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Commit | Line | Data |
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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
6f02172d | 4 | * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de> |
64c4757e NB |
5 | * |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * Author: Neil Brown | |
e736b623 | 22 | * Email: <neilb@suse.de> |
64c4757e NB |
23 | */ |
24 | ||
9a9dab36 | 25 | #include "mdadm.h" |
64c4757e NB |
26 | #include "md_p.h" |
27 | #include "md_u.h" | |
c69b251b | 28 | #include <dirent.h> |
64c4757e | 29 | |
41a663b2 | 30 | static int cmpstringp(const void *p1, const void *p2) |
31 | { | |
32 | return strcmp(* (char * const *) p1, * (char * const *) p2); | |
33 | } | |
34 | ||
b76dc299 MW |
35 | static int add_device(const char *dev, char ***p_devices, |
36 | int *p_max_devices, int n_devices) | |
37 | { | |
38 | if (n_devices + 1 >= *p_max_devices) { | |
39 | *p_max_devices += 16; | |
40 | *p_devices = xrealloc(*p_devices, *p_max_devices * | |
41 | sizeof(**p_devices)); | |
42 | if (!*p_devices) { | |
43 | *p_max_devices = 0; | |
44 | return 0; | |
45 | } | |
46 | }; | |
47 | (*p_devices)[n_devices] = xstrdup(dev); | |
48 | return n_devices + 1; | |
49 | } | |
50 | ||
ef898ce6 | 51 | int Detail(char *dev, struct context *c) |
64c4757e NB |
52 | { |
53 | /* | |
54 | * Print out details for an md array by using | |
55 | * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls | |
56 | */ | |
57 | ||
fb97b4d6 | 58 | int fd = open(dev, O_RDONLY); |
64c4757e NB |
59 | int vers; |
60 | mdu_array_info_t array; | |
b0c63f32 NB |
61 | mdu_disk_info_t *disks; |
62 | int next; | |
64c4757e NB |
63 | int d; |
64 | time_t atime; | |
4df01ff5 | 65 | char *str; |
41a663b2 | 66 | char **devices = NULL; |
67 | int max_devices = 0, n_devices = 0; | |
feb716e9 | 68 | int spares = 0; |
dd0781e5 | 69 | struct stat stb; |
e5329c37 NB |
70 | int is_26 = get_linux_version() >= 2006000; |
71 | int is_rebuilding = 0; | |
72 | int failed = 0; | |
9aaada05 | 73 | struct supertype *st; |
4725bc31 | 74 | char *subarray = NULL; |
e27d562b | 75 | int max_disks = MD_SB_DISKS; /* just a default */ |
a1f976a0 | 76 | struct mdinfo *info = NULL; |
142cb9e1 | 77 | struct mdinfo *sra; |
e6fc80a8 | 78 | struct mdinfo *subdev; |
c69b251b N |
79 | char *member = NULL; |
80 | char *container = NULL; | |
64c4757e | 81 | |
ef898ce6 | 82 | int rv = c->test ? 4 : 1; |
a77be586 | 83 | int avail_disks = 0; |
d0673517 | 84 | char *avail = NULL; |
e6fc80a8 N |
85 | int external; |
86 | int inactive; | |
82b27616 | 87 | |
64c4757e | 88 | if (fd < 0) { |
e7b84f9d | 89 | pr_err("cannot open %s: %s\n", |
64c4757e | 90 | dev, strerror(errno)); |
feb716e9 | 91 | return rv; |
64c4757e NB |
92 | } |
93 | vers = md_get_version(fd); | |
94 | if (vers < 0) { | |
e7b84f9d | 95 | pr_err("%s does not appear to be an md device\n", |
64c4757e NB |
96 | dev); |
97 | close(fd); | |
feb716e9 | 98 | return rv; |
64c4757e | 99 | } |
682c7051 | 100 | if (vers < 9000) { |
e7b84f9d | 101 | pr_err("cannot get detail for md device %s: driver version too old.\n", |
64c4757e NB |
102 | dev); |
103 | close(fd); | |
feb716e9 | 104 | return rv; |
64c4757e | 105 | } |
e6fc80a8 N |
106 | sra = sysfs_read(fd, NULL, GET_VERSION|GET_DEVS); |
107 | external = (sra != NULL && sra->array.major_version == -1 | |
108 | && sra->array.minor_version == -2); | |
109 | st = super_by_fd(fd, &subarray); | |
110 | if (ioctl(fd, GET_ARRAY_INFO, &array) == 0) { | |
111 | inactive = 0; | |
c9f1cbc0 | 112 | } else if (errno == ENODEV && sra) { |
e6fc80a8 N |
113 | array = sra->array; |
114 | inactive = 1; | |
115 | } else { | |
116 | pr_err("cannot get array detail for %s: %s\n", | |
117 | dev, strerror(errno)); | |
64c4757e | 118 | close(fd); |
feb716e9 | 119 | return rv; |
64c4757e | 120 | } |
f9ce90ba | 121 | |
dd0781e5 NB |
122 | if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode)) |
123 | stb.st_rdev = 0; | |
feb716e9 | 124 | rv = 0; |
e5329c37 | 125 | |
c69b251b N |
126 | if (st) |
127 | max_disks = st->max_devs; | |
128 | ||
5f7e44b2 | 129 | if (subarray) { |
c69b251b N |
130 | /* This is a subarray of some container. |
131 | * We want the name of the container, and the member | |
132 | */ | |
4dd2df09 | 133 | int devid = devnm2devid(st->container_devnm); |
c1ea5a98 | 134 | int cfd, err; |
5f7e44b2 DW |
135 | |
136 | member = subarray; | |
4dd2df09 N |
137 | container = map_dev_preferred(major(devid), minor(devid), |
138 | 1, c->prefer); | |
c1ea5a98 | 139 | cfd = open_dev(st->container_devnm); |
140 | if (cfd >= 0) { | |
141 | err = st->ss->load_container(st, cfd, NULL); | |
142 | close(cfd); | |
143 | if (err == 0) | |
144 | info = st->ss->container_content(st, subarray); | |
145 | } | |
c69b251b | 146 | } |
ea329559 | 147 | |
e6fc80a8 N |
148 | /* try to load a superblock. Try sra->devs first, then try ioctl */ |
149 | if (st && !info) for (d = 0, subdev = sra ? sra->devs : NULL; | |
150 | d < max_disks || subdev; | |
151 | subdev ? (void)(subdev = subdev->next) : (void)(d++)){ | |
e5329c37 NB |
152 | mdu_disk_info_t disk; |
153 | char *dv; | |
9aaada05 N |
154 | int fd2; |
155 | int err; | |
e6fc80a8 N |
156 | if (subdev) |
157 | disk = subdev->disk; | |
158 | else { | |
159 | disk.number = d; | |
160 | if (ioctl(fd, GET_DISK_INFO, &disk) < 0) | |
161 | continue; | |
162 | if (d >= array.raid_disks && | |
163 | disk.major == 0 && | |
164 | disk.minor == 0) | |
165 | continue; | |
166 | } | |
9aaada05 N |
167 | |
168 | if (array.raid_disks > 0 && | |
169 | (disk.state & (1 << MD_DISK_ACTIVE)) == 0) | |
170 | continue; | |
171 | ||
172 | dv = map_dev(disk.major, disk.minor, 1); | |
173 | if (!dv) | |
174 | continue; | |
175 | ||
176 | fd2 = dev_open(dv, O_RDONLY); | |
177 | if (fd2 < 0) | |
178 | continue; | |
179 | ||
180 | if (st->sb) | |
181 | st->ss->free_super(st); | |
182 | ||
183 | err = st->ss->load_super(st, fd2, NULL); | |
184 | close(fd2); | |
185 | if (err) | |
186 | continue; | |
a1f976a0 N |
187 | if (info) |
188 | free(info); | |
189 | if (subarray) | |
190 | info = st->ss->container_content(st, subarray); | |
191 | else { | |
503975b9 | 192 | info = xmalloc(sizeof(*info)); |
a1f976a0 N |
193 | st->ss->getinfo_super(st, info, NULL); |
194 | } | |
195 | if (!info) | |
196 | continue; | |
9aaada05 N |
197 | |
198 | if (array.raid_disks != 0 && /* container */ | |
a1f976a0 N |
199 | (info->array.ctime != array.ctime || |
200 | info->array.level != array.level)) { | |
9aaada05 N |
201 | st->ss->free_super(st); |
202 | continue; | |
e5329c37 | 203 | } |
9aaada05 | 204 | /* some formats (imsm) have free-floating-spares |
22e263f6 | 205 | * with a uuid of uuid_zero, they don't |
9aaada05 N |
206 | * have very good info about the rest of the |
207 | * container, so keep searching when | |
208 | * encountering such a device. Otherwise, stop | |
209 | * after the first successful call to | |
210 | * ->load_super. | |
211 | */ | |
22e263f6 | 212 | if (memcmp(uuid_zero, |
a1f976a0 | 213 | info->uuid, |
22e263f6 | 214 | sizeof(uuid_zero)) == 0) { |
9aaada05 N |
215 | st->ss->free_super(st); |
216 | continue; | |
217 | } | |
218 | break; | |
e5329c37 NB |
219 | } |
220 | ||
64c4757e | 221 | /* Ok, we have some info to print... */ |
4df01ff5 | 222 | str = map_num(pers, array.level); |
54bad364 | 223 | |
ef898ce6 | 224 | if (c->export) { |
c69b251b | 225 | if (array.raid_disks) { |
4df01ff5 N |
226 | if (str) |
227 | printf("MD_LEVEL=%s\n", str); | |
c69b251b N |
228 | printf("MD_DEVICES=%d\n", array.raid_disks); |
229 | } else { | |
e6fc80a8 N |
230 | if (!inactive) |
231 | printf("MD_LEVEL=container\n"); | |
c69b251b N |
232 | printf("MD_DEVICES=%d\n", array.nr_disks); |
233 | } | |
234 | if (container) { | |
235 | printf("MD_CONTAINER=%s\n", container); | |
236 | printf("MD_MEMBER=%s\n", member); | |
237 | } else { | |
238 | if (sra && sra->array.major_version < 0) | |
239 | printf("MD_METADATA=%s\n", sra->text_version); | |
240 | else | |
6e48d593 | 241 | printf("MD_METADATA=%d.%d\n", |
c69b251b N |
242 | array.major_version, array.minor_version); |
243 | } | |
ca3b6696 | 244 | |
a1f976a0 | 245 | if (st && st->sb && info) { |
35ddc76d | 246 | char nbuf[64]; |
f069dd29 | 247 | struct map_ent *mp, *map = NULL; |
9aaada05 | 248 | |
a1f976a0 | 249 | fname_from_uuid(st, info, nbuf, ':'); |
35ddc76d | 250 | printf("MD_UUID=%s\n", nbuf+5); |
a1f976a0 | 251 | mp = map_by_uuid(&map, info->uuid); |
f069dd29 | 252 | if (mp && mp->path && |
7103b9b8 N |
253 | strncmp(mp->path, "/dev/md/", 8) == 0) { |
254 | printf("MD_DEVNAME="); | |
255 | print_escape(mp->path+8); | |
256 | putchar('\n'); | |
257 | } | |
142cb9e1 | 258 | |
35ddc76d N |
259 | if (st->ss->export_detail_super) |
260 | st->ss->export_detail_super(st); | |
7e6c6cb2 N |
261 | } else { |
262 | struct map_ent *mp, *map = NULL; | |
aae5a112 | 263 | char nbuf[64]; |
4dd2df09 | 264 | mp = map_by_devnm(&map, fd2devnm(fd)); |
aae5a112 DW |
265 | if (mp) { |
266 | __fname_from_uuid(mp->uuid, 0, nbuf, ':'); | |
267 | printf("MD_UUID=%s\n", nbuf+5); | |
268 | } | |
7e6c6cb2 | 269 | if (mp && mp->path && |
7103b9b8 N |
270 | strncmp(mp->path, "/dev/md/", 8) == 0) { |
271 | printf("MD_DEVNAME="); | |
272 | print_escape(mp->path+8); | |
273 | putchar('\n'); | |
274 | } | |
35ddc76d | 275 | } |
54def20f N |
276 | if (sra) { |
277 | struct mdinfo *mdi; | |
278 | for (mdi = sra->devs; mdi; mdi = mdi->next) { | |
279 | char *path = | |
280 | map_dev(mdi->disk.major, | |
281 | mdi->disk.minor, 0); | |
282 | ||
283 | if (mdi->disk.raid_disk >= 0) | |
284 | printf("MD_DEVICE_%s_ROLE=%d\n", | |
285 | mdi->sys_name+4, | |
286 | mdi->disk.raid_disk); | |
287 | else | |
288 | printf("MD_DEVICE_%s_ROLE=spare\n", | |
289 | mdi->sys_name+4); | |
290 | if (path) | |
291 | printf("MD_DEVICE_%s_DEV=%s\n", | |
292 | mdi->sys_name+4, path); | |
293 | } | |
294 | } | |
54bad364 KS |
295 | goto out; |
296 | } | |
297 | ||
8057db46 N |
298 | disks = xmalloc(max_disks * 2 * sizeof(mdu_disk_info_t)); |
299 | for (d = 0; d < max_disks * 2; d++) { | |
d998adc3 N |
300 | disks[d].state = (1<<MD_DISK_REMOVED); |
301 | disks[d].major = disks[d].minor = 0; | |
78a5dc03 N |
302 | disks[d].number = -1; |
303 | disks[d].raid_disk = d/2; | |
d998adc3 N |
304 | } |
305 | ||
24c7bc84 | 306 | next = array.raid_disks*2; |
e6fc80a8 N |
307 | if (inactive) { |
308 | struct mdinfo *mdi; | |
309 | if (sra != NULL) | |
310 | for (mdi = sra->devs; mdi; mdi = mdi->next) { | |
311 | disks[next++] = mdi->disk; | |
312 | disks[next-1].number = -1; | |
313 | } | |
314 | } else for (d = 0; d < max_disks; d++) { | |
d998adc3 N |
315 | mdu_disk_info_t disk; |
316 | disk.number = d; | |
317 | if (ioctl(fd, GET_DISK_INFO, &disk) < 0) { | |
318 | if (d < array.raid_disks) | |
e7b84f9d | 319 | pr_err("cannot get device detail for device %d: %s\n", |
d998adc3 N |
320 | d, strerror(errno)); |
321 | continue; | |
322 | } | |
323 | if (disk.major == 0 && disk.minor == 0) | |
324 | continue; | |
24c7bc84 N |
325 | if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks |
326 | && disks[disk.raid_disk*2].state == (1<<MD_DISK_REMOVED)) | |
327 | disks[disk.raid_disk*2] = disk; | |
328 | else if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks | |
6fe4c616 SL |
329 | && disks[disk.raid_disk*2+1].state == (1<<MD_DISK_REMOVED) |
330 | && !(disk.state & (1<<MD_DISK_JOURNAL))) | |
24c7bc84 | 331 | disks[disk.raid_disk*2+1] = disk; |
8057db46 | 332 | else if (next < max_disks*2) |
d998adc3 N |
333 | disks[next++] = disk; |
334 | } | |
335 | ||
503975b9 | 336 | avail = xcalloc(array.raid_disks, 1); |
d998adc3 N |
337 | |
338 | for (d= 0; d < array.raid_disks; d++) { | |
d998adc3 | 339 | |
24c7bc84 N |
340 | if ((disks[d*2].state & (1<<MD_DISK_SYNC)) || |
341 | (disks[d*2+1].state & (1<<MD_DISK_SYNC))) { | |
d998adc3 N |
342 | avail_disks ++; |
343 | avail[d] = 1; | |
cd04f562 CS |
344 | } else |
345 | rv |= !! c->test; | |
d998adc3 N |
346 | } |
347 | ||
ef898ce6 | 348 | if (c->brief) { |
e8eb8763 | 349 | mdu_bitmap_file_t bmf; |
e6fc80a8 | 350 | printf("%sARRAY %s", inactive ? "INACTIVE-":"", dev); |
b3908491 | 351 | if (c->verbose > 0) { |
061f2c6a | 352 | if (array.raid_disks) |
0e90271e | 353 | printf(" level=%s num-devices=%d", |
4df01ff5 | 354 | str?str:"-unknown-", |
061f2c6a | 355 | array.raid_disks ); |
e6fc80a8 | 356 | else if (!inactive) |
0e90271e | 357 | printf(" level=container num-devices=%d", |
061f2c6a | 358 | array.nr_disks); |
e6fc80a8 N |
359 | else |
360 | printf(" num-devices=%d", array.nr_disks); | |
061f2c6a | 361 | } |
c69b251b N |
362 | if (container) { |
363 | printf(" container=%s", container); | |
364 | printf(" member=%s", member); | |
365 | } else { | |
366 | if (sra && sra->array.major_version < 0) | |
367 | printf(" metadata=%s", sra->text_version); | |
368 | else | |
6e48d593 | 369 | printf(" metadata=%d.%d", |
c69b251b N |
370 | array.major_version, array.minor_version); |
371 | } | |
e8eb8763 NB |
372 | |
373 | /* Only try GET_BITMAP_FILE for 0.90.01 and later */ | |
374 | if (vers >= 9001 && | |
375 | ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && | |
376 | bmf.pathname[0]) { | |
377 | printf(" bitmap=%s", bmf.pathname); | |
378 | } | |
142cb9e1 | 379 | } else { |
8fac0577 | 380 | mdu_bitmap_file_t bmf; |
e0d19036 | 381 | unsigned long long larray_size; |
22a88995 | 382 | struct mdstat_ent *ms = mdstat_read(0, 0); |
dd0781e5 | 383 | struct mdstat_ent *e; |
4dd2df09 | 384 | char *devnm; |
dd0781e5 | 385 | |
4dd2df09 | 386 | devnm = stat2devnm(&stb); |
dd0781e5 | 387 | for (e=ms; e; e=e->next) |
4dd2df09 | 388 | if (strcmp(e->devnm, devnm) == 0) |
dd0781e5 | 389 | break; |
beae1dfe NB |
390 | if (!get_dev_size(fd, NULL, &larray_size)) |
391 | larray_size = 0; | |
56eb10c0 | 392 | |
cd29a5c8 | 393 | printf("%s:\n", dev); |
142cb9e1 | 394 | |
c69b251b N |
395 | if (container) |
396 | printf(" Container : %s, member %s\n", container, member); | |
397 | else { | |
142cb9e1 NB |
398 | if (sra && sra->array.major_version < 0) |
399 | printf(" Version : %s\n", sra->text_version); | |
400 | else | |
6e48d593 | 401 | printf(" Version : %d.%d\n", |
142cb9e1 | 402 | array.major_version, array.minor_version); |
c69b251b | 403 | } |
142cb9e1 | 404 | |
cd29a5c8 | 405 | atime = array.ctime; |
c69b251b N |
406 | if (atime) |
407 | printf(" Creation Time : %.24s\n", ctime(&atime)); | |
e6fc80a8 | 408 | if (array.raid_disks == 0 && external) |
4df01ff5 | 409 | str = "container"; |
e6fc80a8 N |
410 | if (str) |
411 | printf(" Raid Level : %s\n", str); | |
56eb10c0 | 412 | if (larray_size) |
ca3b6696 N |
413 | printf(" Array Size : %llu%s\n", (larray_size>>10), |
414 | human_size(larray_size)); | |
3d4064cc | 415 | if (array.level >= 1) { |
ec1b28fd N |
416 | if (sra) |
417 | array.major_version = sra->array.major_version; | |
3d4064cc | 418 | if (array.major_version != 0 && |
6ee5c05a NB |
419 | (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) { |
420 | unsigned long long dsize = get_component_size(fd); | |
421 | if (dsize > 0) | |
e3362544 | 422 | printf(" Used Dev Size : %llu%s\n", |
a1236192 N |
423 | dsize/2, |
424 | human_size((long long)dsize<<9)); | |
6ee5c05a | 425 | else |
e3362544 | 426 | printf(" Used Dev Size : unknown\n"); |
6ee5c05a | 427 | } else |
9f7f28ee N |
428 | printf(" Used Dev Size : %lu%s\n", |
429 | (unsigned long)array.size, | |
430 | human_size((unsigned long long)array.size<<10)); | |
3d4064cc | 431 | } |
c69b251b N |
432 | if (array.raid_disks) |
433 | printf(" Raid Devices : %d\n", array.raid_disks); | |
b83d95f3 | 434 | printf(" Total Devices : %d\n", array.nr_disks); |
ca3b6696 | 435 | if (!container && |
c69b251b N |
436 | ((sra == NULL && array.major_version == 0) || |
437 | (sra && sra->array.major_version == 0))) | |
438 | printf("Preferred Minor : %d\n", array.md_minor); | |
142cb9e1 NB |
439 | if (sra == NULL || sra->array.major_version >= 0) |
440 | printf(" Persistence : Superblock is %spersistent\n", | |
441 | array.not_persistent?"not ":""); | |
cd29a5c8 | 442 | printf("\n"); |
4027ddca NB |
443 | /* Only try GET_BITMAP_FILE for 0.90.01 and later */ |
444 | if (vers >= 9001 && | |
445 | ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && | |
446 | bmf.pathname[0]) { | |
8fac0577 NB |
447 | printf(" Intent Bitmap : %s\n", bmf.pathname); |
448 | printf("\n"); | |
449 | } else if (array.state & (1<<MD_SB_BITMAP_PRESENT)) | |
450 | printf(" Intent Bitmap : Internal\n\n"); | |
cd29a5c8 | 451 | atime = array.utime; |
c69b251b N |
452 | if (atime) |
453 | printf(" Update Time : %.24s\n", ctime(&atime)); | |
d998adc3 | 454 | if (array.raid_disks) { |
ca3b6696 N |
455 | static char *sync_action[] = { |
456 | ", recovering", ", resyncing", | |
457 | ", reshaping", ", checking" }; | |
d998adc3 N |
458 | char *st; |
459 | if (avail_disks == array.raid_disks) | |
460 | st = ""; | |
461 | else if (!enough(array.level, array.raid_disks, | |
de5a472e | 462 | array.layout, 1, avail)) |
d998adc3 N |
463 | st = ", FAILED"; |
464 | else | |
465 | st = ", degraded"; | |
466 | ||
2d3603ba KW |
467 | printf(" State : %s%s%s%s%s%s \n", |
468 | (array.state&(1<<MD_SB_CLEAN))?"clean":"active", st, | |
9dad51d4 N |
469 | (!e || (e->percent < 0 && e->percent != RESYNC_PENDING && |
470 | e->percent != RESYNC_DELAYED)) ? "" : sync_action[e->resync], | |
2d3603ba | 471 | larray_size ? "": ", Not Started", |
c9f1cbc0 N |
472 | (e && e->percent == RESYNC_DELAYED) ? " (DELAYED)": "", |
473 | (e && e->percent == RESYNC_PENDING) ? " (PENDING)": ""); | |
e6fc80a8 N |
474 | } else if (inactive) { |
475 | printf(" State : inactive\n"); | |
d998adc3 | 476 | } |
c69b251b N |
477 | if (array.raid_disks) |
478 | printf(" Active Devices : %d\n", array.active_disks); | |
e6fc80a8 N |
479 | if (array.working_disks > 0) |
480 | printf("Working Devices : %d\n", array.working_disks); | |
c69b251b N |
481 | if (array.raid_disks) { |
482 | printf(" Failed Devices : %d\n", array.failed_disks); | |
483 | printf(" Spare Devices : %d\n", array.spare_disks); | |
484 | } | |
cd29a5c8 NB |
485 | printf("\n"); |
486 | if (array.level == 5) { | |
4df01ff5 N |
487 | str = map_num(r5layout, array.layout); |
488 | printf(" Layout : %s\n", str?str:"-unknown-"); | |
cd29a5c8 | 489 | } |
fe77a154 | 490 | if (array.level == 6) { |
4df01ff5 N |
491 | str = map_num(r6layout, array.layout); |
492 | printf(" Layout : %s\n", str?str:"-unknown-"); | |
fe77a154 | 493 | } |
e5329c37 | 494 | if (array.level == 10) { |
e4965ef8 N |
495 | printf(" Layout :"); |
496 | print_r10_layout(array.layout); | |
497 | printf("\n"); | |
e5329c37 | 498 | } |
cd29a5c8 NB |
499 | switch (array.level) { |
500 | case 0: | |
501 | case 4: | |
502 | case 5: | |
e5329c37 NB |
503 | case 10: |
504 | case 6: | |
142cb9e1 NB |
505 | if (array.chunk_size) |
506 | printf(" Chunk Size : %dK\n\n", | |
507 | array.chunk_size/1024); | |
cd29a5c8 NB |
508 | break; |
509 | case -1: | |
e5329c37 | 510 | printf(" Rounding : %dK\n\n", array.chunk_size/1024); |
cd29a5c8 NB |
511 | break; |
512 | default: break; | |
513 | } | |
aba69144 | 514 | |
e5329c37 | 515 | if (e && e->percent >= 0) { |
ca3b6696 N |
516 | static char *sync_action[] = { |
517 | "Rebuild", "Resync", | |
518 | "Reshape", "Check"}; | |
2d3603ba | 519 | printf(" %7s Status : %d%% complete\n", sync_action[e->resync], e->percent); |
e5329c37 NB |
520 | is_rebuilding = 1; |
521 | } | |
dd0781e5 NB |
522 | free_mdstat(ms); |
523 | ||
db428d7a | 524 | if ((st && st->sb) && (info && info->reshape_active)) { |
bed256c2 NB |
525 | #if 0 |
526 | This is pretty boring | |
a1f976a0 N |
527 | printf(" Reshape pos'n : %llu%s\n", (unsigned long long) info->reshape_progress<<9, |
528 | human_size((unsigned long long)info->reshape_progress<<9)); | |
bed256c2 | 529 | #endif |
c281a804 | 530 | if (info->delta_disks != 0) |
bed256c2 | 531 | printf(" Delta Devices : %d, (%d->%d)\n", |
ca3b6696 N |
532 | info->delta_disks, |
533 | array.raid_disks - info->delta_disks, | |
534 | array.raid_disks); | |
a1f976a0 | 535 | if (info->new_level != array.level) { |
4df01ff5 N |
536 | str = map_num(pers, info->new_level); |
537 | printf(" New Level : %s\n", str?str:"-unknown-"); | |
bed256c2 | 538 | } |
a1f976a0 N |
539 | if (info->new_level != array.level || |
540 | info->new_layout != array.layout) { | |
541 | if (info->new_level == 5) { | |
4df01ff5 | 542 | str = map_num(r5layout, info->new_layout); |
bed256c2 | 543 | printf(" New Layout : %s\n", |
4df01ff5 | 544 | str?str:"-unknown-"); |
bed256c2 | 545 | } |
a1f976a0 | 546 | if (info->new_level == 6) { |
4df01ff5 | 547 | str = map_num(r6layout, info->new_layout); |
dab54dcb | 548 | printf(" New Layout : %s\n", |
4df01ff5 | 549 | str?str:"-unknown-"); |
dab54dcb | 550 | } |
a1f976a0 | 551 | if (info->new_level == 10) { |
b578481c | 552 | printf(" New Layout : near=%d, %s=%d\n", |
a1f976a0 N |
553 | info->new_layout&255, |
554 | (info->new_layout&0x10000)?"offset":"far", | |
555 | (info->new_layout>>8)&255); | |
bed256c2 NB |
556 | } |
557 | } | |
a1f976a0 N |
558 | if (info->new_chunk != array.chunk_size) |
559 | printf(" New Chunksize : %dK\n", info->new_chunk/1024); | |
bed256c2 NB |
560 | printf("\n"); |
561 | } else if (e && e->percent >= 0) | |
562 | printf("\n"); | |
3da92f27 | 563 | if (st && st->sb) |
ef898ce6 | 564 | st->ss->detail_super(st, c->homehost); |
e5329c37 | 565 | |
c69b251b N |
566 | if (array.raid_disks == 0 && sra && sra->array.major_version == -1 |
567 | && sra->array.minor_version == -2 && sra->text_version[0] != '/') { | |
568 | /* This looks like a container. Find any active arrays | |
569 | * That claim to be a member. | |
570 | */ | |
571 | DIR *dir = opendir("/sys/block"); | |
572 | struct dirent *de; | |
573 | ||
574 | printf(" Member Arrays :"); | |
575 | ||
576 | while (dir && (de = readdir(dir)) != NULL) { | |
577 | char path[200]; | |
578 | char vbuf[1024]; | |
579 | int nlen = strlen(sra->sys_name); | |
4dd2df09 | 580 | int devid; |
c69b251b N |
581 | if (de->d_name[0] == '.') |
582 | continue; | |
583 | sprintf(path, "/sys/block/%s/md/metadata_version", | |
584 | de->d_name); | |
585 | if (load_sys(path, vbuf) < 0) | |
586 | continue; | |
587 | if (strncmp(vbuf, "external:", 9) != 0 || | |
66ccd96e | 588 | !is_subarray(vbuf+9) || |
c69b251b N |
589 | strncmp(vbuf+10, sra->sys_name, nlen) != 0 || |
590 | vbuf[10+nlen] != '/') | |
591 | continue; | |
4dd2df09 | 592 | devid = devnm2devid(de->d_name); |
c2ecf5f6 | 593 | printf(" %s", map_dev_preferred( |
4dd2df09 N |
594 | major(devid), |
595 | minor(devid), 1, c->prefer)); | |
c69b251b N |
596 | } |
597 | if (dir) | |
598 | closedir(dir); | |
599 | printf("\n\n"); | |
600 | } | |
601 | ||
602 | if (array.raid_disks) | |
603 | printf(" Number Major Minor RaidDevice State\n"); | |
604 | else | |
605 | printf(" Number Major Minor RaidDevice\n"); | |
cd29a5c8 | 606 | } |
a1f976a0 | 607 | free(info); |
b0c63f32 | 608 | |
8057db46 | 609 | for (d= 0; d < max_disks * 2; d++) { |
b0c63f32 NB |
610 | char *dv; |
611 | mdu_disk_info_t disk = disks[d]; | |
612 | ||
24c7bc84 N |
613 | if (d >= array.raid_disks*2 && |
614 | disk.major == 0 && | |
615 | disk.minor == 0) | |
616 | continue; | |
617 | if ((d & 1) && | |
e0d19036 NB |
618 | disk.major == 0 && |
619 | disk.minor == 0) | |
620 | continue; | |
ef898ce6 | 621 | if (!c->brief) { |
24c7bc84 | 622 | if (d == array.raid_disks*2) printf("\n"); |
e652d1aa | 623 | if (disk.number < 0 && disk.raid_disk < 0) |
e6fc80a8 N |
624 | printf(" - %5d %5d - ", |
625 | disk.major, disk.minor); | |
6fe4c616 | 626 | else if (disk.raid_disk < 0 || disk.state & (1<<MD_DISK_JOURNAL)) |
aba69144 | 627 | printf(" %5d %5d %5d - ", |
e5329c37 | 628 | disk.number, disk.major, disk.minor); |
78a5dc03 N |
629 | else if (disk.number < 0) |
630 | printf(" - %5d %5d %5d ", | |
631 | disk.major, disk.minor, disk.raid_disk); | |
e5329c37 | 632 | else |
aba69144 | 633 | printf(" %5d %5d %5d %5d ", |
e5329c37 | 634 | disk.number, disk.major, disk.minor, disk.raid_disk); |
c69b251b | 635 | } |
ef898ce6 | 636 | if (!c->brief && array.raid_disks) { |
c69b251b | 637 | |
aba69144 NB |
638 | if (disk.state & (1<<MD_DISK_FAULTY)) { |
639 | printf(" faulty"); | |
e5329c37 NB |
640 | if (disk.raid_disk < array.raid_disks && |
641 | disk.raid_disk >= 0) | |
642 | failed++; | |
643 | } | |
cd29a5c8 | 644 | if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active"); |
2c096ebe N |
645 | if (disk.state & (1<<MD_DISK_SYNC)) { |
646 | printf(" sync"); | |
647 | if (array.level == 10 && (array.layout & ~0x1FFFF) == 0) { | |
648 | int nc = array.layout & 0xff; | |
649 | int fc = (array.layout >> 8) & 0xff; | |
650 | int copies = nc*fc; | |
787e234d | 651 | if (fc == 1 && array.raid_disks % copies == 0 && copies <= 26) { |
2c096ebe N |
652 | /* We can divide the devices into 'sets' */ |
653 | int set = disk.raid_disk % copies; | |
654 | printf(" set-%c", set + 'A'); | |
655 | } | |
656 | } | |
657 | } | |
cd29a5c8 | 658 | if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed"); |
b0c63f32 | 659 | if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly"); |
ed94976d | 660 | if (disk.state & (1<<MD_DISK_JOURNAL)) printf(" journal"); |
b0c63f32 | 661 | if ((disk.state & |
71ec7076 | 662 | ((1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC) |
ed94976d | 663 | |(1<<MD_DISK_REMOVED)|(1<<MD_DISK_FAULTY)|(1<<MD_DISK_JOURNAL))) |
b0c63f32 NB |
664 | == 0) { |
665 | printf(" spare"); | |
e5329c37 NB |
666 | if (is_26) { |
667 | if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0) | |
668 | printf(" rebuilding"); | |
669 | } else if (is_rebuilding && failed) { | |
670 | /* Taking a bit of a risk here, we remove the | |
671 | * device from the array, and then put it back. | |
672 | * If this fails, we are rebuilding | |
673 | */ | |
0df46c2a NB |
674 | int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor)); |
675 | if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor)); | |
e5329c37 NB |
676 | if (err && errno == EBUSY) |
677 | printf(" rebuilding"); | |
678 | } | |
679 | } | |
feb716e9 | 680 | } |
e5329c37 | 681 | if (disk.state == 0) spares++; |
ca3b6696 N |
682 | dv=map_dev_preferred(disk.major, disk.minor, 0, c->prefer); |
683 | if (dv != NULL) { | |
b76dc299 MW |
684 | if (c->brief) |
685 | n_devices = add_device(dv, &devices, | |
686 | &max_devices, | |
687 | n_devices); | |
688 | else | |
d013a55e | 689 | printf(" %s", dv); |
82b27616 | 690 | } |
ef898ce6 | 691 | if (!c->brief) printf("\n"); |
64c4757e | 692 | } |
ef898ce6 N |
693 | if (spares && c->brief && array.raid_disks) printf(" spares=%d", spares); |
694 | if (c->brief && st && st->sb) | |
3da92f27 | 695 | st->ss->brief_detail_super(st); |
db428d7a LD |
696 | if (st) |
697 | st->ss->free_super(st); | |
4b1ac34b | 698 | |
41a663b2 | 699 | if (c->brief && c->verbose > 0 && devices) { |
700 | qsort(devices, n_devices, sizeof(*devices), cmpstringp); | |
701 | printf("\n devices=%s", devices[0]); | |
702 | for (d = 1; d < n_devices; d++) | |
703 | printf(",%s", devices[d]); | |
704 | } | |
ef898ce6 N |
705 | if (c->brief) |
706 | printf("\n"); | |
707 | if (c->test && | |
a77be586 | 708 | !enough(array.level, array.raid_disks, array.layout, |
de5a472e | 709 | 1, avail)) |
a77be586 NB |
710 | rv = 2; |
711 | ||
0eb26465 | 712 | free(disks); |
a328c097 | 713 | out: |
e5329c37 | 714 | close(fd); |
4725bc31 | 715 | free(subarray); |
d0673517 | 716 | free(avail); |
41a663b2 | 717 | for (d = 0; d < n_devices; d++) |
718 | free(devices[d]); | |
719 | free(devices); | |
5454b6f3 | 720 | sysfs_free(sra); |
feb716e9 | 721 | return rv; |
64c4757e | 722 | } |
4cce4069 | 723 | |
9eafa1de | 724 | int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path) |
4cce4069 DW |
725 | { |
726 | /* display platform capabilities for the given metadata format | |
727 | * 'scan' in this context means iterate over all metadata types | |
728 | */ | |
729 | int i; | |
730 | int err = 1; | |
731 | ||
e50cf220 | 732 | if (ss && export && ss->export_detail_platform) |
9eafa1de | 733 | err = ss->export_detail_platform(verbose, controller_path); |
e50cf220 | 734 | else if (ss && ss->detail_platform) |
9eafa1de | 735 | err = ss->detail_platform(verbose, 0, controller_path); |
4cce4069 | 736 | else if (ss) { |
ba728be7 | 737 | if (verbose > 0) |
e7b84f9d | 738 | pr_err("%s metadata is platform independent\n", |
4cce4069 DW |
739 | ss->name ? : "[no name]"); |
740 | } else if (!scan) { | |
ba728be7 | 741 | if (verbose > 0) |
e7b84f9d | 742 | pr_err("specify a metadata type or --scan\n"); |
4cce4069 DW |
743 | } |
744 | ||
745 | if (!scan) | |
746 | return err; | |
747 | ||
9590cb42 | 748 | err = 0; |
4cce4069 DW |
749 | for (i = 0; superlist[i]; i++) { |
750 | struct superswitch *meta = superlist[i]; | |
751 | ||
752 | if (meta == ss) | |
753 | continue; | |
ba728be7 | 754 | if (verbose > 0) |
e7b84f9d | 755 | pr_err("checking metadata %s\n", |
4cce4069 DW |
756 | meta->name ? : "[no name]"); |
757 | if (!meta->detail_platform) { | |
ba728be7 | 758 | if (verbose > 0) |
e7b84f9d | 759 | pr_err("%s metadata is platform independent\n", |
4cce4069 | 760 | meta->name ? : "[no name]"); |
e50cf220 | 761 | } else if (export && meta->export_detail_platform) { |
9eafa1de | 762 | err |= meta->export_detail_platform(verbose, controller_path); |
4cce4069 | 763 | } else |
9eafa1de | 764 | err |= meta->detail_platform(verbose, 0, controller_path); |
4cce4069 DW |
765 | } |
766 | ||
767 | return err; | |
768 | } |