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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 | * |
18361a1a | 4 | * Copyright (C) 2001-2012 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> |
c82f047c | 23 | * |
aba69144 | 24 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 25 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
26 | */ |
27 | ||
9a9dab36 | 28 | #include "mdadm.h" |
64c4757e | 29 | #include "md_p.h" |
dd0781e5 | 30 | #include <ctype.h> |
64c4757e | 31 | |
3cbc4d12 | 32 | |
4977146a N |
33 | static int scan_assemble(struct supertype *ss, |
34 | struct context *c, | |
35 | struct mddev_ident *ident); | |
ef898ce6 | 36 | static int misc_scan(char devmode, struct context *c); |
ba728be7 | 37 | static int stop_scan(int verbose); |
7d27d1c0 | 38 | static int misc_list(struct mddev_dev *devlist, |
86da243f N |
39 | struct mddev_ident *ident, |
40 | struct supertype *ss, struct context *c); | |
7d27d1c0 | 41 | |
3cbc4d12 | 42 | |
52826846 NB |
43 | int main(int argc, char *argv[]) |
44 | { | |
e0d19036 | 45 | int mode = 0; |
52826846 | 46 | int opt; |
e0d19036 | 47 | int option_index; |
52826846 | 48 | int rv; |
f9ce90ba | 49 | int i; |
52826846 NB |
50 | |
51 | int chunk = 0; | |
d04f65f4 | 52 | unsigned long long size = 0; |
a93f8c65 | 53 | unsigned long long array_size = 0; |
98c6faba NB |
54 | int level = UnSet; |
55 | int layout = UnSet; | |
19678e53 | 56 | char *layout_str = NULL; |
52826846 NB |
57 | int raiddisks = 0; |
58 | int sparedisks = 0; | |
fa56eddb | 59 | struct mddev_ident ident; |
52826846 | 60 | char *configfile = NULL; |
1c7a808c | 61 | int devmode = 0; |
dfd4d8ee | 62 | int write_behind = 0; |
c82f047c NB |
63 | int bitmap_fd = -1; |
64 | char *bitmap_file = NULL; | |
65 | int bitmap_chunk = UnSet; | |
a655e550 N |
66 | struct mddev_dev *devlist = NULL; |
67 | struct mddev_dev **devlistend = & devlist; | |
68 | struct mddev_dev *dv; | |
52826846 | 69 | int devs_found = 0; |
dd0781e5 | 70 | int assume_clean = 0; |
38098016 | 71 | char *symlinks = NULL; |
2dddadb0 | 72 | int grow_continue = 0; |
f1ae21c4 NB |
73 | /* autof indicates whether and how to create device node. |
74 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
75 | * 0 - unset | |
76 | * 1 - don't create (no) | |
77 | * 2 - if is_standard, then create (yes) | |
78 | * 3 - create as 'md' - reject is_standard mdp (md) | |
79 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
80 | * 5 - default to md if not is_standard (md in config file) | |
81 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
82 | */ | |
9e33d556 N |
83 | struct context c = { |
84 | .require_homehost = 1, | |
85 | }; | |
52826846 | 86 | |
05697ec1 | 87 | char sys_hostname[256]; |
52826846 NB |
88 | char *mailaddr = NULL; |
89 | char *program = NULL; | |
9a36a9b7 | 90 | int increments = 20; |
d013a55e | 91 | int daemonise = 0; |
b5e64645 | 92 | char *pidfile = NULL; |
aa88f531 | 93 | int oneshot = 0; |
edde9560 | 94 | int spare_sharing = 1; |
82d9eba6 | 95 | struct supertype *ss = NULL; |
dfd4d8ee | 96 | int writemostly = 0; |
c06487ce | 97 | char *shortopt = short_options; |
773135f5 | 98 | int dosyslog = 0; |
8382f19b | 99 | int rebuild_map = 0; |
950bc344 | 100 | char *remove_path = NULL; |
20b60dcd | 101 | char *udev_filename = NULL; |
52826846 | 102 | |
3d4064cc | 103 | int print_help = 0; |
0047d254 | 104 | FILE *outf; |
e5329c37 | 105 | |
52826846 NB |
106 | int mdfd = -1; |
107 | ||
dfe47e00 NB |
108 | srandom(time(0) ^ getpid()); |
109 | ||
52826846 | 110 | ident.uuid_set=0; |
98c6faba NB |
111 | ident.level = UnSet; |
112 | ident.raid_disks = UnSet; | |
113 | ident.super_minor= UnSet; | |
52826846 | 114 | ident.devices=0; |
a75f2fbc NB |
115 | ident.spare_group = NULL; |
116 | ident.autof = 0; | |
a825febc | 117 | ident.st = NULL; |
c82f047c | 118 | ident.bitmap_fd = -1; |
7ef02d01 | 119 | ident.bitmap_file = NULL; |
947fd4dd | 120 | ident.name[0] = 0; |
aef35714 N |
121 | ident.container = NULL; |
122 | ident.member = NULL; | |
52826846 | 123 | |
e0d19036 NB |
124 | while ((option_index = -1) , |
125 | (opt=getopt_long(argc, argv, | |
c06487ce | 126 | shortopt, long_options, |
e0d19036 NB |
127 | &option_index)) != -1) { |
128 | int newmode = mode; | |
35904960 | 129 | /* firstly, some mode-independent options */ |
52826846 | 130 | switch(opt) { |
1c7a808c N |
131 | case HelpOptions: |
132 | print_help = 2; | |
133 | continue; | |
52826846 | 134 | case 'h': |
1c7a808c | 135 | print_help = 1; |
3d4064cc | 136 | continue; |
52826846 NB |
137 | |
138 | case 'V': | |
139 | fputs(Version, stderr); | |
140 | exit(0); | |
141 | ||
9e33d556 | 142 | case 'v': c.verbose++; |
52826846 NB |
143 | continue; |
144 | ||
0937132d | 145 | case 'q': c.verbose--; |
dab6685f NB |
146 | continue; |
147 | ||
c82f047c | 148 | case 'b': |
1c7a808c N |
149 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE |
150 | || mode == GROW || mode == INCREMENTAL | |
151 | || mode == MANAGE) | |
c82f047c | 152 | break; /* b means bitmap */ |
1c7a808c | 153 | case Brief: |
9e33d556 | 154 | c.brief = 1; |
cd29a5c8 NB |
155 | continue; |
156 | ||
9e33d556 | 157 | case 'Y': c.export++; |
54bad364 KS |
158 | continue; |
159 | ||
997aed5d | 160 | case HomeHost: |
0ac91628 | 161 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 162 | c.require_homehost = 0; |
0ac91628 | 163 | else |
9e33d556 | 164 | c.homehost = optarg; |
997aed5d NB |
165 | continue; |
166 | ||
08ca2adf JS |
167 | /* |
168 | * --offroot sets first char of argv[0] to @. This is used | |
18361a1a | 169 | * by systemd to signal that the task was launched from |
08ca2adf JS |
170 | * initrd/initramfs and should be preserved during shutdown |
171 | */ | |
172 | case OffRootOpt: | |
173 | argv[0][0] = '@'; | |
a0963a86 | 174 | __offroot = 1; |
08ca2adf JS |
175 | continue; |
176 | ||
c2ecf5f6 | 177 | case Prefer: |
9e33d556 N |
178 | if (c.prefer) |
179 | free(c.prefer); | |
180 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
181 | c.prefer = NULL; | |
c2ecf5f6 N |
182 | continue; |
183 | ||
e0d19036 NB |
184 | case ':': |
185 | case '?': | |
186 | fputs(Usage, stderr); | |
187 | exit(2); | |
188 | } | |
189 | /* second, figure out the mode. | |
190 | * Some options force the mode. Others | |
aba69144 | 191 | * set the mode if it isn't already |
e0d19036 NB |
192 | */ |
193 | ||
194 | switch(opt) { | |
1c7a808c | 195 | case ManageOpt: |
c06487ce | 196 | newmode = MANAGE; |
024768c4 | 197 | shortopt = short_bitmap_options; |
c06487ce | 198 | break; |
e0d19036 | 199 | case 'a': |
1c7a808c | 200 | case Add: |
e0d19036 | 201 | case 'r': |
1c7a808c | 202 | case Remove: |
e0d19036 | 203 | case 'f': |
1c7a808c | 204 | case Fail: |
41a3b72a | 205 | case ReAdd: /* re-add */ |
c06487ce NB |
206 | if (!mode) { |
207 | newmode = MANAGE; | |
024768c4 | 208 | shortopt = short_bitmap_options; |
c06487ce | 209 | } |
0320ea45 | 210 | break; |
e0d19036 | 211 | |
18361a1a N |
212 | case 'A': newmode = ASSEMBLE; |
213 | shortopt = short_bitmap_auto_options; | |
214 | break; | |
215 | case 'B': newmode = BUILD; | |
216 | shortopt = short_bitmap_auto_options; | |
217 | break; | |
218 | case 'C': newmode = CREATE; | |
219 | shortopt = short_bitmap_auto_options; | |
220 | break; | |
221 | case 'F': newmode = MONITOR; | |
222 | break; | |
024768c4 DL |
223 | case 'G': newmode = GROW; |
224 | shortopt = short_bitmap_options; | |
225 | break; | |
95b79df0 | 226 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
227 | shortopt = short_bitmap_auto_options; |
228 | break; | |
1f48664b | 229 | case AutoDetect: |
5a53aeec JS |
230 | newmode = AUTODETECT; |
231 | break; | |
e0d19036 | 232 | |
1c7a808c | 233 | case MiscOpt: |
e0d19036 NB |
234 | case 'D': |
235 | case 'E': | |
c82f047c | 236 | case 'X': |
5a53aeec JS |
237 | case 'Q': |
238 | newmode = MISC; | |
239 | break; | |
240 | ||
e0d19036 NB |
241 | case 'R': |
242 | case 'S': | |
243 | case 'o': | |
244 | case 'w': | |
b90c0e9a | 245 | case 'W': |
1c7a808c | 246 | case WaitOpt: |
1770662b | 247 | case Waitclean: |
4cce4069 | 248 | case DetailPlatform: |
33414a01 | 249 | case KillSubarray: |
aa534678 | 250 | case UpdateSubarray: |
20b60dcd | 251 | case UdevRules: |
f7d3febc | 252 | case KillOpt: |
5a53aeec JS |
253 | if (!mode) |
254 | newmode = MISC; | |
255 | break; | |
256 | ||
257 | case NoSharing: | |
258 | newmode = MONITOR; | |
259 | break; | |
e0d19036 NB |
260 | } |
261 | if (mode && newmode == mode) { | |
262 | /* everybody happy ! */ | |
263 | } else if (mode && newmode != mode) { | |
264 | /* not allowed.. */ | |
e7b84f9d | 265 | pr_err(""); |
e0d19036 NB |
266 | if (option_index >= 0) |
267 | fprintf(stderr, "--%s", long_options[option_index].name); | |
268 | else | |
269 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 270 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
271 | map_num(modes, newmode), |
272 | map_num(modes, mode)); | |
273 | exit(2); | |
274 | } else if (!mode && newmode) { | |
275 | mode = newmode; | |
dec18cae | 276 | if (mode == MISC && devs_found) { |
e7b84f9d | 277 | pr_err("No action given for %s in --misc mode\n", |
dec18cae N |
278 | devlist->devname); |
279 | fprintf(stderr," Action options must come before device names\n"); | |
280 | exit(2); | |
281 | } | |
e0d19036 NB |
282 | } else { |
283 | /* special case of -c --help */ | |
1c7a808c | 284 | if ((opt == 'c' || opt == ConfigFile) && |
e0d19036 NB |
285 | ( strncmp(optarg, "--h", 3)==0 || |
286 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 287 | fputs(Help_config, stdout); |
e0d19036 | 288 | exit(0); |
cd29a5c8 | 289 | } |
0320ea45 NB |
290 | |
291 | /* If first option is a device, don't force the mode yet */ | |
292 | if (opt == 1) { | |
293 | if (devs_found == 0) { | |
503975b9 | 294 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
295 | dv->devname = optarg; |
296 | dv->disposition = devmode; | |
dfd4d8ee | 297 | dv->writemostly = writemostly; |
da6b5ca9 | 298 | dv->used = 0; |
0320ea45 NB |
299 | dv->next = NULL; |
300 | *devlistend = dv; | |
301 | devlistend = &dv->next; | |
aba69144 | 302 | |
0320ea45 NB |
303 | devs_found++; |
304 | continue; | |
305 | } | |
306 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 307 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 308 | " (%s) is listed\n", optarg); |
0320ea45 NB |
309 | exit(2); |
310 | } | |
e0d19036 | 311 | if (option_index >= 0) |
e7b84f9d | 312 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 313 | else |
e7b84f9d | 314 | pr_err("-%c", opt); |
0320ea45 | 315 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
316 | exit(2); |
317 | } | |
318 | ||
319 | /* if we just set the mode, then done */ | |
320 | switch(opt) { | |
1c7a808c N |
321 | case ManageOpt: |
322 | case MiscOpt: | |
e0d19036 NB |
323 | case 'A': |
324 | case 'B': | |
325 | case 'C': | |
326 | case 'F': | |
dd0781e5 | 327 | case 'G': |
8382f19b | 328 | case 'I': |
1f48664b | 329 | case AutoDetect: |
e0d19036 NB |
330 | continue; |
331 | } | |
332 | if (opt == 1) { | |
333 | /* an undecorated option - must be a device name. | |
334 | */ | |
1c7a808c | 335 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
e7b84f9d | 336 | pr_err("Must give one of -a/-r/-f" |
1c7a808c | 337 | " for subsequent devices at %s\n", optarg); |
52826846 NB |
338 | exit(2); |
339 | } | |
1c7a808c | 340 | if (devs_found > 0 && mode == GROW && !devmode) { |
e7b84f9d N |
341 | pr_err("Must give -a/--add for" |
342 | " devices to add: %s\n", optarg); | |
e5329c37 NB |
343 | exit(2); |
344 | } | |
503975b9 | 345 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
346 | dv->devname = optarg; |
347 | dv->disposition = devmode; | |
dfd4d8ee | 348 | dv->writemostly = writemostly; |
9008ed1c | 349 | dv->used = 0; |
cd29a5c8 NB |
350 | dv->next = NULL; |
351 | *devlistend = dv; | |
352 | devlistend = &dv->next; | |
aba69144 | 353 | |
52826846 NB |
354 | devs_found++; |
355 | continue; | |
682c7051 | 356 | } |
682c7051 | 357 | |
52826846 NB |
358 | /* We've got a mode, and opt is now something else which |
359 | * could depend on the mode */ | |
1c7a808c | 360 | #define O(a,b) ((a<<16)|b) |
52826846 | 361 | switch (O(mode,opt)) { |
7236ee7a | 362 | case O(GROW,'c'): |
1c7a808c | 363 | case O(GROW,ChunkSize): |
e0d19036 | 364 | case O(CREATE,'c'): |
1c7a808c | 365 | case O(CREATE,ChunkSize): |
e0d19036 | 366 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 367 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
52826846 | 368 | if (chunk) { |
e7b84f9d | 369 | pr_err("chunk/rounding may only be specified once. " |
52826846 NB |
370 | "Second value is %s.\n", optarg); |
371 | exit(2); | |
372 | } | |
36fad8ec | 373 | chunk = parse_size(optarg); |
a252c078 | 374 | if (chunk < 8 || (chunk&1)) { |
e7b84f9d | 375 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
376 | optarg); |
377 | exit(2); | |
378 | } | |
a252c078 | 379 | /* Convert sectors to K */ |
36fad8ec | 380 | chunk /= 2; |
52826846 | 381 | continue; |
64c4757e | 382 | |
8382f19b | 383 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
384 | case O(CREATE,'e'): |
385 | case O(ASSEMBLE,'e'): | |
386 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
387 | if (ss) { | |
e7b84f9d | 388 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
389 | exit(2); |
390 | } | |
aba69144 | 391 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
392 | ss = superlist[i]->match_metadata_desc(optarg); |
393 | ||
f9ce90ba | 394 | if (!ss) { |
e7b84f9d | 395 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
396 | exit(2); |
397 | } | |
398 | continue; | |
399 | ||
dfd4d8ee | 400 | case O(MANAGE,'W'): |
1c7a808c | 401 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 402 | case O(BUILD,'W'): |
1c7a808c | 403 | case O(BUILD,WriteMostly): |
dfd4d8ee | 404 | case O(CREATE,'W'): |
1c7a808c | 405 | case O(CREATE,WriteMostly): |
dfd4d8ee NB |
406 | /* set write-mostly for following devices */ |
407 | writemostly = 1; | |
408 | continue; | |
409 | ||
b3d31955 N |
410 | case O(MANAGE,'w'): |
411 | /* clear write-mostly for following devices */ | |
412 | writemostly = 2; | |
413 | continue; | |
414 | ||
415 | ||
dd0781e5 | 416 | case O(GROW,'z'): |
25affb56 PC |
417 | case O(CREATE,'z'): |
418 | case O(BUILD,'z'): /* size */ | |
d04f65f4 | 419 | if (size > 0) { |
e7b84f9d | 420 | pr_err("size may only be specified once. " |
52826846 NB |
421 | "Second value is %s.\n", optarg); |
422 | exit(2); | |
423 | } | |
dd0781e5 | 424 | if (strcmp(optarg, "max")==0) |
d04f65f4 | 425 | size = MAX_SIZE; |
dd0781e5 | 426 | else { |
5f4fc0e1 N |
427 | size = parse_size(optarg); |
428 | if (size < 8) { | |
e7b84f9d | 429 | pr_err("invalid size: %s\n", |
dd0781e5 NB |
430 | optarg); |
431 | exit(2); | |
432 | } | |
5f4fc0e1 N |
433 | /* convert sectors to K */ |
434 | size /= 2; | |
52826846 NB |
435 | } |
436 | continue; | |
64c4757e | 437 | |
84e11361 | 438 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 439 | if (array_size > 0) { |
e7b84f9d | 440 | pr_err("array-size may only be specified once. " |
84e11361 N |
441 | "Second value is %s.\n", optarg); |
442 | exit(2); | |
443 | } | |
444 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 445 | array_size = MAX_SIZE; |
84e11361 N |
446 | else { |
447 | array_size = parse_size(optarg); | |
448 | if (array_size <= 0) { | |
e7b84f9d | 449 | pr_err("invalid array size: %s\n", |
84e11361 N |
450 | optarg); |
451 | exit(2); | |
452 | } | |
453 | } | |
454 | continue; | |
455 | ||
7236ee7a | 456 | case O(GROW,'l'): |
e0d19036 NB |
457 | case O(CREATE,'l'): |
458 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 459 | if (level != UnSet) { |
e7b84f9d | 460 | pr_err("raid level may only be set once. " |
52826846 NB |
461 | "Second value is %s.\n", optarg); |
462 | exit(2); | |
463 | } | |
464 | level = map_name(pers, optarg); | |
98c6faba | 465 | if (level == UnSet) { |
e7b84f9d | 466 | pr_err("invalid raid level: %s\n", |
52826846 NB |
467 | optarg); |
468 | exit(2); | |
469 | } | |
e0fe762a N |
470 | if (level != 0 && level != LEVEL_LINEAR && level != 1 && |
471 | level != LEVEL_MULTIPATH && level != LEVEL_FAULTY && | |
472 | level != 10 && | |
473 | mode == BUILD) { | |
e7b84f9d | 474 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
475 | optarg); |
476 | exit(2); | |
477 | } | |
e0d19036 | 478 | if (sparedisks > 0 && level < 1 && level >= -1) { |
e7b84f9d | 479 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
480 | optarg); |
481 | exit(2); | |
482 | } | |
cd29a5c8 | 483 | ident.level = level; |
52826846 | 484 | continue; |
64c4757e | 485 | |
19678e53 | 486 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 487 | case O(GROW, Layout): |
19678e53 | 488 | if (layout_str) { |
e7b84f9d N |
489 | pr_err("layout may only be sent once. " |
490 | "Second value was %s\n", optarg); | |
19678e53 N |
491 | exit(2); |
492 | } | |
493 | layout_str = optarg; | |
494 | /* 'Grow' will parse the value */ | |
495 | continue; | |
496 | ||
e0d19036 | 497 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 498 | case O(CREATE,Layout): |
b5e64645 | 499 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 500 | case O(BUILD,Layout): |
e5329c37 | 501 | if (layout != UnSet) { |
e7b84f9d N |
502 | pr_err("layout may only be sent once. " |
503 | "Second value was %s\n", optarg); | |
52826846 NB |
504 | exit(2); |
505 | } | |
506 | switch(level) { | |
507 | default: | |
e7b84f9d | 508 | pr_err("layout not meaningful for %s arrays.\n", |
52826846 NB |
509 | map_num(pers, level)); |
510 | exit(2); | |
98c6faba | 511 | case UnSet: |
e7b84f9d | 512 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
513 | exit(2); |
514 | ||
515 | case 5: | |
516 | layout = map_name(r5layout, optarg); | |
98c6faba | 517 | if (layout==UnSet) { |
e7b84f9d | 518 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
519 | optarg); |
520 | exit(2); | |
521 | } | |
522 | break; | |
b640a252 N |
523 | case 6: |
524 | layout = map_name(r6layout, optarg); | |
525 | if (layout==UnSet) { | |
e7b84f9d | 526 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
527 | optarg); |
528 | exit(2); | |
529 | } | |
530 | break; | |
e5329c37 NB |
531 | |
532 | case 10: | |
4a06e2c2 N |
533 | layout = parse_layout_10(optarg); |
534 | if (layout < 0) { | |
e7b84f9d | 535 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
536 | exit(2); |
537 | } | |
e5329c37 | 538 | break; |
19678e53 N |
539 | case LEVEL_FAULTY: |
540 | /* Faulty | |
541 | * modeNNN | |
542 | */ | |
4a06e2c2 N |
543 | layout = parse_layout_faulty(optarg); |
544 | if (layout == -1) { | |
e7b84f9d | 545 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
546 | optarg); |
547 | exit(2); | |
548 | } | |
4a06e2c2 | 549 | break; |
52826846 NB |
550 | } |
551 | continue; | |
552 | ||
997aed5d NB |
553 | case O(CREATE,AssumeClean): |
554 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 555 | case O(GROW,AssumeClean): |
dd0781e5 NB |
556 | assume_clean = 1; |
557 | continue; | |
558 | ||
559 | case O(GROW,'n'): | |
e0d19036 NB |
560 | case O(CREATE,'n'): |
561 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 562 | if (raiddisks) { |
e7b84f9d | 563 | pr_err("raid-devices set twice: %d and %s\n", |
52826846 NB |
564 | raiddisks, optarg); |
565 | exit(2); | |
566 | } | |
79868890 N |
567 | raiddisks = parse_num(optarg); |
568 | if (raiddisks <= 0) { | |
e7b84f9d | 569 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
570 | optarg); |
571 | exit(2); | |
572 | } | |
cd29a5c8 | 573 | ident.raid_disks = raiddisks; |
52826846 NB |
574 | continue; |
575 | ||
18361a1a | 576 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
52826846 | 577 | if (sparedisks) { |
e7b84f9d N |
578 | pr_err("spare-devices set twice: %d and %s\n", |
579 | sparedisks, optarg); | |
52826846 NB |
580 | exit(2); |
581 | } | |
98c6faba | 582 | if (level != UnSet && level <= 0 && level >= -1) { |
e7b84f9d | 583 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
584 | level); |
585 | exit(2); | |
586 | } | |
79868890 N |
587 | sparedisks = parse_num(optarg); |
588 | if (sparedisks < 0) { | |
e7b84f9d | 589 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
590 | optarg); |
591 | exit(2); | |
592 | } | |
593 | continue; | |
dd0781e5 NB |
594 | |
595 | case O(CREATE,'a'): | |
1c7a808c | 596 | case O(CREATE,Auto): |
dd0781e5 | 597 | case O(BUILD,'a'): |
1c7a808c | 598 | case O(BUILD,Auto): |
95b79df0 | 599 | case O(INCREMENTAL,'a'): |
1c7a808c N |
600 | case O(INCREMENTAL,Auto): |
601 | case O(ASSEMBLE,'a'): | |
602 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 603 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
604 | continue; |
605 | ||
38098016 NB |
606 | case O(CREATE,Symlinks): |
607 | case O(BUILD,Symlinks): | |
608 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
609 | symlinks = optarg; | |
610 | continue; | |
611 | ||
aa88f531 | 612 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 613 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 614 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 615 | case O(GROW,Force): /* ditto */ |
e0d19036 | 616 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 617 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 618 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 619 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 620 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 621 | case O(MISC,Force): /* force zero */ |
11b391ec | 622 | case O(MANAGE,Force): /* add device which is too large */ |
9e33d556 | 623 | c.force=1; |
52826846 | 624 | continue; |
52826846 | 625 | /* now for the Assemble options */ |
b76b30e0 AK |
626 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
627 | * initrd phase */ | |
628 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 629 | c.freeze_reshape = 1; |
b76b30e0 | 630 | continue; |
3d3dd91e | 631 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 632 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 633 | if (ident.uuid_set) { |
e7b84f9d | 634 | pr_err("uuid cannot be set twice. " |
52826846 NB |
635 | "Second value %s.\n", optarg); |
636 | exit(2); | |
637 | } | |
638 | if (parse_uuid(optarg, ident.uuid)) | |
639 | ident.uuid_set = 1; | |
640 | else { | |
e7b84f9d | 641 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
642 | exit(2); |
643 | } | |
644 | continue; | |
645 | ||
947fd4dd NB |
646 | case O(CREATE,'N'): |
647 | case O(ASSEMBLE,'N'): | |
aa534678 | 648 | case O(MISC,'N'): |
947fd4dd | 649 | if (ident.name[0]) { |
e7b84f9d | 650 | pr_err("name cannot be set twice. " |
947fd4dd NB |
651 | "Second value %s.\n", optarg); |
652 | exit(2); | |
653 | } | |
9e33d556 | 654 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 655 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
656 | exit(2); |
657 | } | |
947fd4dd | 658 | if (strlen(optarg) > 32) { |
e7b84f9d | 659 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
660 | optarg); |
661 | exit(2); | |
662 | } | |
663 | strcpy(ident.name, optarg); | |
664 | continue; | |
665 | ||
e0d19036 | 666 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 667 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 668 | if (ident.super_minor != UnSet) { |
e7b84f9d | 669 | pr_err("super-minor cannot be set twice. " |
cd29a5c8 NB |
670 | "Second value: %s.\n", optarg); |
671 | exit(2); | |
672 | } | |
d013a55e NB |
673 | if (strcmp(optarg, "dev")==0) |
674 | ident.super_minor = -2; | |
675 | else { | |
79868890 N |
676 | ident.super_minor = parse_num(optarg); |
677 | if (ident.super_minor < 0) { | |
e7b84f9d | 678 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
679 | exit(2); |
680 | } | |
cd29a5c8 NB |
681 | } |
682 | continue; | |
683 | ||
0ea8f5b1 N |
684 | case O(ASSEMBLE,'o'): |
685 | case O(MANAGE,'o'): | |
686 | case O(CREATE,'o'): | |
9e33d556 | 687 | c.readonly = 1; |
0ea8f5b1 N |
688 | continue; |
689 | ||
5787fa49 | 690 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 691 | case O(MISC,'U'): |
9e33d556 | 692 | if (c.update) { |
e7b84f9d | 693 | pr_err("Can only update one aspect" |
833bb0f8 | 694 | " of superblock, both %s and %s given.\n", |
9e33d556 | 695 | c.update, optarg); |
5787fa49 NB |
696 | exit(2); |
697 | } | |
9e33d556 | 698 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 699 | pr_err("Only subarrays can be" |
833bb0f8 | 700 | " updated in misc mode\n"); |
aa534678 DW |
701 | exit(2); |
702 | } | |
9e33d556 N |
703 | c.update = optarg; |
704 | if (strcmp(c.update, "sparc2.2")==0) | |
e5329c37 | 705 | continue; |
9e33d556 | 706 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 707 | continue; |
9e33d556 | 708 | if (strcmp(c.update, "summaries")==0) |
feb716e9 | 709 | continue; |
9e33d556 | 710 | if (strcmp(c.update, "resync")==0) |
e5329c37 | 711 | continue; |
9e33d556 | 712 | if (strcmp(c.update, "uuid")==0) |
7d99579f | 713 | continue; |
9e33d556 | 714 | if (strcmp(c.update, "name")==0) |
c4f12c13 | 715 | continue; |
9e33d556 | 716 | if (strcmp(c.update, "homehost")==0) |
0237e0ca | 717 | continue; |
9e33d556 | 718 | if (strcmp(c.update, "devicesize")==0) |
bee8ec56 | 719 | continue; |
9e33d556 | 720 | if (strcmp(c.update, "no-bitmap")==0) |
5a31170d | 721 | continue; |
9e33d556 | 722 | if (strcmp(c.update, "byteorder")==0) { |
586ed405 | 723 | if (ss) { |
e7b84f9d N |
724 | pr_err("must not set metadata" |
725 | " type with --update=byteorder.\n"); | |
586ed405 NB |
726 | exit(2); |
727 | } | |
aba69144 | 728 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
729 | ss = superlist[i]->match_metadata_desc( |
730 | "0.swap"); | |
586ed405 | 731 | if (!ss) { |
e7b84f9d | 732 | pr_err("INTERNAL ERROR" |
833bb0f8 | 733 | " cannot find 0.swap\n"); |
586ed405 NB |
734 | exit(2); |
735 | } | |
736 | ||
737 | continue; | |
738 | } | |
9e33d556 N |
739 | if (strcmp(c.update,"?") == 0 || |
740 | strcmp(c.update, "help") == 0) { | |
0047d254 NB |
741 | outf = stdout; |
742 | fprintf(outf, Name ": "); | |
743 | } else { | |
744 | outf = stderr; | |
745 | fprintf(outf, | |
746 | Name ": '--update=%s' is invalid. ", | |
9e33d556 | 747 | c.update); |
0047d254 NB |
748 | } |
749 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 | 750 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
5a31170d N |
751 | " 'summaries', 'homehost', 'byteorder', 'devicesize',\n" |
752 | " 'no-bitmap'\n"); | |
0047d254 | 753 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 754 | |
833bb0f8 N |
755 | case O(MANAGE,'U'): |
756 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 757 | if (devmode != 'A') { |
e7b84f9d | 758 | pr_err("--update in Manage mode only" |
833bb0f8 N |
759 | " allowed with --re-add.\n"); |
760 | exit(1); | |
761 | } | |
9e33d556 | 762 | if (c.update) { |
e7b84f9d | 763 | pr_err("Can only update one aspect" |
833bb0f8 | 764 | " of superblock, both %s and %s given.\n", |
9e33d556 | 765 | c.update, optarg); |
833bb0f8 N |
766 | exit(2); |
767 | } | |
9e33d556 N |
768 | c.update = optarg; |
769 | if (strcmp(c.update, "devicesize") != 0) { | |
e7b84f9d | 770 | pr_err("only 'devicesize' can be" |
833bb0f8 N |
771 | " updated with --re-add\n"); |
772 | exit(2); | |
773 | } | |
774 | continue; | |
775 | ||
172356c9 | 776 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 777 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 778 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
779 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
780 | * so we overload slightly */ | |
b8a8ccf9 NB |
781 | continue; |
782 | ||
1c7a808c N |
783 | case O(ASSEMBLE,'c'): |
784 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 785 | case O(INCREMENTAL, 'c'): |
1c7a808c | 786 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 787 | case O(MISC, 'c'): |
1c7a808c | 788 | case O(MISC, ConfigFile): |
e0d19036 | 789 | case O(MONITOR,'c'): |
1c7a808c | 790 | case O(MONITOR,ConfigFile): |
52826846 | 791 | if (configfile) { |
e7b84f9d | 792 | pr_err("configfile cannot be set twice. " |
52826846 NB |
793 | "Second value is %s.\n", optarg); |
794 | exit(2); | |
795 | } | |
796 | configfile = optarg; | |
8aec876d | 797 | set_conffile(configfile); |
52826846 NB |
798 | /* FIXME possibly check that config file exists. Even parse it */ |
799 | continue; | |
e0d19036 NB |
800 | case O(ASSEMBLE,'s'): /* scan */ |
801 | case O(MISC,'s'): | |
802 | case O(MONITOR,'s'): | |
8382f19b | 803 | case O(INCREMENTAL,'s'): |
9e33d556 | 804 | c.scan = 1; |
52826846 NB |
805 | continue; |
806 | ||
e0d19036 | 807 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 808 | case O(MONITOR,EMail): |
52826846 | 809 | if (mailaddr) |
e7b84f9d | 810 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
811 | optarg); |
812 | else | |
813 | mailaddr = optarg; | |
814 | continue; | |
815 | ||
e0d19036 | 816 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 817 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 818 | if (program) |
e7b84f9d | 819 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
820 | optarg); |
821 | else | |
822 | program = optarg; | |
823 | continue; | |
64c4757e | 824 | |
9a36a9b7 | 825 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 826 | case O(MONITOR,Increment): |
9a36a9b7 | 827 | increments = atoi(optarg); |
18361a1a | 828 | if (increments > 99 || increments < 1) { |
e7b84f9d | 829 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
830 | exit(2); |
831 | } | |
832 | continue; | |
833 | ||
e0d19036 | 834 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 835 | case O(GROW, 'd'): |
c82f047c NB |
836 | case O(BUILD,'d'): /* delay for bitmap updates */ |
837 | case O(CREATE,'d'): | |
9e33d556 | 838 | if (c.delay) |
e7b84f9d | 839 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
840 | optarg); |
841 | else { | |
9e33d556 N |
842 | c.delay = parse_num(optarg); |
843 | if (c.delay < 1) { | |
e7b84f9d | 844 | pr_err("invalid delay: %s\n", |
52826846 NB |
845 | optarg); |
846 | exit(2); | |
847 | } | |
848 | } | |
849 | continue; | |
d013a55e | 850 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 851 | case O(MONITOR,Fork): |
d013a55e NB |
852 | daemonise = 1; |
853 | continue; | |
b5e64645 NB |
854 | case O(MONITOR,'i'): /* pid */ |
855 | if (pidfile) | |
e7b84f9d | 856 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
857 | optarg); |
858 | else | |
859 | pidfile = optarg; | |
860 | continue; | |
aa88f531 NB |
861 | case O(MONITOR,'1'): /* oneshot */ |
862 | oneshot = 1; | |
3f555346 | 863 | spare_sharing = 0; |
aa88f531 | 864 | continue; |
98c6faba | 865 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 866 | c.test = 1; |
98c6faba | 867 | continue; |
773135f5 | 868 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 869 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
870 | dosyslog = 1; |
871 | continue; | |
edde9560 AC |
872 | case O(MONITOR, NoSharing): |
873 | spare_sharing = 0; | |
874 | continue; | |
18361a1a | 875 | |
52826846 NB |
876 | /* now the general management options. Some are applicable |
877 | * to other modes. None have arguments. | |
878 | */ | |
e5329c37 | 879 | case O(GROW,'a'): |
1c7a808c N |
880 | case O(GROW,Add): |
881 | case O(MANAGE,'a'): | |
882 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 883 | devmode = 'a'; |
fe80f49b | 884 | continue; |
997aed5d | 885 | case O(MANAGE,ReAdd): |
c8e1a230 | 886 | devmode = 'A'; |
52826846 | 887 | continue; |
e0d19036 | 888 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 889 | case O(MANAGE,Remove): |
52826846 NB |
890 | devmode = 'r'; |
891 | continue; | |
e0d19036 | 892 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
893 | case O(MANAGE,Fail): |
894 | case O(INCREMENTAL,'f'): | |
895 | case O(INCREMENTAL,Remove): | |
896 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
897 | * even though we will both fail and |
898 | * remove the device */ | |
52826846 NB |
899 | devmode = 'f'; |
900 | continue; | |
8382f19b | 901 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
902 | case O(MANAGE,'R'): |
903 | case O(ASSEMBLE,'R'): | |
904 | case O(BUILD,'R'): | |
905 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 906 | if (c.runstop < 0) { |
e7b84f9d | 907 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
908 | exit(2); |
909 | } | |
9e33d556 | 910 | c.runstop = 1; |
52826846 | 911 | continue; |
e0d19036 | 912 | case O(MANAGE,'S'): |
9e33d556 | 913 | if (c.runstop > 0) { |
e7b84f9d | 914 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
915 | exit(2); |
916 | } | |
9e33d556 | 917 | c.runstop = -1; |
52826846 | 918 | continue; |
7d2e6486 | 919 | case O(MANAGE,'t'): |
9e33d556 | 920 | c.test = 1; |
7d2e6486 | 921 | continue; |
52826846 | 922 | |
e0d19036 NB |
923 | case O(MISC,'Q'): |
924 | case O(MISC,'D'): | |
925 | case O(MISC,'E'): | |
f7d3febc | 926 | case O(MISC,KillOpt): |
e0d19036 NB |
927 | case O(MISC,'R'): |
928 | case O(MISC,'S'): | |
c82f047c | 929 | case O(MISC,'X'): |
e0d19036 NB |
930 | case O(MISC,'o'): |
931 | case O(MISC,'w'): | |
b90c0e9a | 932 | case O(MISC,'W'): |
1c7a808c | 933 | case O(MISC, WaitOpt): |
1770662b | 934 | case O(MISC, Waitclean): |
4cce4069 | 935 | case O(MISC, DetailPlatform): |
33414a01 | 936 | case O(MISC, KillSubarray): |
aa534678 | 937 | case O(MISC, UpdateSubarray): |
5a53aeec | 938 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 939 | if (c.subarray) { |
e7b84f9d | 940 | pr_err("subarray can only" |
5a53aeec JS |
941 | " be specified once\n"); |
942 | exit(2); | |
943 | } | |
9e33d556 | 944 | c.subarray = optarg; |
5a53aeec | 945 | } |
e0d19036 NB |
946 | if (devmode && devmode != opt && |
947 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 948 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
949 | if (devmode == 'E') { |
950 | if (option_index >= 0) | |
951 | fprintf(stderr, "--%s\n", | |
952 | long_options[option_index].name); | |
953 | else | |
954 | fprintf(stderr, "-%c\n", opt); | |
955 | } else if (isalpha(devmode)) | |
956 | fprintf(stderr, "-%c\n", devmode); | |
957 | else | |
958 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
959 | exit(2); |
960 | } | |
961 | devmode = opt; | |
962 | continue; | |
7d27d1c0 N |
963 | case O(MISC, UdevRules): |
964 | if (devmode && devmode != opt) { | |
e7b84f9d N |
965 | pr_err("--udev-rules must" |
966 | " be the only option.\n"); | |
7d27d1c0 N |
967 | } else { |
968 | if (udev_filename) | |
e7b84f9d | 969 | pr_err("only specify one udev " |
7d27d1c0 N |
970 | "rule filename. %s ignored.\n", |
971 | optarg); | |
972 | else | |
973 | udev_filename = optarg; | |
974 | } | |
975 | devmode = opt; | |
976 | continue; | |
feb716e9 | 977 | case O(MISC,'t'): |
9e33d556 | 978 | c.test = 1; |
feb716e9 | 979 | continue; |
e0d19036 | 980 | |
997aed5d | 981 | case O(MISC, Sparc22): |
bd526cee | 982 | if (devmode != 'E') { |
e7b84f9d | 983 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
984 | exit(2); |
985 | } | |
9e33d556 | 986 | c.SparcAdjust = 1; |
bd526cee | 987 | continue; |
c82f047c NB |
988 | |
989 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 990 | case O(ASSEMBLE,Bitmap): |
c82f047c | 991 | if (!optarg) { |
e7b84f9d | 992 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
993 | exit(2); |
994 | } | |
55935d51 | 995 | if (strcmp(optarg, "internal")==0) { |
e7b84f9d | 996 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
997 | continue; |
998 | } | |
c82f047c NB |
999 | bitmap_fd = open(optarg, O_RDWR); |
1000 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1001 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1002 | exit(2); |
1003 | } | |
1004 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1005 | continue; | |
f5e166fe | 1006 | |
997aed5d NB |
1007 | case O(ASSEMBLE, BackupFile): |
1008 | case O(GROW, BackupFile): | |
06b0d786 NB |
1009 | /* Specify a file into which grow might place a backup, |
1010 | * or from which assemble might recover a backup | |
1011 | */ | |
9e33d556 | 1012 | if (c.backup_file) { |
e7b84f9d | 1013 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1014 | exit(2); |
1015 | } | |
9e33d556 | 1016 | c.backup_file = optarg; |
06b0d786 NB |
1017 | continue; |
1018 | ||
2dddadb0 AK |
1019 | case O(GROW, Continue): |
1020 | /* Continue interrupted grow | |
1021 | */ | |
1022 | grow_continue = 1; | |
1023 | continue; | |
87f26d14 N |
1024 | case O(ASSEMBLE, InvalidBackup): |
1025 | /* Acknowledge that the backupfile is invalid, but ask | |
1026 | * to continue anyway | |
1027 | */ | |
9e33d556 | 1028 | c.invalid_backup = 1; |
87f26d14 N |
1029 | continue; |
1030 | ||
c82f047c | 1031 | case O(BUILD,'b'): |
1c7a808c N |
1032 | case O(BUILD,Bitmap): |
1033 | case O(CREATE,'b'): | |
1034 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1035 | if (strcmp(optarg, "none") == 0) { |
e7b84f9d | 1036 | pr_err("'--bitmap none' only" |
18361a1a | 1037 | " supported for --grow\n"); |
85375d6d NB |
1038 | exit(2); |
1039 | } | |
1040 | /* FALL THROUGH */ | |
1041 | case O(GROW,'b'): | |
1c7a808c | 1042 | case O(GROW,Bitmap): |
1e0d770c NB |
1043 | if (strcmp(optarg, "internal")== 0 || |
1044 | strcmp(optarg, "none")== 0 || | |
1045 | strchr(optarg, '/') != NULL) { | |
1046 | bitmap_file = optarg; | |
1047 | continue; | |
1048 | } | |
1049 | /* probable typo */ | |
e7b84f9d | 1050 | pr_err("bitmap file must contain a '/', or be 'internal', or 'none'\n" |
a1331cc4 | 1051 | " not '%s'\n", optarg); |
1e0d770c | 1052 | exit(2); |
c82f047c | 1053 | |
997aed5d NB |
1054 | case O(GROW,BitmapChunk): |
1055 | case O(BUILD,BitmapChunk): | |
1056 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
36fad8ec | 1057 | bitmap_chunk = parse_size(optarg); |
15632a96 | 1058 | if (bitmap_chunk <= 0 || |
36fad8ec | 1059 | bitmap_chunk & (bitmap_chunk - 1)) { |
e7b84f9d N |
1060 | pr_err("invalid bitmap chunksize: %s\n", |
1061 | optarg); | |
c82f047c NB |
1062 | exit(2); |
1063 | } | |
15632a96 | 1064 | bitmap_chunk = bitmap_chunk * 512; |
c82f047c | 1065 | continue; |
dfd4d8ee | 1066 | |
7d19ad0d | 1067 | case O(GROW, WriteBehind): |
997aed5d NB |
1068 | case O(BUILD, WriteBehind): |
1069 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
dfd4d8ee NB |
1070 | write_behind = DEFAULT_MAX_WRITE_BEHIND; |
1071 | if (optarg) { | |
79868890 N |
1072 | write_behind = parse_num(optarg); |
1073 | if (write_behind < 0 || | |
dfd4d8ee | 1074 | write_behind > 16383) { |
e7b84f9d | 1075 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1076 | exit(2); |
1077 | } | |
1078 | } | |
1079 | continue; | |
8382f19b NB |
1080 | |
1081 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1082 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1083 | rebuild_map = 1; |
1084 | continue; | |
950bc344 PC |
1085 | case O(INCREMENTAL, IncrementalPath): |
1086 | remove_path = optarg; | |
1087 | continue; | |
52826846 NB |
1088 | } |
1089 | /* We have now processed all the valid options. Anything else is | |
1090 | * an error | |
1091 | */ | |
06b0d786 | 1092 | if (option_index > 0) |
e7b84f9d | 1093 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1094 | long_options[option_index].name, |
1095 | map_num(modes, mode)); | |
1096 | else | |
e7b84f9d | 1097 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1098 | opt, map_num(modes, mode)); |
64c4757e | 1099 | exit(2); |
52826846 NB |
1100 | |
1101 | } | |
1102 | ||
3d4064cc | 1103 | if (print_help) { |
5187a385 | 1104 | char *help_text; |
3d4064cc NB |
1105 | if (print_help == 2) |
1106 | help_text = OptionHelp; | |
1107 | else | |
5187a385 N |
1108 | help_text = mode_help[mode]; |
1109 | if (help_text == NULL) | |
1110 | help_text = Help; | |
0047d254 | 1111 | fputs(help_text,stdout); |
3d4064cc NB |
1112 | exit(0); |
1113 | } | |
1114 | ||
0320ea45 NB |
1115 | if (!mode && devs_found) { |
1116 | mode = MISC; | |
1117 | devmode = 'Q'; | |
1118 | if (devlist->disposition == 0) | |
1119 | devlist->disposition = devmode; | |
1120 | } | |
52826846 NB |
1121 | if (!mode) { |
1122 | fputs(Usage, stderr); | |
64c4757e | 1123 | exit(2); |
64c4757e | 1124 | } |
38098016 NB |
1125 | |
1126 | if (symlinks) { | |
1127 | struct createinfo *ci = conf_get_create_info(); | |
1128 | ||
1129 | if (strcasecmp(symlinks, "yes") == 0) | |
1130 | ci->symlinks = 1; | |
1131 | else if (strcasecmp(symlinks, "no") == 0) | |
1132 | ci->symlinks = 0; | |
1133 | else { | |
e7b84f9d | 1134 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1135 | exit(2); |
1136 | } | |
1137 | } | |
52826846 NB |
1138 | /* Ok, got the option parsing out of the way |
1139 | * hopefully it's mostly right but there might be some stuff | |
1140 | * missing | |
1141 | * | |
e0d19036 | 1142 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1143 | * |
18361a1a N |
1144 | * For @,B,C and A without -s, the first device listed must be |
1145 | * an md device. We check that here and open it. | |
64c4757e | 1146 | */ |
52826846 | 1147 | |
18361a1a N |
1148 | if (mode == MANAGE || mode == BUILD || mode == CREATE |
1149 | || mode == GROW | |
9e33d556 | 1150 | || (mode == ASSEMBLE && ! c.scan)) { |
52826846 | 1151 | if (devs_found < 1) { |
e7b84f9d | 1152 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1153 | exit(2); |
1154 | } | |
9e33d556 | 1155 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1156 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1157 | exit(2); |
1158 | } | |
7f91af49 | 1159 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1160 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1161 | if (mdfd < 0) |
1162 | exit(1); | |
1163 | } else | |
1164 | /* non-existent device is OK */ | |
1165 | mdfd = open_mddev(devlist->devname, 0); | |
1166 | if (mdfd == -2) { | |
e7b84f9d | 1167 | pr_err("device %s exists but is not an " |
7f91af49 | 1168 | "md array.\n", devlist->devname); |
52826846 | 1169 | exit(1); |
7f91af49 | 1170 | } |
98c6faba | 1171 | if ((int)ident.super_minor == -2) { |
d013a55e | 1172 | struct stat stb; |
7f91af49 | 1173 | if (mdfd < 0) { |
e7b84f9d | 1174 | pr_err("--super-minor=dev given, and " |
7f91af49 N |
1175 | "listed device %s doesn't exist.\n", |
1176 | devlist->devname); | |
1177 | exit(1); | |
1178 | } | |
d013a55e | 1179 | fstat(mdfd, &stb); |
0df46c2a | 1180 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1181 | } |
7f91af49 N |
1182 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1183 | /* We don't really want this open yet, we just might | |
1184 | * have wanted to check some things | |
1185 | */ | |
1186 | close(mdfd); | |
1187 | mdfd = -1; | |
1188 | } | |
64c4757e | 1189 | } |
52826846 | 1190 | |
e4c4352e | 1191 | if (raiddisks) { |
9e33d556 | 1192 | if (raiddisks == 1 && !c.force && level != LEVEL_FAULTY) { |
e7b84f9d | 1193 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1194 | " a mistake. If you really mean it you will need to specify --force before\n" |
1195 | " setting the number of drives.\n"); | |
1196 | exit(2); | |
1197 | } | |
1198 | } | |
c82f047c | 1199 | |
9e33d556 N |
1200 | if (c.homehost == NULL) |
1201 | c.homehost = conf_get_homehost(&c.require_homehost); | |
1202 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>")==0) { | |
05697ec1 NB |
1203 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1204 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1205 | c.homehost = sys_hostname; |
05697ec1 NB |
1206 | } |
1207 | } | |
9e33d556 N |
1208 | if (c.homehost && (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { |
1209 | c.homehost = NULL; | |
1210 | c.require_homehost = 0; | |
0f23aa88 | 1211 | } |
997aed5d | 1212 | |
18361a1a N |
1213 | if ((mode == MISC && devmode == 'E') |
1214 | || (mode == MONITOR && spare_sharing == 0)) | |
1215 | /* Anyone may try this */; | |
1216 | else if (geteuid() != 0) { | |
e7b84f9d | 1217 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1218 | exit(1); |
1219 | } | |
1220 | ||
9e33d556 | 1221 | ident.autof = c.autof; |
7f91af49 | 1222 | |
265460ab N |
1223 | if (c.scan && c.verbose < 2) |
1224 | /* --scan implied --brief unless -vv */ | |
1225 | c.brief = 1; | |
1226 | ||
52826846 NB |
1227 | rv = 0; |
1228 | switch(mode) { | |
e0d19036 | 1229 | case MANAGE: |
52826846 | 1230 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1231 | if (c.readonly > 0) |
1232 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1233 | if (!rv && devs_found>1) |
cd29a5c8 | 1234 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1235 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1236 | c.update, c.force); |
1237 | if (!rv && c.readonly < 0) | |
1238 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
1239 | if (!rv && c.runstop) | |
0937132d | 1240 | rv = Manage_runstop(devlist->devname, mdfd, c.runstop, c.verbose, 0); |
52826846 | 1241 | break; |
e0d19036 | 1242 | case ASSEMBLE: |
d013a55e | 1243 | if (devs_found == 1 && ident.uuid_set == 0 && |
9e33d556 | 1244 | ident.super_minor == UnSet && ident.name[0] == 0 && !c.scan ) { |
d013a55e | 1245 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1246 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1247 | if (array_ident == NULL) { |
e7b84f9d | 1248 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1249 | devlist->devname); |
d013a55e | 1250 | rv |= 1; |
7f91af49 N |
1251 | if (mdfd >= 0) |
1252 | close(mdfd); | |
b5e64645 | 1253 | } else { |
7f91af49 | 1254 | if (array_ident->autof == 0) |
9e33d556 | 1255 | array_ident->autof = c.autof; |
7f91af49 | 1256 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1257 | NULL, &c); |
d013a55e | 1258 | } |
9e33d556 | 1259 | } else if (!c.scan) |
7f91af49 | 1260 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1261 | devlist->next, &c); |
18361a1a | 1262 | else if (devs_found > 0) { |
9e33d556 | 1263 | if (c.update && devs_found > 1) { |
e7b84f9d | 1264 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1265 | exit(1); |
1266 | } | |
9e33d556 | 1267 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1268 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1269 | exit(1); |
1270 | } | |
cd29a5c8 | 1271 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1272 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1273 | if (array_ident == NULL) { |
e7b84f9d | 1274 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1275 | dv->devname); |
52826846 NB |
1276 | rv |= 1; |
1277 | continue; | |
1278 | } | |
7f91af49 | 1279 | if (array_ident->autof == 0) |
9e33d556 | 1280 | array_ident->autof = c.autof; |
7f91af49 | 1281 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1282 | NULL, &c); |
52826846 | 1283 | } |
5787fa49 | 1284 | } else { |
9e33d556 | 1285 | if (c.update) { |
e7b84f9d | 1286 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1287 | exit(1); |
1288 | } | |
9e33d556 | 1289 | if (c.backup_file) { |
e7b84f9d | 1290 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1291 | exit(1); |
1292 | } | |
4977146a | 1293 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1294 | } |
3cbc4d12 | 1295 | |
52826846 | 1296 | break; |
e0d19036 | 1297 | case BUILD: |
9e33d556 N |
1298 | if (c.delay == 0) |
1299 | c.delay = DEFAULT_BITMAP_DELAY; | |
dfd4d8ee | 1300 | if (write_behind && !bitmap_file) { |
e7b84f9d | 1301 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1302 | rv = 1; |
1303 | break; | |
1304 | } | |
5b28bd56 | 1305 | if (raiddisks == 0) { |
e7b84f9d | 1306 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1307 | rv = 1; |
1308 | break; | |
1309 | } | |
dfd4d8ee | 1310 | |
c82f047c | 1311 | if (bitmap_file) { |
55935d51 | 1312 | if (strcmp(bitmap_file, "internal")==0) { |
e7b84f9d | 1313 | pr_err("'internal' bitmaps not supported with --build\n"); |
55935d51 NB |
1314 | rv |= 1; |
1315 | break; | |
1316 | } | |
c82f047c | 1317 | } |
7f91af49 | 1318 | rv = Build(devlist->devname, chunk, level, layout, |
c82f047c | 1319 | raiddisks, devlist->next, assume_clean, |
7f91af49 | 1320 | bitmap_file, bitmap_chunk, write_behind, |
0c9e4afb | 1321 | &c, size); |
52826846 | 1322 | break; |
e0d19036 | 1323 | case CREATE: |
9e33d556 N |
1324 | if (c.delay == 0) |
1325 | c.delay = DEFAULT_BITMAP_DELAY; | |
dfd4d8ee | 1326 | if (write_behind && !bitmap_file) { |
e7b84f9d | 1327 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1328 | rv = 1; |
1329 | break; | |
1330 | } | |
5b28bd56 | 1331 | if (raiddisks == 0) { |
e7b84f9d | 1332 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1333 | rv = 1; |
1334 | break; | |
1335 | } | |
f9ce90ba | 1336 | |
d04f65f4 | 1337 | rv = Create(ss, devlist->devname, chunk, level, layout, size, |
171dccc8 | 1338 | raiddisks, sparedisks, ident.name, |
3d3dd91e | 1339 | ident.uuid_set ? ident.uuid : NULL, |
171dccc8 N |
1340 | devs_found-1, devlist->next, |
1341 | assume_clean, | |
1342 | bitmap_file, bitmap_chunk, write_behind, &c); | |
52826846 | 1343 | break; |
e0d19036 | 1344 | case MISC: |
e0d19036 | 1345 | if (devmode == 'E') { |
9e33d556 | 1346 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1347 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1348 | exit(2); |
1349 | } | |
1350 | if (devlist == NULL) | |
8aec876d | 1351 | devlist = conf_get_devs(); |
e0d19036 | 1352 | if (devlist == NULL) { |
e7b84f9d | 1353 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1354 | exit(1); |
1355 | } | |
eec3f887 | 1356 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1357 | } else if (devmode == DetailPlatform) { |
0937132d | 1358 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, c.verbose); |
7d27d1c0 | 1359 | } else if (devlist == NULL) { |
9e33d556 | 1360 | if (devmode == 'S' && c.scan) |
0937132d | 1361 | rv = stop_scan(c.verbose); |
9e33d556 | 1362 | else if ((devmode == 'D' || devmode == Waitclean) && c.scan) |
ef898ce6 | 1363 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1364 | else if (devmode == UdevRules) |
1365 | rv = Write_rules(udev_filename); | |
1366 | else { | |
e7b84f9d | 1367 | pr_err("No devices given.\n"); |
7d27d1c0 | 1368 | exit(2); |
e0d19036 | 1369 | } |
7d27d1c0 | 1370 | } else |
86da243f | 1371 | rv = misc_list(devlist, &ident, ss, &c); |
9a9dab36 | 1372 | break; |
e0d19036 | 1373 | case MONITOR: |
9e33d556 | 1374 | if (!devlist && !c.scan) { |
e7b84f9d | 1375 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1376 | rv = 1; |
1377 | break; | |
1378 | } | |
b5e64645 | 1379 | if (pidfile && !daemonise) { |
e7b84f9d | 1380 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1381 | rv = 1; |
1382 | break; | |
1383 | } | |
9e33d556 | 1384 | if (c.delay == 0) { |
3e82d76d | 1385 | if (get_linux_version() > 2006016) |
ddc7201f | 1386 | /* mdstat responds to poll */ |
9e33d556 | 1387 | c.delay = 1000; |
ddc7201f | 1388 | else |
9e33d556 | 1389 | c.delay = 60; |
ddc7201f | 1390 | } |
95c50205 N |
1391 | if (c.delay == 0) |
1392 | c.delay = 60; | |
d013a55e | 1393 | rv= Monitor(devlist, mailaddr, program, |
95c50205 N |
1394 | &c, daemonise, oneshot, |
1395 | dosyslog, pidfile, increments, | |
1396 | spare_sharing); | |
9a9dab36 | 1397 | break; |
dd0781e5 NB |
1398 | |
1399 | case GROW: | |
a93f8c65 | 1400 | if (array_size > 0) { |
84e11361 N |
1401 | /* alway impose array size first, independent of |
1402 | * anything else | |
9ce510be N |
1403 | * Do not allow level or raid_disks changes at the |
1404 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1405 | */ |
1406 | struct mdinfo sra; | |
1407 | int err; | |
9ce510be | 1408 | if (raiddisks || level != UnSet) { |
e7b84f9d | 1409 | pr_err("cannot change array size in same operation " |
9ce510be N |
1410 | "as changing raiddisks or level.\n" |
1411 | " Change size first, then check that data is still intact.\n"); | |
1412 | rv = 1; | |
1413 | break; | |
1414 | } | |
84e11361 | 1415 | sysfs_init(&sra, mdfd, 0); |
a93f8c65 | 1416 | if (array_size == MAX_SIZE) |
84e11361 N |
1417 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1418 | else | |
1419 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1420 | if (err < 0) { | |
1421 | if (errno == E2BIG) | |
e7b84f9d | 1422 | pr_err("--array-size setting" |
84e11361 N |
1423 | " is too large.\n"); |
1424 | else | |
e7b84f9d | 1425 | pr_err("current kernel does" |
84e11361 N |
1426 | " not support setting --array-size\n"); |
1427 | rv = 1; | |
1428 | break; | |
1429 | } | |
1430 | } | |
e2e53a2d | 1431 | if (devs_found > 1 && raiddisks == 0) { |
e5329c37 | 1432 | /* must be '-a'. */ |
d04f65f4 | 1433 | if (size > 0 || chunk || layout_str != NULL || bitmap_file) { |
e7b84f9d | 1434 | pr_err("--add cannot be used with " |
e2e53a2d | 1435 | "other geometry changes in --grow mode\n"); |
e5329c37 NB |
1436 | rv = 1; |
1437 | break; | |
1438 | } | |
1439 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1440 | rv = Grow_Add_device(devlist->devname, mdfd, |
1441 | dv->devname); | |
e5329c37 NB |
1442 | if (rv) |
1443 | break; | |
1444 | } | |
7236ee7a | 1445 | } else if (bitmap_file) { |
d04f65f4 | 1446 | if (size > 0 || raiddisks || chunk || |
1d8862cf | 1447 | layout_str != NULL || devs_found > 1) { |
e7b84f9d | 1448 | pr_err("--bitmap changes cannot be " |
e2e53a2d N |
1449 | "used with other geometry changes " |
1450 | "in --grow mode\n"); | |
7236ee7a N |
1451 | rv = 1; |
1452 | break; | |
1453 | } | |
9e33d556 N |
1454 | if (c.delay == 0) |
1455 | c.delay = DEFAULT_BITMAP_DELAY; | |
f5e166fe | 1456 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, |
9e33d556 | 1457 | bitmap_chunk, c.delay, write_behind, c.force); |
2dddadb0 AK |
1458 | } else if (grow_continue) |
1459 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1460 | mdfd, c.backup_file, |
0937132d | 1461 | c.verbose); |
d04f65f4 | 1462 | else if (size > 0 || raiddisks != 0 || layout_str != NULL |
7d27d1c0 | 1463 | || chunk != 0 || level != UnSet) { |
0937132d | 1464 | rv = Grow_reshape(devlist->devname, mdfd, c.verbose, c.backup_file, |
691a36b7 | 1465 | size, level, layout_str, chunk, raiddisks, |
e2e53a2d | 1466 | devlist->next, |
9e33d556 | 1467 | assume_clean, c.force); |
a93f8c65 | 1468 | } else if (array_size == 0) |
e7b84f9d | 1469 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1470 | break; |
8382f19b NB |
1471 | case INCREMENTAL: |
1472 | if (rebuild_map) { | |
1473 | RebuildMap(); | |
1474 | } | |
9e33d556 N |
1475 | if (c.scan) { |
1476 | if (c.runstop <= 0) { | |
e7b84f9d | 1477 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1478 | break; |
1479 | } | |
29ba4804 | 1480 | if (devmode == 'f') { |
e7b84f9d | 1481 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1482 | break; |
1483 | } | |
0937132d | 1484 | rv = IncrementalScan(c.verbose); |
8382f19b NB |
1485 | } |
1486 | if (!devlist) { | |
9e33d556 | 1487 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1488 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1489 | rv = 1; |
1490 | } | |
1491 | break; | |
1492 | } | |
1493 | if (devlist->next) { | |
e7b84f9d | 1494 | pr_err("--incremental can only handle one device.\n"); |
8382f19b NB |
1495 | rv = 1; |
1496 | break; | |
1497 | } | |
950bc344 PC |
1498 | if (devmode == 'f') |
1499 | rv = IncrementalRemove(devlist->devname, remove_path, | |
0937132d | 1500 | c.verbose); |
950bc344 | 1501 | else |
11b6d91d | 1502 | rv = Incremental(devlist->devname, &c, ss); |
1f48664b NB |
1503 | break; |
1504 | case AUTODETECT: | |
1505 | autodetect(); | |
1506 | break; | |
64c4757e | 1507 | } |
52826846 | 1508 | exit(rv); |
64c4757e | 1509 | } |
3cbc4d12 | 1510 | |
4977146a N |
1511 | static int scan_assemble(struct supertype *ss, |
1512 | struct context *c, | |
1513 | struct mddev_ident *ident) | |
3cbc4d12 N |
1514 | { |
1515 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1516 | struct mddev_dev *devlist = conf_get_devs(); | |
1517 | struct map_ent *map = NULL; | |
1518 | int cnt = 0; | |
1519 | int rv = 0; | |
1520 | int failures, successes; | |
1521 | ||
1522 | if (conf_verify_devnames(array_list)) { | |
e7b84f9d N |
1523 | pr_err("Duplicate MD device names in " |
1524 | "conf file were found.\n"); | |
3cbc4d12 N |
1525 | return 1; |
1526 | } | |
1527 | if (devlist == NULL) { | |
e7b84f9d | 1528 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1529 | return 1; |
1530 | } | |
1531 | for (a = array_list; a ; a = a->next) { | |
1532 | a->assembled = 0; | |
1533 | if (a->autof == 0) | |
4977146a | 1534 | a->autof = c->autof; |
3cbc4d12 N |
1535 | } |
1536 | if (map_lock(&map)) | |
e7b84f9d N |
1537 | pr_err("%s: failed to get " |
1538 | "exclusive lock on mapfile\n", | |
1539 | __func__); | |
3cbc4d12 N |
1540 | do { |
1541 | failures = 0; | |
1542 | successes = 0; | |
1543 | rv = 0; | |
1544 | for (a = array_list; a ; a = a->next) { | |
1545 | int r; | |
1546 | if (a->assembled) | |
1547 | continue; | |
1548 | if (a->devname && | |
1549 | strcasecmp(a->devname, "<ignore>") == 0) | |
1550 | continue; | |
1551 | ||
1552 | r = Assemble(ss, a->devname, | |
4977146a | 1553 | a, NULL, c); |
3cbc4d12 N |
1554 | if (r == 0) { |
1555 | a->assembled = 1; | |
1556 | successes++; | |
1557 | } else | |
1558 | failures++; | |
1559 | rv |= r; | |
1560 | cnt++; | |
1561 | } | |
1562 | } while (failures && successes); | |
4977146a | 1563 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1564 | /* Maybe we can auto-assemble something. |
1565 | * Repeatedly call Assemble in auto-assemble mode | |
1566 | * until it fails | |
1567 | */ | |
1568 | int rv2; | |
1569 | int acnt; | |
4977146a | 1570 | ident->autof = c->autof; |
3cbc4d12 N |
1571 | do { |
1572 | struct mddev_dev *devlist = conf_get_devs(); | |
1573 | acnt = 0; | |
1574 | do { | |
1575 | rv2 = Assemble(ss, NULL, | |
1576 | ident, | |
4977146a | 1577 | devlist, c); |
3cbc4d12 N |
1578 | if (rv2==0) { |
1579 | cnt++; | |
1580 | acnt++; | |
1581 | } | |
1582 | } while (rv2!=2); | |
1583 | /* Incase there are stacked devices, we need to go around again */ | |
1584 | } while (acnt); | |
1585 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1586 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1587 | rv = 1; |
1588 | } else if (cnt) | |
1589 | rv = 0; | |
1590 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1591 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1592 | rv = 1; |
1593 | } | |
1594 | map_unlock(&map); | |
1595 | return rv; | |
1596 | } | |
7d27d1c0 | 1597 | |
ef898ce6 | 1598 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1599 | { |
1600 | /* apply --detail or --wait-clean to | |
1601 | * all devices in /proc/mdstat | |
1602 | */ | |
1603 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1604 | struct mdstat_ent *e; | |
1605 | struct map_ent *map = NULL; | |
1606 | int members; | |
7d27d1c0 N |
1607 | int rv = 0; |
1608 | ||
1609 | for (members = 0; members <= 1; members++) { | |
1610 | for (e=ms ; e ; e=e->next) { | |
1611 | char *name; | |
1612 | struct map_ent *me; | |
1613 | int member = e->metadata_version && | |
1614 | strncmp(e->metadata_version, | |
1615 | "external:/", 10) == 0; | |
1616 | if (members != member) | |
1617 | continue; | |
1618 | me = map_by_devnum(&map, e->devnum); | |
1619 | if (me && me->path | |
1620 | && strcmp(me->path, "/unknown") != 0) | |
1621 | name = me->path; | |
1622 | else | |
1623 | name = get_md_name(e->devnum); | |
1624 | ||
1625 | if (!name) { | |
e7b84f9d | 1626 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1627 | e->dev); |
1628 | continue; | |
1629 | } | |
1630 | if (devmode == 'D') | |
ef898ce6 | 1631 | rv |= Detail(name, c); |
7d27d1c0 | 1632 | else |
ef898ce6 | 1633 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1634 | put_md_name(name); |
1635 | } | |
1636 | } | |
1637 | free_mdstat(ms); | |
1638 | return rv; | |
1639 | } | |
1640 | ||
ba728be7 | 1641 | static int stop_scan(int verbose) |
7d27d1c0 N |
1642 | { |
1643 | /* apply --stop to all devices in /proc/mdstat */ | |
1644 | /* Due to possible stacking of devices, repeat until | |
1645 | * nothing more can be stopped | |
1646 | */ | |
1647 | int progress=1, err; | |
1648 | int last = 0; | |
1649 | int rv = 0; | |
1650 | do { | |
1651 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1652 | struct mdstat_ent *e; | |
1653 | ||
1654 | if (!progress) last = 1; | |
1655 | progress = 0; err = 0; | |
1656 | for (e=ms ; e ; e=e->next) { | |
1657 | char *name = get_md_name(e->devnum); | |
1658 | int mdfd; | |
1659 | ||
1660 | if (!name) { | |
e7b84f9d | 1661 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1662 | e->dev); |
1663 | continue; | |
1664 | } | |
1665 | mdfd = open_mddev(name, 1); | |
1666 | if (mdfd >= 0) { | |
ba728be7 | 1667 | if (Manage_runstop(name, mdfd, -1, verbose, !last)) |
7d27d1c0 N |
1668 | err = 1; |
1669 | else | |
1670 | progress = 1; | |
1671 | close(mdfd); | |
1672 | } | |
1673 | ||
1674 | put_md_name(name); | |
1675 | } | |
1676 | free_mdstat(ms); | |
1677 | } while (!last && err); | |
1678 | if (err) | |
1679 | rv |= 1; | |
1680 | return rv; | |
1681 | } | |
1682 | ||
1683 | static int misc_list(struct mddev_dev *devlist, | |
86da243f N |
1684 | struct mddev_ident *ident, |
1685 | struct supertype *ss, struct context *c) | |
7d27d1c0 N |
1686 | { |
1687 | struct mddev_dev *dv; | |
1688 | int rv = 0; | |
1689 | ||
1690 | for (dv=devlist ; dv; dv=dv->next) { | |
1691 | int mdfd; | |
1692 | ||
1693 | switch(dv->disposition) { | |
1694 | case 'D': | |
ef898ce6 | 1695 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1696 | continue; |
1697 | case KillOpt: /* Zero superblock */ | |
1698 | if (ss) | |
86da243f | 1699 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1700 | else { |
86da243f | 1701 | int v = c->verbose; |
7d27d1c0 | 1702 | do { |
86da243f | 1703 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1704 | v = -1; |
7d27d1c0 N |
1705 | } while (rv == 0); |
1706 | rv &= ~2; | |
1707 | } | |
1708 | continue; | |
1709 | case 'Q': | |
1710 | rv |= Query(dv->devname); continue; | |
1711 | case 'X': | |
86da243f | 1712 | rv |= ExamineBitmap(dv->devname, c->brief, ss); continue; |
7d27d1c0 N |
1713 | case 'W': |
1714 | case WaitOpt: | |
1715 | rv |= Wait(dv->devname); continue; | |
1716 | case Waitclean: | |
86da243f | 1717 | rv |= WaitClean(dv->devname, -1, c->verbose); continue; |
7d27d1c0 | 1718 | case KillSubarray: |
86da243f | 1719 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1720 | continue; |
1721 | case UpdateSubarray: | |
86da243f | 1722 | if (c->update == NULL) { |
e7b84f9d | 1723 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1724 | rv |= 1; |
1725 | continue; | |
1726 | } | |
86da243f N |
1727 | rv |= Update_subarray(dv->devname, c->subarray, |
1728 | c->update, ident, c->verbose); | |
7d27d1c0 N |
1729 | continue; |
1730 | } | |
1731 | mdfd = open_mddev(dv->devname, 1); | |
1732 | if (mdfd>=0) { | |
1733 | switch(dv->disposition) { | |
1734 | case 'R': | |
86da243f | 1735 | rv |= Manage_runstop(dv->devname, mdfd, 1, c->verbose, 0); break; |
7d27d1c0 | 1736 | case 'S': |
86da243f | 1737 | rv |= Manage_runstop(dv->devname, mdfd, -1, c->verbose, 0); break; |
7d27d1c0 N |
1738 | case 'o': |
1739 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1740 | case 'w': | |
1741 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1742 | } | |
1743 | close(mdfd); | |
1744 | } else | |
1745 | rv |= 1; | |
1746 | } | |
1747 | return rv; | |
1748 | } |