | |
| 1864 | |
| 2082 | 1865 /* |
| 789 | 1866 * Pool Creation |
| 1867 */ | |
| 1868 int | |
| 5094 | 1869 spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
1870 const char *history_str, nvlist_t *zplprops) |
| 789 | 1871 { |
| 1872 spa_t *spa; | |
| 5094 | 1873 char *altroot = NULL; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1874 vdev_t *rvd; |
| 789 | 1875 dsl_pool_t *dp; |
| 1876 dmu_tx_t *tx; | |
| 2082 | 1877 int c, error = 0; |
| 789 | 1878 uint64_t txg = TXG_INITIAL; |
| 5450 | 1879 nvlist_t **spares, **l2cache; |
| 1880 uint_t nspares, nl2cache; | |
| 5094 | 1881 uint64_t version; |
| 789 | 1882 |
| 1883 /* | |
| 1884 * If this pool already exists, return failure. | |
| 1885 */ | |
| 1886 mutex_enter(&spa_namespace_lock); | |
| 1887 if (spa_lookup(pool) != NULL) { | |
| 1888 mutex_exit(&spa_namespace_lock); | |
| 1889 return (EEXIST); | |
| 1890 } | |
| 1891 | |
| 1892 /* | |
| 1893 * Allocate a new spa_t structure. | |
| 1894 */ | |
| 5094 | 1895 (void) nvlist_lookup_string(props, |
| 1896 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
|
1897 spa = spa_add(pool, altroot); |
| 789 | 1898 spa_activate(spa); |
| 1899 | |
| 1900 spa->spa_uberblock.ub_txg = txg - 1; | |
| 5094 | 1901 |
| 1902 if (props && (error = spa_prop_validate(spa, props))) { | |
| 1903 spa_unload(spa); | |
| 1904 spa_deactivate(spa); | |
| 1905 spa_remove(spa); | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1906 mutex_exit(&spa_namespace_lock); |
| 5094 | 1907 return (error); |
| 1908 } | |
| 1909 | |
| 1910 if (nvlist_lookup_uint64(props, zpool_prop_to_name(ZPOOL_PROP_VERSION), | |
| 1911 &version) != 0) | |
| 1912 version = SPA_VERSION; | |
| 1913 ASSERT(version <= SPA_VERSION); | |
| 1914 spa->spa_uberblock.ub_version = version; | |
| 789 | 1915 spa->spa_ubsync = spa->spa_uberblock; |
| 1916 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1917 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1918 * Create the root vdev. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1919 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1920 spa_config_enter(spa, RW_WRITER, FTAG); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1921 |
| 2082 | 1922 error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); |
| 1923 | |
| 1924 ASSERT(error != 0 || rvd != NULL); | |
| 1925 ASSERT(error != 0 || spa->spa_root_vdev == rvd); | |
| 1926 | |
|
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
|
1927 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
|
1928 error = EINVAL; |
| 2082 | 1929 |
| 1930 if (error == 0 && | |
| 1931 (error = vdev_create(rvd, txg, B_FALSE)) == 0 && | |
| 5450 | 1932 (error = spa_validate_aux(spa, nvroot, txg, |
| 2082 | 1933 VDEV_ALLOC_ADD)) == 0) { |
| 1934 for (c = 0; c < rvd->vdev_children; c++) | |
| 1935 vdev_init(rvd->vdev_child[c], txg); | |
| 1936 vdev_config_dirty(rvd); | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1937 } |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1938 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1939 spa_config_exit(spa, FTAG); |
| 789 | 1940 |
| 2082 | 1941 if (error != 0) { |
| 789 | 1942 spa_unload(spa); |
| 1943 spa_deactivate(spa); | |
| 1944 spa_remove(spa); | |
| 1945 mutex_exit(&spa_namespace_lock); | |
| 1946 return (error); | |
| 1947 } | |
| 1948 | |
| 2082 | 1949 /* |
| 1950 * Get the list of spares, if specified. | |
| 1951 */ | |
| 1952 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 1953 &spares, &nspares) == 0) { | |
| 5450 | 1954 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, |
| 2082 | 1955 KM_SLEEP) == 0); |
| 5450 | 1956 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 1957 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
| 1958 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1959 spa_load_spares(spa); | |
| 1960 spa_config_exit(spa, FTAG); | |
| 5450 | 1961 spa->spa_spares.sav_sync = B_TRUE; |
| 1962 } | |
| 1963 | |
| 1964 /* | |
| 1965 * Get the list of level 2 cache devices, if specified. | |
| 1966 */ | |
| 1967 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 1968 &l2cache, &nl2cache) == 0) { | |
| 1969 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 1970 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 1971 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 1972 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 1973 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 1974 spa_load_l2cache(spa); | |
| 1975 spa_config_exit(spa, FTAG); | |
| 1976 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 2082 | 1977 } |
| 1978 | |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
1979 spa->spa_dsl_pool = dp = dsl_pool_create(spa, zplprops, txg); |
| 789 | 1980 spa->spa_meta_objset = dp->dp_meta_objset; |
| 1981 | |
| 1982 tx = dmu_tx_create_assigned(dp, txg); | |
| 1983 | |
| 1984 /* | |
| 1985 * Create the pool config object. | |
| 1986 */ | |
| 1987 spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 1988 DMU_OT_PACKED_NVLIST, 1 << 14, | |
| 1989 DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); | |
| 1990 | |
| 1544 | 1991 if (zap_add(spa->spa_meta_objset, |
| 789 | 1992 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1993 sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { |
| 1994 cmn_err(CE_PANIC, "failed to add pool config"); | |
| 1995 } | |
| 789 | 1996 |
| 5094 | 1997 /* Newly created pools with the right version are always deflated. */ |
| 1998 if (version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 1999 spa->spa_deflate = TRUE; | |
| 2000 if (zap_add(spa->spa_meta_objset, | |
| 2001 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 2002 sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { | |
| 2003 cmn_err(CE_PANIC, "failed to add deflate"); | |
| 2004 } | |
| 2082 | 2005 } |
| 2006 | |
| 789 | 2007 /* |
| 2008 * Create the deferred-free bplist object. Turn off compression | |
| 2009 * because sync-to-convergence takes longer if the blocksize | |
| 2010 * keeps changing. | |
| 2011 */ | |
| 2012 spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, | |
| 2013 1 << 14, tx); | |
| 2014 dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, | |
| 2015 ZIO_COMPRESS_OFF, tx); | |
| 2016 | |
| 1544 | 2017 if (zap_add(spa->spa_meta_objset, |
| 789 | 2018 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
| 1544 | 2019 sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) { |
| 2020 cmn_err(CE_PANIC, "failed to add bplist"); | |
| 2021 } | |
| 789 | 2022 |
| 2926 | 2023 /* |
| 2024 * Create the pool's history object. | |
| 2025 */ | |
| 5094 | 2026 if (version >= SPA_VERSION_ZPOOL_HISTORY) |
| 2027 spa_history_create_obj(spa, tx); | |
| 2028 | |
| 2029 /* | |
| 2030 * Set pool properties. | |
| 2031 */ | |
| 2032 spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); | |
| 2033 spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); | |
| 5329 | 2034 spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); |
| 5094 | 2035 if (props) |
| 2036 spa_sync_props(spa, props, CRED(), tx); | |
| 2926 | 2037 |
| 789 | 2038 dmu_tx_commit(tx); |
| 2039 | |
| 2040 spa->spa_sync_on = B_TRUE; | |
| 2041 txg_sync_start(spa->spa_dsl_pool); | |
| 2042 | |
| 2043 /* | |
| 2044 * We explicitly wait for the first transaction to complete so that our | |
| 2045 * bean counters are appropriately updated. | |
| 2046 */ | |
| 2047 txg_wait_synced(spa->spa_dsl_pool, txg); | |
| 2048 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2049 spa_config_sync(spa, B_FALSE, B_TRUE); |
| 789 | 2050 |
| 5094 | 2051 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
|
2052 (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
|
2053 |
| 789 | 2054 mutex_exit(&spa_namespace_lock); |
| 2055 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2056 spa->spa_minref = refcount_count(&spa->spa_refcount); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2057 |
| 789 | 2058 return (0); |
| 2059 } | |
| 2060 | |
| 2061 /* | |
| 2062 * Import the given pool into the system. We set up the necessary spa_t and | |
| 2063 * then call spa_load() to do the dirty work. | |
| 2064 */ | |
| 6423 | 2065 static int |
| 2066 spa_import_common(const char *pool, nvlist_t *config, nvlist_t *props, | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2067 boolean_t isroot, boolean_t allowfaulted) |
| 789 | 2068 { |
| 2069 spa_t *spa; | |
| 5094 | 2070 char *altroot = NULL; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2071 int error, loaderr; |
| 2082 | 2072 nvlist_t *nvroot; |
| 5450 | 2073 nvlist_t **spares, **l2cache; |
| 2074 uint_t nspares, nl2cache; | |
| 789 | 2075 |
| 2076 /* | |
| 2077 * If a pool with this name exists, return failure. | |
| 2078 */ | |
| 2079 mutex_enter(&spa_namespace_lock); | |
| 2080 if (spa_lookup(pool) != NULL) { | |
| 2081 mutex_exit(&spa_namespace_lock); | |
| 2082 return (EEXIST); | |
| 2083 } | |
| 2084 | |
| 2085 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2086 * Create and initialize the spa structure. |
| 789 | 2087 */ |
| 5094 | 2088 (void) nvlist_lookup_string(props, |
| 2089 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
|
2090 spa = spa_add(pool, altroot); |
| 789 | 2091 spa_activate(spa); |
| 2092 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2093 if (allowfaulted) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2094 spa->spa_import_faulted = B_TRUE; |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2095 spa->spa_is_root = isroot; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2096 |
| 789 | 2097 /* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2098 * Pass off the heavy lifting to spa_load(). |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2099 * Pass TRUE for mosconfig (unless this is a root pool) because |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2100 * the user-supplied config is actually the one to trust when |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2101 * doing an import. |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2102 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2103 loaderr = error = spa_load(spa, config, SPA_LOAD_IMPORT, !isroot); |
| 789 | 2104 |
| 2082 | 2105 spa_config_enter(spa, RW_WRITER, FTAG); |
| 2106 /* | |
| 2107 * Toss any existing sparelist, as it doesn't have any validity anymore, | |
| 2108 * and conflicts with spa_has_spare(). | |
| 2109 */ | |
| 6423 | 2110 if (!isroot && spa->spa_spares.sav_config) { |
| 5450 | 2111 nvlist_free(spa->spa_spares.sav_config); |
| 2112 spa->spa_spares.sav_config = NULL; | |
| 2082 | 2113 spa_load_spares(spa); |
| 2114 } | |
| 6423 | 2115 if (!isroot && spa->spa_l2cache.sav_config) { |
| 5450 | 2116 nvlist_free(spa->spa_l2cache.sav_config); |
| 2117 spa->spa_l2cache.sav_config = NULL; | |
| 2118 spa_load_l2cache(spa); | |
| 2119 } | |
| 2082 | 2120 |
| 2121 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
| 2122 &nvroot) == 0); | |
| 5450 | 2123 if (error == 0) |
| 2124 error = spa_validate_aux(spa, nvroot, -1ULL, VDEV_ALLOC_SPARE); | |
| 2125 if (error == 0) | |
| 2126 error = spa_validate_aux(spa, nvroot, -1ULL, | |
| 2127 VDEV_ALLOC_L2CACHE); | |
| 2082 | 2128 spa_config_exit(spa, FTAG); |
| 2129 | |
| 5094 | 2130 if (error != 0 || (props && (error = spa_prop_set(spa, props)))) { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2131 if (loaderr != 0 && loaderr != EINVAL && allowfaulted) { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2132 /* |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2133 * If we failed to load the pool, but 'allowfaulted' is |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2134 * set, then manually set the config as if the config |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2135 * passed in was specified in the cache file. |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2136 */ |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2137 error = 0; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2138 spa->spa_import_faulted = B_FALSE; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2139 if (spa->spa_config == NULL) { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2140 spa_config_enter(spa, RW_READER, FTAG); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2141 spa->spa_config = spa_config_generate(spa, |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2142 NULL, -1ULL, B_TRUE); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2143 spa_config_exit(spa, FTAG); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2144 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2145 spa_unload(spa); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2146 spa_deactivate(spa); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2147 spa_config_sync(spa, B_FALSE, B_TRUE); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2148 } else { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2149 spa_unload(spa); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2150 spa_deactivate(spa); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2151 spa_remove(spa); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2152 } |
| 789 | 2153 mutex_exit(&spa_namespace_lock); |
| 2154 return (error); | |
| 2155 } | |
| 2156 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2157 /* |
| 5450 | 2158 * Override any spares and level 2 cache devices as specified by |
| 2159 * the user, as these may have correct device names/devids, etc. | |
| 2082 | 2160 */ |
| 2161 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
| 2162 &spares, &nspares) == 0) { | |
| 5450 | 2163 if (spa->spa_spares.sav_config) |
| 2164 VERIFY(nvlist_remove(spa->spa_spares.sav_config, | |
| 2082 | 2165 ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
| 2166 else | |
| 5450 | 2167 VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, |
| 2082 | 2168 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 5450 | 2169 VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
| 2082 | 2170 ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
| 2171 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 2172 spa_load_spares(spa); | |
| 2173 spa_config_exit(spa, FTAG); | |
| 5450 | 2174 spa->spa_spares.sav_sync = B_TRUE; |
| 2175 } | |
| 2176 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
| 2177 &l2cache, &nl2cache) == 0) { | |
| 2178 if (spa->spa_l2cache.sav_config) | |
| 2179 VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, | |
| 2180 ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 2181 else | |
| 2182 VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, | |
| 2183 NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2184 VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, | |
| 2185 ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); | |
| 2186 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 2187 spa_load_l2cache(spa); | |
| 2188 spa_config_exit(spa, FTAG); | |
| 2189 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 2082 | 2190 } |
| 2191 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2192 if (spa_mode & FWRITE) { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2193 /* |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2194 * Update the config cache to include the newly-imported pool. |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2195 */ |
| 6423 | 2196 spa_config_update_common(spa, SPA_CONFIG_UPDATE_POOL, isroot); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2197 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2198 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2199 spa->spa_import_faulted = B_FALSE; |
| 4451 | 2200 mutex_exit(&spa_namespace_lock); |
| 2201 | |
| 789 | 2202 return (0); |
| 2203 } | |
| 2204 | |
| 6423 | 2205 #ifdef _KERNEL |
| 2206 /* | |
| 2207 * Build a "root" vdev for a top level vdev read in from a rootpool | |
| 2208 * device label. | |
| 2209 */ | |
| 2210 static void | |
| 2211 spa_build_rootpool_config(nvlist_t *config) | |
| 2212 { | |
| 2213 nvlist_t *nvtop, *nvroot; | |
| 2214 uint64_t pgid; | |
| 2215 | |
| 2216 /* | |
| 2217 * Add this top-level vdev to the child array. | |
| 2218 */ | |
| 2219 VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvtop) | |
| 2220 == 0); | |
| 2221 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pgid) | |
| 2222 == 0); | |
| 2223 | |
| 2224 /* | |
| 2225 * Put this pool's top-level vdevs into a root vdev. | |
| 2226 */ | |
| 2227 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 2228 VERIFY(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) | |
| 2229 == 0); | |
| 2230 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) == 0); | |
| 2231 VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_GUID, pgid) == 0); | |
| 2232 VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
| 2233 &nvtop, 1) == 0); | |
| 2234 | |
| 2235 /* | |
| 2236 * Replace the existing vdev_tree with the new root vdev in | |
| 2237 * this pool's configuration (remove the old, add the new). | |
| 2238 */ | |
| 2239 VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0); | |
| 2240 nvlist_free(nvroot); | |
| 2241 } | |
| 2242 | |
| 2243 /* | |
| 2244 * Get the root pool information from the root disk, then import the root pool | |
| 2245 * during the system boot up time. | |
| 2246 */ | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2247 extern nvlist_t *vdev_disk_read_rootlabel(char *, char *); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2248 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2249 int |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2250 spa_check_rootconf(char *devpath, char *devid, nvlist_t **bestconf, |
| 6423 | 2251 uint64_t *besttxg) |
| 2252 { | |
| 2253 nvlist_t *config; | |
| 2254 uint64_t txg; | |
| 2255 | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2256 if ((config = vdev_disk_read_rootlabel(devpath, devid)) == NULL) |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2257 return (-1); |
| 6423 | 2258 |
| 2259 VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &txg) == 0); | |
| 2260 | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2261 if (bestconf != NULL) |
| 6423 | 2262 *bestconf = config; |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2263 *besttxg = txg; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2264 return (0); |
| 6423 | 2265 } |
| 2266 | |
| 2267 boolean_t | |
| 2268 spa_rootdev_validate(nvlist_t *nv) | |
| 2269 { | |
| 2270 uint64_t ival; | |
| 2271 | |
| 2272 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || | |
| 2273 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || | |
| 2274 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) | |
| 2275 return (B_FALSE); | |
| 2276 | |
| 2277 return (B_TRUE); | |
| 2278 } | |
| 2279 | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2280 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2281 /* |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2282 * Given the boot device's physical path or devid, check if the device |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2283 * is in a valid state. If so, return the configuration from the vdev |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2284 * label. |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2285 */ |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2286 int |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2287 spa_get_rootconf(char *devpath, char *devid, nvlist_t **bestconf) |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2288 { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2289 nvlist_t *conf = NULL; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2290 uint64_t txg = 0; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2291 nvlist_t *nvtop, **child; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2292 char *type; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2293 char *bootpath = NULL; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2294 uint_t children, c; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2295 char *tmp; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2296 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2297 if (devpath && ((tmp = strchr(devpath, ' ')) != NULL)) |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2298 *tmp = '\0'; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2299 if (spa_check_rootconf(devpath, devid, &conf, &txg) < 0) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2300 cmn_err(CE_NOTE, "error reading device label"); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2301 nvlist_free(conf); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2302 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2303 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2304 if (txg == 0) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2305 cmn_err(CE_NOTE, "this device is detached"); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2306 nvlist_free(conf); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2307 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2308 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2309 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2310 VERIFY(nvlist_lookup_nvlist(conf, ZPOOL_CONFIG_VDEV_TREE, |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2311 &nvtop) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2312 VERIFY(nvlist_lookup_string(nvtop, ZPOOL_CONFIG_TYPE, &type) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2313 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2314 if (strcmp(type, VDEV_TYPE_DISK) == 0) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2315 if (spa_rootdev_validate(nvtop)) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2316 goto out; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2317 } else { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2318 nvlist_free(conf); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2319 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2320 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2321 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2322 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2323 ASSERT(strcmp(type, VDEV_TYPE_MIRROR) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2324 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2325 VERIFY(nvlist_lookup_nvlist_array(nvtop, ZPOOL_CONFIG_CHILDREN, |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2326 &child, &children) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2327 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2328 /* |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2329 * Go thru vdevs in the mirror to see if the given device |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2330 * has the most recent txg. Only the device with the most |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2331 * recent txg has valid information and should be booted. |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2332 */ |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2333 for (c = 0; c < children; c++) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2334 char *cdevid, *cpath; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2335 uint64_t tmptxg; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2336 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2337 if (nvlist_lookup_string(child[c], ZPOOL_CONFIG_PHYS_PATH, |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2338 &cpath) != 0) |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2339 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2340 if (nvlist_lookup_string(child[c], ZPOOL_CONFIG_DEVID, |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2341 &cdevid) != 0) |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2342 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2343 if ((spa_check_rootconf(cpath, cdevid, NULL, |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2344 &tmptxg) == 0) && (tmptxg > txg)) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2345 txg = tmptxg; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2346 VERIFY(nvlist_lookup_string(child[c], |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2347 ZPOOL_CONFIG_PATH, &bootpath) == 0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2348 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2349 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2350 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2351 /* Does the best device match the one we've booted from? */ |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2352 if (bootpath) { |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2353 cmn_err(CE_NOTE, "try booting from '%s'", bootpath); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2354 return (EINVAL); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2355 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2356 out: |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2357 *bestconf = conf; |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2358 return (0); |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2359 } |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2360 |
| 6423 | 2361 /* |
| 2362 * Import a root pool. | |
| 2363 * | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2364 * For x86. devpath_list will consist of devid and/or physpath name of |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2365 * the vdev (e.g. "id1,sd@SSEAGATE..." or "/pci@1f,0/ide@d/disk@0,0:a"). |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2366 * The GRUB "findroot" command will return the vdev we should boot. |
| 6423 | 2367 * |
| 2368 * For Sparc, devpath_list consists the physpath name of the booting device | |
| 2369 * no matter the rootpool is a single device pool or a mirrored pool. | |
| 2370 * e.g. | |
| 2371 * "/pci@1f,0/ide@d/disk@0,0:a" | |
| 2372 */ | |
| 2373 int | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2374 spa_import_rootpool(char *devpath, char *devid) |
| 6423 | 2375 { |
| 2376 nvlist_t *conf = NULL; | |
| 2377 char *pname; | |
| 2378 int error; | |
| 2379 | |
| 2380 /* | |
| 2381 * Get the vdev pathname and configuation from the most | |
| 2382 * recently updated vdev (highest txg). | |
| 2383 */ | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2384 if (error = spa_get_rootconf(devpath, devid, &conf)) |
| 6423 | 2385 goto msg_out; |
| 2386 | |
| 2387 /* | |
| 2388 * Add type "root" vdev to the config. | |
| 2389 */ | |
| 2390 spa_build_rootpool_config(conf); | |
| 2391 | |
| 2392 VERIFY(nvlist_lookup_string(conf, ZPOOL_CONFIG_POOL_NAME, &pname) == 0); | |
| 2393 | |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2394 /* |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2395 * We specify 'allowfaulted' for this to be treated like spa_open() |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2396 * instead of spa_import(). This prevents us from marking vdevs as |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2397 * persistently unavailable, and generates FMA ereports as if it were a |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2398 * pool open, not import. |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2399 */ |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2400 error = spa_import_common(pname, conf, NULL, B_TRUE, B_TRUE); |
| 6423 | 2401 if (error == EEXIST) |
| 2402 error = 0; | |
| 2403 | |
| 2404 nvlist_free(conf); | |
| 2405 return (error); | |
| 2406 | |
| 2407 msg_out: | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2408 cmn_err(CE_NOTE, "\n" |
| 6423 | 2409 " *************************************************** \n" |
| 2410 " * This device is not bootable! * \n" | |
| 2411 " * It is either offlined or detached or faulted. * \n" | |
| 2412 " * Please try to boot from a different device. * \n" | |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2413 " *************************************************** "); |
| 6423 | 2414 |
| 2415 return (error); | |
| 2416 } | |
| 2417 #endif | |
| 2418 | |
| 2419 /* | |
| 2420 * Import a non-root pool into the system. | |
| 2421 */ | |
| 2422 int | |
| 2423 spa_import(const char *pool, nvlist_t *config, nvlist_t *props) | |
| 2424 { | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2425 return (spa_import_common(pool, config, props, B_FALSE, B_FALSE)); |
| 6423 | 2426 } |
| 2427 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2428 int |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2429 spa_import_faulted(const char *pool, nvlist_t *config, nvlist_t *props) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2430 { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2431 return (spa_import_common(pool, config, props, B_FALSE, B_TRUE)); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2432 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2433 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2434 |
| 789 | 2435 /* |
| 2436 * This (illegal) pool name is used when temporarily importing a spa_t in order | |
| 2437 * to get the vdev stats associated with the imported devices. | |
| 2438 */ | |
| 2439 #define TRYIMPORT_NAME "$import" | |
| 2440 | |
| 2441 nvlist_t * | |
| 2442 spa_tryimport(nvlist_t *tryconfig) | |
| 2443 { | |
| 2444 nvlist_t *config = NULL; | |
| 2445 char *poolname; | |
| 2446 spa_t *spa; | |
| 2447 uint64_t state; | |
| 2448 | |
| 2449 if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) | |
| 2450 return (NULL); | |
| 2451 | |
| 2452 if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) | |
| 2453 return (NULL); | |
| 2454 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2455 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2456 * Create and initialize the spa structure. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2457 */ |
| 789 | 2458 mutex_enter(&spa_namespace_lock); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2459 spa = spa_add(TRYIMPORT_NAME, NULL); |
| 789 | 2460 spa_activate(spa); |
| 2461 | |
| 2462 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2463 * Pass off the heavy lifting to spa_load(). |
| 1732 | 2464 * Pass TRUE for mosconfig because the user-supplied config |
| 2465 * is actually the one to trust when doing an import. | |
| 789 | 2466 */ |
| 1732 | 2467 (void) spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
| 789 | 2468 |
| 2469 /* | |
| 2470 * If 'tryconfig' was at least parsable, return the current config. | |
| 2471 */ | |
| 2472 if (spa->spa_root_vdev != NULL) { | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2473 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 2474 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
|
2475 spa_config_exit(spa, FTAG); |
| 789 | 2476 VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, |
| 2477 poolname) == 0); | |
| 2478 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, | |
| 2479 state) == 0); | |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2480 VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2481 spa->spa_uberblock.ub_timestamp) == 0); |
| 2082 | 2482 |
| 2483 /* | |
| 6423 | 2484 * If the bootfs property exists on this pool then we |
| 2485 * copy it out so that external consumers can tell which | |
| 2486 * pools are bootable. | |
| 2487 */ | |
| 2488 if (spa->spa_bootfs) { | |
| 2489 char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
| 2490 | |
| 2491 /* | |
| 2492 * We have to play games with the name since the | |
| 2493 * pool was opened as TRYIMPORT_NAME. | |
| 2494 */ | |
| 2495 if (dsl_dsobj_to_dsname(spa->spa_name, | |
| 2496 spa->spa_bootfs, tmpname) == 0) { | |
| 2497 char *cp; | |
| 2498 char *dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
| 2499 | |
| 2500 cp = strchr(tmpname, '/'); | |
| 2501 if (cp == NULL) { | |
| 2502 (void) strlcpy(dsname, tmpname, | |
| 2503 MAXPATHLEN); | |
| 2504 } else { | |
| 2505 (void) snprintf(dsname, MAXPATHLEN, | |
| 2506 "%s/%s", poolname, ++cp); | |
| 2507 } | |
| 2508 VERIFY(nvlist_add_string(config, | |
| 2509 ZPOOL_CONFIG_BOOTFS, dsname) == 0); | |
| 2510 kmem_free(dsname, MAXPATHLEN); | |
| 2511 } | |
| 2512 kmem_free(tmpname, MAXPATHLEN); | |
| 2513 } | |
| 2514 | |
| 2515 /* | |
| 5450 | 2516 * Add the list of hot spares and level 2 cache devices. |
| 2082 | 2517 */ |
| 2518 spa_add_spares(spa, config); | |
| 5450 | 2519 spa_add_l2cache(spa, config); |
| 789 | 2520 } |
| 2521 | |
| 2522 spa_unload(spa); | |
| 2523 spa_deactivate(spa); | |
| 2524 spa_remove(spa); | |
| 2525 mutex_exit(&spa_namespace_lock); | |
| 2526 | |
| 2527 return (config); | |
| 2528 } | |
| 2529 | |
| 2530 /* | |
| 2531 * Pool export/destroy | |
| 2532 * | |
| 2533 * The act of destroying or exporting a pool is very simple. We make sure there | |
| 2534 * is no more pending I/O and any references to the pool are gone. Then, we | |
| 2535 * update the pool state and sync all the labels to disk, removing the | |
| 2536 * configuration from the cache afterwards. | |
| 2537 */ | |
| 2538 static int | |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2539 spa_export_common(char *pool, int new_state, nvlist_t **oldconfig, |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2540 boolean_t force) |
| 789 | 2541 { |
| 2542 spa_t *spa; | |
| 2543 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2544 if (oldconfig) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2545 *oldconfig = NULL; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2546 |
| 789 | 2547 if (!(spa_mode & FWRITE)) |
| 2548 return (EROFS); | |
| 2549 | |
| 2550 mutex_enter(&spa_namespace_lock); | |
| 2551 if ((spa = spa_lookup(pool)) == NULL) { | |
| 2552 mutex_exit(&spa_namespace_lock); | |
| 2553 return (ENOENT); | |
| 2554 } | |
| 2555 | |
| 2556 /* | |
| 1544 | 2557 * Put a hold on the pool, drop the namespace lock, stop async tasks, |
| 2558 * reacquire the namespace lock, and see if we can export. | |
| 2559 */ | |
| 2560 spa_open_ref(spa, FTAG); | |
| 2561 mutex_exit(&spa_namespace_lock); | |
| 2562 spa_async_suspend(spa); | |
| 2563 mutex_enter(&spa_namespace_lock); | |
| 2564 spa_close(spa, FTAG); | |
| 2565 | |
| 2566 /* | |
| 789 | 2567 * The pool will be in core if it's openable, |
| 2568 * in which case we can modify its state. | |
| 2569 */ | |
| 2570 if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) { | |
| 2571 /* | |
| 2572 * Objsets may be open only because they're dirty, so we | |
| 2573 * have to force it to sync before checking spa_refcnt. | |
| 2574 */ | |
| 2575 txg_wait_synced(spa->spa_dsl_pool, 0); | |
| 2576 | |
| 1544 | 2577 /* |
| 2578 * A pool cannot be exported or destroyed if there are active | |
| 2579 * references. If we are resetting a pool, allow references by | |
| 2580 * fault injection handlers. | |
| 2581 */ | |
| 2582 if (!spa_refcount_zero(spa) || | |
| 2583 (spa->spa_inject_ref != 0 && | |
| 2584 new_state != POOL_STATE_UNINITIALIZED)) { | |
| 2585 spa_async_resume(spa); | |
| 789 | 2586 mutex_exit(&spa_namespace_lock); |
| 2587 return (EBUSY); | |
| 2588 } | |
| 2589 | |
| 2590 /* | |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2591 * A pool cannot be exported if it has an active shared spare. |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2592 * This is to prevent other pools stealing the active spare |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2593 * from an exported pool. At user's own will, such pool can |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2594 * be forcedly exported. |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2595 */ |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2596 if (!force && new_state == POOL_STATE_EXPORTED && |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2597 spa_has_active_shared_spare(spa)) { |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2598 spa_async_resume(spa); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2599 mutex_exit(&spa_namespace_lock); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2600 return (EXDEV); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2601 } |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2602 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2603 /* |
| 789 | 2604 * We want this to be reflected on every label, |
| 2605 * so mark them all dirty. spa_unload() will do the | |
| 2606 * final sync that pushes these changes out. | |
| 2607 */ | |
| 1544 | 2608 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
|
2609 spa_config_enter(spa, RW_WRITER, FTAG); |
| 1544 | 2610 spa->spa_state = new_state; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2611 spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
| 1544 | 2612 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
|
2613 spa_config_exit(spa, FTAG); |
| 1544 | 2614 } |
| 789 | 2615 } |
| 2616 | |
| 4451 | 2617 spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
| 2618 | |
| 789 | 2619 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
| 2620 spa_unload(spa); | |
| 2621 spa_deactivate(spa); | |
| 2622 } | |
| 2623 | |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2624 if (oldconfig && spa->spa_config) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2625 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
|
2626 |
| 1544 | 2627 if (new_state != POOL_STATE_UNINITIALIZED) { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2628 spa_config_sync(spa, B_TRUE, B_TRUE); |
| 1544 | 2629 spa_remove(spa); |
| 2630 } | |
| 789 | 2631 mutex_exit(&spa_namespace_lock); |
| 2632 | |
| 2633 return (0); | |
| 2634 } | |
| 2635 | |
| 2636 /* | |
| 2637 * Destroy a storage pool. | |
| 2638 */ | |
| 2639 int | |
| 2640 spa_destroy(char *pool) | |
| 2641 { | |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2642 return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL, B_FALSE)); |
| 789 | 2643 } |
| 2644 | |
| 2645 /* | |
| 2646 * Export a storage pool. | |
| 2647 */ | |
| 2648 int | |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2649 spa_export(char *pool, nvlist_t **oldconfig, boolean_t force) |
| 789 | 2650 { |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2651 return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig, force)); |
| 789 | 2652 } |
| 2653 | |
| 2654 /* | |
| 1544 | 2655 * Similar to spa_export(), this unloads the spa_t without actually removing it |
| 2656 * from the namespace in any way. | |
| 2657 */ | |
| 2658 int | |
| 2659 spa_reset(char *pool) | |
| 2660 { | |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2661 return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL, |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2662 B_FALSE)); |
| 1544 | 2663 } |
| 2664 | |
| 2665 /* | |
| 789 | 2666 * ========================================================================== |
| 2667 * Device manipulation | |
| 2668 * ========================================================================== | |
| 2669 */ | |
| 2670 | |
| 2671 /* | |
| 4527 | 2672 * Add a device to a storage pool. |
| 789 | 2673 */ |
| 2674 int | |
| 2675 spa_vdev_add(spa_t *spa, nvlist_t *nvroot) | |
| 2676 { | |
| 2677 uint64_t txg; | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2678 int c, error; |
| 789 | 2679 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
|
2680 vdev_t *vd, *tvd; |
| 5450 | 2681 nvlist_t **spares, **l2cache; |
| 2682 uint_t nspares, nl2cache; | |
| 789 | 2683 |
| 2684 txg = spa_vdev_enter(spa); | |
| 2685 | |
| 2082 | 2686 if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
| 2687 VDEV_ALLOC_ADD)) != 0) | |
| 2688 return (spa_vdev_exit(spa, NULL, txg, error)); | |
| 2689 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2690 spa->spa_pending_vdev = vd; |
| 789 | 2691 |
| 5450 | 2692 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, |
| 2693 &nspares) != 0) | |
| 2082 | 2694 nspares = 0; |
| 2695 | |
| 5450 | 2696 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, |
| 2697 &nl2cache) != 0) | |
| 2698 nl2cache = 0; | |
| 2699 | |
| 2700 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
|
2701 spa->spa_pending_vdev = NULL; |
| 2082 | 2702 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
|
2703 } |
| 2082 | 2704 |
| 2705 if (vd->vdev_children != 0) { | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2706 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
|
2707 spa->spa_pending_vdev = NULL; |
| 2082 | 2708 return (spa_vdev_exit(spa, vd, txg, error)); |
| 2709 } | |
| 2710 } | |
| 2711 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2712 /* |
| 5450 | 2713 * We must validate the spares and l2cache devices after checking the |
| 2714 * 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
|
2715 */ |
| 5450 | 2716 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
|
2717 spa->spa_pending_vdev = NULL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2718 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
|
2719 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2720 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2721 spa->spa_pending_vdev = NULL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2722 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2723 /* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2724 * 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
|
2725 */ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2726 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
|
2727 tvd = vd->vdev_child[c]; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2728 vdev_remove_child(vd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2729 tvd->vdev_id = rvd->vdev_children; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2730 vdev_add_child(rvd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2731 vdev_config_dirty(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2732 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2733 |
| 2082 | 2734 if (nspares != 0) { |
| 5450 | 2735 spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, |
| 2736 ZPOOL_CONFIG_SPARES); | |
| 2082 | 2737 spa_load_spares(spa); |
| 5450 | 2738 spa->spa_spares.sav_sync = B_TRUE; |
| 2739 } | |
| 2740 | |
| 2741 if (nl2cache != 0) { | |
| 2742 spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, | |
| 2743 ZPOOL_CONFIG_L2CACHE); | |
| 2744 spa_load_l2cache(spa); | |
| 2745 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 789 | 2746 } |
| 2747 | |
| 2748 /* | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2749 * 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
|
2750 * 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
|
2751 * 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
|
2752 * 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
|
2753 * 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
|
2754 * 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
|
2755 * 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
|
2756 * |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2757 * 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
|
2758 * 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
|
2759 * steps will be completed the next time we load the pool. |
| 789 | 2760 */ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2761 (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
|
2762 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2763 mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2764 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
|
2765 mutex_exit(&spa_namespace_lock); |
| 789 | 2766 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2767 return (0); |
| 789 | 2768 } |
| 2769 | |
| 2770 /* | |
| 2771 * Attach a device to a mirror. The arguments are the path to any device | |
| 2772 * in the mirror, and the nvroot for the new device. If the path specifies | |
| 2773 * a device that is not mirrored, we automatically insert the mirror vdev. | |
| 2774 * | |
| 2775 * If 'replacing' is specified, the new device is intended to replace the | |
| 2776 * existing device; in this case the two devices are made into their own | |
| 4451 | 2777 * mirror using the 'replacing' vdev, which is functionally identical to |
| 789 | 2778 * the mirror vdev (it actually reuses all the same ops) but has a few |
| 2779 * extra rules: you can't attach to it after it's been created, and upon | |
| 2780 * completion of resilvering, the first disk (the one being replaced) | |
| 2781 * is automatically detached. | |
| 2782 */ | |
| 2783 int | |
| 1544 | 2784 spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
| 789 | 2785 { |
| 2786 uint64_t txg, open_txg; | |
| 2787 vdev_t *rvd = spa->spa_root_vdev; | |
| 2788 vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; | |
| 2082 | 2789 vdev_ops_t *pvops; |
|
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2790 dmu_tx_t *tx; |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2791 char *oldvdpath, *newvdpath; |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2792 int newvd_isspare; |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2793 int error; |
| 789 | 2794 |
| 2795 txg = spa_vdev_enter(spa); | |
| 2796 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2797 oldvd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 2798 |
| 2799 if (oldvd == NULL) | |
| 2800 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 2801 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2802 if (!oldvd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2803 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
|
2804 |
| 789 | 2805 pvd = oldvd->vdev_parent; |
| 2806 | |
| 2082 | 2807 if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
| 4451 | 2808 VDEV_ALLOC_ADD)) != 0) |
| 2809 return (spa_vdev_exit(spa, NULL, txg, EINVAL)); | |
| 2810 | |
| 2811 if (newrootvd->vdev_children != 1) | |
| 789 | 2812 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
| 2813 | |
| 2814 newvd = newrootvd->vdev_child[0]; | |
| 2815 | |
| 2816 if (!newvd->vdev_ops->vdev_op_leaf) | |
| 2817 return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); | |
| 2818 | |
| 2082 | 2819 if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
| 789 | 2820 return (spa_vdev_exit(spa, newrootvd, txg, error)); |
| 2821 | |
| 4527 | 2822 /* |
| 2823 * Spares can't replace logs | |
| 2824 */ | |
|
7326
a3c803100a09
6713886 hot spares of mirrored log devices should not be allowed
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
7313
diff
changeset
|
2825 if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare) |
| 4527 | 2826 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2827 | |
| 2082 | 2828 if (!replacing) { |
| 2829 /* | |
| 2830 * For attach, the only allowable parent is a mirror or the root | |
| 2831 * vdev. | |
| 2832 */ | |
| 2833 if (pvd->vdev_ops != &vdev_mirror_ops && | |
| 2834 pvd->vdev_ops != &vdev_root_ops) | |
| 2835 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 2836 | |
| 2837 pvops = &vdev_mirror_ops; | |
| 2838 } else { | |
| 2839 /* | |
| 2840 * Active hot spares can only be replaced by inactive hot | |
| 2841 * spares. | |
| 2842 */ | |
| 2843 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 2844 pvd->vdev_child[1] == oldvd && | |
| 2845 !spa_has_spare(spa, newvd->vdev_guid)) | |
| 2846 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); | |
| 2847 | |
| 2848 /* | |
| 2849 * If the source is a hot spare, and the parent isn't already a | |
| 2850 * 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
|
2851 * 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
|
2852 * 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
|
2853 * 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
|
2854 * non-spare). |
| 2082 | 2855 */ |
| 2856 if (pvd->vdev_ops == &vdev_replacing_ops) | |
| 2857 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
|
2858 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
|
2859 newvd->vdev_isspare != oldvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2860 return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2082 | 2861 else if (pvd->vdev_ops != &vdev_spare_ops && |
| 2862 newvd->vdev_isspare) | |
| 2863 pvops = &vdev_spare_ops; | |
| 2864 else | |
| 2865 pvops = &vdev_replacing_ops; | |
| 2866 } | |
| 2867 | |
|
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
|
2868 /* |
|
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
|
2869 * 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
|
2870 * 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
|
2871 */ |
|
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
|
2872 if (newvd->vdev_psize < vdev_get_rsize(oldvd)) |
| 789 | 2873 return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
| 2874 | |
| 1732 | 2875 /* |
| 2876 * The new device cannot have a higher alignment requirement | |
| 2877 * than the top-level vdev. | |
| 2878 */ | |
| 2879 if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) | |
| 789 | 2880 return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
| 2881 | |
| 2882 /* | |
| 2883 * If this is an in-place replacement, update oldvd's path and devid | |
| 2884 * to make it distinguishable from newvd, and unopenable from now on. | |
| 2885 */ | |
| 2886 if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { | |
| 2887 spa_strfree(oldvd->vdev_path); | |
| 2888 oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, | |
| 2889 KM_SLEEP); | |
| 2890 (void) sprintf(oldvd->vdev_path, "%s/%s", | |
| 2891 newvd->vdev_path, "old"); | |
| 2892 if (oldvd->vdev_devid != NULL) { | |
| 2893 spa_strfree(oldvd->vdev_devid); | |
| 2894 oldvd->vdev_devid = NULL; | |
| 2895 } | |
| 2896 } | |
| 2897 | |
| 2898 /* | |
| 2082 | 2899 * If the parent is not a mirror, or if we're replacing, insert the new |
| 2900 * mirror/replacing/spare vdev above oldvd. | |
| 789 | 2901 */ |
| 2902 if (pvd->vdev_ops != pvops) | |
| 2903 pvd = vdev_add_parent(oldvd, pvops); | |
| 2904 | |
| 2905 ASSERT(pvd->vdev_top->vdev_parent == rvd); | |
| 2906 ASSERT(pvd->vdev_ops == pvops); | |
| 2907 ASSERT(oldvd->vdev_parent == pvd); | |
| 2908 | |
| 2909 /* | |
| 2910 * Extract the new device from its root and add it to pvd. | |
| 2911 */ | |
| 2912 vdev_remove_child(newrootvd, newvd); | |
| 2913 newvd->vdev_id = pvd->vdev_children; | |
| 2914 vdev_add_child(pvd, newvd); | |
| 2915 | |
| 1544 | 2916 /* |
| 2917 * If newvd is smaller than oldvd, but larger than its rsize, | |
| 2918 * the addition of newvd may have decreased our parent's asize. | |
| 2919 */ | |
| 2920 pvd->vdev_asize = MIN(pvd->vdev_asize, newvd->vdev_asize); | |
| 2921 | |
| 789 | 2922 tvd = newvd->vdev_top; |
| 2923 ASSERT(pvd->vdev_top == tvd); | |
| 2924 ASSERT(tvd->vdev_parent == rvd); | |
| 2925 | |
| 2926 vdev_config_dirty(tvd); | |
| 2927 | |
| 2928 /* | |
| 2929 * Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate | |
| 2930 * upward when spa_vdev_exit() calls vdev_dtl_reassess(). | |
| 2931 */ | |
| 2932 open_txg = txg + TXG_CONCURRENT_STATES - 1; | |
| 2933 | |
| 2934 mutex_enter(&newvd->vdev_dtl_lock); | |
| 2935 space_map_add(&newvd->vdev_dtl_map, TXG_INITIAL, | |
| 2936 open_txg - TXG_INITIAL + 1); | |
| 2937 mutex_exit(&newvd->vdev_dtl_lock); | |
| 2938 | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2939 if (newvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2940 spa_spare_activate(newvd); |
|
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2941 oldvdpath = spa_strdup(vdev_description(oldvd)); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2942 newvdpath = spa_strdup(vdev_description(newvd)); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2943 newvd_isspare = newvd->vdev_isspare; |
| 1544 | 2944 |
| 789 | 2945 /* |
| 2946 * Mark newvd's DTL dirty in this txg. | |
| 2947 */ | |
| 1732 | 2948 vdev_dirty(tvd, VDD_DTL, newvd, txg); |
| 789 | 2949 |
| 2950 (void) spa_vdev_exit(spa, newrootvd, open_txg, 0); | |
| 2951 | |
|
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2952 tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2953 if (dmu_tx_assign(tx, TXG_WAIT) == 0) { |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2954 spa_history_internal_log(LOG_POOL_VDEV_ATTACH, spa, tx, |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2955 CRED(), "%s vdev=%s %s vdev=%s", |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2956 replacing && newvd_isspare ? "spare in" : |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2957 replacing ? "replace" : "attach", newvdpath, |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2958 replacing ? "for" : "to", oldvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2959 dmu_tx_commit(tx); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2960 } else { |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2961 dmu_tx_abort(tx); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2962 } |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2963 |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2964 spa_strfree(oldvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2965 spa_strfree(newvdpath); |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2966 |
| 789 | 2967 /* |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2968 * Kick off a resilver to update newvd. |
| 789 | 2969 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2970 VERIFY3U(spa_scrub(spa, POOL_SCRUB_RESILVER), ==, 0); |
| 789 | 2971 |
| 2972 return (0); | |
| 2973 } | |
| 2974 | |
| 2975 /* | |
| 2976 * Detach a device from a mirror or replacing vdev. | |
| 2977 * If 'replace_done' is specified, only detach if the parent | |
| 2978 * is a replacing vdev. | |
| 2979 */ | |
| 2980 int | |
| 1544 | 2981 spa_vdev_detach(spa_t *spa, uint64_t guid, int replace_done) |
| 789 | 2982 { |
| 2983 uint64_t txg; | |
| 2984 int c, t, error; | |
| 2985 vdev_t *rvd = spa->spa_root_vdev; | |
| 2986 vdev_t *vd, *pvd, *cvd, *tvd; | |
| 2082 | 2987 boolean_t unspare = B_FALSE; |
| 2988 uint64_t unspare_guid; | |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2989 size_t len; |
| 789 | 2990 |
| 2991 txg = spa_vdev_enter(spa); | |
| 2992 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2993 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 789 | 2994 |
| 2995 if (vd == NULL) | |
| 2996 return (spa_vdev_exit(spa, NULL, txg, ENODEV)); | |
| 2997 | |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2998 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2999 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
|
3000 |
| 789 | 3001 pvd = vd->vdev_parent; |
| 3002 | |
| 3003 /* | |
| 3004 * If replace_done is specified, only remove this device if it's | |
| 2082 | 3005 * the first child of a replacing vdev. For the 'spare' vdev, either |
| 3006 * disk can be removed. | |
| 789 | 3007 */ |
| 2082 | 3008 if (replace_done) { |
| 3009 if (pvd->vdev_ops == &vdev_replacing_ops) { | |
| 3010 if (vd->vdev_id != 0) | |
| 3011 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3012 } else if (pvd->vdev_ops != &vdev_spare_ops) { | |
| 3013 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); | |
| 3014 } | |
| 3015 } | |
| 3016 | |
| 3017 ASSERT(pvd->vdev_ops != &vdev_spare_ops || | |
| 4577 | 3018 spa_version(spa) >= SPA_VERSION_SPARES); |
| 789 | 3019 |
| 3020 /* | |
| 2082 | 3021 * Only mirror, replacing, and spare vdevs support detach. |
| 789 | 3022 */ |
| 3023 if (pvd->vdev_ops != &vdev_replacing_ops && | |
| 2082 | 3024 pvd->vdev_ops != &vdev_mirror_ops && |
| 3025 pvd->vdev_ops != &vdev_spare_ops) | |
| 789 | 3026 return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
| 3027 | |
| 3028 /* | |
| 3029 * If there's only one replica, you can't detach it. | |
| 3030 */ | |
| 3031 if (pvd->vdev_children <= 1) | |
| 3032 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); | |
| 3033 | |
| 3034 /* | |
| 3035 * If all siblings have non-empty DTLs, this device may have the only | |
| 3036 * valid copy of the data, which means we cannot safely detach it. | |
| 3037 * | |
| 3038 * XXX -- as in the vdev_offline() case, we really want a more | |
| 3039 * precise DTL check. | |
| 3040 */ | |
| 3041 for (c = 0; c < pvd->vdev_children; c++) { | |
| 3042 uint64_t dirty; | |
| 3043 | |
| 3044 cvd = pvd->vdev_child[c]; | |
| 3045 if (cvd == vd) | |
| 3046 continue; | |
| 3047 if (vdev_is_dead(cvd)) | |
| 3048 continue; | |
| 3049 mutex_enter(&cvd->vdev_dtl_lock); | |
| 3050 dirty = cvd->vdev_dtl_map.sm_space | | |
| 3051 cvd->vdev_dtl_scrub.sm_space; | |
| 3052 mutex_exit(&cvd->vdev_dtl_lock); | |
| 3053 if (!dirty) | |
| 3054 break; | |
| 3055 } | |
| 2082 | 3056 |
| 3057 /* | |
| 3058 * If we are a replacing or spare vdev, then we can always detach the | |
| 3059 * latter child, as that is how one cancels the operation. | |
| 3060 */ | |
| 3061 if ((pvd->vdev_ops == &vdev_mirror_ops || vd->vdev_id != 1) && | |
| 3062 c == pvd->vdev_children) | |
| 789 | 3063 return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
| 3064 | |
| 3065 /* | |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3066 * If we are detaching the second disk from a replacing vdev, then |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3067 * check to see if we changed the original vdev's path to have "/old" |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3068 * at the end in spa_vdev_attach(). If so, undo that change now. |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3069 */ |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3070 if (pvd->vdev_ops == &vdev_replacing_ops && vd->vdev_id == 1 && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3071 pvd->vdev_child[0]->vdev_path != NULL && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3072 pvd->vdev_child[1]->vdev_path != NULL) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3073 ASSERT(pvd->vdev_child[1] == vd); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3074 cvd = pvd->vdev_child[0]; |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3075 len = strlen(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3076 if (strncmp(cvd->vdev_path, vd->vdev_path, len) == 0 && |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3077 strcmp(cvd->vdev_path + len, "/old") == 0) { |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3078 spa_strfree(cvd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3079 cvd->vdev_path = spa_strdup(vd->vdev_path); |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3080 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3081 } |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3082 |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3083 /* |
| 2082 | 3084 * If we are detaching the original disk from a spare, then it implies |
| 3085 * that the spare should become a real disk, and be removed from the | |
| 3086 * active spare list for the pool. | |
| 3087 */ | |
| 3088 if (pvd->vdev_ops == &vdev_spare_ops && | |
| 3089 vd->vdev_id == 0) | |
| 3090 unspare = B_TRUE; | |
| 3091 | |
| 3092 /* | |
| 789 | 3093 * Erase the disk labels so the disk can be used for other things. |
| 3094 * This must be done after all other error cases are handled, | |
| 3095 * but before we disembowel vd (so we can still do I/O to it). | |
| 3096 * But if we can't do it, don't treat the error as fatal -- | |
| 3097 * it may be that the unwritability of the disk is the reason | |
| 3098 * it's being detached! | |
| 3099 */ | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3100 error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
| 789 | 3101 |
| 3102 /* | |
| 3103 * Remove vd from its parent and compact the parent's children. | |
| 3104 */ | |
| 3105 vdev_remove_child(pvd, vd); | |
| 3106 vdev_compact_children(pvd); | |
| 3107 | |
| 3108 /* | |
| 3109 * Remember one of the remaining children so we can get tvd below. | |
| 3110 */ | |
| 3111 cvd = pvd->vdev_child[0]; | |
| 3112 | |
| 3113 /* | |
| 2082 | 3114 * If we need to remove the remaining child from the list of hot spares, |
| 3115 * do it now, marking the vdev as no longer a spare in the process. We | |
| 3116 * must do this before vdev_remove_parent(), because that can change the | |
| 3117 * GUID if it creates a new toplevel GUID. | |
| 3118 */ | |
| 3119 if (unspare) { | |
| 3120 ASSERT(cvd->vdev_isspare); | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3121 spa_spare_remove(cvd); |
| 2082 | 3122 unspare_guid = cvd->vdev_guid; |
| 3123 } | |
| 3124 | |
| 3125 /* | |
| 789 | 3126 * If the parent mirror/replacing vdev only has one child, |
| 3127 * the parent is no longer needed. Remove it from the tree. | |
| 3128 */ | |
| 3129 if (pvd->vdev_children == 1) | |
| 3130 vdev_remove_parent(cvd); | |
| 3131 | |
| 3132 /* | |
| 3133 * We don't set tvd until now because the parent we just removed | |
| 3134 * may have been the previous top-level vdev. | |
| 3135 */ | |
| 3136 tvd = cvd->vdev_top; | |
| 3137 ASSERT(tvd->vdev_parent == rvd); | |
| 3138 | |
| 3139 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3140 * Reevaluate the parent vdev state. |
| 789 | 3141 */ |
| 4451 | 3142 vdev_propagate_state(cvd); |
| 789 | 3143 |
| 3144 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3145 * 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
|
3146 * 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
|
3147 * 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
|
3148 * there's nothing to read from disk. |
| 789 | 3149 */ |
| 1732 | 3150 VERIFY(vdev_metaslab_init(tvd, txg) == 0); |
| 789 | 3151 |
| 3152 vdev_config_dirty(tvd); | |
| 3153 | |
| 3154 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3155 * 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
|
3156 * 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
|
3157 * 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
|
3158 * prevent vd from being accessed after it's freed. |
| 789 | 3159 */ |
| 3160 for (t = 0; t < TXG_SIZE; t++) | |
| 3161 (void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); | |
| 1732 | 3162 vd->vdev_detached = B_TRUE; |
| 3163 vdev_dirty(tvd, VDD_DTL, vd, txg); | |
| 789 | 3164 |
| 4451 | 3165 spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
| 3166 | |
| 2082 | 3167 error = spa_vdev_exit(spa, vd, txg, 0); |
| 3168 | |
| 3169 /* | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3170 * 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
|
3171 * 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
|
3172 * list of every other pool. |
| 2082 | 3173 */ |
| 3174 if (unspare) { | |
| 3175 spa = NULL; | |
| 3176 mutex_enter(&spa_namespace_lock); | |
| 3177 while ((spa = spa_next(spa)) != NULL) { | |
| 3178 if (spa->spa_state != POOL_STATE_ACTIVE) | |
| 3179 continue; | |
| 3180 | |
| 3181 (void) spa_vdev_remove(spa, unspare_guid, B_TRUE); | |
| 3182 } | |
| 3183 mutex_exit(&spa_namespace_lock); | |
| 3184 } | |
| 3185 | |
| 3186 return (error); | |
| 3187 } | |
| 3188 | |
| 3189 /* | |
| 5450 | 3190 * Remove a spares vdev from the nvlist config. |
| 2082 | 3191 */ |
| 5450 | 3192 static int |
| 3193 spa_remove_spares(spa_aux_vdev_t *sav, uint64_t guid, boolean_t unspare, | |
| 3194 nvlist_t **spares, int nspares, vdev_t *vd) | |
| 2082 | 3195 { |
| 5450 | 3196 nvlist_t *nv, **newspares; |
| 3197 int i, j; | |
| 2082 | 3198 |
| 3199 nv = NULL; | |
| 5450 | 3200 for (i = 0; i < nspares; i++) { |
| 3201 uint64_t theguid; | |
| 3202 | |
| 3203 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 3204 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 3205 if (theguid == guid) { | |
| 3206 nv = spares[i]; | |
| 3207 break; | |
| 2082 | 3208 } |
| 3209 } | |
| 3210 | |
| 3211 /* | |
| 5450 | 3212 * Only remove the hot spare if it's not currently in use in this pool. |
| 2082 | 3213 */ |
| 5450 | 3214 if (nv == NULL && vd == NULL) |
| 3215 return (ENOENT); | |
| 3216 | |
| 3217 if (nv == NULL && vd != NULL) | |
| 3218 return (ENOTSUP); | |
| 3219 | |
| 3220 if (!unspare && nv != NULL && vd != NULL) | |
| 3221 return (EBUSY); | |
| 2082 | 3222 |
| 3223 if (nspares == 1) { | |
| 3224 newspares = NULL; | |
| 3225 } else { | |
| 3226 newspares = kmem_alloc((nspares - 1) * sizeof (void *), | |
| 3227 KM_SLEEP); | |
| 3228 for (i = 0, j = 0; i < nspares; i++) { | |
| 3229 if (spares[i] != nv) | |
| 3230 VERIFY(nvlist_dup(spares[i], | |
| 3231 &newspares[j++], KM_SLEEP) == 0); | |
| 3232 } | |
| 3233 } | |
| 3234 | |
| 5450 | 3235 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_SPARES, |
| 2082 | 3236 DATA_TYPE_NVLIST_ARRAY) == 0); |
| 5450 | 3237 VERIFY(nvlist_add_nvlist_array(sav->sav_config, |
| 3238 ZPOOL_CONFIG_SPARES, newspares, nspares - 1) == 0); | |
| 2082 | 3239 for (i = 0; i < nspares - 1; i++) |
| 3240 nvlist_free(newspares[i]); | |
| 3241 kmem_free(newspares, (nspares - 1) * sizeof (void *)); | |
| 5450 | 3242 |
| 3243 return (0); | |
| 3244 } | |
| 3245 | |
| 3246 /* | |
| 3247 * Remove an l2cache vdev from the nvlist config. | |
| 3248 */ | |
| 3249 static int | |
| 3250 spa_remove_l2cache(spa_aux_vdev_t *sav, uint64_t guid, nvlist_t **l2cache, | |
| 3251 int nl2cache, vdev_t *vd) | |
| 3252 { | |
| 3253 nvlist_t *nv, **newl2cache; | |
| 3254 int i, j; | |
| 3255 | |
| 3256 nv = NULL; | |
| 3257 for (i = 0; i < nl2cache; i++) { | |
| 3258 uint64_t theguid; | |
| 3259 | |
| 3260 VERIFY(nvlist_lookup_uint64(l2cache[i], | |
| 3261 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 3262 if (theguid == guid) { | |
| 3263 nv = l2cache[i]; | |
| 3264 break; | |
| 3265 } | |
| 3266 } | |
| 3267 | |
| 3268 if (vd == NULL) { | |
| 3269 for (i = 0; i < nl2cache; i++) { | |
| 3270 if (sav->sav_vdevs[i]->vdev_guid == guid) { | |
| 3271 vd = sav->sav_vdevs[i]; | |
| 3272 break; | |
| 3273 } | |
| 3274 } | |
| 3275 } | |
| 3276 | |
| 3277 if (nv == NULL && vd == NULL) | |
| 3278 return (ENOENT); | |
| 3279 | |
| 3280 if (nv == NULL && vd != NULL) | |
| 3281 return (ENOTSUP); | |
| 3282 | |
| 3283 if (nl2cache == 1) { | |
| 3284 newl2cache = NULL; | |
| 3285 } else { | |
| 3286 newl2cache = kmem_alloc((nl2cache - 1) * sizeof (void *), | |
| 3287 KM_SLEEP); | |
| 3288 for (i = 0, j = 0; i < nl2cache; i++) { | |
| 3289 if (l2cache[i] != nv) | |
| 3290 VERIFY(nvlist_dup(l2cache[i], | |
| 3291 &newl2cache[j++], KM_SLEEP) == 0); | |
| 3292 } | |
| 3293 } | |
| 3294 | |
| 3295 VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, | |
| 3296 DATA_TYPE_NVLIST_ARRAY) == 0); | |
| 3297 VERIFY(nvlist_add_nvlist_array(sav->sav_config, | |
| 3298 ZPOOL_CONFIG_L2CACHE, newl2cache, nl2cache - 1) == 0); | |
| 3299 for (i = 0; i < nl2cache - 1; i++) | |
| 3300 nvlist_free(newl2cache[i]); | |
| 3301 kmem_free(newl2cache, (nl2cache - 1) * sizeof (void *)); | |
| 3302 | |
| 3303 return (0); | |
| 3304 } | |
| 3305 | |
| 3306 /* | |
| 3307 * Remove a device from the pool. Currently, this supports removing only hot | |
| 3308 * spares and level 2 ARC devices. | |
| 3309 */ | |
| 3310 int | |
| 3311 spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) | |
| 3312 { | |
| 3313 vdev_t *vd; | |
| 3314 nvlist_t **spares, **l2cache; | |
| 3315 uint_t nspares, nl2cache; | |
| 3316 int error = 0; | |
| 3317 | |
| 3318 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 3319 | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3320 vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
| 5450 | 3321 |
| 3322 if (spa->spa_spares.sav_vdevs != NULL && | |
| 3323 nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, | |
| 3324 ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { | |
| 3325 if ((error = spa_remove_spares(&spa->spa_spares, guid, unspare, | |
| 3326 spares, nspares, vd)) != 0) | |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3327 goto cache; |
| 5450 | 3328 spa_load_spares(spa); |
| 3329 spa->spa_spares.sav_sync = B_TRUE; | |
| 3330 goto out; | |
| 3331 } | |
| 3332 | |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3333 cache: |
| 5450 | 3334 if (spa->spa_l2cache.sav_vdevs != NULL && |
| 3335 nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, | |
| 3336 ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0) { | |
| 3337 if ((error = spa_remove_l2cache(&spa->spa_l2cache, guid, | |
| 3338 l2cache, nl2cache, vd)) != 0) | |
| 3339 goto out; | |
| 3340 spa_load_l2cache(spa); | |
| 3341 spa->spa_l2cache.sav_sync = B_TRUE; | |
| 3342 } | |
| 2082 | 3343 |
| 3344 out: | |
| 3345 spa_config_exit(spa, FTAG); | |
| 5450 | 3346 return (error); |
| 789 | 3347 } |
| 3348 | |
| 3349 /* | |
| 4451 | 3350 * Find any device that's done replacing, or a vdev marked 'unspare' that's |
| 3351 * current spared, so we can detach it. | |
| 789 | 3352 */ |
| 1544 | 3353 static vdev_t * |
| 4451 | 3354 spa_vdev_resilver_done_hunt(vdev_t *vd) |
| 789 | 3355 { |
| 1544 | 3356 vdev_t *newvd, *oldvd; |
| 789 | 3357 int c; |
| 3358 | |
| 1544 | 3359 for (c = 0; c < vd->vdev_children; c++) { |
| 4451 | 3360 oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
| 1544 | 3361 if (oldvd != NULL) |
| 3362 return (oldvd); | |
| 3363 } | |
| 789 | 3364 |
| 4451 | 3365 /* |
| 3366 * Check for a completed replacement. | |
| 3367 */ | |
| 789 | 3368 if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) { |
| 1544 | 3369 oldvd = vd->vdev_child[0]; |
| 3370 newvd = vd->vdev_child[1]; | |
| 789 | 3371 |
| 1544 | 3372 mutex_enter(&newvd->vdev_dtl_lock); |
| 3373 if (newvd->vdev_dtl_map.sm_space == 0 && | |
| 3374 newvd->vdev_dtl_scrub.sm_space == 0) { | |
| 3375 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3376 return (oldvd); | |
| 3377 } | |
| 3378 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3379 } | |
| 789 | 3380 |
| 4451 | 3381 /* |
| 3382 * Check for a completed resilver with the 'unspare' flag set. | |
| 3383 */ | |
| 3384 if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) { | |
| 3385 newvd = vd->vdev_child[0]; | |
| 3386 oldvd = vd->vdev_child[1]; | |
| 3387 | |
| 3388 mutex_enter(&newvd->vdev_dtl_lock); | |
| 3389 if (newvd->vdev_unspare && | |
| 3390 newvd->vdev_dtl_map.sm_space == 0 && | |
| 3391 newvd->vdev_dtl_scrub.sm_space == 0) { | |
| 3392 newvd->vdev_unspare = 0; | |
| 3393 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3394 return (oldvd); | |
| 3395 } | |
| 3396 mutex_exit(&newvd->vdev_dtl_lock); | |
| 3397 } | |
| 3398 | |
| 1544 | 3399 return (NULL); |
| 789 | 3400 } |
| 3401 | |
| 1544 | 3402 static void |
| 4451 | 3403 spa_vdev_resilver_done(spa_t *spa) |
| 789 | 3404 { |
| 1544 | 3405 vdev_t *vd; |
| 2082 | 3406 vdev_t *pvd; |
| 1544 | 3407 uint64_t guid; |
| 2082 | 3408 uint64_t pguid = 0; |
| 789 | 3409 |
| 1544 | 3410 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 3411 |
| 4451 | 3412 while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) { |
| 1544 | 3413 guid = vd->vdev_guid; |
| 2082 | 3414 /* |
| 3415 * If we have just finished replacing a hot spared device, then | |
| 3416 * we need to detach the parent's first child (the original hot | |
| 3417 * spare) as well. | |
| 3418 */ | |
| 3419 pvd = vd->vdev_parent; | |
| 3420 if (pvd->vdev_parent->vdev_ops == &vdev_spare_ops && | |
| 3421 pvd->vdev_id == 0) { | |
| 3422 ASSERT(pvd->vdev_ops == &vdev_replacing_ops); | |
| 3423 ASSERT(pvd->vdev_parent->vdev_children == 2); | |
| 3424 pguid = pvd->vdev_parent->vdev_child[1]->vdev_guid; | |
| 3425 } | |
| 1544 | 3426 spa_config_exit(spa, FTAG); |
| 3427 if (spa_vdev_detach(spa, guid, B_TRUE) != 0) | |
| 3428 return; | |
| 2082 | 3429 if (pguid != 0 && spa_vdev_detach(spa, pguid, B_TRUE) != 0) |
| 3430 return; | |
| 1544 | 3431 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 3432 } |
| 3433 | |
| 1544 | 3434 spa_config_exit(spa, FTAG); |
| 789 | 3435 } |
| 3436 | |
| 3437 /* | |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3438 * 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
|
3439 * on spa_vdev_enter/exit() to synchronize the labels and cache. |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3440 */ |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3441 int |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3442 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
|
3443 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3444 vdev_t *vd; |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3445 uint64_t txg; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3446 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3447 txg = spa_vdev_enter(spa); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3448 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3449 if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) { |
| 2082 | 3450 /* |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3451 * Determine if this is a reference to a hot spare device. If |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3452 * it is, update the path manually as there is no associated |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3453 * vdev_t that can be synced to disk. |
| 2082 | 3454 */ |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3455 nvlist_t **spares; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3456 uint_t i, nspares; |
| 5450 | 3457 |
| 3458 if (spa->spa_spares.sav_config != NULL) { | |
| 3459 VERIFY(nvlist_lookup_nvlist_array( | |
| 3460 spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, | |
| 3461 &spares, &nspares) == 0); | |
| 2082 | 3462 for (i = 0; i < nspares; i++) { |
| 3463 uint64_t theguid; | |
| 3464 VERIFY(nvlist_lookup_uint64(spares[i], | |
| 3465 ZPOOL_CONFIG_GUID, &theguid) == 0); | |
| 5450 | 3466 if (theguid == guid) { |
| 3467 VERIFY(nvlist_add_string(spares[i], | |
| 3468 ZPOOL_CONFIG_PATH, newpath) == 0); | |
| 3469 spa_load_spares(spa); | |
| 3470 spa->spa_spares.sav_sync = B_TRUE; | |
| 3471 return (spa_vdev_exit(spa, NULL, txg, | |
| 3472 0)); | |
| 3473 } | |
| 2082 | 3474 } |
| 3475 } | |
| 5450 | 3476 |
| 3477 return (spa_vdev_exit(spa, NULL, txg, ENOENT)); | |
| 2082 | 3478 } |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3479 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3480 if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3481 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
|
3482 |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3483 spa_strfree(vd->vdev_path); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3484 vd->vdev_path = spa_strdup(newpath); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3485 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3486 vdev_config_dirty(vd->vdev_top); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3487 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3488 return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3489 } |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3490 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3491 /* |
| 789 | 3492 * ========================================================================== |
| 3493 * SPA Scrubbing | |
| 3494 * ========================================================================== | |
| 3495 */ | |
| 3496 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3497 int |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3498 spa_scrub(spa_t *spa, pool_scrub_type_t type) |
| 789 | 3499 { |
| 4808 | 3500 ASSERT(!spa_config_held(spa, RW_WRITER)); |
| 3501 | |
| 789 | 3502 if ((uint_t)type >= POOL_SCRUB_TYPES) |
| 3503 return (ENOTSUP); | |
| 3504 | |
| 3505 /* | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3506 * If a resilver was requested, but there is no DTL on a |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3507 * writeable leaf device, we have nothing to do. |
| 789 | 3508 */ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3509 if (type == POOL_SCRUB_RESILVER && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3510 !vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL)) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3511 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 1544 | 3512 return (0); |
| 3513 } | |
| 789 | 3514 |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3515 if (type == POOL_SCRUB_EVERYTHING && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3516 spa->spa_dsl_pool->dp_scrub_func != SCRUB_FUNC_NONE && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3517 spa->spa_dsl_pool->dp_scrub_isresilver) |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3518 return (EBUSY); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3519 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3520 if (type == POOL_SCRUB_EVERYTHING || type == POOL_SCRUB_RESILVER) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3521 return (dsl_pool_scrub_clean(spa->spa_dsl_pool)); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3522 } else if (type == POOL_SCRUB_NONE) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3523 return (dsl_pool_scrub_cancel(spa->spa_dsl_pool)); |
| 1544 | 3524 } else { |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3525 return (EINVAL); |
| 1544 | 3526 } |
| 789 | 3527 } |
| 3528 | |
| 1544 | 3529 /* |
| 3530 * ========================================================================== | |
| 3531 * SPA async task processing | |
| 3532 * ========================================================================== | |
| 3533 */ | |
| 3534 | |
| 3535 static void | |
| 4451 | 3536 spa_async_remove(spa_t *spa, vdev_t *vd) |
| 789 | 3537 { |
| 1544 | 3538 int c; |
| 3539 | |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3540 if (vd->vdev_remove_wanted) { |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3541 vd->vdev_remove_wanted = 0; |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3542 vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE); |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3543 vdev_clear(spa, vd, B_TRUE); |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3544 vdev_config_dirty(vd->vdev_top); |
| 1544 | 3545 } |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3546 |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3547 for (c = 0; c < vd->vdev_children; c++) |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3548 spa_async_remove(spa, vd->vdev_child[c]); |
| 1544 | 3549 } |
| 3550 | |
| 3551 static void | |
| 3552 spa_async_thread(spa_t *spa) | |
| 3553 { | |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3554 int tasks, i; |
| 4451 | 3555 uint64_t txg; |
| 1544 | 3556 |
| 3557 ASSERT(spa->spa_sync_on); | |
| 789 | 3558 |
| 1544 | 3559 mutex_enter(&spa->spa_async_lock); |
| 3560 tasks = spa->spa_async_tasks; | |
| 3561 spa->spa_async_tasks = 0; | |
| 3562 mutex_exit(&spa->spa_async_lock); | |
| 3563 | |
| 3564 /* | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3565 * 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
|
3566 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3567 if (tasks & SPA_ASYNC_CONFIG_UPDATE) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3568 mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3569 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
|
3570 mutex_exit(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3571 } |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3572 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3573 /* |
| 4451 | 3574 * See if any devices need to be marked REMOVED. |
| 5329 | 3575 * |
| 3576 * XXX - We avoid doing this when we are in | |
| 3577 * I/O failure state since spa_vdev_enter() grabs | |
| 3578 * the namespace lock and would not be able to obtain | |
| 3579 * the writer config lock. | |
| 1544 | 3580 */ |
| 5329 | 3581 if (tasks & SPA_ASYNC_REMOVE && |
| 3582 spa_state(spa) != POOL_STATE_IO_FAILURE) { | |
| 4451 | 3583 txg = spa_vdev_enter(spa); |
| 3584 spa_async_remove(spa, spa->spa_root_vdev); | |
|
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3585 for (i = 0; i < spa->spa_l2cache.sav_count; i++) |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3586 spa_async_remove(spa, spa->spa_l2cache.sav_vdevs[i]); |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3587 for (i = 0; i < spa->spa_spares.sav_count; i++) |
|
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3588 spa_async_remove(spa, spa->spa_spares.sav_vdevs[i]); |
| 4451 | 3589 (void) spa_vdev_exit(spa, NULL, txg, 0); |
| 3590 } | |
| 1544 | 3591 |
| 3592 /* | |
| 3593 * If any devices are done replacing, detach them. | |
| 3594 */ | |
| 4451 | 3595 if (tasks & SPA_ASYNC_RESILVER_DONE) |
| 3596 spa_vdev_resilver_done(spa); | |
| 789 | 3597 |
| 1544 | 3598 /* |
| 3599 * Kick off a resilver. | |
| 3600 */ | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3601 if (tasks & SPA_ASYNC_RESILVER) |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3602 VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER) == 0); |
| 1544 | 3603 |
| 3604 /* | |
| 3605 * Let the world know that we're done. | |
| 3606 */ | |
| 3607 mutex_enter(&spa->spa_async_lock); | |
| 3608 spa->spa_async_thread = NULL; | |
| 3609 cv_broadcast(&spa->spa_async_cv); | |
| 3610 mutex_exit(&spa->spa_async_lock); | |
| 3611 thread_exit(); | |
| 3612 } | |
| 3613 | |
| 3614 void | |
| 3615 spa_async_suspend(spa_t *spa) | |
| 3616 { | |
| 3617 mutex_enter(&spa->spa_async_lock); | |
| 3618 spa->spa_async_suspended++; | |
| 3619 while (spa->spa_async_thread != NULL) | |
| 3620 cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); | |
| 3621 mutex_exit(&spa->spa_async_lock); | |
| 3622 } | |
| 3623 | |
| 3624 void | |
| 3625 spa_async_resume(spa_t *spa) | |
| 3626 { | |
| 3627 mutex_enter(&spa->spa_async_lock); | |
| 3628 ASSERT(spa->spa_async_suspended != 0); | |
| 3629 spa->spa_async_suspended--; | |
| 3630 mutex_exit(&spa->spa_async_lock); | |
| 3631 } | |
| 3632 | |
| 3633 static void | |
| 3634 spa_async_dispatch(spa_t *spa) | |
| 3635 { | |
| 3636 mutex_enter(&spa->spa_async_lock); | |
| 3637 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
|
3638 spa->spa_async_thread == NULL && |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3639 rootdir != NULL && !vn_is_readonly(rootdir)) |
| 1544 | 3640 spa->spa_async_thread = thread_create(NULL, 0, |
| 3641 spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); | |
| 3642 mutex_exit(&spa->spa_async_lock); | |
| 3643 } | |
| 3644 | |
| 3645 void | |
| 3646 spa_async_request(spa_t *spa, int task) | |
| 3647 { | |
| 3648 mutex_enter(&spa->spa_async_lock); | |
| 3649 spa->spa_async_tasks |= task; | |
| 3650 mutex_exit(&spa->spa_async_lock); | |
| 789 | 3651 } |
| 3652 | |
| 3653 /* | |
| 3654 * ========================================================================== | |
| 3655 * SPA syncing routines | |
| 3656 * ========================================================================== | |
| 3657 */ | |
| 3658 | |
| 3659 static void | |
| 3660 spa_sync_deferred_frees(spa_t *spa, uint64_t txg) | |
| 3661 { | |
| 3662 bplist_t *bpl = &spa->spa_sync_bplist; | |
| 3663 dmu_tx_t *tx; | |
| 3664 blkptr_t blk; | |
| 3665 uint64_t itor = 0; | |
| 3666 zio_t *zio; | |
| 3667 int error; | |
| 3668 uint8_t c = 1; | |
| 3669 | |
| 3670 zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CONFIG_HELD); | |
| 3671 | |
| 3672 while (bplist_iterate(bpl, &itor, &blk) == 0) | |
| 3673 zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL)); | |
| 3674 | |
| 3675 error = zio_wait(zio); | |
| 3676 ASSERT3U(error, ==, 0); | |
| 3677 | |
| 3678 tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); | |
| 3679 bplist_vacate(bpl, tx); | |
| 3680 | |
| 3681 /* | |
| 3682 * Pre-dirty the first block so we sync to convergence faster. | |
| 3683 * (Usually only the first block is needed.) | |
| 3684 */ | |
| 3685 dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); | |
| 3686 dmu_tx_commit(tx); | |
| 3687 } | |
| 3688 | |
| 3689 static void | |
| 2082 | 3690 spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
| 3691 { | |
| 3692 char *packed = NULL; | |
| 3693 size_t nvsize = 0; | |
| 3694 dmu_buf_t *db; | |
| 3695 | |
| 3696 VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); | |
| 3697 | |
| 3698 packed = kmem_alloc(nvsize, KM_SLEEP); | |
| 3699 | |
| 3700 VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, | |
| 3701 KM_SLEEP) == 0); | |
| 3702 | |
| 3703 dmu_write(spa->spa_meta_objset, obj, 0, nvsize, packed, tx); | |
| 3704 | |
| 3705 kmem_free(packed, nvsize); | |
| 3706 | |
| 3707 VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); | |
| 3708 dmu_buf_will_dirty(db, tx); | |
| 3709 *(uint64_t *)db->db_data = nvsize; | |
| 3710 dmu_buf_rele(db, FTAG); | |
| 3711 } | |
| 3712 | |
| 3713 static void | |
| 5450 | 3714 spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, |
| 3715 const char *config, const char *entry) | |
| 2082 | 3716 { |
| 3717 nvlist_t *nvroot; | |
| 5450 | 3718 nvlist_t **list; |
| 2082 | 3719 int i; |
| 3720 | |
| 5450 | 3721 if (!sav->sav_sync) |
| 2082 | 3722 return; |
| 3723 | |
| 3724 /* | |
| 5450 | 3725 * Update the MOS nvlist describing the list of available devices. |
| 3726 * spa_validate_aux() will have already made sure this nvlist is | |
| 4451 | 3727 * valid and the vdevs are labeled appropriately. |
| 2082 | 3728 */ |
| 5450 | 3729 if (sav->sav_object == 0) { |
| 3730 sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, | |
| 3731 DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, | |
| 3732 sizeof (uint64_t), tx); | |
| 2082 | 3733 VERIFY(zap_update(spa->spa_meta_objset, |
| 5450 | 3734 DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, |
| 3735 &sav->sav_object, tx) == 0); | |
| 2082 | 3736 } |
| 3737 | |
| 3738 VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
| 5450 | 3739 if (sav->sav_count == 0) { |
| 3740 VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); | |
| 2082 | 3741 } else { |
| 5450 | 3742 list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
| 3743 for (i = 0; i < sav->sav_count; i++) | |
| 3744 list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], | |
| 3745 B_FALSE, B_FALSE, B_TRUE); | |
| 3746 VERIFY(nvlist_add_nvlist_array(nvroot, config, list, | |
| 3747 sav->sav_count) == 0); | |
| 3748 for (i = 0; i < sav->sav_count; i++) | |
| 3749 nvlist_free(list[i]); | |
| 3750 kmem_free(list, sav->sav_count * sizeof (void *)); | |
| 2082 | 3751 } |
| 3752 | |
| 5450 | 3753 spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); |
| 2926 | 3754 nvlist_free(nvroot); |
| 2082 | 3755 |
| 5450 | 3756 sav->sav_sync = B_FALSE; |
| 2082 | 3757 } |
| 3758 | |
| 3759 static void | |
| 789 | 3760 spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
| 3761 { | |
| 3762 nvlist_t *config; | |
| 3763 | |
| 3764 if (list_is_empty(&spa->spa_dirty_list)) | |
| 3765 return; | |
| 3766 | |
| 3767 config = spa_config_generate(spa, NULL, dmu_tx_get_txg(tx), B_FALSE); | |
| 3768 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3769 if (spa->spa_config_syncing) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3770 nvlist_free(spa->spa_config_syncing); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3771 spa->spa_config_syncing = config; |
| 789 | 3772 |
| 2082 | 3773 spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
| 789 | 3774 } |
| 3775 | |
| 5094 | 3776 /* |
| 3777 * Set zpool properties. | |
| 3778 */ | |
| 3912 | 3779 static void |
| 4543 | 3780 spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
| 3912 | 3781 { |
| 3782 spa_t *spa = arg1; | |
| 5094 | 3783 objset_t *mos = spa->spa_meta_objset; |
| 3912 | 3784 nvlist_t *nvp = arg2; |
| 5094 | 3785 nvpair_t *elem; |
| 4451 | 3786 uint64_t intval; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3787 char *strval; |
| 5094 | 3788 zpool_prop_t prop; |
| 3789 const char *propname; | |
| 3790 zprop_type_t proptype; | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3791 spa_config_dirent_t *dp; |
| 5094 | 3792 |
| 3793 elem = NULL; | |
| 3794 while ((elem = nvlist_next_nvpair(nvp, elem))) { | |
| 3795 switch (prop = zpool_name_to_prop(nvpair_name(elem))) { | |
| 3796 case ZPOOL_PROP_VERSION: | |
| 3797 /* | |
| 3798 * Only set version for non-zpool-creation cases | |
| 3799 * (set/import). spa_create() needs special care | |
| 3800 * for version setting. | |
| 3801 */ | |
| 3802 if (tx->tx_txg != TXG_INITIAL) { | |
| 3803 VERIFY(nvpair_value_uint64(elem, | |
| 3804 &intval) == 0); | |
| 3805 ASSERT(intval <= SPA_VERSION); | |
| 3806 ASSERT(intval >= spa_version(spa)); | |
| 3807 spa->spa_uberblock.ub_version = intval; | |
| 3808 vdev_config_dirty(spa->spa_root_vdev); | |
| 3809 } | |
| 3810 break; | |
| 3811 | |
| 3812 case ZPOOL_PROP_ALTROOT: | |
| 3813 /* | |
| 3814 * 'altroot' is a non-persistent property. It should | |
| 3815 * have been set temporarily at creation or import time. | |
| 3816 */ | |
| 3817 ASSERT(spa->spa_root != NULL); | |
| 3818 break; | |
| 3819 | |
| 5363 | 3820 case ZPOOL_PROP_CACHEFILE: |
| 5094 | 3821 /* |
| 5363 | 3822 * 'cachefile' is a non-persistent property, but note |
| 3823 * an async request that the config cache needs to be | |
| 3824 * udpated. | |
| 5094 | 3825 */ |
| 5363 | 3826 VERIFY(nvpair_value_string(elem, &strval) == 0); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3827 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3828 dp = kmem_alloc(sizeof (spa_config_dirent_t), |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3829 KM_SLEEP); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3830 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3831 if (strval[0] == '\0') |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3832 dp->scd_path = spa_strdup(spa_config_path); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3833 else if (strcmp(strval, "none") == 0) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3834 dp->scd_path = NULL; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3835 else |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3836 dp->scd_path = spa_strdup(strval); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3837 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3838 list_insert_head(&spa->spa_config_list, dp); |
| 5363 | 3839 spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
| 4543 | 3840 break; |
| 5094 | 3841 default: |
| 3842 /* | |
| 3843 * Set pool property values in the poolprops mos object. | |
| 3844 */ | |
| 3845 mutex_enter(&spa->spa_props_lock); | |
| 3846 if (spa->spa_pool_props_object == 0) { | |
| 3847 objset_t *mos = spa->spa_meta_objset; | |
| 3848 | |
| 3849 VERIFY((spa->spa_pool_props_object = | |
| 3850 zap_create(mos, DMU_OT_POOL_PROPS, | |
| 3851 DMU_OT_NONE, 0, tx)) > 0); | |
| 3852 | |
| 3853 VERIFY(zap_update(mos, | |
| 3854 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, | |
| 3855 8, 1, &spa->spa_pool_props_object, tx) | |
| 3856 == 0); | |
| 3857 } | |
| 3858 mutex_exit(&spa->spa_props_lock); | |
| 3859 | |
| 3860 /* normalize the property name */ | |
| 3861 propname = zpool_prop_to_name(prop); | |
| 3862 proptype = zpool_prop_get_type(prop); | |
| 3863 | |
| 3864 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 3865 ASSERT(proptype == PROP_TYPE_STRING); | |
| 3866 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 3867 VERIFY(zap_update(mos, | |
| 3868 spa->spa_pool_props_object, propname, | |
| 3869 1, strlen(strval) + 1, strval, tx) == 0); | |
| 3870 | |
| 3871 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { | |
| 3872 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 3873 | |
| 3874 if (proptype == PROP_TYPE_INDEX) { | |
| 3875 const char *unused; | |
| 3876 VERIFY(zpool_prop_index_to_string( | |
| 3877 prop, intval, &unused) == 0); | |
| 3878 } | |
| 3879 VERIFY(zap_update(mos, | |
| 3880 spa->spa_pool_props_object, propname, | |
| 3881 8, 1, &intval, tx) == 0); | |
| 3882 } else { | |
| 3883 ASSERT(0); /* not allowed */ | |
| 3884 } | |
| 3885 | |
| 5329 | 3886 switch (prop) { |
| 3887 case ZPOOL_PROP_DELEGATION: | |
| 5094 | 3888 spa->spa_delegation = intval; |
| 5329 | 3889 break; |
| 3890 case ZPOOL_PROP_BOOTFS: | |
| 5094 | 3891 spa->spa_bootfs = intval; |
| 5329 | 3892 break; |
| 3893 case ZPOOL_PROP_FAILUREMODE: | |
| 3894 spa->spa_failmode = intval; | |
| 3895 break; | |
| 3896 default: | |
| 3897 break; | |
| 3898 } | |
| 3912 | 3899 } |
| 5094 | 3900 |
| 3901 /* log internal history if this is not a zpool create */ | |
| 3902 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && | |
| 3903 tx->tx_txg != TXG_INITIAL) { | |
| 3904 spa_history_internal_log(LOG_POOL_PROPSET, | |
| 3905 spa, tx, cr, "%s %lld %s", | |
| 3906 nvpair_name(elem), intval, spa->spa_name); | |
| 3907 } | |
| 3912 | 3908 } |
| 3909 } | |
| 3910 | |
| 789 | 3911 /* |
| 3912 * Sync the specified transaction group. New blocks may be dirtied as | |
| 3913 * part of the process, so we iterate until it converges. | |
| 3914 */ | |
| 3915 void | |
| 3916 spa_sync(spa_t *spa, uint64_t txg) | |
| 3917 { | |
| 3918 dsl_pool_t *dp = spa->spa_dsl_pool; | |
| 3919 objset_t *mos = spa->spa_meta_objset; | |
| 3920 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
|
3921 vdev_t *rvd = spa->spa_root_vdev; |
| 789 | 3922 vdev_t *vd; |
| 3923 dmu_tx_t *tx; | |
| 3924 int dirty_vdevs; | |
| 3925 | |
| 3926 /* | |
| 3927 * Lock out configuration changes. | |
| 3928 */ | |
| 1544 | 3929 spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 3930 |
| 3931 spa->spa_syncing_txg = txg; | |
| 3932 spa->spa_sync_pass = 0; | |
| 3933 | |
| 1544 | 3934 VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
| 789 | 3935 |
| 2082 | 3936 tx = dmu_tx_create_assigned(dp, txg); |
| 3937 | |
| 3938 /* | |
| 4577 | 3939 * If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
| 2082 | 3940 * set spa_deflate if we have no raid-z vdevs. |
| 3941 */ | |
| 4577 | 3942 if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
| 3943 spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { | |
| 2082 | 3944 int i; |
| 3945 | |
| 3946 for (i = 0; i < rvd->vdev_children; i++) { | |
| 3947 vd = rvd->vdev_child[i]; | |
| 3948 if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) | |
| 3949 break; | |
| 3950 } | |
| 3951 if (i == rvd->vdev_children) { | |
| 3952 spa->spa_deflate = TRUE; | |
| 3953 VERIFY(0 == zap_add(spa->spa_meta_objset, | |
| 3954 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, | |
| 3955 sizeof (uint64_t), 1, &spa->spa_deflate, tx)); | |
| 3956 } | |
| 3957 } | |
| 3958 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3959 if (spa->spa_ubsync.ub_version < SPA_VERSION_ORIGIN && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3960 spa->spa_uberblock.ub_version >= SPA_VERSION_ORIGIN) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3961 dsl_pool_create_origin(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3962 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3963 /* Keeping the origin open increases spa_minref */ |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3964 spa->spa_minref += 3; |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3965 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3966 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3967 if (spa->spa_ubsync.ub_version < SPA_VERSION_NEXT_CLONES && |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3968 spa->spa_uberblock.ub_version >= SPA_VERSION_NEXT_CLONES) { |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3969 dsl_pool_upgrade_clones(dp, tx); |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3970 } |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3971 |
| 789 | 3972 /* |
| 3973 * If anything has changed in this txg, push the deferred frees | |
| 3974 * from the previous txg. If not, leave them alone so that we | |
| 3975 * don't generate work on an otherwise idle system. | |
| 3976 */ | |
| 3977 if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || | |
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
3978 !txg_list_empty(&dp->dp_dirty_dirs, txg) || |
|
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
3979 !txg_list_empty(&dp->dp_sync_tasks, txg)) |
| 789 | 3980 spa_sync_deferred_frees(spa, txg); |
| 3981 | |
| 3982 /* | |
| 3983 * Iterate to convergence. | |
| 3984 */ | |
| 3985 do { | |
| 3986 spa->spa_sync_pass++; | |
| 3987 | |
| 3988 spa_sync_config_object(spa, tx); | |
| 5450 | 3989 spa_sync_aux_dev(spa, &spa->spa_spares, tx, |
| 3990 ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); | |
| 3991 spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, | |
| 3992 ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); | |
| 1544 | 3993 spa_errlog_sync(spa, txg); |
| 789 | 3994 dsl_pool_sync(dp, txg); |
| 3995 | |
| 3996 dirty_vdevs = 0; | |
| 3997 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) { | |
| 3998 vdev_sync(vd, txg); | |
| 3999 dirty_vdevs++; | |
| 4000 } | |
| 4001 | |
| 4002 bplist_sync(bpl, tx); | |
| 4003 } while (dirty_vdevs); | |
| 4004 | |
| 4005 bplist_close(bpl); | |
| 4006 | |
| 4007 dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass); | |
| 4008 | |
| 4009 /* | |
| 4010 * Rewrite the vdev configuration (which includes the uberblock) | |
| 4011 * to commit the transaction group. | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4012 * |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4013 * 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
|
4014 * 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
|
4015 * 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
|
4016 * 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
|
4017 * then sync the uberblock to all vdevs. |
| 789 | 4018 */ |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4019 if (list_is_empty(&spa->spa_dirty_list)) { |
|
6615
333cfc13ec55
6616599 vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa .c, line: 3537
gw25295
parents:
6423
diff
changeset
|
4020 vdev_t *svd[SPA_DVAS_PER_BP]; |
|
333cfc13ec55
6616599 vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa .c, line: 3537
gw25295
parents:
6423
diff
changeset
|
4021 int svdcount = 0; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4022 int children = rvd->vdev_children; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4023 int c0 = spa_get_random(children); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4024 int c; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4025 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4026 for (c = 0; c < children; c++) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4027 vd = rvd->vdev_child[(c0 + c) % children]; |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4028 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
|
4029 continue; |
|
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4030 svd[svdcount++] = vd; |
|
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4031 if (svdcount == SPA_DVAS_PER_BP) |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4032 break; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4033 } |
|
6615
333cfc13ec55
6616599 vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa .c, line: 3537
gw25295
parents:
6423
diff
changeset
|
4034 vdev_config_sync(svd, svdcount, txg); |
|
333cfc13ec55
6616599 vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa .c, line: 3537
gw25295
parents:
6423
diff
changeset
|
4035 } else { |
|
333cfc13ec55
6616599 vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa .c, line: 3537
gw25295
parents:
6423
diff
changeset
|
4036 vdev_config_sync(rvd->vdev_child, rvd->vdev_children, txg); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4037 } |
| 2082 | 4038 dmu_tx_commit(tx); |
| 4039 | |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4040 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4041 * Clear the dirty config list. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4042 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4043 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
|
4044 vdev_config_clean(vd); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4045 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4046 /* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4047 * 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
|
4048 * 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
|
4049 */ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4050 if (spa->spa_config_syncing != NULL) { |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4051 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
|
4052 spa->spa_config_txg = txg; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4053 spa->spa_config_syncing = NULL; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4054 } |
| 789 | 4055 |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4056 spa->spa_traverse_wanted = B_TRUE; |
| 789 | 4057 rw_enter(&spa->spa_traverse_lock, RW_WRITER); |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
4058 spa->spa_traverse_wanted = B_FALSE; |
| 789 | 4059 spa->spa_ubsync = spa->spa_uberblock; |
| 4060 rw_exit(&spa->spa_traverse_lock); | |
| 4061 | |
| 4062 /* | |
| 4063 * Clean up the ZIL records for the synced txg. | |
| 4064 */ | |
| 4065 dsl_pool_zil_clean(dp); | |
| 4066 | |
| 4067 /* | |
| 4068 * Update usable space statistics. | |
| 4069 */ | |
| 4070 while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) | |
| 4071 vdev_sync_done(vd, txg); | |
| 4072 | |
| 4073 /* | |
| 4074 * It had better be the case that we didn't dirty anything | |
| 2082 | 4075 * since vdev_config_sync(). |
| 789 | 4076 */ |
| 4077 ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); | |
| 4078 ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); | |
| 4079 ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); | |
| 4080 ASSERT(bpl->bpl_queue == NULL); | |
| 4081 | |
| 1544 | 4082 spa_config_exit(spa, FTAG); |
| 4083 | |
| 4084 /* | |
| 4085 * If any async tasks have been requested, kick them off. | |
| 4086 */ | |
| 4087 spa_async_dispatch(spa); | |
| 789 | 4088 } |
| 4089 | |
| 4090 /* | |
| 4091 * Sync all pools. We don't want to hold the namespace lock across these | |
| 4092 * operations, so we take a reference on the spa_t and drop the lock during the | |
| 4093 * sync. | |
| 4094 */ | |
| 4095 void | |
| 4096 spa_sync_allpools(void) | |
| 4097 { | |
| 4098 spa_t *spa = NULL; | |
| 4099 mutex_enter(&spa_namespace_lock); | |
| 4100 while ((spa = spa_next(spa)) != NULL) { | |
| 4101 if (spa_state(spa) != POOL_STATE_ACTIVE) | |
| 4102 continue; | |
| 4103 spa_open_ref(spa, FTAG); | |
| 4104 mutex_exit(&spa_namespace_lock); | |
| 4105 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 4106 mutex_enter(&spa_namespace_lock); | |
| 4107 spa_close(spa, FTAG); | |
| 4108 } | |
| 4109 mutex_exit(&spa_namespace_lock); | |
| 4110 } | |
| 4111 | |
| 4112 /* | |
| 4113 * ========================================================================== | |
| 4114 * Miscellaneous routines | |
| 4115 * ========================================================================== | |
| 4116 */ | |
| 4117 | |
| 4118 /* | |
| 4119 * Remove all pools in the system. | |
| 4120 */ | |
| 4121 void | |
| 4122 spa_evict_all(void) | |
| 4123 { | |
| 4124 spa_t *spa; | |
| 4125 | |
| 4126 /* | |
| 4127 * Remove all cached state. All pools should be closed now, | |
| 4128 * so every spa in the AVL tree should be unreferenced. | |
| 4129 */ | |
| 4130 mutex_enter(&spa_namespace_lock); | |
| 4131 while ((spa = spa_next(NULL)) != NULL) { | |
| 4132 /* | |
| 1544 | 4133 * Stop async tasks. The async thread may need to detach |
| 4134 * a device that's been replaced, which requires grabbing | |
| 4135 * spa_namespace_lock, so we must drop it here. | |
| 789 | 4136 */ |
| 4137 spa_open_ref(spa, FTAG); | |
| 4138 mutex_exit(&spa_namespace_lock); | |
| 1544 | 4139 spa_async_suspend(spa); |
| 4808 | 4140 mutex_enter(&spa_namespace_lock); |
| 789 | 4141 spa_close(spa, FTAG); |
| 4142 | |
| 4143 if (spa->spa_state != POOL_STATE_UNINITIALIZED) { | |
| 4144 spa_unload(spa); | |
| 4145 spa_deactivate(spa); | |
| 4146 } | |
| 4147 spa_remove(spa); | |
| 4148 } | |
| 4149 mutex_exit(&spa_namespace_lock); | |
| 4150 } | |
| 1544 | 4151 |
| 4152 vdev_t * | |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4153 spa_lookup_by_guid(spa_t *spa, uint64_t guid, boolean_t l2cache) |
| 1544 | 4154 { |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4155 vdev_t *vd; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4156 int i; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4157 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4158 if ((vd = vdev_lookup_by_guid(spa->spa_root_vdev, guid)) != NULL) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4159 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4160 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4161 if (l2cache) { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4162 for (i = 0; i < spa->spa_l2cache.sav_count; i++) { |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4163 vd = spa->spa_l2cache.sav_vdevs[i]; |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4164 if (vd->vdev_guid == guid) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4165 return (vd); |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4166 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4167 } |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4168 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4169 return (NULL); |
| 1544 | 4170 } |
| 1760 | 4171 |
| 4172 void | |
| 5094 | 4173 spa_upgrade(spa_t *spa, uint64_t version) |
| 1760 | 4174 { |
| 4175 spa_config_enter(spa, RW_WRITER, FTAG); | |
| 4176 | |
| 4177 /* | |
| 4178 * This should only be called for a non-faulted pool, and since a | |
| 4179 * future version would result in an unopenable pool, this shouldn't be | |
| 4180 * possible. | |
| 4181 */ | |
| 4577 | 4182 ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
| 5094 | 4183 ASSERT(version >= spa->spa_uberblock.ub_version); |
| 4184 | |
| 4185 spa->spa_uberblock.ub_version = version; | |
| 1760 | 4186 vdev_config_dirty(spa->spa_root_vdev); |
| 4187 | |
| 4188 spa_config_exit(spa, FTAG); | |
| 2082 | 4189 |
| 4190 txg_wait_synced(spa_get_dsl(spa), 0); | |
| 1760 | 4191 } |
| 2082 | 4192 |
| 4193 boolean_t | |
| 4194 spa_has_spare(spa_t *spa, uint64_t guid) | |
| 4195 { | |
| 4196 int i; | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4197 uint64_t spareguid; |
| 5450 | 4198 spa_aux_vdev_t *sav = &spa->spa_spares; |
| 4199 | |
| 4200 for (i = 0; i < sav->sav_count; i++) | |
| 4201 if (sav->sav_vdevs[i]->vdev_guid == guid) | |
| 2082 | 4202 return (B_TRUE); |
| 4203 | |
| 5450 | 4204 for (i = 0; i < sav->sav_npending; i++) { |
| 4205 if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, | |
| 4206 &spareguid) == 0 && spareguid == guid) | |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4207 return (B_TRUE); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4208 } |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4209 |
| 2082 | 4210 return (B_FALSE); |
| 4211 } | |
| 3912 | 4212 |
| 4451 | 4213 /* |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4214 * Check if a pool has an active shared spare device. |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4215 * Note: reference count of an active spare is 2, as a spare and as a replace |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4216 */ |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4217 static boolean_t |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4218 spa_has_active_shared_spare(spa_t *spa) |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4219 { |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4220 int i, refcnt; |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4221 uint64_t pool; |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4222 spa_aux_vdev_t *sav = &spa->spa_spares; |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4223 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4224 for (i = 0; i < sav->sav_count; i++) { |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4225 if (spa_spare_exists(sav->sav_vdevs[i]->vdev_guid, &pool, |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4226 &refcnt) && pool != 0ULL && pool == spa_guid(spa) && |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4227 refcnt > 2) |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4228 return (B_TRUE); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4229 } |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4230 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4231 return (B_FALSE); |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4232 } |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4233 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4234 /* |
| 4451 | 4235 * Post a sysevent corresponding to the given event. The 'name' must be one of |
| 4236 * the event definitions in sys/sysevent/eventdefs.h. The payload will be | |
| 4237 * filled in from the spa and (optionally) the vdev. This doesn't do anything | |
| 4238 * in the userland libzpool, as we don't want consumers to misinterpret ztest | |
| 4239 * or zdb as real changes. | |
| 4240 */ | |
| 4241 void | |
| 4242 spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) | |
| 4243 { | |
| 4244 #ifdef _KERNEL | |
| 4245 sysevent_t *ev; | |
| 4246 sysevent_attr_list_t *attr = NULL; | |
| 4247 sysevent_value_t value; | |
| 4248 sysevent_id_t eid; | |
| 4249 | |
| 4250 ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", | |
| 4251 SE_SLEEP); | |
| 4252 | |
| 4253 value.value_type = SE_DATA_TYPE_STRING; | |
| 4254 value.value.sv_string = spa_name(spa); | |
| 4255 if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) | |
| 4256 goto done; | |
| 4257 | |
| 4258 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4259 value.value.sv_uint64 = spa_guid(spa); | |
| 4260 if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) | |
| 4261 goto done; | |
| 4262 | |
| 4263 if (vd) { | |
| 4264 value.value_type = SE_DATA_TYPE_UINT64; | |
| 4265 value.value.sv_uint64 = vd->vdev_guid; | |
| 4266 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, | |
| 4267 SE_SLEEP) != 0) | |
| 4268 goto done; | |
| 4269 | |
| 4270 if (vd->vdev_path) { | |
| 4271 value.value_type = SE_DATA_TYPE_STRING; | |
| 4272 value.value.sv_string = vd->vdev_path; | |
| 4273 if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, | |
| 4274 &value, SE_SLEEP) != 0) | |
| 4275 goto done; | |
| 4276 } | |
| 4277 } | |
| 4278 | |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4279 if (sysevent_attach_attributes(ev, attr) != 0) |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4280 goto done; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4281 attr = NULL; |
|
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4282 |
| 4451 | 4283 (void) log_sysevent(ev, SE_SLEEP, &eid); |
| 4284 | |
| 4285 done: | |
| 4286 if (attr) | |
| 4287 sysevent_free_attr(attr); | |
| 4288 sysevent_free(ev); | |
| 4289 #endif | |
| 4290 } |