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Commit | Line | Data |
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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
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 | */ | |
21 | ||
22 | /* | |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
3541dc6d | 24 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
1bd201e7 | 25 | * Copyright (c) 2012 by Delphix. All rights reserved. |
34dc7c2f BB |
26 | */ |
27 | ||
34dc7c2f BB |
28 | #include <ctype.h> |
29 | #include <errno.h> | |
30 | #include <devid.h> | |
34dc7c2f BB |
31 | #include <fcntl.h> |
32 | #include <libintl.h> | |
33 | #include <stdio.h> | |
34 | #include <stdlib.h> | |
35 | #include <strings.h> | |
36 | #include <unistd.h> | |
6f1ffb06 | 37 | #include <libgen.h> |
d603ed6c BB |
38 | #include <zone.h> |
39 | #include <sys/stat.h> | |
34dc7c2f BB |
40 | #include <sys/efi_partition.h> |
41 | #include <sys/vtoc.h> | |
42 | #include <sys/zfs_ioctl.h> | |
9babb374 | 43 | #include <dlfcn.h> |
34dc7c2f BB |
44 | |
45 | #include "zfs_namecheck.h" | |
46 | #include "zfs_prop.h" | |
47 | #include "libzfs_impl.h" | |
428870ff | 48 | #include "zfs_comutil.h" |
9ae529ec | 49 | #include "zfeature_common.h" |
34dc7c2f | 50 | |
b128c09f BB |
51 | static int read_efi_label(nvlist_t *config, diskaddr_t *sb); |
52 | ||
572e2857 BB |
53 | typedef struct prop_flags { |
54 | int create:1; /* Validate property on creation */ | |
55 | int import:1; /* Validate property on import */ | |
56 | } prop_flags_t; | |
57 | ||
34dc7c2f BB |
58 | /* |
59 | * ==================================================================== | |
60 | * zpool property functions | |
61 | * ==================================================================== | |
62 | */ | |
63 | ||
64 | static int | |
65 | zpool_get_all_props(zpool_handle_t *zhp) | |
66 | { | |
6f1ffb06 | 67 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
68 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
69 | ||
70 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
71 | ||
72 | if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) | |
73 | return (-1); | |
74 | ||
75 | while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { | |
76 | if (errno == ENOMEM) { | |
77 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
78 | zcmd_free_nvlists(&zc); | |
79 | return (-1); | |
80 | } | |
81 | } else { | |
82 | zcmd_free_nvlists(&zc); | |
83 | return (-1); | |
84 | } | |
85 | } | |
86 | ||
87 | if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { | |
88 | zcmd_free_nvlists(&zc); | |
89 | return (-1); | |
90 | } | |
91 | ||
92 | zcmd_free_nvlists(&zc); | |
93 | ||
94 | return (0); | |
95 | } | |
96 | ||
97 | static int | |
98 | zpool_props_refresh(zpool_handle_t *zhp) | |
99 | { | |
100 | nvlist_t *old_props; | |
101 | ||
102 | old_props = zhp->zpool_props; | |
103 | ||
104 | if (zpool_get_all_props(zhp) != 0) | |
105 | return (-1); | |
106 | ||
107 | nvlist_free(old_props); | |
108 | return (0); | |
109 | } | |
110 | ||
111 | static char * | |
112 | zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, | |
113 | zprop_source_t *src) | |
114 | { | |
115 | nvlist_t *nv, *nvl; | |
116 | uint64_t ival; | |
117 | char *value; | |
118 | zprop_source_t source; | |
119 | ||
120 | nvl = zhp->zpool_props; | |
121 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
122 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); | |
123 | source = ival; | |
124 | verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); | |
125 | } else { | |
126 | source = ZPROP_SRC_DEFAULT; | |
127 | if ((value = (char *)zpool_prop_default_string(prop)) == NULL) | |
128 | value = "-"; | |
129 | } | |
130 | ||
131 | if (src) | |
132 | *src = source; | |
133 | ||
134 | return (value); | |
135 | } | |
136 | ||
137 | uint64_t | |
138 | zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) | |
139 | { | |
140 | nvlist_t *nv, *nvl; | |
141 | uint64_t value; | |
142 | zprop_source_t source; | |
143 | ||
b128c09f BB |
144 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { |
145 | /* | |
146 | * zpool_get_all_props() has most likely failed because | |
147 | * the pool is faulted, but if all we need is the top level | |
148 | * vdev's guid then get it from the zhp config nvlist. | |
149 | */ | |
150 | if ((prop == ZPOOL_PROP_GUID) && | |
151 | (nvlist_lookup_nvlist(zhp->zpool_config, | |
152 | ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && | |
153 | (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) | |
154 | == 0)) { | |
155 | return (value); | |
156 | } | |
34dc7c2f | 157 | return (zpool_prop_default_numeric(prop)); |
b128c09f | 158 | } |
34dc7c2f BB |
159 | |
160 | nvl = zhp->zpool_props; | |
161 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
162 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); | |
163 | source = value; | |
164 | verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); | |
165 | } else { | |
166 | source = ZPROP_SRC_DEFAULT; | |
167 | value = zpool_prop_default_numeric(prop); | |
168 | } | |
169 | ||
170 | if (src) | |
171 | *src = source; | |
172 | ||
173 | return (value); | |
174 | } | |
175 | ||
176 | /* | |
177 | * Map VDEV STATE to printed strings. | |
178 | */ | |
179 | char * | |
180 | zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) | |
181 | { | |
182 | switch (state) { | |
e75c13c3 BB |
183 | default: |
184 | break; | |
34dc7c2f BB |
185 | case VDEV_STATE_CLOSED: |
186 | case VDEV_STATE_OFFLINE: | |
187 | return (gettext("OFFLINE")); | |
188 | case VDEV_STATE_REMOVED: | |
189 | return (gettext("REMOVED")); | |
190 | case VDEV_STATE_CANT_OPEN: | |
b128c09f | 191 | if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) |
34dc7c2f | 192 | return (gettext("FAULTED")); |
428870ff BB |
193 | else if (aux == VDEV_AUX_SPLIT_POOL) |
194 | return (gettext("SPLIT")); | |
34dc7c2f BB |
195 | else |
196 | return (gettext("UNAVAIL")); | |
197 | case VDEV_STATE_FAULTED: | |
198 | return (gettext("FAULTED")); | |
199 | case VDEV_STATE_DEGRADED: | |
200 | return (gettext("DEGRADED")); | |
201 | case VDEV_STATE_HEALTHY: | |
202 | return (gettext("ONLINE")); | |
203 | } | |
204 | ||
205 | return (gettext("UNKNOWN")); | |
206 | } | |
207 | ||
131cc95c DK |
208 | /* |
209 | * Map POOL STATE to printed strings. | |
210 | */ | |
211 | const char * | |
212 | zpool_pool_state_to_name(pool_state_t state) | |
213 | { | |
214 | switch (state) { | |
215 | default: | |
216 | break; | |
217 | case POOL_STATE_ACTIVE: | |
218 | return (gettext("ACTIVE")); | |
219 | case POOL_STATE_EXPORTED: | |
220 | return (gettext("EXPORTED")); | |
221 | case POOL_STATE_DESTROYED: | |
222 | return (gettext("DESTROYED")); | |
223 | case POOL_STATE_SPARE: | |
224 | return (gettext("SPARE")); | |
225 | case POOL_STATE_L2CACHE: | |
226 | return (gettext("L2CACHE")); | |
227 | case POOL_STATE_UNINITIALIZED: | |
228 | return (gettext("UNINITIALIZED")); | |
229 | case POOL_STATE_UNAVAIL: | |
230 | return (gettext("UNAVAIL")); | |
231 | case POOL_STATE_POTENTIALLY_ACTIVE: | |
232 | return (gettext("POTENTIALLY_ACTIVE")); | |
233 | } | |
234 | ||
235 | return (gettext("UNKNOWN")); | |
236 | } | |
237 | ||
34dc7c2f BB |
238 | /* |
239 | * Get a zpool property value for 'prop' and return the value in | |
240 | * a pre-allocated buffer. | |
241 | */ | |
242 | int | |
243 | zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, | |
244 | zprop_source_t *srctype) | |
245 | { | |
246 | uint64_t intval; | |
247 | const char *strval; | |
248 | zprop_source_t src = ZPROP_SRC_NONE; | |
249 | nvlist_t *nvroot; | |
250 | vdev_stat_t *vs; | |
251 | uint_t vsc; | |
252 | ||
253 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
d164b209 BB |
254 | switch (prop) { |
255 | case ZPOOL_PROP_NAME: | |
34dc7c2f | 256 | (void) strlcpy(buf, zpool_get_name(zhp), len); |
d164b209 BB |
257 | break; |
258 | ||
259 | case ZPOOL_PROP_HEALTH: | |
34dc7c2f | 260 | (void) strlcpy(buf, "FAULTED", len); |
d164b209 BB |
261 | break; |
262 | ||
263 | case ZPOOL_PROP_GUID: | |
264 | intval = zpool_get_prop_int(zhp, prop, &src); | |
b8864a23 | 265 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
d164b209 BB |
266 | break; |
267 | ||
268 | case ZPOOL_PROP_ALTROOT: | |
269 | case ZPOOL_PROP_CACHEFILE: | |
d96eb2b1 | 270 | case ZPOOL_PROP_COMMENT: |
d164b209 BB |
271 | if (zhp->zpool_props != NULL || |
272 | zpool_get_all_props(zhp) == 0) { | |
273 | (void) strlcpy(buf, | |
274 | zpool_get_prop_string(zhp, prop, &src), | |
275 | len); | |
276 | if (srctype != NULL) | |
277 | *srctype = src; | |
278 | return (0); | |
279 | } | |
280 | /* FALLTHROUGH */ | |
281 | default: | |
34dc7c2f | 282 | (void) strlcpy(buf, "-", len); |
d164b209 BB |
283 | break; |
284 | } | |
285 | ||
286 | if (srctype != NULL) | |
287 | *srctype = src; | |
34dc7c2f BB |
288 | return (0); |
289 | } | |
290 | ||
291 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && | |
292 | prop != ZPOOL_PROP_NAME) | |
293 | return (-1); | |
294 | ||
295 | switch (zpool_prop_get_type(prop)) { | |
296 | case PROP_TYPE_STRING: | |
297 | (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), | |
298 | len); | |
299 | break; | |
300 | ||
301 | case PROP_TYPE_NUMBER: | |
302 | intval = zpool_get_prop_int(zhp, prop, &src); | |
303 | ||
304 | switch (prop) { | |
305 | case ZPOOL_PROP_SIZE: | |
428870ff BB |
306 | case ZPOOL_PROP_ALLOCATED: |
307 | case ZPOOL_PROP_FREE: | |
9ae529ec | 308 | case ZPOOL_PROP_FREEING: |
1bd201e7 | 309 | case ZPOOL_PROP_EXPANDSZ: |
df30f566 | 310 | case ZPOOL_PROP_ASHIFT: |
34dc7c2f BB |
311 | (void) zfs_nicenum(intval, buf, len); |
312 | break; | |
313 | ||
314 | case ZPOOL_PROP_CAPACITY: | |
315 | (void) snprintf(buf, len, "%llu%%", | |
316 | (u_longlong_t)intval); | |
317 | break; | |
318 | ||
428870ff BB |
319 | case ZPOOL_PROP_DEDUPRATIO: |
320 | (void) snprintf(buf, len, "%llu.%02llux", | |
321 | (u_longlong_t)(intval / 100), | |
322 | (u_longlong_t)(intval % 100)); | |
323 | break; | |
324 | ||
34dc7c2f BB |
325 | case ZPOOL_PROP_HEALTH: |
326 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
327 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
328 | verify(nvlist_lookup_uint64_array(nvroot, | |
428870ff BB |
329 | ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) |
330 | == 0); | |
34dc7c2f BB |
331 | |
332 | (void) strlcpy(buf, zpool_state_to_name(intval, | |
333 | vs->vs_aux), len); | |
334 | break; | |
9ae529ec CS |
335 | case ZPOOL_PROP_VERSION: |
336 | if (intval >= SPA_VERSION_FEATURES) { | |
337 | (void) snprintf(buf, len, "-"); | |
338 | break; | |
339 | } | |
340 | /* FALLTHROUGH */ | |
34dc7c2f | 341 | default: |
b8864a23 | 342 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
34dc7c2f BB |
343 | } |
344 | break; | |
345 | ||
346 | case PROP_TYPE_INDEX: | |
347 | intval = zpool_get_prop_int(zhp, prop, &src); | |
348 | if (zpool_prop_index_to_string(prop, intval, &strval) | |
349 | != 0) | |
350 | return (-1); | |
351 | (void) strlcpy(buf, strval, len); | |
352 | break; | |
353 | ||
354 | default: | |
355 | abort(); | |
356 | } | |
357 | ||
358 | if (srctype) | |
359 | *srctype = src; | |
360 | ||
361 | return (0); | |
362 | } | |
363 | ||
364 | /* | |
365 | * Check if the bootfs name has the same pool name as it is set to. | |
366 | * Assuming bootfs is a valid dataset name. | |
367 | */ | |
368 | static boolean_t | |
369 | bootfs_name_valid(const char *pool, char *bootfs) | |
370 | { | |
371 | int len = strlen(pool); | |
372 | ||
b128c09f | 373 | if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) |
34dc7c2f BB |
374 | return (B_FALSE); |
375 | ||
376 | if (strncmp(pool, bootfs, len) == 0 && | |
377 | (bootfs[len] == '/' || bootfs[len] == '\0')) | |
378 | return (B_TRUE); | |
379 | ||
380 | return (B_FALSE); | |
381 | } | |
382 | ||
c372b36e | 383 | #if defined(__sun__) || defined(__sun) |
b128c09f BB |
384 | /* |
385 | * Inspect the configuration to determine if any of the devices contain | |
386 | * an EFI label. | |
387 | */ | |
388 | static boolean_t | |
389 | pool_uses_efi(nvlist_t *config) | |
390 | { | |
391 | nvlist_t **child; | |
392 | uint_t c, children; | |
393 | ||
394 | if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, | |
395 | &child, &children) != 0) | |
396 | return (read_efi_label(config, NULL) >= 0); | |
397 | ||
398 | for (c = 0; c < children; c++) { | |
399 | if (pool_uses_efi(child[c])) | |
400 | return (B_TRUE); | |
401 | } | |
402 | return (B_FALSE); | |
403 | } | |
c372b36e | 404 | #endif |
b128c09f | 405 | |
1bd201e7 CS |
406 | boolean_t |
407 | zpool_is_bootable(zpool_handle_t *zhp) | |
b128c09f BB |
408 | { |
409 | char bootfs[ZPOOL_MAXNAMELEN]; | |
410 | ||
411 | return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, | |
412 | sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-", | |
413 | sizeof (bootfs)) != 0); | |
414 | } | |
415 | ||
416 | ||
34dc7c2f BB |
417 | /* |
418 | * Given an nvlist of zpool properties to be set, validate that they are | |
419 | * correct, and parse any numeric properties (index, boolean, etc) if they are | |
420 | * specified as strings. | |
421 | */ | |
422 | static nvlist_t * | |
b128c09f | 423 | zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, |
572e2857 | 424 | nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) |
34dc7c2f BB |
425 | { |
426 | nvpair_t *elem; | |
427 | nvlist_t *retprops; | |
428 | zpool_prop_t prop; | |
429 | char *strval; | |
430 | uint64_t intval; | |
d96eb2b1 | 431 | char *slash, *check; |
34dc7c2f | 432 | struct stat64 statbuf; |
b128c09f BB |
433 | zpool_handle_t *zhp; |
434 | nvlist_t *nvroot; | |
34dc7c2f BB |
435 | |
436 | if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { | |
437 | (void) no_memory(hdl); | |
438 | return (NULL); | |
439 | } | |
440 | ||
441 | elem = NULL; | |
442 | while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
443 | const char *propname = nvpair_name(elem); | |
444 | ||
9ae529ec CS |
445 | prop = zpool_name_to_prop(propname); |
446 | if (prop == ZPROP_INVAL && zpool_prop_feature(propname)) { | |
447 | int err; | |
448 | zfeature_info_t *feature; | |
449 | char *fname = strchr(propname, '@') + 1; | |
450 | ||
451 | err = zfeature_lookup_name(fname, &feature); | |
452 | if (err != 0) { | |
453 | ASSERT3U(err, ==, ENOENT); | |
454 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
455 | "invalid feature '%s'"), fname); | |
456 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
457 | goto error; | |
458 | } | |
459 | ||
460 | if (nvpair_type(elem) != DATA_TYPE_STRING) { | |
461 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
462 | "'%s' must be a string"), propname); | |
463 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
464 | goto error; | |
465 | } | |
466 | ||
467 | (void) nvpair_value_string(elem, &strval); | |
468 | if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0) { | |
469 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
470 | "property '%s' can only be set to " | |
471 | "'enabled'"), propname); | |
472 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
473 | goto error; | |
474 | } | |
475 | ||
476 | if (nvlist_add_uint64(retprops, propname, 0) != 0) { | |
477 | (void) no_memory(hdl); | |
478 | goto error; | |
479 | } | |
480 | continue; | |
481 | } | |
482 | ||
34dc7c2f BB |
483 | /* |
484 | * Make sure this property is valid and applies to this type. | |
485 | */ | |
9ae529ec | 486 | if (prop == ZPROP_INVAL) { |
34dc7c2f BB |
487 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
488 | "invalid property '%s'"), propname); | |
489 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
490 | goto error; | |
491 | } | |
492 | ||
493 | if (zpool_prop_readonly(prop)) { | |
494 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
495 | "is readonly"), propname); | |
496 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
497 | goto error; | |
498 | } | |
499 | ||
500 | if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, | |
501 | &strval, &intval, errbuf) != 0) | |
502 | goto error; | |
503 | ||
504 | /* | |
505 | * Perform additional checking for specific properties. | |
506 | */ | |
507 | switch (prop) { | |
e75c13c3 BB |
508 | default: |
509 | break; | |
34dc7c2f | 510 | case ZPOOL_PROP_VERSION: |
9ae529ec CS |
511 | if (intval < version || |
512 | !SPA_VERSION_IS_SUPPORTED(intval)) { | |
34dc7c2f BB |
513 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
514 | "property '%s' number %d is invalid."), | |
515 | propname, intval); | |
516 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
517 | goto error; | |
518 | } | |
519 | break; | |
520 | ||
df30f566 CK |
521 | case ZPOOL_PROP_ASHIFT: |
522 | if (!flags.create) { | |
523 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
524 | "property '%s' can only be set at " | |
525 | "creation time"), propname); | |
526 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
527 | goto error; | |
528 | } | |
529 | ||
b41c9906 | 530 | if (intval != 0 && (intval < 9 || intval > 13)) { |
df30f566 CK |
531 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
532 | "property '%s' number %d is invalid."), | |
533 | propname, intval); | |
534 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
535 | goto error; | |
536 | } | |
537 | break; | |
538 | ||
34dc7c2f | 539 | case ZPOOL_PROP_BOOTFS: |
572e2857 | 540 | if (flags.create || flags.import) { |
34dc7c2f BB |
541 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
542 | "property '%s' cannot be set at creation " | |
543 | "or import time"), propname); | |
544 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
545 | goto error; | |
546 | } | |
547 | ||
548 | if (version < SPA_VERSION_BOOTFS) { | |
549 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
550 | "pool must be upgraded to support " | |
551 | "'%s' property"), propname); | |
552 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
553 | goto error; | |
554 | } | |
555 | ||
556 | /* | |
557 | * bootfs property value has to be a dataset name and | |
558 | * the dataset has to be in the same pool as it sets to. | |
559 | */ | |
560 | if (strval[0] != '\0' && !bootfs_name_valid(poolname, | |
561 | strval)) { | |
562 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
563 | "is an invalid name"), strval); | |
564 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
565 | goto error; | |
566 | } | |
b128c09f BB |
567 | |
568 | if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { | |
569 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
570 | "could not open pool '%s'"), poolname); | |
571 | (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); | |
572 | goto error; | |
573 | } | |
574 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
575 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
576 | ||
f783130a | 577 | #if defined(__sun__) || defined(__sun) |
b128c09f BB |
578 | /* |
579 | * bootfs property cannot be set on a disk which has | |
580 | * been EFI labeled. | |
581 | */ | |
582 | if (pool_uses_efi(nvroot)) { | |
583 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
584 | "property '%s' not supported on " | |
585 | "EFI labeled devices"), propname); | |
586 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); | |
587 | zpool_close(zhp); | |
588 | goto error; | |
589 | } | |
f783130a | 590 | #endif |
b128c09f | 591 | zpool_close(zhp); |
34dc7c2f BB |
592 | break; |
593 | ||
594 | case ZPOOL_PROP_ALTROOT: | |
572e2857 | 595 | if (!flags.create && !flags.import) { |
34dc7c2f BB |
596 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
597 | "property '%s' can only be set during pool " | |
598 | "creation or import"), propname); | |
599 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
600 | goto error; | |
601 | } | |
602 | ||
603 | if (strval[0] != '/') { | |
604 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
605 | "bad alternate root '%s'"), strval); | |
606 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
607 | goto error; | |
608 | } | |
609 | break; | |
610 | ||
611 | case ZPOOL_PROP_CACHEFILE: | |
612 | if (strval[0] == '\0') | |
613 | break; | |
614 | ||
615 | if (strcmp(strval, "none") == 0) | |
616 | break; | |
617 | ||
618 | if (strval[0] != '/') { | |
619 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
620 | "property '%s' must be empty, an " | |
621 | "absolute path, or 'none'"), propname); | |
622 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
623 | goto error; | |
624 | } | |
625 | ||
626 | slash = strrchr(strval, '/'); | |
627 | ||
628 | if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
629 | strcmp(slash, "/..") == 0) { | |
630 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
631 | "'%s' is not a valid file"), strval); | |
632 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
633 | goto error; | |
634 | } | |
635 | ||
636 | *slash = '\0'; | |
637 | ||
638 | if (strval[0] != '\0' && | |
639 | (stat64(strval, &statbuf) != 0 || | |
640 | !S_ISDIR(statbuf.st_mode))) { | |
641 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
642 | "'%s' is not a valid directory"), | |
643 | strval); | |
644 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
645 | goto error; | |
646 | } | |
647 | ||
648 | *slash = '/'; | |
649 | break; | |
572e2857 | 650 | |
d96eb2b1 DM |
651 | case ZPOOL_PROP_COMMENT: |
652 | for (check = strval; *check != '\0'; check++) { | |
653 | if (!isprint(*check)) { | |
654 | zfs_error_aux(hdl, | |
655 | dgettext(TEXT_DOMAIN, | |
656 | "comment may only have printable " | |
657 | "characters")); | |
658 | (void) zfs_error(hdl, EZFS_BADPROP, | |
659 | errbuf); | |
660 | goto error; | |
661 | } | |
662 | } | |
663 | if (strlen(strval) > ZPROP_MAX_COMMENT) { | |
664 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
665 | "comment must not exceed %d characters"), | |
666 | ZPROP_MAX_COMMENT); | |
667 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
668 | goto error; | |
669 | } | |
670 | break; | |
572e2857 BB |
671 | case ZPOOL_PROP_READONLY: |
672 | if (!flags.import) { | |
673 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
674 | "property '%s' can only be set at " | |
675 | "import time"), propname); | |
676 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
677 | goto error; | |
678 | } | |
679 | break; | |
34dc7c2f BB |
680 | } |
681 | } | |
682 | ||
683 | return (retprops); | |
684 | error: | |
685 | nvlist_free(retprops); | |
686 | return (NULL); | |
687 | } | |
688 | ||
689 | /* | |
690 | * Set zpool property : propname=propval. | |
691 | */ | |
692 | int | |
693 | zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) | |
694 | { | |
6f1ffb06 | 695 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
696 | int ret = -1; |
697 | char errbuf[1024]; | |
698 | nvlist_t *nvl = NULL; | |
699 | nvlist_t *realprops; | |
700 | uint64_t version; | |
572e2857 | 701 | prop_flags_t flags = { 0 }; |
34dc7c2f BB |
702 | |
703 | (void) snprintf(errbuf, sizeof (errbuf), | |
704 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
705 | zhp->zpool_name); | |
706 | ||
34dc7c2f BB |
707 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) |
708 | return (no_memory(zhp->zpool_hdl)); | |
709 | ||
710 | if (nvlist_add_string(nvl, propname, propval) != 0) { | |
711 | nvlist_free(nvl); | |
712 | return (no_memory(zhp->zpool_hdl)); | |
713 | } | |
714 | ||
715 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
b128c09f | 716 | if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, |
572e2857 | 717 | zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
718 | nvlist_free(nvl); |
719 | return (-1); | |
720 | } | |
721 | ||
722 | nvlist_free(nvl); | |
723 | nvl = realprops; | |
724 | ||
725 | /* | |
726 | * Execute the corresponding ioctl() to set this property. | |
727 | */ | |
728 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
729 | ||
730 | if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { | |
731 | nvlist_free(nvl); | |
732 | return (-1); | |
733 | } | |
734 | ||
735 | ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); | |
736 | ||
737 | zcmd_free_nvlists(&zc); | |
738 | nvlist_free(nvl); | |
739 | ||
740 | if (ret) | |
741 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
742 | else | |
743 | (void) zpool_props_refresh(zhp); | |
744 | ||
745 | return (ret); | |
746 | } | |
747 | ||
748 | int | |
749 | zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) | |
750 | { | |
751 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
752 | zprop_list_t *entry; | |
753 | char buf[ZFS_MAXPROPLEN]; | |
9ae529ec CS |
754 | nvlist_t *features = NULL; |
755 | nvpair_t *nvp; | |
756 | zprop_list_t **last; | |
757 | boolean_t firstexpand = (NULL == *plp); | |
758 | int i; | |
34dc7c2f BB |
759 | |
760 | if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) | |
761 | return (-1); | |
762 | ||
9ae529ec CS |
763 | last = plp; |
764 | while (*last != NULL) | |
765 | last = &(*last)->pl_next; | |
766 | ||
767 | if ((*plp)->pl_all) | |
768 | features = zpool_get_features(zhp); | |
769 | ||
770 | if ((*plp)->pl_all && firstexpand) { | |
771 | for (i = 0; i < SPA_FEATURES; i++) { | |
772 | zprop_list_t *entry = zfs_alloc(hdl, | |
773 | sizeof (zprop_list_t)); | |
774 | entry->pl_prop = ZPROP_INVAL; | |
775 | entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s", | |
776 | spa_feature_table[i].fi_uname); | |
777 | entry->pl_width = strlen(entry->pl_user_prop); | |
778 | entry->pl_all = B_TRUE; | |
779 | ||
780 | *last = entry; | |
781 | last = &entry->pl_next; | |
782 | } | |
783 | } | |
784 | ||
785 | /* add any unsupported features */ | |
786 | for (nvp = nvlist_next_nvpair(features, NULL); | |
787 | nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) { | |
788 | char *propname; | |
789 | boolean_t found; | |
790 | zprop_list_t *entry; | |
791 | ||
792 | if (zfeature_is_supported(nvpair_name(nvp))) | |
793 | continue; | |
794 | ||
795 | propname = zfs_asprintf(hdl, "unsupported@%s", | |
796 | nvpair_name(nvp)); | |
797 | ||
798 | /* | |
799 | * Before adding the property to the list make sure that no | |
800 | * other pool already added the same property. | |
801 | */ | |
802 | found = B_FALSE; | |
803 | entry = *plp; | |
804 | while (entry != NULL) { | |
805 | if (entry->pl_user_prop != NULL && | |
806 | strcmp(propname, entry->pl_user_prop) == 0) { | |
807 | found = B_TRUE; | |
808 | break; | |
809 | } | |
810 | entry = entry->pl_next; | |
811 | } | |
812 | if (found) { | |
813 | free(propname); | |
814 | continue; | |
815 | } | |
816 | ||
817 | entry = zfs_alloc(hdl, sizeof (zprop_list_t)); | |
818 | entry->pl_prop = ZPROP_INVAL; | |
819 | entry->pl_user_prop = propname; | |
820 | entry->pl_width = strlen(entry->pl_user_prop); | |
821 | entry->pl_all = B_TRUE; | |
822 | ||
823 | *last = entry; | |
824 | last = &entry->pl_next; | |
825 | } | |
826 | ||
34dc7c2f BB |
827 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { |
828 | ||
829 | if (entry->pl_fixed) | |
830 | continue; | |
831 | ||
832 | if (entry->pl_prop != ZPROP_INVAL && | |
833 | zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), | |
834 | NULL) == 0) { | |
835 | if (strlen(buf) > entry->pl_width) | |
836 | entry->pl_width = strlen(buf); | |
837 | } | |
838 | } | |
839 | ||
840 | return (0); | |
841 | } | |
842 | ||
9ae529ec CS |
843 | /* |
844 | * Get the state for the given feature on the given ZFS pool. | |
845 | */ | |
846 | int | |
847 | zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf, | |
848 | size_t len) | |
849 | { | |
850 | uint64_t refcount; | |
851 | boolean_t found = B_FALSE; | |
852 | nvlist_t *features = zpool_get_features(zhp); | |
853 | boolean_t supported; | |
854 | const char *feature = strchr(propname, '@') + 1; | |
855 | ||
856 | supported = zpool_prop_feature(propname); | |
857 | ASSERT(supported || zpool_prop_unsupported(propname)); | |
858 | ||
859 | /* | |
860 | * Convert from feature name to feature guid. This conversion is | |
861 | * unecessary for unsupported@... properties because they already | |
862 | * use guids. | |
863 | */ | |
864 | if (supported) { | |
865 | int ret; | |
866 | zfeature_info_t *fi; | |
867 | ||
868 | ret = zfeature_lookup_name(feature, &fi); | |
869 | if (ret != 0) { | |
870 | (void) strlcpy(buf, "-", len); | |
871 | return (ENOTSUP); | |
872 | } | |
873 | feature = fi->fi_guid; | |
874 | } | |
875 | ||
876 | if (nvlist_lookup_uint64(features, feature, &refcount) == 0) | |
877 | found = B_TRUE; | |
878 | ||
879 | if (supported) { | |
880 | if (!found) { | |
881 | (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len); | |
882 | } else { | |
883 | if (refcount == 0) | |
884 | (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len); | |
885 | else | |
886 | (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len); | |
887 | } | |
888 | } else { | |
889 | if (found) { | |
890 | if (refcount == 0) { | |
891 | (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE); | |
892 | } else { | |
893 | (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY); | |
894 | } | |
895 | } else { | |
896 | (void) strlcpy(buf, "-", len); | |
897 | return (ENOTSUP); | |
898 | } | |
899 | } | |
900 | ||
901 | return (0); | |
902 | } | |
34dc7c2f | 903 | |
9babb374 BB |
904 | /* |
905 | * Don't start the slice at the default block of 34; many storage | |
d603ed6c BB |
906 | * devices will use a stripe width of 128k, other vendors prefer a 1m |
907 | * alignment. It is best to play it safe and ensure a 1m alignment | |
613d88ed NB |
908 | * given 512B blocks. When the block size is larger by a power of 2 |
909 | * we will still be 1m aligned. Some devices are sensitive to the | |
910 | * partition ending alignment as well. | |
9babb374 | 911 | */ |
613d88ed NB |
912 | #define NEW_START_BLOCK 2048 |
913 | #define PARTITION_END_ALIGNMENT 2048 | |
9babb374 | 914 | |
34dc7c2f BB |
915 | /* |
916 | * Validate the given pool name, optionally putting an extended error message in | |
917 | * 'buf'. | |
918 | */ | |
919 | boolean_t | |
920 | zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) | |
921 | { | |
922 | namecheck_err_t why; | |
923 | char what; | |
924 | int ret; | |
925 | ||
926 | ret = pool_namecheck(pool, &why, &what); | |
927 | ||
928 | /* | |
929 | * The rules for reserved pool names were extended at a later point. | |
930 | * But we need to support users with existing pools that may now be | |
931 | * invalid. So we only check for this expanded set of names during a | |
932 | * create (or import), and only in userland. | |
933 | */ | |
934 | if (ret == 0 && !isopen && | |
935 | (strncmp(pool, "mirror", 6) == 0 || | |
936 | strncmp(pool, "raidz", 5) == 0 || | |
937 | strncmp(pool, "spare", 5) == 0 || | |
938 | strcmp(pool, "log") == 0)) { | |
939 | if (hdl != NULL) | |
940 | zfs_error_aux(hdl, | |
941 | dgettext(TEXT_DOMAIN, "name is reserved")); | |
942 | return (B_FALSE); | |
943 | } | |
944 | ||
945 | ||
946 | if (ret != 0) { | |
947 | if (hdl != NULL) { | |
948 | switch (why) { | |
949 | case NAME_ERR_TOOLONG: | |
950 | zfs_error_aux(hdl, | |
951 | dgettext(TEXT_DOMAIN, "name is too long")); | |
952 | break; | |
953 | ||
954 | case NAME_ERR_INVALCHAR: | |
955 | zfs_error_aux(hdl, | |
956 | dgettext(TEXT_DOMAIN, "invalid character " | |
957 | "'%c' in pool name"), what); | |
958 | break; | |
959 | ||
960 | case NAME_ERR_NOLETTER: | |
961 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
962 | "name must begin with a letter")); | |
963 | break; | |
964 | ||
965 | case NAME_ERR_RESERVED: | |
966 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
967 | "name is reserved")); | |
968 | break; | |
969 | ||
970 | case NAME_ERR_DISKLIKE: | |
971 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
972 | "pool name is reserved")); | |
973 | break; | |
974 | ||
975 | case NAME_ERR_LEADING_SLASH: | |
976 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
977 | "leading slash in name")); | |
978 | break; | |
979 | ||
980 | case NAME_ERR_EMPTY_COMPONENT: | |
981 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
982 | "empty component in name")); | |
983 | break; | |
984 | ||
985 | case NAME_ERR_TRAILING_SLASH: | |
986 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
987 | "trailing slash in name")); | |
988 | break; | |
989 | ||
990 | case NAME_ERR_MULTIPLE_AT: | |
991 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
992 | "multiple '@' delimiters in name")); | |
993 | break; | |
e75c13c3 BB |
994 | case NAME_ERR_NO_AT: |
995 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
996 | "permission set is missing '@'")); | |
997 | break; | |
34dc7c2f BB |
998 | } |
999 | } | |
1000 | return (B_FALSE); | |
1001 | } | |
1002 | ||
1003 | return (B_TRUE); | |
1004 | } | |
1005 | ||
1006 | /* | |
1007 | * Open a handle to the given pool, even if the pool is currently in the FAULTED | |
1008 | * state. | |
1009 | */ | |
1010 | zpool_handle_t * | |
1011 | zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) | |
1012 | { | |
1013 | zpool_handle_t *zhp; | |
1014 | boolean_t missing; | |
1015 | ||
1016 | /* | |
1017 | * Make sure the pool name is valid. | |
1018 | */ | |
1019 | if (!zpool_name_valid(hdl, B_TRUE, pool)) { | |
1020 | (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1021 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), | |
1022 | pool); | |
1023 | return (NULL); | |
1024 | } | |
1025 | ||
1026 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
1027 | return (NULL); | |
1028 | ||
1029 | zhp->zpool_hdl = hdl; | |
1030 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
1031 | ||
1032 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
1033 | zpool_close(zhp); | |
1034 | return (NULL); | |
1035 | } | |
1036 | ||
1037 | if (missing) { | |
1038 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); | |
1039 | (void) zfs_error_fmt(hdl, EZFS_NOENT, | |
1040 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); | |
1041 | zpool_close(zhp); | |
1042 | return (NULL); | |
1043 | } | |
1044 | ||
1045 | return (zhp); | |
1046 | } | |
1047 | ||
1048 | /* | |
1049 | * Like the above, but silent on error. Used when iterating over pools (because | |
1050 | * the configuration cache may be out of date). | |
1051 | */ | |
1052 | int | |
1053 | zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) | |
1054 | { | |
1055 | zpool_handle_t *zhp; | |
1056 | boolean_t missing; | |
1057 | ||
1058 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
1059 | return (-1); | |
1060 | ||
1061 | zhp->zpool_hdl = hdl; | |
1062 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
1063 | ||
1064 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
1065 | zpool_close(zhp); | |
1066 | return (-1); | |
1067 | } | |
1068 | ||
1069 | if (missing) { | |
1070 | zpool_close(zhp); | |
1071 | *ret = NULL; | |
1072 | return (0); | |
1073 | } | |
1074 | ||
1075 | *ret = zhp; | |
1076 | return (0); | |
1077 | } | |
1078 | ||
1079 | /* | |
1080 | * Similar to zpool_open_canfail(), but refuses to open pools in the faulted | |
1081 | * state. | |
1082 | */ | |
1083 | zpool_handle_t * | |
1084 | zpool_open(libzfs_handle_t *hdl, const char *pool) | |
1085 | { | |
1086 | zpool_handle_t *zhp; | |
1087 | ||
1088 | if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) | |
1089 | return (NULL); | |
1090 | ||
1091 | if (zhp->zpool_state == POOL_STATE_UNAVAIL) { | |
1092 | (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
1093 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); | |
1094 | zpool_close(zhp); | |
1095 | return (NULL); | |
1096 | } | |
1097 | ||
1098 | return (zhp); | |
1099 | } | |
1100 | ||
1101 | /* | |
1102 | * Close the handle. Simply frees the memory associated with the handle. | |
1103 | */ | |
1104 | void | |
1105 | zpool_close(zpool_handle_t *zhp) | |
1106 | { | |
1107 | if (zhp->zpool_config) | |
1108 | nvlist_free(zhp->zpool_config); | |
1109 | if (zhp->zpool_old_config) | |
1110 | nvlist_free(zhp->zpool_old_config); | |
1111 | if (zhp->zpool_props) | |
1112 | nvlist_free(zhp->zpool_props); | |
1113 | free(zhp); | |
1114 | } | |
1115 | ||
1116 | /* | |
1117 | * Return the name of the pool. | |
1118 | */ | |
1119 | const char * | |
1120 | zpool_get_name(zpool_handle_t *zhp) | |
1121 | { | |
1122 | return (zhp->zpool_name); | |
1123 | } | |
1124 | ||
1125 | ||
1126 | /* | |
1127 | * Return the state of the pool (ACTIVE or UNAVAILABLE) | |
1128 | */ | |
1129 | int | |
1130 | zpool_get_state(zpool_handle_t *zhp) | |
1131 | { | |
1132 | return (zhp->zpool_state); | |
1133 | } | |
1134 | ||
1135 | /* | |
1136 | * Create the named pool, using the provided vdev list. It is assumed | |
1137 | * that the consumer has already validated the contents of the nvlist, so we | |
1138 | * don't have to worry about error semantics. | |
1139 | */ | |
1140 | int | |
1141 | zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, | |
b128c09f | 1142 | nvlist_t *props, nvlist_t *fsprops) |
34dc7c2f | 1143 | { |
6f1ffb06 | 1144 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
b128c09f BB |
1145 | nvlist_t *zc_fsprops = NULL; |
1146 | nvlist_t *zc_props = NULL; | |
34dc7c2f BB |
1147 | char msg[1024]; |
1148 | char *altroot; | |
b128c09f | 1149 | int ret = -1; |
34dc7c2f BB |
1150 | |
1151 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1152 | "cannot create '%s'"), pool); | |
1153 | ||
1154 | if (!zpool_name_valid(hdl, B_FALSE, pool)) | |
1155 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
1156 | ||
1157 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
1158 | return (-1); | |
1159 | ||
b128c09f | 1160 | if (props) { |
572e2857 BB |
1161 | prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; |
1162 | ||
b128c09f | 1163 | if ((zc_props = zpool_valid_proplist(hdl, pool, props, |
572e2857 | 1164 | SPA_VERSION_1, flags, msg)) == NULL) { |
b128c09f BB |
1165 | goto create_failed; |
1166 | } | |
1167 | } | |
34dc7c2f | 1168 | |
b128c09f BB |
1169 | if (fsprops) { |
1170 | uint64_t zoned; | |
1171 | char *zonestr; | |
1172 | ||
1173 | zoned = ((nvlist_lookup_string(fsprops, | |
1174 | zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && | |
1175 | strcmp(zonestr, "on") == 0); | |
1176 | ||
1177 | if ((zc_fsprops = zfs_valid_proplist(hdl, | |
1178 | ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { | |
1179 | goto create_failed; | |
1180 | } | |
1181 | if (!zc_props && | |
1182 | (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { | |
1183 | goto create_failed; | |
1184 | } | |
1185 | if (nvlist_add_nvlist(zc_props, | |
1186 | ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { | |
1187 | goto create_failed; | |
1188 | } | |
34dc7c2f BB |
1189 | } |
1190 | ||
b128c09f BB |
1191 | if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) |
1192 | goto create_failed; | |
1193 | ||
34dc7c2f BB |
1194 | (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); |
1195 | ||
b128c09f | 1196 | if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { |
34dc7c2f BB |
1197 | |
1198 | zcmd_free_nvlists(&zc); | |
b128c09f BB |
1199 | nvlist_free(zc_props); |
1200 | nvlist_free(zc_fsprops); | |
34dc7c2f BB |
1201 | |
1202 | switch (errno) { | |
1203 | case EBUSY: | |
1204 | /* | |
1205 | * This can happen if the user has specified the same | |
1206 | * device multiple times. We can't reliably detect this | |
1207 | * until we try to add it and see we already have a | |
d603ed6c BB |
1208 | * label. This can also happen under if the device is |
1209 | * part of an active md or lvm device. | |
34dc7c2f BB |
1210 | */ |
1211 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
d603ed6c BB |
1212 | "one or more vdevs refer to the same device, or one of\n" |
1213 | "the devices is part of an active md or lvm device")); | |
34dc7c2f BB |
1214 | return (zfs_error(hdl, EZFS_BADDEV, msg)); |
1215 | ||
1216 | case EOVERFLOW: | |
1217 | /* | |
1218 | * This occurs when one of the devices is below | |
1219 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1220 | * device was the problem device since there's no | |
1221 | * reliable way to determine device size from userland. | |
1222 | */ | |
1223 | { | |
1224 | char buf[64]; | |
1225 | ||
1226 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
1227 | ||
1228 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1229 | "one or more devices is less than the " | |
1230 | "minimum size (%s)"), buf); | |
1231 | } | |
1232 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1233 | ||
1234 | case ENOSPC: | |
1235 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1236 | "one or more devices is out of space")); | |
1237 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1238 | ||
1239 | case ENOTBLK: | |
1240 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1241 | "cache device must be a disk or disk slice")); | |
1242 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1243 | ||
1244 | default: | |
1245 | return (zpool_standard_error(hdl, errno, msg)); | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | /* | |
1250 | * If this is an alternate root pool, then we automatically set the | |
1251 | * mountpoint of the root dataset to be '/'. | |
1252 | */ | |
1253 | if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT), | |
1254 | &altroot) == 0) { | |
1255 | zfs_handle_t *zhp; | |
1256 | ||
1257 | verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL); | |
1258 | verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), | |
1259 | "/") == 0); | |
1260 | ||
1261 | zfs_close(zhp); | |
1262 | } | |
1263 | ||
b128c09f | 1264 | create_failed: |
34dc7c2f | 1265 | zcmd_free_nvlists(&zc); |
b128c09f BB |
1266 | nvlist_free(zc_props); |
1267 | nvlist_free(zc_fsprops); | |
1268 | return (ret); | |
34dc7c2f BB |
1269 | } |
1270 | ||
1271 | /* | |
1272 | * Destroy the given pool. It is up to the caller to ensure that there are no | |
1273 | * datasets left in the pool. | |
1274 | */ | |
1275 | int | |
6f1ffb06 | 1276 | zpool_destroy(zpool_handle_t *zhp, const char *log_str) |
34dc7c2f | 1277 | { |
6f1ffb06 | 1278 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
1279 | zfs_handle_t *zfp = NULL; |
1280 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1281 | char msg[1024]; | |
1282 | ||
1283 | if (zhp->zpool_state == POOL_STATE_ACTIVE && | |
572e2857 | 1284 | (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) |
34dc7c2f BB |
1285 | return (-1); |
1286 | ||
34dc7c2f | 1287 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
6f1ffb06 | 1288 | zc.zc_history = (uint64_t)(uintptr_t)log_str; |
34dc7c2f | 1289 | |
572e2857 | 1290 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { |
34dc7c2f BB |
1291 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1292 | "cannot destroy '%s'"), zhp->zpool_name); | |
1293 | ||
1294 | if (errno == EROFS) { | |
1295 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1296 | "one or more devices is read only")); | |
1297 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1298 | } else { | |
1299 | (void) zpool_standard_error(hdl, errno, msg); | |
1300 | } | |
1301 | ||
1302 | if (zfp) | |
1303 | zfs_close(zfp); | |
1304 | return (-1); | |
1305 | } | |
1306 | ||
1307 | if (zfp) { | |
1308 | remove_mountpoint(zfp); | |
1309 | zfs_close(zfp); | |
1310 | } | |
1311 | ||
1312 | return (0); | |
1313 | } | |
1314 | ||
1315 | /* | |
1316 | * Add the given vdevs to the pool. The caller must have already performed the | |
1317 | * necessary verification to ensure that the vdev specification is well-formed. | |
1318 | */ | |
1319 | int | |
1320 | zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) | |
1321 | { | |
6f1ffb06 | 1322 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
1323 | int ret; |
1324 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1325 | char msg[1024]; | |
1326 | nvlist_t **spares, **l2cache; | |
1327 | uint_t nspares, nl2cache; | |
1328 | ||
1329 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1330 | "cannot add to '%s'"), zhp->zpool_name); | |
1331 | ||
1332 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
1333 | SPA_VERSION_SPARES && | |
1334 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
1335 | &spares, &nspares) == 0) { | |
1336 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1337 | "upgraded to add hot spares")); | |
1338 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1339 | } | |
1340 | ||
c372b36e | 1341 | #if defined(__sun__) || defined(__sun) |
1bd201e7 | 1342 | if (zpool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot, |
b128c09f BB |
1343 | ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { |
1344 | uint64_t s; | |
1345 | ||
1346 | for (s = 0; s < nspares; s++) { | |
1347 | char *path; | |
1348 | ||
1349 | if (nvlist_lookup_string(spares[s], ZPOOL_CONFIG_PATH, | |
1350 | &path) == 0 && pool_uses_efi(spares[s])) { | |
1351 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1352 | "device '%s' contains an EFI label and " | |
1353 | "cannot be used on root pools."), | |
428870ff BB |
1354 | zpool_vdev_name(hdl, NULL, spares[s], |
1355 | B_FALSE)); | |
b128c09f BB |
1356 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); |
1357 | } | |
1358 | } | |
1359 | } | |
c372b36e | 1360 | #endif |
b128c09f | 1361 | |
34dc7c2f BB |
1362 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < |
1363 | SPA_VERSION_L2CACHE && | |
1364 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
1365 | &l2cache, &nl2cache) == 0) { | |
1366 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1367 | "upgraded to add cache devices")); | |
1368 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1369 | } | |
1370 | ||
1371 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
1372 | return (-1); | |
1373 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1374 | ||
572e2857 | 1375 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { |
34dc7c2f BB |
1376 | switch (errno) { |
1377 | case EBUSY: | |
1378 | /* | |
1379 | * This can happen if the user has specified the same | |
1380 | * device multiple times. We can't reliably detect this | |
1381 | * until we try to add it and see we already have a | |
1382 | * label. | |
1383 | */ | |
1384 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1385 | "one or more vdevs refer to the same device")); | |
1386 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1387 | break; | |
1388 | ||
1389 | case EOVERFLOW: | |
1390 | /* | |
1391 | * This occurrs when one of the devices is below | |
1392 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1393 | * device was the problem device since there's no | |
1394 | * reliable way to determine device size from userland. | |
1395 | */ | |
1396 | { | |
1397 | char buf[64]; | |
1398 | ||
1399 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
1400 | ||
1401 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1402 | "device is less than the minimum " | |
1403 | "size (%s)"), buf); | |
1404 | } | |
1405 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1406 | break; | |
1407 | ||
1408 | case ENOTSUP: | |
1409 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1410 | "pool must be upgraded to add these vdevs")); | |
1411 | (void) zfs_error(hdl, EZFS_BADVERSION, msg); | |
1412 | break; | |
1413 | ||
1414 | case EDOM: | |
1415 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1416 | "root pool can not have multiple vdevs" | |
1417 | " or separate logs")); | |
1418 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); | |
1419 | break; | |
1420 | ||
1421 | case ENOTBLK: | |
1422 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1423 | "cache device must be a disk or disk slice")); | |
1424 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1425 | break; | |
1426 | ||
1427 | default: | |
1428 | (void) zpool_standard_error(hdl, errno, msg); | |
1429 | } | |
1430 | ||
1431 | ret = -1; | |
1432 | } else { | |
1433 | ret = 0; | |
1434 | } | |
1435 | ||
1436 | zcmd_free_nvlists(&zc); | |
1437 | ||
1438 | return (ret); | |
1439 | } | |
1440 | ||
1441 | /* | |
1442 | * Exports the pool from the system. The caller must ensure that there are no | |
1443 | * mounted datasets in the pool. | |
1444 | */ | |
6f1ffb06 MA |
1445 | static int |
1446 | zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce, | |
1447 | const char *log_str) | |
34dc7c2f | 1448 | { |
6f1ffb06 | 1449 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
b128c09f | 1450 | char msg[1024]; |
34dc7c2f | 1451 | |
b128c09f BB |
1452 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1453 | "cannot export '%s'"), zhp->zpool_name); | |
1454 | ||
34dc7c2f | 1455 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f | 1456 | zc.zc_cookie = force; |
fb5f0bc8 | 1457 | zc.zc_guid = hardforce; |
6f1ffb06 | 1458 | zc.zc_history = (uint64_t)(uintptr_t)log_str; |
b128c09f BB |
1459 | |
1460 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { | |
1461 | switch (errno) { | |
1462 | case EXDEV: | |
1463 | zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, | |
1464 | "use '-f' to override the following errors:\n" | |
1465 | "'%s' has an active shared spare which could be" | |
1466 | " used by other pools once '%s' is exported."), | |
1467 | zhp->zpool_name, zhp->zpool_name); | |
1468 | return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, | |
1469 | msg)); | |
1470 | default: | |
1471 | return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, | |
1472 | msg)); | |
1473 | } | |
1474 | } | |
34dc7c2f | 1475 | |
34dc7c2f BB |
1476 | return (0); |
1477 | } | |
1478 | ||
fb5f0bc8 | 1479 | int |
6f1ffb06 | 1480 | zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str) |
fb5f0bc8 | 1481 | { |
6f1ffb06 | 1482 | return (zpool_export_common(zhp, force, B_FALSE, log_str)); |
fb5f0bc8 BB |
1483 | } |
1484 | ||
1485 | int | |
6f1ffb06 | 1486 | zpool_export_force(zpool_handle_t *zhp, const char *log_str) |
fb5f0bc8 | 1487 | { |
6f1ffb06 | 1488 | return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str)); |
fb5f0bc8 BB |
1489 | } |
1490 | ||
428870ff BB |
1491 | static void |
1492 | zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, | |
572e2857 | 1493 | nvlist_t *config) |
428870ff | 1494 | { |
572e2857 | 1495 | nvlist_t *nv = NULL; |
428870ff BB |
1496 | uint64_t rewindto; |
1497 | int64_t loss = -1; | |
1498 | struct tm t; | |
1499 | char timestr[128]; | |
1500 | ||
572e2857 BB |
1501 | if (!hdl->libzfs_printerr || config == NULL) |
1502 | return; | |
1503 | ||
9ae529ec CS |
1504 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || |
1505 | nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) { | |
428870ff | 1506 | return; |
9ae529ec | 1507 | } |
428870ff | 1508 | |
572e2857 | 1509 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) |
428870ff | 1510 | return; |
572e2857 | 1511 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
428870ff BB |
1512 | |
1513 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1514 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1515 | if (dryrun) { |
1516 | (void) printf(dgettext(TEXT_DOMAIN, | |
1517 | "Would be able to return %s " | |
1518 | "to its state as of %s.\n"), | |
1519 | name, timestr); | |
1520 | } else { | |
1521 | (void) printf(dgettext(TEXT_DOMAIN, | |
1522 | "Pool %s returned to its state as of %s.\n"), | |
1523 | name, timestr); | |
1524 | } | |
1525 | if (loss > 120) { | |
1526 | (void) printf(dgettext(TEXT_DOMAIN, | |
1527 | "%s approximately %lld "), | |
1528 | dryrun ? "Would discard" : "Discarded", | |
b8864a23 | 1529 | ((longlong_t)loss + 30) / 60); |
428870ff BB |
1530 | (void) printf(dgettext(TEXT_DOMAIN, |
1531 | "minutes of transactions.\n")); | |
1532 | } else if (loss > 0) { | |
1533 | (void) printf(dgettext(TEXT_DOMAIN, | |
1534 | "%s approximately %lld "), | |
b8864a23 BB |
1535 | dryrun ? "Would discard" : "Discarded", |
1536 | (longlong_t)loss); | |
428870ff BB |
1537 | (void) printf(dgettext(TEXT_DOMAIN, |
1538 | "seconds of transactions.\n")); | |
1539 | } | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | void | |
1544 | zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, | |
1545 | nvlist_t *config) | |
1546 | { | |
572e2857 | 1547 | nvlist_t *nv = NULL; |
428870ff BB |
1548 | int64_t loss = -1; |
1549 | uint64_t edata = UINT64_MAX; | |
1550 | uint64_t rewindto; | |
1551 | struct tm t; | |
1552 | char timestr[128]; | |
1553 | ||
1554 | if (!hdl->libzfs_printerr) | |
1555 | return; | |
1556 | ||
1557 | if (reason >= 0) | |
1558 | (void) printf(dgettext(TEXT_DOMAIN, "action: ")); | |
1559 | else | |
1560 | (void) printf(dgettext(TEXT_DOMAIN, "\t")); | |
1561 | ||
1562 | /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ | |
572e2857 | 1563 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || |
9ae529ec | 1564 | nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 || |
572e2857 | 1565 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) |
428870ff BB |
1566 | goto no_info; |
1567 | ||
572e2857 BB |
1568 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
1569 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, | |
428870ff BB |
1570 | &edata); |
1571 | ||
1572 | (void) printf(dgettext(TEXT_DOMAIN, | |
1573 | "Recovery is possible, but will result in some data loss.\n")); | |
1574 | ||
1575 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1576 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1577 | (void) printf(dgettext(TEXT_DOMAIN, |
1578 | "\tReturning the pool to its state as of %s\n" | |
1579 | "\tshould correct the problem. "), | |
1580 | timestr); | |
1581 | } else { | |
1582 | (void) printf(dgettext(TEXT_DOMAIN, | |
1583 | "\tReverting the pool to an earlier state " | |
1584 | "should correct the problem.\n\t")); | |
1585 | } | |
1586 | ||
1587 | if (loss > 120) { | |
1588 | (void) printf(dgettext(TEXT_DOMAIN, | |
1589 | "Approximately %lld minutes of data\n" | |
b8864a23 BB |
1590 | "\tmust be discarded, irreversibly. "), |
1591 | ((longlong_t)loss + 30) / 60); | |
428870ff BB |
1592 | } else if (loss > 0) { |
1593 | (void) printf(dgettext(TEXT_DOMAIN, | |
1594 | "Approximately %lld seconds of data\n" | |
b8864a23 BB |
1595 | "\tmust be discarded, irreversibly. "), |
1596 | (longlong_t)loss); | |
428870ff BB |
1597 | } |
1598 | if (edata != 0 && edata != UINT64_MAX) { | |
1599 | if (edata == 1) { | |
1600 | (void) printf(dgettext(TEXT_DOMAIN, | |
1601 | "After rewind, at least\n" | |
1602 | "\tone persistent user-data error will remain. ")); | |
1603 | } else { | |
1604 | (void) printf(dgettext(TEXT_DOMAIN, | |
1605 | "After rewind, several\n" | |
1606 | "\tpersistent user-data errors will remain. ")); | |
1607 | } | |
1608 | } | |
1609 | (void) printf(dgettext(TEXT_DOMAIN, | |
1610 | "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), | |
1611 | reason >= 0 ? "clear" : "import", name); | |
1612 | ||
1613 | (void) printf(dgettext(TEXT_DOMAIN, | |
1614 | "A scrub of the pool\n" | |
1615 | "\tis strongly recommended after recovery.\n")); | |
1616 | return; | |
1617 | ||
1618 | no_info: | |
1619 | (void) printf(dgettext(TEXT_DOMAIN, | |
1620 | "Destroy and re-create the pool from\n\ta backup source.\n")); | |
1621 | } | |
1622 | ||
34dc7c2f BB |
1623 | /* |
1624 | * zpool_import() is a contracted interface. Should be kept the same | |
1625 | * if possible. | |
1626 | * | |
1627 | * Applications should use zpool_import_props() to import a pool with | |
1628 | * new properties value to be set. | |
1629 | */ | |
1630 | int | |
1631 | zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
1632 | char *altroot) | |
1633 | { | |
1634 | nvlist_t *props = NULL; | |
1635 | int ret; | |
1636 | ||
1637 | if (altroot != NULL) { | |
1638 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
1639 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1640 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1641 | newname)); | |
1642 | } | |
1643 | ||
1644 | if (nvlist_add_string(props, | |
fb5f0bc8 BB |
1645 | zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || |
1646 | nvlist_add_string(props, | |
1647 | zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { | |
34dc7c2f BB |
1648 | nvlist_free(props); |
1649 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1650 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1651 | newname)); | |
1652 | } | |
1653 | } | |
1654 | ||
572e2857 BB |
1655 | ret = zpool_import_props(hdl, config, newname, props, |
1656 | ZFS_IMPORT_NORMAL); | |
34dc7c2f BB |
1657 | if (props) |
1658 | nvlist_free(props); | |
1659 | return (ret); | |
1660 | } | |
1661 | ||
572e2857 BB |
1662 | static void |
1663 | print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, | |
1664 | int indent) | |
1665 | { | |
1666 | nvlist_t **child; | |
1667 | uint_t c, children; | |
1668 | char *vname; | |
1669 | uint64_t is_log = 0; | |
1670 | ||
1671 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, | |
1672 | &is_log); | |
1673 | ||
1674 | if (name != NULL) | |
1675 | (void) printf("\t%*s%s%s\n", indent, "", name, | |
1676 | is_log ? " [log]" : ""); | |
1677 | ||
1678 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1679 | &child, &children) != 0) | |
1680 | return; | |
1681 | ||
1682 | for (c = 0; c < children; c++) { | |
1683 | vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); | |
1684 | print_vdev_tree(hdl, vname, child[c], indent + 2); | |
1685 | free(vname); | |
1686 | } | |
1687 | } | |
1688 | ||
9ae529ec CS |
1689 | void |
1690 | zpool_print_unsup_feat(nvlist_t *config) | |
1691 | { | |
1692 | nvlist_t *nvinfo, *unsup_feat; | |
1693 | nvpair_t *nvp; | |
1694 | ||
1695 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == | |
1696 | 0); | |
1697 | verify(nvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT, | |
1698 | &unsup_feat) == 0); | |
1699 | ||
1700 | for (nvp = nvlist_next_nvpair(unsup_feat, NULL); nvp != NULL; | |
1701 | nvp = nvlist_next_nvpair(unsup_feat, nvp)) { | |
1702 | char *desc; | |
1703 | ||
1704 | verify(nvpair_type(nvp) == DATA_TYPE_STRING); | |
1705 | verify(nvpair_value_string(nvp, &desc) == 0); | |
1706 | ||
1707 | if (strlen(desc) > 0) | |
1708 | (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc); | |
1709 | else | |
1710 | (void) printf("\t%s\n", nvpair_name(nvp)); | |
1711 | } | |
1712 | } | |
1713 | ||
34dc7c2f BB |
1714 | /* |
1715 | * Import the given pool using the known configuration and a list of | |
1716 | * properties to be set. The configuration should have come from | |
1717 | * zpool_find_import(). The 'newname' parameters control whether the pool | |
1718 | * is imported with a different name. | |
1719 | */ | |
1720 | int | |
1721 | zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
572e2857 | 1722 | nvlist_t *props, int flags) |
34dc7c2f | 1723 | { |
6f1ffb06 | 1724 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
428870ff | 1725 | zpool_rewind_policy_t policy; |
572e2857 BB |
1726 | nvlist_t *nv = NULL; |
1727 | nvlist_t *nvinfo = NULL; | |
1728 | nvlist_t *missing = NULL; | |
34dc7c2f BB |
1729 | char *thename; |
1730 | char *origname; | |
1731 | int ret; | |
572e2857 | 1732 | int error = 0; |
34dc7c2f BB |
1733 | char errbuf[1024]; |
1734 | ||
1735 | verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, | |
1736 | &origname) == 0); | |
1737 | ||
1738 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1739 | "cannot import pool '%s'"), origname); | |
1740 | ||
1741 | if (newname != NULL) { | |
1742 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
1743 | return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1744 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1745 | newname)); | |
1746 | thename = (char *)newname; | |
1747 | } else { | |
1748 | thename = origname; | |
1749 | } | |
1750 | ||
1751 | if (props) { | |
1752 | uint64_t version; | |
572e2857 | 1753 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
34dc7c2f BB |
1754 | |
1755 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, | |
1756 | &version) == 0); | |
1757 | ||
b128c09f | 1758 | if ((props = zpool_valid_proplist(hdl, origname, |
572e2857 | 1759 | props, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
1760 | return (-1); |
1761 | } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { | |
1762 | nvlist_free(props); | |
1763 | return (-1); | |
1764 | } | |
1765 | } | |
1766 | ||
1767 | (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); | |
1768 | ||
1769 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, | |
1770 | &zc.zc_guid) == 0); | |
1771 | ||
1772 | if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { | |
1773 | nvlist_free(props); | |
1774 | return (-1); | |
1775 | } | |
572e2857 | 1776 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { |
428870ff BB |
1777 | nvlist_free(props); |
1778 | return (-1); | |
1779 | } | |
34dc7c2f | 1780 | |
572e2857 BB |
1781 | zc.zc_cookie = flags; |
1782 | while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && | |
1783 | errno == ENOMEM) { | |
1784 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
1785 | zcmd_free_nvlists(&zc); | |
1786 | return (-1); | |
1787 | } | |
1788 | } | |
1789 | if (ret != 0) | |
1790 | error = errno; | |
1791 | ||
1792 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); | |
1793 | zpool_get_rewind_policy(config, &policy); | |
1794 | ||
1795 | if (error) { | |
34dc7c2f | 1796 | char desc[1024]; |
428870ff | 1797 | |
428870ff BB |
1798 | /* |
1799 | * Dry-run failed, but we print out what success | |
1800 | * looks like if we found a best txg | |
1801 | */ | |
572e2857 | 1802 | if (policy.zrp_request & ZPOOL_TRY_REWIND) { |
428870ff | 1803 | zpool_rewind_exclaim(hdl, newname ? origname : thename, |
572e2857 BB |
1804 | B_TRUE, nv); |
1805 | nvlist_free(nv); | |
428870ff BB |
1806 | return (-1); |
1807 | } | |
1808 | ||
34dc7c2f BB |
1809 | if (newname == NULL) |
1810 | (void) snprintf(desc, sizeof (desc), | |
1811 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1812 | thename); | |
1813 | else | |
1814 | (void) snprintf(desc, sizeof (desc), | |
1815 | dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), | |
1816 | origname, thename); | |
1817 | ||
572e2857 | 1818 | switch (error) { |
34dc7c2f | 1819 | case ENOTSUP: |
9ae529ec CS |
1820 | if (nv != NULL && nvlist_lookup_nvlist(nv, |
1821 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
1822 | nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) { | |
1823 | (void) printf(dgettext(TEXT_DOMAIN, "This " | |
1824 | "pool uses the following feature(s) not " | |
1825 | "supported by this system:\n")); | |
1826 | zpool_print_unsup_feat(nv); | |
1827 | if (nvlist_exists(nvinfo, | |
1828 | ZPOOL_CONFIG_CAN_RDONLY)) { | |
1829 | (void) printf(dgettext(TEXT_DOMAIN, | |
1830 | "All unsupported features are only " | |
1831 | "required for writing to the pool." | |
1832 | "\nThe pool can be imported using " | |
1833 | "'-o readonly=on'.\n")); | |
1834 | } | |
1835 | } | |
34dc7c2f BB |
1836 | /* |
1837 | * Unsupported version. | |
1838 | */ | |
1839 | (void) zfs_error(hdl, EZFS_BADVERSION, desc); | |
1840 | break; | |
1841 | ||
1842 | case EINVAL: | |
1843 | (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); | |
1844 | break; | |
1845 | ||
428870ff BB |
1846 | case EROFS: |
1847 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1848 | "one or more devices is read only")); | |
1849 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
1850 | break; | |
1851 | ||
572e2857 BB |
1852 | case ENXIO: |
1853 | if (nv && nvlist_lookup_nvlist(nv, | |
1854 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
1855 | nvlist_lookup_nvlist(nvinfo, | |
1856 | ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { | |
1857 | (void) printf(dgettext(TEXT_DOMAIN, | |
1858 | "The devices below are missing, use " | |
1859 | "'-m' to import the pool anyway:\n")); | |
1860 | print_vdev_tree(hdl, NULL, missing, 2); | |
1861 | (void) printf("\n"); | |
1862 | } | |
1863 | (void) zpool_standard_error(hdl, error, desc); | |
1864 | break; | |
1865 | ||
1866 | case EEXIST: | |
1867 | (void) zpool_standard_error(hdl, error, desc); | |
1868 | break; | |
1869 | ||
abe5b8fb BB |
1870 | case EBUSY: |
1871 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1872 | "one or more devices are already in use\n")); | |
1873 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
1874 | break; | |
1875 | ||
34dc7c2f | 1876 | default: |
572e2857 | 1877 | (void) zpool_standard_error(hdl, error, desc); |
428870ff | 1878 | zpool_explain_recover(hdl, |
572e2857 | 1879 | newname ? origname : thename, -error, nv); |
428870ff | 1880 | break; |
34dc7c2f BB |
1881 | } |
1882 | ||
572e2857 | 1883 | nvlist_free(nv); |
34dc7c2f BB |
1884 | ret = -1; |
1885 | } else { | |
1886 | zpool_handle_t *zhp; | |
1887 | ||
1888 | /* | |
1889 | * This should never fail, but play it safe anyway. | |
1890 | */ | |
428870ff | 1891 | if (zpool_open_silent(hdl, thename, &zhp) != 0) |
34dc7c2f | 1892 | ret = -1; |
428870ff | 1893 | else if (zhp != NULL) |
34dc7c2f | 1894 | zpool_close(zhp); |
428870ff BB |
1895 | if (policy.zrp_request & |
1896 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
1897 | zpool_rewind_exclaim(hdl, newname ? origname : thename, | |
572e2857 | 1898 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); |
34dc7c2f | 1899 | } |
572e2857 | 1900 | nvlist_free(nv); |
428870ff | 1901 | return (0); |
34dc7c2f BB |
1902 | } |
1903 | ||
1904 | zcmd_free_nvlists(&zc); | |
1905 | nvlist_free(props); | |
1906 | ||
1907 | return (ret); | |
1908 | } | |
1909 | ||
1910 | /* | |
428870ff | 1911 | * Scan the pool. |
34dc7c2f BB |
1912 | */ |
1913 | int | |
428870ff | 1914 | zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) |
34dc7c2f | 1915 | { |
6f1ffb06 | 1916 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
1917 | char msg[1024]; |
1918 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1919 | ||
1920 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
428870ff | 1921 | zc.zc_cookie = func; |
34dc7c2f | 1922 | |
572e2857 | 1923 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || |
428870ff | 1924 | (errno == ENOENT && func != POOL_SCAN_NONE)) |
34dc7c2f BB |
1925 | return (0); |
1926 | ||
428870ff BB |
1927 | if (func == POOL_SCAN_SCRUB) { |
1928 | (void) snprintf(msg, sizeof (msg), | |
1929 | dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); | |
1930 | } else if (func == POOL_SCAN_NONE) { | |
1931 | (void) snprintf(msg, sizeof (msg), | |
1932 | dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), | |
1933 | zc.zc_name); | |
1934 | } else { | |
1935 | assert(!"unexpected result"); | |
1936 | } | |
34dc7c2f | 1937 | |
428870ff BB |
1938 | if (errno == EBUSY) { |
1939 | nvlist_t *nvroot; | |
1940 | pool_scan_stat_t *ps = NULL; | |
1941 | uint_t psc; | |
1942 | ||
1943 | verify(nvlist_lookup_nvlist(zhp->zpool_config, | |
1944 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
1945 | (void) nvlist_lookup_uint64_array(nvroot, | |
1946 | ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); | |
1947 | if (ps && ps->pss_func == POOL_SCAN_SCRUB) | |
1948 | return (zfs_error(hdl, EZFS_SCRUBBING, msg)); | |
1949 | else | |
1950 | return (zfs_error(hdl, EZFS_RESILVERING, msg)); | |
1951 | } else if (errno == ENOENT) { | |
1952 | return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); | |
1953 | } else { | |
34dc7c2f | 1954 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff BB |
1955 | } |
1956 | } | |
1957 | ||
34dc7c2f | 1958 | /* |
9babb374 BB |
1959 | * Find a vdev that matches the search criteria specified. We use the |
1960 | * the nvpair name to determine how we should look for the device. | |
34dc7c2f BB |
1961 | * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL |
1962 | * spare; but FALSE if its an INUSE spare. | |
1963 | */ | |
1964 | static nvlist_t * | |
9babb374 BB |
1965 | vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, |
1966 | boolean_t *l2cache, boolean_t *log) | |
34dc7c2f BB |
1967 | { |
1968 | uint_t c, children; | |
1969 | nvlist_t **child; | |
34dc7c2f | 1970 | nvlist_t *ret; |
b128c09f | 1971 | uint64_t is_log; |
9babb374 BB |
1972 | char *srchkey; |
1973 | nvpair_t *pair = nvlist_next_nvpair(search, NULL); | |
1974 | ||
1975 | /* Nothing to look for */ | |
1976 | if (search == NULL || pair == NULL) | |
1977 | return (NULL); | |
1978 | ||
1979 | /* Obtain the key we will use to search */ | |
1980 | srchkey = nvpair_name(pair); | |
1981 | ||
1982 | switch (nvpair_type(pair)) { | |
572e2857 | 1983 | case DATA_TYPE_UINT64: |
9babb374 | 1984 | if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { |
572e2857 BB |
1985 | uint64_t srchval, theguid; |
1986 | ||
1987 | verify(nvpair_value_uint64(pair, &srchval) == 0); | |
1988 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
1989 | &theguid) == 0); | |
1990 | if (theguid == srchval) | |
1991 | return (nv); | |
9babb374 BB |
1992 | } |
1993 | break; | |
9babb374 BB |
1994 | |
1995 | case DATA_TYPE_STRING: { | |
1996 | char *srchval, *val; | |
1997 | ||
1998 | verify(nvpair_value_string(pair, &srchval) == 0); | |
1999 | if (nvlist_lookup_string(nv, srchkey, &val) != 0) | |
2000 | break; | |
34dc7c2f | 2001 | |
9babb374 | 2002 | /* |
428870ff BB |
2003 | * Search for the requested value. Special cases: |
2004 | * | |
eac47204 BB |
2005 | * - ZPOOL_CONFIG_PATH for whole disk entries. These end in |
2006 | * "-part1", or "p1". The suffix is hidden from the user, | |
2007 | * but included in the string, so this matches around it. | |
2008 | * - ZPOOL_CONFIG_PATH for short names zfs_strcmp_shortname() | |
2009 | * is used to check all possible expanded paths. | |
428870ff BB |
2010 | * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). |
2011 | * | |
2012 | * Otherwise, all other searches are simple string compares. | |
9babb374 | 2013 | */ |
a2c6816c | 2014 | if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0) { |
9babb374 BB |
2015 | uint64_t wholedisk = 0; |
2016 | ||
2017 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
2018 | &wholedisk); | |
eac47204 BB |
2019 | if (zfs_strcmp_pathname(srchval, val, wholedisk) == 0) |
2020 | return (nv); | |
428870ff | 2021 | |
428870ff BB |
2022 | } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { |
2023 | char *type, *idx, *end, *p; | |
2024 | uint64_t id, vdev_id; | |
2025 | ||
2026 | /* | |
2027 | * Determine our vdev type, keeping in mind | |
2028 | * that the srchval is composed of a type and | |
2029 | * vdev id pair (i.e. mirror-4). | |
2030 | */ | |
2031 | if ((type = strdup(srchval)) == NULL) | |
2032 | return (NULL); | |
2033 | ||
2034 | if ((p = strrchr(type, '-')) == NULL) { | |
2035 | free(type); | |
2036 | break; | |
2037 | } | |
2038 | idx = p + 1; | |
2039 | *p = '\0'; | |
2040 | ||
2041 | /* | |
2042 | * If the types don't match then keep looking. | |
2043 | */ | |
2044 | if (strncmp(val, type, strlen(val)) != 0) { | |
2045 | free(type); | |
2046 | break; | |
2047 | } | |
2048 | ||
2049 | verify(strncmp(type, VDEV_TYPE_RAIDZ, | |
2050 | strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
2051 | strncmp(type, VDEV_TYPE_MIRROR, | |
2052 | strlen(VDEV_TYPE_MIRROR)) == 0); | |
2053 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
2054 | &id) == 0); | |
2055 | ||
2056 | errno = 0; | |
2057 | vdev_id = strtoull(idx, &end, 10); | |
2058 | ||
2059 | free(type); | |
2060 | if (errno != 0) | |
2061 | return (NULL); | |
2062 | ||
2063 | /* | |
2064 | * Now verify that we have the correct vdev id. | |
2065 | */ | |
2066 | if (vdev_id == id) | |
2067 | return (nv); | |
9babb374 | 2068 | } |
34dc7c2f | 2069 | |
34dc7c2f | 2070 | /* |
9babb374 | 2071 | * Common case |
34dc7c2f | 2072 | */ |
9babb374 | 2073 | if (strcmp(srchval, val) == 0) |
34dc7c2f | 2074 | return (nv); |
9babb374 BB |
2075 | break; |
2076 | } | |
2077 | ||
2078 | default: | |
2079 | break; | |
34dc7c2f BB |
2080 | } |
2081 | ||
2082 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
2083 | &child, &children) != 0) | |
2084 | return (NULL); | |
2085 | ||
b128c09f | 2086 | for (c = 0; c < children; c++) { |
9babb374 | 2087 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f BB |
2088 | avail_spare, l2cache, NULL)) != NULL) { |
2089 | /* | |
2090 | * The 'is_log' value is only set for the toplevel | |
2091 | * vdev, not the leaf vdevs. So we always lookup the | |
2092 | * log device from the root of the vdev tree (where | |
2093 | * 'log' is non-NULL). | |
2094 | */ | |
2095 | if (log != NULL && | |
2096 | nvlist_lookup_uint64(child[c], | |
2097 | ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && | |
2098 | is_log) { | |
2099 | *log = B_TRUE; | |
2100 | } | |
34dc7c2f | 2101 | return (ret); |
b128c09f BB |
2102 | } |
2103 | } | |
34dc7c2f BB |
2104 | |
2105 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
2106 | &child, &children) == 0) { | |
2107 | for (c = 0; c < children; c++) { | |
9babb374 | 2108 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 2109 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
2110 | *avail_spare = B_TRUE; |
2111 | return (ret); | |
2112 | } | |
2113 | } | |
2114 | } | |
2115 | ||
2116 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
2117 | &child, &children) == 0) { | |
2118 | for (c = 0; c < children; c++) { | |
9babb374 | 2119 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 2120 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
2121 | *l2cache = B_TRUE; |
2122 | return (ret); | |
2123 | } | |
2124 | } | |
2125 | } | |
2126 | ||
2127 | return (NULL); | |
2128 | } | |
2129 | ||
9babb374 BB |
2130 | /* |
2131 | * Given a physical path (minus the "/devices" prefix), find the | |
2132 | * associated vdev. | |
2133 | */ | |
2134 | nvlist_t * | |
2135 | zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, | |
2136 | boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) | |
2137 | { | |
2138 | nvlist_t *search, *nvroot, *ret; | |
2139 | ||
2140 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
2141 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); | |
2142 | ||
2143 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
2144 | &nvroot) == 0); | |
2145 | ||
2146 | *avail_spare = B_FALSE; | |
572e2857 BB |
2147 | *l2cache = B_FALSE; |
2148 | if (log != NULL) | |
2149 | *log = B_FALSE; | |
9babb374 BB |
2150 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
2151 | nvlist_free(search); | |
2152 | ||
2153 | return (ret); | |
2154 | } | |
2155 | ||
428870ff BB |
2156 | /* |
2157 | * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). | |
2158 | */ | |
2159 | boolean_t | |
2160 | zpool_vdev_is_interior(const char *name) | |
2161 | { | |
2162 | if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
2163 | strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) | |
2164 | return (B_TRUE); | |
2165 | return (B_FALSE); | |
2166 | } | |
2167 | ||
34dc7c2f BB |
2168 | nvlist_t * |
2169 | zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, | |
b128c09f | 2170 | boolean_t *l2cache, boolean_t *log) |
34dc7c2f | 2171 | { |
34dc7c2f | 2172 | char *end; |
9babb374 | 2173 | nvlist_t *nvroot, *search, *ret; |
34dc7c2f BB |
2174 | uint64_t guid; |
2175 | ||
9babb374 BB |
2176 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
2177 | ||
34dc7c2f BB |
2178 | guid = strtoull(path, &end, 10); |
2179 | if (guid != 0 && *end == '\0') { | |
9babb374 | 2180 | verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); |
428870ff BB |
2181 | } else if (zpool_vdev_is_interior(path)) { |
2182 | verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); | |
34dc7c2f | 2183 | } else { |
9babb374 | 2184 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); |
34dc7c2f BB |
2185 | } |
2186 | ||
2187 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
2188 | &nvroot) == 0); | |
2189 | ||
2190 | *avail_spare = B_FALSE; | |
2191 | *l2cache = B_FALSE; | |
b128c09f BB |
2192 | if (log != NULL) |
2193 | *log = B_FALSE; | |
9babb374 BB |
2194 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
2195 | nvlist_free(search); | |
2196 | ||
2197 | return (ret); | |
b128c09f BB |
2198 | } |
2199 | ||
2200 | static int | |
2201 | vdev_online(nvlist_t *nv) | |
2202 | { | |
2203 | uint64_t ival; | |
2204 | ||
2205 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || | |
2206 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || | |
2207 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) | |
2208 | return (0); | |
2209 | ||
2210 | return (1); | |
2211 | } | |
2212 | ||
2213 | /* | |
9babb374 | 2214 | * Helper function for zpool_get_physpaths(). |
b128c09f | 2215 | */ |
9babb374 BB |
2216 | static int |
2217 | vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, | |
2218 | size_t *bytes_written) | |
2219 | { | |
2220 | size_t bytes_left, pos, rsz; | |
2221 | char *tmppath; | |
2222 | const char *format; | |
2223 | ||
2224 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, | |
2225 | &tmppath) != 0) | |
2226 | return (EZFS_NODEVICE); | |
2227 | ||
2228 | pos = *bytes_written; | |
2229 | bytes_left = physpath_size - pos; | |
2230 | format = (pos == 0) ? "%s" : " %s"; | |
2231 | ||
2232 | rsz = snprintf(physpath + pos, bytes_left, format, tmppath); | |
2233 | *bytes_written += rsz; | |
2234 | ||
2235 | if (rsz >= bytes_left) { | |
2236 | /* if physpath was not copied properly, clear it */ | |
2237 | if (bytes_left != 0) { | |
2238 | physpath[pos] = 0; | |
2239 | } | |
2240 | return (EZFS_NOSPC); | |
2241 | } | |
2242 | return (0); | |
2243 | } | |
2244 | ||
2245 | static int | |
2246 | vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, | |
2247 | size_t *rsz, boolean_t is_spare) | |
2248 | { | |
2249 | char *type; | |
2250 | int ret; | |
2251 | ||
2252 | if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) | |
2253 | return (EZFS_INVALCONFIG); | |
2254 | ||
2255 | if (strcmp(type, VDEV_TYPE_DISK) == 0) { | |
2256 | /* | |
2257 | * An active spare device has ZPOOL_CONFIG_IS_SPARE set. | |
2258 | * For a spare vdev, we only want to boot from the active | |
2259 | * spare device. | |
2260 | */ | |
2261 | if (is_spare) { | |
2262 | uint64_t spare = 0; | |
2263 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, | |
2264 | &spare); | |
2265 | if (!spare) | |
2266 | return (EZFS_INVALCONFIG); | |
2267 | } | |
2268 | ||
2269 | if (vdev_online(nv)) { | |
2270 | if ((ret = vdev_get_one_physpath(nv, physpath, | |
2271 | phypath_size, rsz)) != 0) | |
2272 | return (ret); | |
2273 | } | |
2274 | } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || | |
2275 | strcmp(type, VDEV_TYPE_REPLACING) == 0 || | |
2276 | (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { | |
2277 | nvlist_t **child; | |
2278 | uint_t count; | |
2279 | int i, ret; | |
2280 | ||
2281 | if (nvlist_lookup_nvlist_array(nv, | |
2282 | ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) | |
2283 | return (EZFS_INVALCONFIG); | |
2284 | ||
2285 | for (i = 0; i < count; i++) { | |
2286 | ret = vdev_get_physpaths(child[i], physpath, | |
2287 | phypath_size, rsz, is_spare); | |
2288 | if (ret == EZFS_NOSPC) | |
2289 | return (ret); | |
2290 | } | |
2291 | } | |
2292 | ||
2293 | return (EZFS_POOL_INVALARG); | |
2294 | } | |
2295 | ||
2296 | /* | |
2297 | * Get phys_path for a root pool config. | |
2298 | * Return 0 on success; non-zero on failure. | |
2299 | */ | |
2300 | static int | |
2301 | zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) | |
b128c09f | 2302 | { |
9babb374 | 2303 | size_t rsz; |
b128c09f BB |
2304 | nvlist_t *vdev_root; |
2305 | nvlist_t **child; | |
2306 | uint_t count; | |
9babb374 | 2307 | char *type; |
b128c09f | 2308 | |
9babb374 | 2309 | rsz = 0; |
b128c09f | 2310 | |
9babb374 BB |
2311 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
2312 | &vdev_root) != 0) | |
2313 | return (EZFS_INVALCONFIG); | |
b128c09f | 2314 | |
9babb374 BB |
2315 | if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || |
2316 | nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, | |
b128c09f | 2317 | &child, &count) != 0) |
9babb374 | 2318 | return (EZFS_INVALCONFIG); |
b128c09f | 2319 | |
c372b36e | 2320 | #if defined(__sun__) || defined(__sun) |
9babb374 BB |
2321 | /* |
2322 | * root pool can not have EFI labeled disks and can only have | |
2323 | * a single top-level vdev. | |
2324 | */ | |
2325 | if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 || | |
2326 | pool_uses_efi(vdev_root)) | |
2327 | return (EZFS_POOL_INVALARG); | |
c372b36e | 2328 | #endif |
b128c09f | 2329 | |
9babb374 BB |
2330 | (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, |
2331 | B_FALSE); | |
2332 | ||
2333 | /* No online devices */ | |
2334 | if (rsz == 0) | |
2335 | return (EZFS_NODEVICE); | |
b128c09f BB |
2336 | |
2337 | return (0); | |
34dc7c2f BB |
2338 | } |
2339 | ||
9babb374 BB |
2340 | /* |
2341 | * Get phys_path for a root pool | |
2342 | * Return 0 on success; non-zero on failure. | |
2343 | */ | |
2344 | int | |
2345 | zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) | |
2346 | { | |
2347 | return (zpool_get_config_physpath(zhp->zpool_config, physpath, | |
2348 | phypath_size)); | |
2349 | } | |
2350 | ||
9babb374 BB |
2351 | /* |
2352 | * If the device has being dynamically expanded then we need to relabel | |
2353 | * the disk to use the new unallocated space. | |
2354 | */ | |
2355 | static int | |
8adf4864 | 2356 | zpool_relabel_disk(libzfs_handle_t *hdl, const char *path, const char *msg) |
9babb374 | 2357 | { |
9babb374 | 2358 | int fd, error; |
9babb374 | 2359 | |
d603ed6c | 2360 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) { |
9babb374 | 2361 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
109491a8 | 2362 | "relabel '%s': unable to open device: %d"), path, errno); |
8adf4864 | 2363 | return (zfs_error(hdl, EZFS_OPENFAILED, msg)); |
9babb374 BB |
2364 | } |
2365 | ||
2366 | /* | |
2367 | * It's possible that we might encounter an error if the device | |
2368 | * does not have any unallocated space left. If so, we simply | |
2369 | * ignore that error and continue on. | |
b5a28807 ED |
2370 | * |
2371 | * Also, we don't call efi_rescan() - that would just return EBUSY. | |
2372 | * The module will do it for us in vdev_disk_open(). | |
9babb374 | 2373 | */ |
d603ed6c | 2374 | error = efi_use_whole_disk(fd); |
9babb374 BB |
2375 | (void) close(fd); |
2376 | if (error && error != VT_ENOSPC) { | |
2377 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " | |
d603ed6c | 2378 | "relabel '%s': unable to read disk capacity"), path); |
8adf4864 | 2379 | return (zfs_error(hdl, EZFS_NOCAP, msg)); |
9babb374 BB |
2380 | } |
2381 | return (0); | |
2382 | } | |
2383 | ||
34dc7c2f BB |
2384 | /* |
2385 | * Bring the specified vdev online. The 'flags' parameter is a set of the | |
2386 | * ZFS_ONLINE_* flags. | |
2387 | */ | |
2388 | int | |
2389 | zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, | |
2390 | vdev_state_t *newstate) | |
2391 | { | |
6f1ffb06 | 2392 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
2393 | char msg[1024]; |
2394 | nvlist_t *tgt; | |
9babb374 | 2395 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f | 2396 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
8adf4864 | 2397 | int error; |
34dc7c2f | 2398 | |
9babb374 BB |
2399 | if (flags & ZFS_ONLINE_EXPAND) { |
2400 | (void) snprintf(msg, sizeof (msg), | |
2401 | dgettext(TEXT_DOMAIN, "cannot expand %s"), path); | |
2402 | } else { | |
2403 | (void) snprintf(msg, sizeof (msg), | |
2404 | dgettext(TEXT_DOMAIN, "cannot online %s"), path); | |
2405 | } | |
34dc7c2f BB |
2406 | |
2407 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 2408 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
9babb374 | 2409 | &islog)) == NULL) |
34dc7c2f BB |
2410 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2411 | ||
2412 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2413 | ||
428870ff | 2414 | if (avail_spare) |
34dc7c2f BB |
2415 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2416 | ||
9babb374 BB |
2417 | if (flags & ZFS_ONLINE_EXPAND || |
2418 | zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { | |
9babb374 BB |
2419 | uint64_t wholedisk = 0; |
2420 | ||
2421 | (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, | |
2422 | &wholedisk); | |
9babb374 BB |
2423 | |
2424 | /* | |
2425 | * XXX - L2ARC 1.0 devices can't support expansion. | |
2426 | */ | |
2427 | if (l2cache) { | |
2428 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2429 | "cannot expand cache devices")); | |
2430 | return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); | |
2431 | } | |
2432 | ||
2433 | if (wholedisk) { | |
7608bd0d ED |
2434 | const char *fullpath = path; |
2435 | char buf[MAXPATHLEN]; | |
2436 | ||
2437 | if (path[0] != '/') { | |
2438 | error = zfs_resolve_shortname(path, buf, | |
2439 | sizeof(buf)); | |
2440 | if (error != 0) | |
2441 | return (zfs_error(hdl, EZFS_NODEVICE, | |
2442 | msg)); | |
2443 | ||
2444 | fullpath = buf; | |
2445 | } | |
2446 | ||
2447 | error = zpool_relabel_disk(hdl, fullpath, msg); | |
8adf4864 ED |
2448 | if (error != 0) |
2449 | return (error); | |
9babb374 BB |
2450 | } |
2451 | } | |
2452 | ||
34dc7c2f BB |
2453 | zc.zc_cookie = VDEV_STATE_ONLINE; |
2454 | zc.zc_obj = flags; | |
2455 | ||
572e2857 | 2456 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { |
428870ff BB |
2457 | if (errno == EINVAL) { |
2458 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " | |
2459 | "from this pool into a new one. Use '%s' " | |
2460 | "instead"), "zpool detach"); | |
2461 | return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); | |
2462 | } | |
34dc7c2f | 2463 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff | 2464 | } |
34dc7c2f BB |
2465 | |
2466 | *newstate = zc.zc_cookie; | |
2467 | return (0); | |
2468 | } | |
2469 | ||
2470 | /* | |
2471 | * Take the specified vdev offline | |
2472 | */ | |
2473 | int | |
2474 | zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) | |
2475 | { | |
6f1ffb06 | 2476 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
2477 | char msg[1024]; |
2478 | nvlist_t *tgt; | |
2479 | boolean_t avail_spare, l2cache; | |
2480 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2481 | ||
2482 | (void) snprintf(msg, sizeof (msg), | |
2483 | dgettext(TEXT_DOMAIN, "cannot offline %s"), path); | |
2484 | ||
2485 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2486 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2487 | NULL)) == NULL) | |
34dc7c2f BB |
2488 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2489 | ||
2490 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2491 | ||
428870ff | 2492 | if (avail_spare) |
34dc7c2f BB |
2493 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2494 | ||
34dc7c2f BB |
2495 | zc.zc_cookie = VDEV_STATE_OFFLINE; |
2496 | zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; | |
2497 | ||
572e2857 | 2498 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2499 | return (0); |
2500 | ||
2501 | switch (errno) { | |
2502 | case EBUSY: | |
2503 | ||
2504 | /* | |
2505 | * There are no other replicas of this device. | |
2506 | */ | |
2507 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2508 | ||
9babb374 BB |
2509 | case EEXIST: |
2510 | /* | |
2511 | * The log device has unplayed logs | |
2512 | */ | |
2513 | return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); | |
2514 | ||
34dc7c2f BB |
2515 | default: |
2516 | return (zpool_standard_error(hdl, errno, msg)); | |
2517 | } | |
2518 | } | |
2519 | ||
2520 | /* | |
2521 | * Mark the given vdev faulted. | |
2522 | */ | |
2523 | int | |
428870ff | 2524 | zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2525 | { |
6f1ffb06 | 2526 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
2527 | char msg[1024]; |
2528 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2529 | ||
2530 | (void) snprintf(msg, sizeof (msg), | |
b8864a23 | 2531 | dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2532 | |
2533 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2534 | zc.zc_guid = guid; | |
2535 | zc.zc_cookie = VDEV_STATE_FAULTED; | |
428870ff | 2536 | zc.zc_obj = aux; |
34dc7c2f | 2537 | |
572e2857 | 2538 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2539 | return (0); |
2540 | ||
2541 | switch (errno) { | |
2542 | case EBUSY: | |
2543 | ||
2544 | /* | |
2545 | * There are no other replicas of this device. | |
2546 | */ | |
2547 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2548 | ||
2549 | default: | |
2550 | return (zpool_standard_error(hdl, errno, msg)); | |
2551 | } | |
2552 | ||
2553 | } | |
2554 | ||
2555 | /* | |
2556 | * Mark the given vdev degraded. | |
2557 | */ | |
2558 | int | |
428870ff | 2559 | zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2560 | { |
6f1ffb06 | 2561 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
2562 | char msg[1024]; |
2563 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2564 | ||
2565 | (void) snprintf(msg, sizeof (msg), | |
b8864a23 | 2566 | dgettext(TEXT_DOMAIN, "cannot degrade %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2567 | |
2568 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2569 | zc.zc_guid = guid; | |
2570 | zc.zc_cookie = VDEV_STATE_DEGRADED; | |
428870ff | 2571 | zc.zc_obj = aux; |
34dc7c2f | 2572 | |
572e2857 | 2573 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2574 | return (0); |
2575 | ||
2576 | return (zpool_standard_error(hdl, errno, msg)); | |
2577 | } | |
2578 | ||
2579 | /* | |
2580 | * Returns TRUE if the given nvlist is a vdev that was originally swapped in as | |
2581 | * a hot spare. | |
2582 | */ | |
2583 | static boolean_t | |
2584 | is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) | |
2585 | { | |
2586 | nvlist_t **child; | |
2587 | uint_t c, children; | |
2588 | char *type; | |
2589 | ||
2590 | if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, | |
2591 | &children) == 0) { | |
2592 | verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, | |
2593 | &type) == 0); | |
2594 | ||
2595 | if (strcmp(type, VDEV_TYPE_SPARE) == 0 && | |
2596 | children == 2 && child[which] == tgt) | |
2597 | return (B_TRUE); | |
2598 | ||
2599 | for (c = 0; c < children; c++) | |
2600 | if (is_replacing_spare(child[c], tgt, which)) | |
2601 | return (B_TRUE); | |
2602 | } | |
2603 | ||
2604 | return (B_FALSE); | |
2605 | } | |
2606 | ||
2607 | /* | |
2608 | * Attach new_disk (fully described by nvroot) to old_disk. | |
2609 | * If 'replacing' is specified, the new disk will replace the old one. | |
2610 | */ | |
2611 | int | |
2612 | zpool_vdev_attach(zpool_handle_t *zhp, | |
2613 | const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) | |
2614 | { | |
6f1ffb06 | 2615 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
2616 | char msg[1024]; |
2617 | int ret; | |
2618 | nvlist_t *tgt; | |
b128c09f BB |
2619 | boolean_t avail_spare, l2cache, islog; |
2620 | uint64_t val; | |
572e2857 | 2621 | char *newname; |
34dc7c2f BB |
2622 | nvlist_t **child; |
2623 | uint_t children; | |
2624 | nvlist_t *config_root; | |
2625 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1bd201e7 | 2626 | boolean_t rootpool = zpool_is_bootable(zhp); |
34dc7c2f BB |
2627 | |
2628 | if (replacing) | |
2629 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2630 | "cannot replace %s with %s"), old_disk, new_disk); | |
2631 | else | |
2632 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2633 | "cannot attach %s to %s"), new_disk, old_disk); | |
2634 | ||
c372b36e | 2635 | #if defined(__sun__) || defined(__sun) |
b128c09f BB |
2636 | /* |
2637 | * If this is a root pool, make sure that we're not attaching an | |
2638 | * EFI labeled device. | |
2639 | */ | |
2640 | if (rootpool && pool_uses_efi(nvroot)) { | |
2641 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2642 | "EFI labeled devices are not supported on root pools.")); | |
2643 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); | |
2644 | } | |
c372b36e | 2645 | #endif |
b128c09f | 2646 | |
34dc7c2f | 2647 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f BB |
2648 | if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, |
2649 | &islog)) == 0) | |
34dc7c2f BB |
2650 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2651 | ||
2652 | if (avail_spare) | |
2653 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2654 | ||
2655 | if (l2cache) | |
2656 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2657 | ||
2658 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2659 | zc.zc_cookie = replacing; | |
2660 | ||
2661 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
2662 | &child, &children) != 0 || children != 1) { | |
2663 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2664 | "new device must be a single disk")); | |
2665 | return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); | |
2666 | } | |
2667 | ||
2668 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
2669 | ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); | |
2670 | ||
428870ff | 2671 | if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) |
b128c09f BB |
2672 | return (-1); |
2673 | ||
34dc7c2f BB |
2674 | /* |
2675 | * If the target is a hot spare that has been swapped in, we can only | |
2676 | * replace it with another hot spare. | |
2677 | */ | |
2678 | if (replacing && | |
2679 | nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && | |
b128c09f BB |
2680 | (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, |
2681 | NULL) == NULL || !avail_spare) && | |
2682 | is_replacing_spare(config_root, tgt, 1)) { | |
34dc7c2f BB |
2683 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2684 | "can only be replaced by another hot spare")); | |
b128c09f | 2685 | free(newname); |
34dc7c2f BB |
2686 | return (zfs_error(hdl, EZFS_BADTARGET, msg)); |
2687 | } | |
2688 | ||
b128c09f BB |
2689 | free(newname); |
2690 | ||
34dc7c2f BB |
2691 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) |
2692 | return (-1); | |
2693 | ||
572e2857 | 2694 | ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); |
34dc7c2f BB |
2695 | |
2696 | zcmd_free_nvlists(&zc); | |
2697 | ||
b128c09f BB |
2698 | if (ret == 0) { |
2699 | if (rootpool) { | |
9babb374 BB |
2700 | /* |
2701 | * XXX need a better way to prevent user from | |
2702 | * booting up a half-baked vdev. | |
2703 | */ | |
2704 | (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " | |
2705 | "sure to wait until resilver is done " | |
2706 | "before rebooting.\n")); | |
b128c09f | 2707 | } |
34dc7c2f | 2708 | return (0); |
b128c09f | 2709 | } |
34dc7c2f BB |
2710 | |
2711 | switch (errno) { | |
2712 | case ENOTSUP: | |
2713 | /* | |
2714 | * Can't attach to or replace this type of vdev. | |
2715 | */ | |
2716 | if (replacing) { | |
572e2857 BB |
2717 | uint64_t version = zpool_get_prop_int(zhp, |
2718 | ZPOOL_PROP_VERSION, NULL); | |
2719 | ||
b128c09f | 2720 | if (islog) |
34dc7c2f BB |
2721 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2722 | "cannot replace a log with a spare")); | |
572e2857 BB |
2723 | else if (version >= SPA_VERSION_MULTI_REPLACE) |
2724 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2725 | "already in replacing/spare config; wait " | |
2726 | "for completion or use 'zpool detach'")); | |
34dc7c2f BB |
2727 | else |
2728 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2729 | "cannot replace a replacing device")); | |
2730 | } else { | |
2731 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2732 | "can only attach to mirrors and top-level " | |
2733 | "disks")); | |
2734 | } | |
2735 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); | |
2736 | break; | |
2737 | ||
2738 | case EINVAL: | |
2739 | /* | |
2740 | * The new device must be a single disk. | |
2741 | */ | |
2742 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2743 | "new device must be a single disk")); | |
2744 | (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2745 | break; | |
2746 | ||
2747 | case EBUSY: | |
2748 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), | |
2749 | new_disk); | |
2750 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2751 | break; | |
2752 | ||
2753 | case EOVERFLOW: | |
2754 | /* | |
2755 | * The new device is too small. | |
2756 | */ | |
2757 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2758 | "device is too small")); | |
2759 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2760 | break; | |
2761 | ||
2762 | case EDOM: | |
2763 | /* | |
2764 | * The new device has a different alignment requirement. | |
2765 | */ | |
2766 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2767 | "devices have different sector alignment")); | |
2768 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2769 | break; | |
2770 | ||
2771 | case ENAMETOOLONG: | |
2772 | /* | |
2773 | * The resulting top-level vdev spec won't fit in the label. | |
2774 | */ | |
2775 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); | |
2776 | break; | |
2777 | ||
2778 | default: | |
2779 | (void) zpool_standard_error(hdl, errno, msg); | |
2780 | } | |
2781 | ||
2782 | return (-1); | |
2783 | } | |
2784 | ||
2785 | /* | |
2786 | * Detach the specified device. | |
2787 | */ | |
2788 | int | |
2789 | zpool_vdev_detach(zpool_handle_t *zhp, const char *path) | |
2790 | { | |
6f1ffb06 | 2791 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
2792 | char msg[1024]; |
2793 | nvlist_t *tgt; | |
2794 | boolean_t avail_spare, l2cache; | |
2795 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2796 | ||
2797 | (void) snprintf(msg, sizeof (msg), | |
2798 | dgettext(TEXT_DOMAIN, "cannot detach %s"), path); | |
2799 | ||
2800 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2801 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2802 | NULL)) == 0) | |
34dc7c2f BB |
2803 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2804 | ||
2805 | if (avail_spare) | |
2806 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2807 | ||
2808 | if (l2cache) | |
2809 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2810 | ||
2811 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2812 | ||
2813 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) | |
2814 | return (0); | |
2815 | ||
2816 | switch (errno) { | |
2817 | ||
2818 | case ENOTSUP: | |
2819 | /* | |
2820 | * Can't detach from this type of vdev. | |
2821 | */ | |
2822 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " | |
2823 | "applicable to mirror and replacing vdevs")); | |
572e2857 | 2824 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); |
34dc7c2f BB |
2825 | break; |
2826 | ||
2827 | case EBUSY: | |
2828 | /* | |
2829 | * There are no other replicas of this device. | |
2830 | */ | |
2831 | (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); | |
2832 | break; | |
2833 | ||
2834 | default: | |
2835 | (void) zpool_standard_error(hdl, errno, msg); | |
2836 | } | |
2837 | ||
2838 | return (-1); | |
2839 | } | |
2840 | ||
428870ff BB |
2841 | /* |
2842 | * Find a mirror vdev in the source nvlist. | |
2843 | * | |
2844 | * The mchild array contains a list of disks in one of the top-level mirrors | |
2845 | * of the source pool. The schild array contains a list of disks that the | |
2846 | * user specified on the command line. We loop over the mchild array to | |
2847 | * see if any entry in the schild array matches. | |
2848 | * | |
2849 | * If a disk in the mchild array is found in the schild array, we return | |
2850 | * the index of that entry. Otherwise we return -1. | |
2851 | */ | |
2852 | static int | |
2853 | find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, | |
2854 | nvlist_t **schild, uint_t schildren) | |
2855 | { | |
2856 | uint_t mc; | |
2857 | ||
2858 | for (mc = 0; mc < mchildren; mc++) { | |
2859 | uint_t sc; | |
2860 | char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2861 | mchild[mc], B_FALSE); | |
2862 | ||
2863 | for (sc = 0; sc < schildren; sc++) { | |
2864 | char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2865 | schild[sc], B_FALSE); | |
2866 | boolean_t result = (strcmp(mpath, spath) == 0); | |
2867 | ||
2868 | free(spath); | |
2869 | if (result) { | |
2870 | free(mpath); | |
2871 | return (mc); | |
2872 | } | |
2873 | } | |
2874 | ||
2875 | free(mpath); | |
2876 | } | |
2877 | ||
2878 | return (-1); | |
2879 | } | |
2880 | ||
2881 | /* | |
2882 | * Split a mirror pool. If newroot points to null, then a new nvlist | |
2883 | * is generated and it is the responsibility of the caller to free it. | |
2884 | */ | |
2885 | int | |
2886 | zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, | |
2887 | nvlist_t *props, splitflags_t flags) | |
2888 | { | |
6f1ffb06 | 2889 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
428870ff BB |
2890 | char msg[1024]; |
2891 | nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; | |
2892 | nvlist_t **varray = NULL, *zc_props = NULL; | |
2893 | uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; | |
2894 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2895 | uint64_t vers; | |
2896 | boolean_t freelist = B_FALSE, memory_err = B_TRUE; | |
2897 | int retval = 0; | |
2898 | ||
2899 | (void) snprintf(msg, sizeof (msg), | |
2900 | dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); | |
2901 | ||
2902 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
2903 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
2904 | ||
2905 | if ((config = zpool_get_config(zhp, NULL)) == NULL) { | |
2906 | (void) fprintf(stderr, gettext("Internal error: unable to " | |
2907 | "retrieve pool configuration\n")); | |
2908 | return (-1); | |
2909 | } | |
2910 | ||
2911 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) | |
2912 | == 0); | |
2913 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); | |
2914 | ||
2915 | if (props) { | |
572e2857 | 2916 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
428870ff | 2917 | if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, |
572e2857 | 2918 | props, vers, flags, msg)) == NULL) |
428870ff BB |
2919 | return (-1); |
2920 | } | |
2921 | ||
2922 | if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, | |
2923 | &children) != 0) { | |
2924 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2925 | "Source pool is missing vdev tree")); | |
2926 | if (zc_props) | |
2927 | nvlist_free(zc_props); | |
2928 | return (-1); | |
2929 | } | |
2930 | ||
2931 | varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); | |
2932 | vcount = 0; | |
2933 | ||
2934 | if (*newroot == NULL || | |
2935 | nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, | |
2936 | &newchild, &newchildren) != 0) | |
2937 | newchildren = 0; | |
2938 | ||
2939 | for (c = 0; c < children; c++) { | |
2940 | uint64_t is_log = B_FALSE, is_hole = B_FALSE; | |
2941 | char *type; | |
2942 | nvlist_t **mchild, *vdev; | |
2943 | uint_t mchildren; | |
2944 | int entry; | |
2945 | ||
2946 | /* | |
2947 | * Unlike cache & spares, slogs are stored in the | |
2948 | * ZPOOL_CONFIG_CHILDREN array. We filter them out here. | |
2949 | */ | |
2950 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, | |
2951 | &is_log); | |
2952 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, | |
2953 | &is_hole); | |
2954 | if (is_log || is_hole) { | |
2955 | /* | |
2956 | * Create a hole vdev and put it in the config. | |
2957 | */ | |
2958 | if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) | |
2959 | goto out; | |
2960 | if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, | |
2961 | VDEV_TYPE_HOLE) != 0) | |
2962 | goto out; | |
2963 | if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, | |
2964 | 1) != 0) | |
2965 | goto out; | |
2966 | if (lastlog == 0) | |
2967 | lastlog = vcount; | |
2968 | varray[vcount++] = vdev; | |
2969 | continue; | |
2970 | } | |
2971 | lastlog = 0; | |
2972 | verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) | |
2973 | == 0); | |
2974 | if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { | |
2975 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2976 | "Source pool must be composed only of mirrors\n")); | |
2977 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2978 | goto out; | |
2979 | } | |
2980 | ||
2981 | verify(nvlist_lookup_nvlist_array(child[c], | |
2982 | ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); | |
2983 | ||
2984 | /* find or add an entry for this top-level vdev */ | |
2985 | if (newchildren > 0 && | |
2986 | (entry = find_vdev_entry(zhp, mchild, mchildren, | |
2987 | newchild, newchildren)) >= 0) { | |
2988 | /* We found a disk that the user specified. */ | |
2989 | vdev = mchild[entry]; | |
2990 | ++found; | |
2991 | } else { | |
2992 | /* User didn't specify a disk for this vdev. */ | |
2993 | vdev = mchild[mchildren - 1]; | |
2994 | } | |
2995 | ||
2996 | if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) | |
2997 | goto out; | |
2998 | } | |
2999 | ||
3000 | /* did we find every disk the user specified? */ | |
3001 | if (found != newchildren) { | |
3002 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " | |
3003 | "include at most one disk from each mirror")); | |
3004 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
3005 | goto out; | |
3006 | } | |
3007 | ||
3008 | /* Prepare the nvlist for populating. */ | |
3009 | if (*newroot == NULL) { | |
3010 | if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) | |
3011 | goto out; | |
3012 | freelist = B_TRUE; | |
3013 | if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, | |
3014 | VDEV_TYPE_ROOT) != 0) | |
3015 | goto out; | |
3016 | } else { | |
3017 | verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); | |
3018 | } | |
3019 | ||
3020 | /* Add all the children we found */ | |
3021 | if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, | |
3022 | lastlog == 0 ? vcount : lastlog) != 0) | |
3023 | goto out; | |
3024 | ||
3025 | /* | |
3026 | * If we're just doing a dry run, exit now with success. | |
3027 | */ | |
3028 | if (flags.dryrun) { | |
3029 | memory_err = B_FALSE; | |
3030 | freelist = B_FALSE; | |
3031 | goto out; | |
3032 | } | |
3033 | ||
3034 | /* now build up the config list & call the ioctl */ | |
3035 | if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) | |
3036 | goto out; | |
3037 | ||
3038 | if (nvlist_add_nvlist(newconfig, | |
3039 | ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || | |
3040 | nvlist_add_string(newconfig, | |
3041 | ZPOOL_CONFIG_POOL_NAME, newname) != 0 || | |
3042 | nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) | |
3043 | goto out; | |
3044 | ||
3045 | /* | |
3046 | * The new pool is automatically part of the namespace unless we | |
3047 | * explicitly export it. | |
3048 | */ | |
3049 | if (!flags.import) | |
3050 | zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; | |
3051 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3052 | (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); | |
3053 | if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) | |
3054 | goto out; | |
3055 | if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) | |
3056 | goto out; | |
3057 | ||
3058 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { | |
3059 | retval = zpool_standard_error(hdl, errno, msg); | |
3060 | goto out; | |
3061 | } | |
3062 | ||
3063 | freelist = B_FALSE; | |
3064 | memory_err = B_FALSE; | |
3065 | ||
3066 | out: | |
3067 | if (varray != NULL) { | |
3068 | int v; | |
3069 | ||
3070 | for (v = 0; v < vcount; v++) | |
3071 | nvlist_free(varray[v]); | |
3072 | free(varray); | |
3073 | } | |
3074 | zcmd_free_nvlists(&zc); | |
3075 | if (zc_props) | |
3076 | nvlist_free(zc_props); | |
3077 | if (newconfig) | |
3078 | nvlist_free(newconfig); | |
3079 | if (freelist) { | |
3080 | nvlist_free(*newroot); | |
3081 | *newroot = NULL; | |
3082 | } | |
3083 | ||
3084 | if (retval != 0) | |
3085 | return (retval); | |
3086 | ||
3087 | if (memory_err) | |
3088 | return (no_memory(hdl)); | |
3089 | ||
3090 | return (0); | |
3091 | } | |
3092 | ||
34dc7c2f BB |
3093 | /* |
3094 | * Remove the given device. Currently, this is supported only for hot spares | |
3095 | * and level 2 cache devices. | |
3096 | */ | |
3097 | int | |
3098 | zpool_vdev_remove(zpool_handle_t *zhp, const char *path) | |
3099 | { | |
6f1ffb06 | 3100 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3101 | char msg[1024]; |
3102 | nvlist_t *tgt; | |
428870ff | 3103 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f | 3104 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
428870ff | 3105 | uint64_t version; |
34dc7c2f BB |
3106 | |
3107 | (void) snprintf(msg, sizeof (msg), | |
3108 | dgettext(TEXT_DOMAIN, "cannot remove %s"), path); | |
3109 | ||
3110 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 3111 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
428870ff | 3112 | &islog)) == 0) |
34dc7c2f | 3113 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
428870ff BB |
3114 | /* |
3115 | * XXX - this should just go away. | |
3116 | */ | |
3117 | if (!avail_spare && !l2cache && !islog) { | |
34dc7c2f | 3118 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
428870ff BB |
3119 | "only inactive hot spares, cache, top-level, " |
3120 | "or log devices can be removed")); | |
34dc7c2f BB |
3121 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
3122 | } | |
3123 | ||
428870ff BB |
3124 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); |
3125 | if (islog && version < SPA_VERSION_HOLES) { | |
3126 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3127 | "pool must be upgrade to support log removal")); | |
3128 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
3129 | } | |
3130 | ||
34dc7c2f BB |
3131 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); |
3132 | ||
3133 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) | |
3134 | return (0); | |
3135 | ||
3136 | return (zpool_standard_error(hdl, errno, msg)); | |
3137 | } | |
3138 | ||
3139 | /* | |
3140 | * Clear the errors for the pool, or the particular device if specified. | |
3141 | */ | |
3142 | int | |
428870ff | 3143 | zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) |
34dc7c2f | 3144 | { |
6f1ffb06 | 3145 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3146 | char msg[1024]; |
3147 | nvlist_t *tgt; | |
428870ff | 3148 | zpool_rewind_policy_t policy; |
34dc7c2f BB |
3149 | boolean_t avail_spare, l2cache; |
3150 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
428870ff | 3151 | nvlist_t *nvi = NULL; |
572e2857 | 3152 | int error; |
34dc7c2f BB |
3153 | |
3154 | if (path) | |
3155 | (void) snprintf(msg, sizeof (msg), | |
3156 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
3157 | path); | |
3158 | else | |
3159 | (void) snprintf(msg, sizeof (msg), | |
3160 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
3161 | zhp->zpool_name); | |
3162 | ||
3163 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3164 | if (path) { | |
3165 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, | |
b128c09f | 3166 | &l2cache, NULL)) == 0) |
34dc7c2f BB |
3167 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
3168 | ||
3169 | /* | |
3170 | * Don't allow error clearing for hot spares. Do allow | |
3171 | * error clearing for l2cache devices. | |
3172 | */ | |
3173 | if (avail_spare) | |
3174 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
3175 | ||
3176 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, | |
3177 | &zc.zc_guid) == 0); | |
3178 | } | |
3179 | ||
428870ff BB |
3180 | zpool_get_rewind_policy(rewindnvl, &policy); |
3181 | zc.zc_cookie = policy.zrp_request; | |
3182 | ||
572e2857 | 3183 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) |
428870ff BB |
3184 | return (-1); |
3185 | ||
572e2857 | 3186 | if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) |
428870ff BB |
3187 | return (-1); |
3188 | ||
572e2857 BB |
3189 | while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && |
3190 | errno == ENOMEM) { | |
3191 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
3192 | zcmd_free_nvlists(&zc); | |
3193 | return (-1); | |
3194 | } | |
3195 | } | |
3196 | ||
3197 | if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && | |
428870ff BB |
3198 | errno != EPERM && errno != EACCES)) { |
3199 | if (policy.zrp_request & | |
3200 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
3201 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); | |
3202 | zpool_rewind_exclaim(hdl, zc.zc_name, | |
3203 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), | |
3204 | nvi); | |
3205 | nvlist_free(nvi); | |
3206 | } | |
3207 | zcmd_free_nvlists(&zc); | |
34dc7c2f | 3208 | return (0); |
428870ff | 3209 | } |
34dc7c2f | 3210 | |
428870ff | 3211 | zcmd_free_nvlists(&zc); |
34dc7c2f BB |
3212 | return (zpool_standard_error(hdl, errno, msg)); |
3213 | } | |
3214 | ||
3215 | /* | |
3216 | * Similar to zpool_clear(), but takes a GUID (used by fmd). | |
3217 | */ | |
3218 | int | |
3219 | zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) | |
3220 | { | |
6f1ffb06 | 3221 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3222 | char msg[1024]; |
3223 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3224 | ||
3225 | (void) snprintf(msg, sizeof (msg), | |
3226 | dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), | |
b8864a23 | 3227 | (u_longlong_t)guid); |
34dc7c2f BB |
3228 | |
3229 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3230 | zc.zc_guid = guid; | |
428870ff | 3231 | zc.zc_cookie = ZPOOL_NO_REWIND; |
34dc7c2f BB |
3232 | |
3233 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) | |
3234 | return (0); | |
3235 | ||
3236 | return (zpool_standard_error(hdl, errno, msg)); | |
3237 | } | |
3238 | ||
3541dc6d GA |
3239 | /* |
3240 | * Change the GUID for a pool. | |
3241 | */ | |
3242 | int | |
3243 | zpool_reguid(zpool_handle_t *zhp) | |
3244 | { | |
3245 | char msg[1024]; | |
3246 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
6f1ffb06 | 3247 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
3541dc6d GA |
3248 | |
3249 | (void) snprintf(msg, sizeof (msg), | |
3250 | dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); | |
3251 | ||
3252 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3253 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) | |
3254 | return (0); | |
3255 | ||
3256 | return (zpool_standard_error(hdl, errno, msg)); | |
3257 | } | |
3258 | ||
1bd201e7 CS |
3259 | /* |
3260 | * Reopen the pool. | |
3261 | */ | |
3262 | int | |
3263 | zpool_reopen(zpool_handle_t *zhp) | |
3264 | { | |
6f1ffb06 | 3265 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
1bd201e7 CS |
3266 | char msg[1024]; |
3267 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3268 | ||
3269 | (void) snprintf(msg, sizeof (msg), | |
3270 | dgettext(TEXT_DOMAIN, "cannot reopen '%s'"), | |
3271 | zhp->zpool_name); | |
3272 | ||
3273 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3274 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_REOPEN, &zc) == 0) | |
3275 | return (0); | |
3276 | return (zpool_standard_error(hdl, errno, msg)); | |
3277 | } | |
3278 | ||
34dc7c2f BB |
3279 | /* |
3280 | * Convert from a devid string to a path. | |
3281 | */ | |
3282 | static char * | |
3283 | devid_to_path(char *devid_str) | |
3284 | { | |
3285 | ddi_devid_t devid; | |
3286 | char *minor; | |
3287 | char *path; | |
3288 | devid_nmlist_t *list = NULL; | |
3289 | int ret; | |
3290 | ||
3291 | if (devid_str_decode(devid_str, &devid, &minor) != 0) | |
3292 | return (NULL); | |
3293 | ||
3294 | ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); | |
3295 | ||
3296 | devid_str_free(minor); | |
3297 | devid_free(devid); | |
3298 | ||
3299 | if (ret != 0) | |
3300 | return (NULL); | |
3301 | ||
3302 | if ((path = strdup(list[0].devname)) == NULL) | |
3303 | return (NULL); | |
3304 | ||
3305 | devid_free_nmlist(list); | |
3306 | ||
3307 | return (path); | |
3308 | } | |
3309 | ||
3310 | /* | |
3311 | * Convert from a path to a devid string. | |
3312 | */ | |
3313 | static char * | |
3314 | path_to_devid(const char *path) | |
3315 | { | |
3316 | int fd; | |
3317 | ddi_devid_t devid; | |
3318 | char *minor, *ret; | |
3319 | ||
3320 | if ((fd = open(path, O_RDONLY)) < 0) | |
3321 | return (NULL); | |
3322 | ||
3323 | minor = NULL; | |
3324 | ret = NULL; | |
3325 | if (devid_get(fd, &devid) == 0) { | |
3326 | if (devid_get_minor_name(fd, &minor) == 0) | |
3327 | ret = devid_str_encode(devid, minor); | |
3328 | if (minor != NULL) | |
3329 | devid_str_free(minor); | |
3330 | devid_free(devid); | |
3331 | } | |
3332 | (void) close(fd); | |
3333 | ||
3334 | return (ret); | |
3335 | } | |
3336 | ||
3337 | /* | |
3338 | * Issue the necessary ioctl() to update the stored path value for the vdev. We | |
3339 | * ignore any failure here, since a common case is for an unprivileged user to | |
3340 | * type 'zpool status', and we'll display the correct information anyway. | |
3341 | */ | |
3342 | static void | |
3343 | set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) | |
3344 | { | |
6f1ffb06 | 3345 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3346 | |
3347 | (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3348 | (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); | |
3349 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3350 | &zc.zc_guid) == 0); | |
3351 | ||
3352 | (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); | |
3353 | } | |
3354 | ||
83c62c93 NB |
3355 | /* |
3356 | * Remove partition suffix from a vdev path. Partition suffixes may take three | |
3357 | * forms: "-partX", "pX", or "X", where X is a string of digits. The second | |
3358 | * case only occurs when the suffix is preceded by a digit, i.e. "md0p0" The | |
3359 | * third case only occurs when preceded by a string matching the regular | |
3360 | * expression "^[hs]d[a-z]+", i.e. a scsi or ide disk. | |
3361 | */ | |
3362 | static char * | |
3363 | strip_partition(libzfs_handle_t *hdl, char *path) | |
3364 | { | |
3365 | char *tmp = zfs_strdup(hdl, path); | |
3366 | char *part = NULL, *d = NULL; | |
3367 | ||
3368 | if ((part = strstr(tmp, "-part")) && part != tmp) { | |
3369 | d = part + 5; | |
3370 | } else if ((part = strrchr(tmp, 'p')) && | |
3371 | part > tmp + 1 && isdigit(*(part-1))) { | |
3372 | d = part + 1; | |
3373 | } else if ((tmp[0] == 'h' || tmp[0] == 's') && tmp[1] == 'd') { | |
3374 | for (d = &tmp[2]; isalpha(*d); part = ++d); | |
3375 | } | |
3376 | if (part && d && *d != '\0') { | |
3377 | for (; isdigit(*d); d++); | |
3378 | if (*d == '\0') | |
3379 | *part = '\0'; | |
3380 | } | |
3381 | return (tmp); | |
3382 | } | |
3383 | ||
858219cc NB |
3384 | #define PATH_BUF_LEN 64 |
3385 | ||
34dc7c2f BB |
3386 | /* |
3387 | * Given a vdev, return the name to display in iostat. If the vdev has a path, | |
3388 | * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. | |
3389 | * We also check if this is a whole disk, in which case we strip off the | |
3390 | * trailing 's0' slice name. | |
3391 | * | |
3392 | * This routine is also responsible for identifying when disks have been | |
3393 | * reconfigured in a new location. The kernel will have opened the device by | |
3394 | * devid, but the path will still refer to the old location. To catch this, we | |
3395 | * first do a path -> devid translation (which is fast for the common case). If | |
3396 | * the devid matches, we're done. If not, we do a reverse devid -> path | |
3397 | * translation and issue the appropriate ioctl() to update the path of the vdev. | |
3398 | * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any | |
3399 | * of these checks. | |
3400 | */ | |
3401 | char * | |
428870ff BB |
3402 | zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, |
3403 | boolean_t verbose) | |
34dc7c2f | 3404 | { |
d603ed6c | 3405 | char *path, *devid, *type; |
34dc7c2f | 3406 | uint64_t value; |
858219cc | 3407 | char buf[PATH_BUF_LEN]; |
fc24f7c8 | 3408 | char tmpbuf[PATH_BUF_LEN]; |
34dc7c2f BB |
3409 | vdev_stat_t *vs; |
3410 | uint_t vsc; | |
3411 | ||
3412 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, | |
3413 | &value) == 0) { | |
3414 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3415 | &value) == 0); | |
3416 | (void) snprintf(buf, sizeof (buf), "%llu", | |
3417 | (u_longlong_t)value); | |
3418 | path = buf; | |
3419 | } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { | |
34dc7c2f BB |
3420 | /* |
3421 | * If the device is dead (faulted, offline, etc) then don't | |
3422 | * bother opening it. Otherwise we may be forcing the user to | |
3423 | * open a misbehaving device, which can have undesirable | |
3424 | * effects. | |
3425 | */ | |
428870ff | 3426 | if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, |
34dc7c2f BB |
3427 | (uint64_t **)&vs, &vsc) != 0 || |
3428 | vs->vs_state >= VDEV_STATE_DEGRADED) && | |
3429 | zhp != NULL && | |
3430 | nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { | |
3431 | /* | |
3432 | * Determine if the current path is correct. | |
3433 | */ | |
3434 | char *newdevid = path_to_devid(path); | |
3435 | ||
3436 | if (newdevid == NULL || | |
3437 | strcmp(devid, newdevid) != 0) { | |
3438 | char *newpath; | |
3439 | ||
3440 | if ((newpath = devid_to_path(devid)) != NULL) { | |
3441 | /* | |
3442 | * Update the path appropriately. | |
3443 | */ | |
3444 | set_path(zhp, nv, newpath); | |
3445 | if (nvlist_add_string(nv, | |
3446 | ZPOOL_CONFIG_PATH, newpath) == 0) | |
3447 | verify(nvlist_lookup_string(nv, | |
3448 | ZPOOL_CONFIG_PATH, | |
3449 | &path) == 0); | |
3450 | free(newpath); | |
3451 | } | |
3452 | } | |
3453 | ||
3454 | if (newdevid) | |
3455 | devid_str_free(newdevid); | |
3456 | } | |
3457 | ||
d603ed6c BB |
3458 | /* |
3459 | * For a block device only use the name. | |
3460 | */ | |
3461 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); | |
3462 | if (strcmp(type, VDEV_TYPE_DISK) == 0) { | |
3463 | path = strrchr(path, '/'); | |
3464 | path++; | |
3465 | } | |
34dc7c2f | 3466 | |
d603ed6c | 3467 | /* |
83c62c93 | 3468 | * Remove the partition from the path it this is a whole disk. |
d603ed6c | 3469 | */ |
34dc7c2f BB |
3470 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, |
3471 | &value) == 0 && value) { | |
83c62c93 | 3472 | return strip_partition(hdl, path); |
34dc7c2f BB |
3473 | } |
3474 | } else { | |
3475 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); | |
3476 | ||
3477 | /* | |
3478 | * If it's a raidz device, we need to stick in the parity level. | |
3479 | */ | |
3480 | if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { | |
858219cc | 3481 | |
34dc7c2f BB |
3482 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, |
3483 | &value) == 0); | |
fc24f7c8 | 3484 | (void) snprintf(buf, sizeof (buf), "%s%llu", path, |
34dc7c2f | 3485 | (u_longlong_t)value); |
fc24f7c8 | 3486 | path = buf; |
34dc7c2f | 3487 | } |
428870ff BB |
3488 | |
3489 | /* | |
3490 | * We identify each top-level vdev by using a <type-id> | |
3491 | * naming convention. | |
3492 | */ | |
3493 | if (verbose) { | |
3494 | uint64_t id; | |
3495 | ||
3496 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
3497 | &id) == 0); | |
fc24f7c8 MM |
3498 | (void) snprintf(tmpbuf, sizeof (tmpbuf), "%s-%llu", |
3499 | path, (u_longlong_t)id); | |
3500 | path = tmpbuf; | |
428870ff | 3501 | } |
34dc7c2f BB |
3502 | } |
3503 | ||
3504 | return (zfs_strdup(hdl, path)); | |
3505 | } | |
3506 | ||
3507 | static int | |
3508 | zbookmark_compare(const void *a, const void *b) | |
3509 | { | |
3510 | return (memcmp(a, b, sizeof (zbookmark_t))); | |
3511 | } | |
3512 | ||
3513 | /* | |
3514 | * Retrieve the persistent error log, uniquify the members, and return to the | |
3515 | * caller. | |
3516 | */ | |
3517 | int | |
3518 | zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) | |
3519 | { | |
6f1ffb06 | 3520 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3521 | uint64_t count; |
3522 | zbookmark_t *zb = NULL; | |
3523 | int i; | |
3524 | ||
3525 | /* | |
3526 | * Retrieve the raw error list from the kernel. If the number of errors | |
3527 | * has increased, allocate more space and continue until we get the | |
3528 | * entire list. | |
3529 | */ | |
3530 | verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, | |
3531 | &count) == 0); | |
3532 | if (count == 0) | |
3533 | return (0); | |
3534 | if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, | |
3535 | count * sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
3536 | return (-1); | |
3537 | zc.zc_nvlist_dst_size = count; | |
3538 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3539 | for (;;) { | |
3540 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, | |
3541 | &zc) != 0) { | |
3542 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3543 | if (errno == ENOMEM) { | |
3544 | count = zc.zc_nvlist_dst_size; | |
3545 | if ((zc.zc_nvlist_dst = (uintptr_t) | |
3546 | zfs_alloc(zhp->zpool_hdl, count * | |
3547 | sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
3548 | return (-1); | |
3549 | } else { | |
3550 | return (-1); | |
3551 | } | |
3552 | } else { | |
3553 | break; | |
3554 | } | |
3555 | } | |
3556 | ||
3557 | /* | |
3558 | * Sort the resulting bookmarks. This is a little confusing due to the | |
3559 | * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last | |
3560 | * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks | |
3561 | * _not_ copied as part of the process. So we point the start of our | |
3562 | * array appropriate and decrement the total number of elements. | |
3563 | */ | |
3564 | zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + | |
3565 | zc.zc_nvlist_dst_size; | |
3566 | count -= zc.zc_nvlist_dst_size; | |
3567 | ||
3568 | qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); | |
3569 | ||
3570 | verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); | |
3571 | ||
3572 | /* | |
3573 | * Fill in the nverrlistp with nvlist's of dataset and object numbers. | |
3574 | */ | |
3575 | for (i = 0; i < count; i++) { | |
3576 | nvlist_t *nv; | |
3577 | ||
3578 | /* ignoring zb_blkid and zb_level for now */ | |
3579 | if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && | |
3580 | zb[i-1].zb_object == zb[i].zb_object) | |
3581 | continue; | |
3582 | ||
3583 | if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) | |
3584 | goto nomem; | |
3585 | if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, | |
3586 | zb[i].zb_objset) != 0) { | |
3587 | nvlist_free(nv); | |
3588 | goto nomem; | |
3589 | } | |
3590 | if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, | |
3591 | zb[i].zb_object) != 0) { | |
3592 | nvlist_free(nv); | |
3593 | goto nomem; | |
3594 | } | |
3595 | if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { | |
3596 | nvlist_free(nv); | |
3597 | goto nomem; | |
3598 | } | |
3599 | nvlist_free(nv); | |
3600 | } | |
3601 | ||
3602 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3603 | return (0); | |
3604 | ||
3605 | nomem: | |
3606 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3607 | return (no_memory(zhp->zpool_hdl)); | |
3608 | } | |
3609 | ||
3610 | /* | |
3611 | * Upgrade a ZFS pool to the latest on-disk version. | |
3612 | */ | |
3613 | int | |
3614 | zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) | |
3615 | { | |
6f1ffb06 | 3616 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3617 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3618 | ||
3619 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3620 | zc.zc_cookie = new_version; | |
3621 | ||
3622 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) | |
3623 | return (zpool_standard_error_fmt(hdl, errno, | |
3624 | dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), | |
3625 | zhp->zpool_name)); | |
3626 | return (0); | |
3627 | } | |
3628 | ||
3629 | void | |
6f1ffb06 | 3630 | zfs_save_arguments(int argc, char **argv, char *string, int len) |
34dc7c2f BB |
3631 | { |
3632 | int i; | |
3633 | ||
6f1ffb06 | 3634 | (void) strlcpy(string, basename(argv[0]), len); |
34dc7c2f | 3635 | for (i = 1; i < argc; i++) { |
6f1ffb06 MA |
3636 | (void) strlcat(string, " ", len); |
3637 | (void) strlcat(string, argv[i], len); | |
34dc7c2f BB |
3638 | } |
3639 | } | |
3640 | ||
34dc7c2f | 3641 | int |
6f1ffb06 MA |
3642 | zpool_log_history(libzfs_handle_t *hdl, const char *message) |
3643 | { | |
3644 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; | |
3645 | nvlist_t *args; | |
3646 | int err; | |
3647 | ||
3648 | args = fnvlist_alloc(); | |
3649 | fnvlist_add_string(args, "message", message); | |
3650 | err = zcmd_write_src_nvlist(hdl, &zc, args); | |
3651 | if (err == 0) | |
3652 | err = ioctl(hdl->libzfs_fd, ZFS_IOC_LOG_HISTORY, &zc); | |
3653 | nvlist_free(args); | |
3654 | zcmd_free_nvlists(&zc); | |
3655 | return (err); | |
34dc7c2f BB |
3656 | } |
3657 | ||
3658 | /* | |
3659 | * Perform ioctl to get some command history of a pool. | |
3660 | * | |
3661 | * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the | |
3662 | * logical offset of the history buffer to start reading from. | |
3663 | * | |
3664 | * Upon return, 'off' is the next logical offset to read from and | |
3665 | * 'len' is the actual amount of bytes read into 'buf'. | |
3666 | */ | |
3667 | static int | |
3668 | get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) | |
3669 | { | |
6f1ffb06 | 3670 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3671 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3672 | ||
3673 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3674 | ||
3675 | zc.zc_history = (uint64_t)(uintptr_t)buf; | |
3676 | zc.zc_history_len = *len; | |
3677 | zc.zc_history_offset = *off; | |
3678 | ||
3679 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { | |
3680 | switch (errno) { | |
3681 | case EPERM: | |
3682 | return (zfs_error_fmt(hdl, EZFS_PERM, | |
3683 | dgettext(TEXT_DOMAIN, | |
3684 | "cannot show history for pool '%s'"), | |
3685 | zhp->zpool_name)); | |
3686 | case ENOENT: | |
3687 | return (zfs_error_fmt(hdl, EZFS_NOHISTORY, | |
3688 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3689 | "'%s'"), zhp->zpool_name)); | |
3690 | case ENOTSUP: | |
3691 | return (zfs_error_fmt(hdl, EZFS_BADVERSION, | |
3692 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3693 | "'%s', pool must be upgraded"), zhp->zpool_name)); | |
3694 | default: | |
3695 | return (zpool_standard_error_fmt(hdl, errno, | |
3696 | dgettext(TEXT_DOMAIN, | |
3697 | "cannot get history for '%s'"), zhp->zpool_name)); | |
3698 | } | |
3699 | } | |
3700 | ||
3701 | *len = zc.zc_history_len; | |
3702 | *off = zc.zc_history_offset; | |
3703 | ||
3704 | return (0); | |
3705 | } | |
3706 | ||
3707 | /* | |
3708 | * Process the buffer of nvlists, unpacking and storing each nvlist record | |
3709 | * into 'records'. 'leftover' is set to the number of bytes that weren't | |
3710 | * processed as there wasn't a complete record. | |
3711 | */ | |
428870ff | 3712 | int |
34dc7c2f BB |
3713 | zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, |
3714 | nvlist_t ***records, uint_t *numrecords) | |
3715 | { | |
3716 | uint64_t reclen; | |
3717 | nvlist_t *nv; | |
3718 | int i; | |
3719 | ||
3720 | while (bytes_read > sizeof (reclen)) { | |
3721 | ||
3722 | /* get length of packed record (stored as little endian) */ | |
3723 | for (i = 0, reclen = 0; i < sizeof (reclen); i++) | |
3724 | reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); | |
3725 | ||
3726 | if (bytes_read < sizeof (reclen) + reclen) | |
3727 | break; | |
3728 | ||
3729 | /* unpack record */ | |
3730 | if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) | |
3731 | return (ENOMEM); | |
3732 | bytes_read -= sizeof (reclen) + reclen; | |
3733 | buf += sizeof (reclen) + reclen; | |
3734 | ||
3735 | /* add record to nvlist array */ | |
3736 | (*numrecords)++; | |
3737 | if (ISP2(*numrecords + 1)) { | |
3738 | *records = realloc(*records, | |
3739 | *numrecords * 2 * sizeof (nvlist_t *)); | |
3740 | } | |
3741 | (*records)[*numrecords - 1] = nv; | |
3742 | } | |
3743 | ||
3744 | *leftover = bytes_read; | |
3745 | return (0); | |
3746 | } | |
3747 | ||
3748 | #define HIS_BUF_LEN (128*1024) | |
3749 | ||
3750 | /* | |
3751 | * Retrieve the command history of a pool. | |
3752 | */ | |
3753 | int | |
3754 | zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) | |
3755 | { | |
3756 | char buf[HIS_BUF_LEN]; | |
3757 | uint64_t off = 0; | |
3758 | nvlist_t **records = NULL; | |
3759 | uint_t numrecords = 0; | |
3760 | int err, i; | |
3761 | ||
3762 | do { | |
3763 | uint64_t bytes_read = sizeof (buf); | |
3764 | uint64_t leftover; | |
3765 | ||
3766 | if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) | |
3767 | break; | |
3768 | ||
3769 | /* if nothing else was read in, we're at EOF, just return */ | |
3770 | if (!bytes_read) | |
3771 | break; | |
3772 | ||
3773 | if ((err = zpool_history_unpack(buf, bytes_read, | |
3774 | &leftover, &records, &numrecords)) != 0) | |
3775 | break; | |
3776 | off -= leftover; | |
3777 | ||
3778 | /* CONSTCOND */ | |
3779 | } while (1); | |
3780 | ||
3781 | if (!err) { | |
3782 | verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); | |
3783 | verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, | |
3784 | records, numrecords) == 0); | |
3785 | } | |
3786 | for (i = 0; i < numrecords; i++) | |
3787 | nvlist_free(records[i]); | |
3788 | free(records); | |
3789 | ||
3790 | return (err); | |
3791 | } | |
3792 | ||
26685276 BB |
3793 | /* |
3794 | * Retrieve the next event. If there is a new event available 'nvp' will | |
3795 | * contain a newly allocated nvlist and 'dropped' will be set to the number | |
3796 | * of missed events since the last call to this function. When 'nvp' is | |
3797 | * set to NULL it indicates no new events are available. In either case | |
3798 | * the function returns 0 and it is up to the caller to free 'nvp'. In | |
3799 | * the case of a fatal error the function will return a non-zero value. | |
3800 | * When the function is called in blocking mode it will not return until | |
3801 | * a new event is available. | |
3802 | */ | |
3803 | int | |
3804 | zpool_events_next(libzfs_handle_t *hdl, nvlist_t **nvp, | |
3805 | int *dropped, int block, int cleanup_fd) | |
3806 | { | |
6f1ffb06 | 3807 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
26685276 BB |
3808 | int error = 0; |
3809 | ||
3810 | *nvp = NULL; | |
3811 | *dropped = 0; | |
3812 | zc.zc_cleanup_fd = cleanup_fd; | |
3813 | ||
3814 | if (!block) | |
3815 | zc.zc_guid = ZEVENT_NONBLOCK; | |
3816 | ||
3817 | if (zcmd_alloc_dst_nvlist(hdl, &zc, ZEVENT_SIZE) != 0) | |
3818 | return (-1); | |
3819 | ||
3820 | retry: | |
3821 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_NEXT, &zc) != 0) { | |
3822 | switch (errno) { | |
3823 | case ESHUTDOWN: | |
3824 | error = zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
3825 | dgettext(TEXT_DOMAIN, "zfs shutdown")); | |
3826 | goto out; | |
3827 | case ENOENT: | |
3828 | /* Blocking error case should not occur */ | |
3829 | if (block) | |
3830 | error = zpool_standard_error_fmt(hdl, errno, | |
3831 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3832 | ||
3833 | goto out; | |
3834 | case ENOMEM: | |
3835 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
3836 | error = zfs_error_fmt(hdl, EZFS_NOMEM, | |
3837 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3838 | goto out; | |
3839 | } else { | |
3840 | goto retry; | |
3841 | } | |
3842 | default: | |
3843 | error = zpool_standard_error_fmt(hdl, errno, | |
3844 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3845 | goto out; | |
3846 | } | |
3847 | } | |
3848 | ||
3849 | error = zcmd_read_dst_nvlist(hdl, &zc, nvp); | |
3850 | if (error != 0) | |
3851 | goto out; | |
3852 | ||
3853 | *dropped = (int)zc.zc_cookie; | |
3854 | out: | |
3855 | zcmd_free_nvlists(&zc); | |
3856 | ||
3857 | return (error); | |
3858 | } | |
3859 | ||
3860 | /* | |
3861 | * Clear all events. | |
3862 | */ | |
3863 | int | |
3864 | zpool_events_clear(libzfs_handle_t *hdl, int *count) | |
3865 | { | |
6f1ffb06 | 3866 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
26685276 BB |
3867 | char msg[1024]; |
3868 | ||
3869 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
3870 | "cannot clear events")); | |
3871 | ||
3872 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_CLEAR, &zc) != 0) | |
3873 | return (zpool_standard_error_fmt(hdl, errno, msg)); | |
3874 | ||
3875 | if (count != NULL) | |
3876 | *count = (int)zc.zc_cookie; /* # of events cleared */ | |
3877 | ||
3878 | return (0); | |
3879 | } | |
3880 | ||
34dc7c2f BB |
3881 | void |
3882 | zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
3883 | char *pathname, size_t len) | |
3884 | { | |
6f1ffb06 | 3885 | zfs_cmd_t zc = {"\0", 0, 0, 0, 0, 0, 0, 0, "\0", "\0", "\0"}; |
34dc7c2f BB |
3886 | boolean_t mounted = B_FALSE; |
3887 | char *mntpnt = NULL; | |
3888 | char dsname[MAXNAMELEN]; | |
3889 | ||
3890 | if (dsobj == 0) { | |
3891 | /* special case for the MOS */ | |
b8864a23 | 3892 | (void) snprintf(pathname, len, "<metadata>:<0x%llx>", (longlong_t)obj); |
34dc7c2f BB |
3893 | return; |
3894 | } | |
3895 | ||
3896 | /* get the dataset's name */ | |
3897 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3898 | zc.zc_obj = dsobj; | |
3899 | if (ioctl(zhp->zpool_hdl->libzfs_fd, | |
3900 | ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { | |
3901 | /* just write out a path of two object numbers */ | |
3902 | (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", | |
b8864a23 | 3903 | (longlong_t)dsobj, (longlong_t)obj); |
34dc7c2f BB |
3904 | return; |
3905 | } | |
3906 | (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); | |
3907 | ||
3908 | /* find out if the dataset is mounted */ | |
3909 | mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); | |
3910 | ||
3911 | /* get the corrupted object's path */ | |
3912 | (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); | |
3913 | zc.zc_obj = obj; | |
3914 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, | |
3915 | &zc) == 0) { | |
3916 | if (mounted) { | |
3917 | (void) snprintf(pathname, len, "%s%s", mntpnt, | |
3918 | zc.zc_value); | |
3919 | } else { | |
3920 | (void) snprintf(pathname, len, "%s:%s", | |
3921 | dsname, zc.zc_value); | |
3922 | } | |
3923 | } else { | |
b8864a23 | 3924 | (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, (longlong_t)obj); |
34dc7c2f BB |
3925 | } |
3926 | free(mntpnt); | |
3927 | } | |
3928 | ||
b128c09f BB |
3929 | /* |
3930 | * Read the EFI label from the config, if a label does not exist then | |
3931 | * pass back the error to the caller. If the caller has passed a non-NULL | |
3932 | * diskaddr argument then we set it to the starting address of the EFI | |
3933 | * partition. | |
3934 | */ | |
3935 | static int | |
3936 | read_efi_label(nvlist_t *config, diskaddr_t *sb) | |
3937 | { | |
3938 | char *path; | |
3939 | int fd; | |
3940 | char diskname[MAXPATHLEN]; | |
3941 | int err = -1; | |
3942 | ||
3943 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) | |
3944 | return (err); | |
3945 | ||
eac47204 | 3946 | (void) snprintf(diskname, sizeof (diskname), "%s%s", DISK_ROOT, |
b128c09f | 3947 | strrchr(path, '/')); |
d603ed6c | 3948 | if ((fd = open(diskname, O_RDWR|O_DIRECT)) >= 0) { |
b128c09f BB |
3949 | struct dk_gpt *vtoc; |
3950 | ||
3951 | if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { | |
3952 | if (sb != NULL) | |
3953 | *sb = vtoc->efi_parts[0].p_start; | |
3954 | efi_free(vtoc); | |
3955 | } | |
3956 | (void) close(fd); | |
3957 | } | |
3958 | return (err); | |
3959 | } | |
3960 | ||
34dc7c2f BB |
3961 | /* |
3962 | * determine where a partition starts on a disk in the current | |
3963 | * configuration | |
3964 | */ | |
3965 | static diskaddr_t | |
3966 | find_start_block(nvlist_t *config) | |
3967 | { | |
3968 | nvlist_t **child; | |
3969 | uint_t c, children; | |
34dc7c2f | 3970 | diskaddr_t sb = MAXOFFSET_T; |
34dc7c2f BB |
3971 | uint64_t wholedisk; |
3972 | ||
3973 | if (nvlist_lookup_nvlist_array(config, | |
3974 | ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { | |
3975 | if (nvlist_lookup_uint64(config, | |
3976 | ZPOOL_CONFIG_WHOLE_DISK, | |
3977 | &wholedisk) != 0 || !wholedisk) { | |
3978 | return (MAXOFFSET_T); | |
3979 | } | |
b128c09f BB |
3980 | if (read_efi_label(config, &sb) < 0) |
3981 | sb = MAXOFFSET_T; | |
34dc7c2f BB |
3982 | return (sb); |
3983 | } | |
3984 | ||
3985 | for (c = 0; c < children; c++) { | |
3986 | sb = find_start_block(child[c]); | |
3987 | if (sb != MAXOFFSET_T) { | |
3988 | return (sb); | |
3989 | } | |
3990 | } | |
3991 | return (MAXOFFSET_T); | |
3992 | } | |
3993 | ||
d603ed6c BB |
3994 | int |
3995 | zpool_label_disk_wait(char *path, int timeout) | |
3996 | { | |
3997 | struct stat64 statbuf; | |
3998 | int i; | |
3999 | ||
4000 | /* | |
4001 | * Wait timeout miliseconds for a newly created device to be available | |
4002 | * from the given path. There is a small window when a /dev/ device | |
4003 | * will exist and the udev link will not, so we must wait for the | |
4004 | * symlink. Depending on the udev rules this may take a few seconds. | |
4005 | */ | |
4006 | for (i = 0; i < timeout; i++) { | |
4007 | usleep(1000); | |
4008 | ||
4009 | errno = 0; | |
4010 | if ((stat64(path, &statbuf) == 0) && (errno == 0)) | |
4011 | return (0); | |
4012 | } | |
4013 | ||
4014 | return (ENOENT); | |
4015 | } | |
4016 | ||
4017 | int | |
4018 | zpool_label_disk_check(char *path) | |
4019 | { | |
4020 | struct dk_gpt *vtoc; | |
4021 | int fd, err; | |
4022 | ||
4023 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) | |
4024 | return errno; | |
4025 | ||
4026 | if ((err = efi_alloc_and_read(fd, &vtoc)) != 0) { | |
4027 | (void) close(fd); | |
4028 | return err; | |
4029 | } | |
4030 | ||
4031 | if (vtoc->efi_flags & EFI_GPT_PRIMARY_CORRUPT) { | |
4032 | efi_free(vtoc); | |
4033 | (void) close(fd); | |
4034 | return EIDRM; | |
4035 | } | |
4036 | ||
4037 | efi_free(vtoc); | |
4038 | (void) close(fd); | |
4039 | return 0; | |
4040 | } | |
4041 | ||
34dc7c2f BB |
4042 | /* |
4043 | * Label an individual disk. The name provided is the short name, | |
4044 | * stripped of any leading /dev path. | |
4045 | */ | |
4046 | int | |
4047 | zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) | |
4048 | { | |
4049 | char path[MAXPATHLEN]; | |
4050 | struct dk_gpt *vtoc; | |
d603ed6c | 4051 | int rval, fd; |
34dc7c2f BB |
4052 | size_t resv = EFI_MIN_RESV_SIZE; |
4053 | uint64_t slice_size; | |
4054 | diskaddr_t start_block; | |
4055 | char errbuf[1024]; | |
4056 | ||
4057 | /* prepare an error message just in case */ | |
4058 | (void) snprintf(errbuf, sizeof (errbuf), | |
4059 | dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); | |
4060 | ||
4061 | if (zhp) { | |
4062 | nvlist_t *nvroot; | |
4063 | ||
c372b36e | 4064 | #if defined(__sun__) || defined(__sun) |
1bd201e7 | 4065 | if (zpool_is_bootable(zhp)) { |
b128c09f BB |
4066 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4067 | "EFI labeled devices are not supported on root " | |
4068 | "pools.")); | |
4069 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); | |
4070 | } | |
c372b36e | 4071 | #endif |
b128c09f | 4072 | |
34dc7c2f BB |
4073 | verify(nvlist_lookup_nvlist(zhp->zpool_config, |
4074 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
4075 | ||
4076 | if (zhp->zpool_start_block == 0) | |
4077 | start_block = find_start_block(nvroot); | |
4078 | else | |
4079 | start_block = zhp->zpool_start_block; | |
4080 | zhp->zpool_start_block = start_block; | |
4081 | } else { | |
4082 | /* new pool */ | |
4083 | start_block = NEW_START_BLOCK; | |
4084 | } | |
4085 | ||
eac47204 | 4086 | (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name); |
34dc7c2f | 4087 | |
d603ed6c | 4088 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) { |
34dc7c2f BB |
4089 | /* |
4090 | * This shouldn't happen. We've long since verified that this | |
4091 | * is a valid device. | |
4092 | */ | |
109491a8 RL |
4093 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
4094 | "label '%s': unable to open device: %d"), path, errno); | |
34dc7c2f BB |
4095 | return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); |
4096 | } | |
4097 | ||
4098 | if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { | |
4099 | /* | |
4100 | * The only way this can fail is if we run out of memory, or we | |
4101 | * were unable to read the disk's capacity | |
4102 | */ | |
4103 | if (errno == ENOMEM) | |
4104 | (void) no_memory(hdl); | |
4105 | ||
4106 | (void) close(fd); | |
109491a8 RL |
4107 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
4108 | "label '%s': unable to read disk capacity"), path); | |
34dc7c2f BB |
4109 | |
4110 | return (zfs_error(hdl, EZFS_NOCAP, errbuf)); | |
4111 | } | |
4112 | ||
4113 | slice_size = vtoc->efi_last_u_lba + 1; | |
4114 | slice_size -= EFI_MIN_RESV_SIZE; | |
4115 | if (start_block == MAXOFFSET_T) | |
4116 | start_block = NEW_START_BLOCK; | |
4117 | slice_size -= start_block; | |
613d88ed | 4118 | slice_size = P2ALIGN(slice_size, PARTITION_END_ALIGNMENT); |
34dc7c2f BB |
4119 | |
4120 | vtoc->efi_parts[0].p_start = start_block; | |
4121 | vtoc->efi_parts[0].p_size = slice_size; | |
4122 | ||
4123 | /* | |
4124 | * Why we use V_USR: V_BACKUP confuses users, and is considered | |
4125 | * disposable by some EFI utilities (since EFI doesn't have a backup | |
4126 | * slice). V_UNASSIGNED is supposed to be used only for zero size | |
4127 | * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, | |
4128 | * etc. were all pretty specific. V_USR is as close to reality as we | |
4129 | * can get, in the absence of V_OTHER. | |
4130 | */ | |
4131 | vtoc->efi_parts[0].p_tag = V_USR; | |
4132 | (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); | |
4133 | ||
4134 | vtoc->efi_parts[8].p_start = slice_size + start_block; | |
4135 | vtoc->efi_parts[8].p_size = resv; | |
4136 | vtoc->efi_parts[8].p_tag = V_RESERVED; | |
4137 | ||
b5a28807 | 4138 | if ((rval = efi_write(fd, vtoc)) != 0 || (rval = efi_rescan(fd)) != 0) { |
34dc7c2f BB |
4139 | /* |
4140 | * Some block drivers (like pcata) may not support EFI | |
4141 | * GPT labels. Print out a helpful error message dir- | |
4142 | * ecting the user to manually label the disk and give | |
4143 | * a specific slice. | |
4144 | */ | |
4145 | (void) close(fd); | |
4146 | efi_free(vtoc); | |
4147 | ||
d603ed6c BB |
4148 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "try using " |
4149 | "parted(8) and then provide a specific slice: %d"), rval); | |
34dc7c2f BB |
4150 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); |
4151 | } | |
4152 | ||
4153 | (void) close(fd); | |
4154 | efi_free(vtoc); | |
34dc7c2f | 4155 | |
eac47204 BB |
4156 | /* Wait for the first expected partition to appear. */ |
4157 | ||
4158 | (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name); | |
4159 | (void) zfs_append_partition(path, MAXPATHLEN); | |
4160 | ||
d603ed6c BB |
4161 | rval = zpool_label_disk_wait(path, 3000); |
4162 | if (rval) { | |
4163 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "failed to " | |
4164 | "detect device partitions on '%s': %d"), path, rval); | |
4165 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
34dc7c2f BB |
4166 | } |
4167 | ||
d603ed6c BB |
4168 | /* We can't be to paranoid. Read the label back and verify it. */ |
4169 | (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name); | |
4170 | rval = zpool_label_disk_check(path); | |
4171 | if (rval) { | |
4172 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "freshly written " | |
4173 | "EFI label on '%s' is damaged. Ensure\nthis device " | |
4174 | "is not in in use, and is functioning properly: %d"), | |
4175 | path, rval); | |
4176 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
34dc7c2f | 4177 | } |
34dc7c2f | 4178 | |
d603ed6c | 4179 | return 0; |
34dc7c2f | 4180 | } |