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1 | /* | |
2 | * mdadm - manage Linux "md" devices aka RAID arrays. | |
3 | * | |
4 | * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au> | |
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 | |
22 | * Email: <neilb@cse.unsw.edu.au> | |
23 | * Paper: Neil Brown | |
24 | * School of Computer Science and Engineering | |
25 | * The University of New South Wales | |
26 | * Sydney, 2052 | |
27 | * Australia | |
28 | */ | |
29 | ||
30 | #include "mdadm.h" | |
31 | #include "md_p.h" | |
32 | ||
33 | int open_mddev(char *dev) | |
34 | { | |
35 | int mdfd = open(dev, O_RDWR, 0); | |
36 | if (mdfd < 0) | |
37 | fprintf(stderr, Name ": error opening %s: %s\n", | |
38 | dev, strerror(errno)); | |
39 | else if (md_get_version(mdfd) <= 0) { | |
40 | fprintf(stderr, Name ": %s does not appear to be an md device\n", | |
41 | dev); | |
42 | close(mdfd); | |
43 | mdfd = -1; | |
44 | } | |
45 | return mdfd; | |
46 | } | |
47 | ||
48 | ||
49 | ||
50 | int main(int argc, char *argv[]) | |
51 | { | |
52 | int mode = 0; | |
53 | int opt; | |
54 | int option_index; | |
55 | char *help_text; | |
56 | char *c; | |
57 | int rv; | |
58 | ||
59 | int chunk = 0; | |
60 | int size = 0; | |
61 | int level = UnSet; | |
62 | int layout = UnSet; | |
63 | int raiddisks = 0; | |
64 | int sparedisks = 0; | |
65 | struct mddev_ident_s ident; | |
66 | char *configfile = NULL; | |
67 | char *cp; | |
68 | char *update = NULL; | |
69 | int scan = 0; | |
70 | char devmode = 0; | |
71 | int runstop = 0; | |
72 | int readonly = 0; | |
73 | int SparcAdjust = 0; | |
74 | mddev_dev_t devlist = NULL; | |
75 | mddev_dev_t *devlistend = & devlist; | |
76 | mddev_dev_t dv; | |
77 | int devs_found = 0; | |
78 | int verbose = 0; | |
79 | int brief = 0; | |
80 | int force = 0; | |
81 | int test = 0; | |
82 | ||
83 | char *mailaddr = NULL; | |
84 | char *program = NULL; | |
85 | int delay = 0; | |
86 | int daemonise = 0; | |
87 | int oneshot = 0; | |
88 | ||
89 | int mdfd = -1; | |
90 | ||
91 | ident.uuid_set=0; | |
92 | ident.level = UnSet; | |
93 | ident.raid_disks = UnSet; | |
94 | ident.super_minor= UnSet; | |
95 | ident.devices=0; | |
96 | ||
97 | while ((option_index = -1) , | |
98 | (opt=getopt_long(argc, argv, | |
99 | short_options, long_options, | |
100 | &option_index)) != -1) { | |
101 | int newmode = mode; | |
102 | /* firstly, so mode-independant options */ | |
103 | switch(opt) { | |
104 | case 'h': | |
105 | help_text = Help; | |
106 | if (option_index > 0 && | |
107 | strcmp(long_options[option_index].name, "help-options")==0) | |
108 | help_text = OptionHelp; | |
109 | else | |
110 | switch (mode) { | |
111 | case ASSEMBLE : help_text = Help_assemble; break; | |
112 | case BUILD : help_text = Help_build; break; | |
113 | case CREATE : help_text = Help_create; break; | |
114 | case MANAGE : help_text = Help_manage; break; | |
115 | case MISC : help_text = Help_misc; break; | |
116 | case MONITOR : help_text = Help_monitor; break; | |
117 | } | |
118 | fputs(help_text,stderr); | |
119 | exit(0); | |
120 | ||
121 | case 'V': | |
122 | fputs(Version, stderr); | |
123 | exit(0); | |
124 | ||
125 | case 'v': verbose = 1; | |
126 | continue; | |
127 | ||
128 | case 'b': brief = 1; | |
129 | continue; | |
130 | ||
131 | case ':': | |
132 | case '?': | |
133 | fputs(Usage, stderr); | |
134 | exit(2); | |
135 | } | |
136 | /* second, figure out the mode. | |
137 | * Some options force the mode. Others | |
138 | * set the mode if it isn't already | |
139 | */ | |
140 | ||
141 | switch(opt) { | |
142 | case '@': /* just incase they say --manage */ | |
143 | newmode = MANAGE; break; | |
144 | case 'a': | |
145 | case 'r': | |
146 | case 'f': | |
147 | case 1 : if (!mode) newmode = MANAGE; break; | |
148 | ||
149 | case 'A': newmode = ASSEMBLE; break; | |
150 | case 'B': newmode = BUILD; break; | |
151 | case 'C': newmode = CREATE; break; | |
152 | case 'F': newmode = MONITOR;break; | |
153 | ||
154 | case '#': | |
155 | case 'D': | |
156 | case 'E': | |
157 | case 'Q': newmode = MISC; break; | |
158 | case 'R': | |
159 | case 'S': | |
160 | case 'o': | |
161 | case 'w': | |
162 | case 'K': if (!mode) newmode = MISC; break; | |
163 | } | |
164 | if (mode && newmode == mode) { | |
165 | /* everybody happy ! */ | |
166 | } else if (mode && newmode != mode) { | |
167 | /* not allowed.. */ | |
168 | fprintf(stderr, Name ": "); | |
169 | if (option_index >= 0) | |
170 | fprintf(stderr, "--%s", long_options[option_index].name); | |
171 | else | |
172 | fprintf(stderr, "-%c", opt); | |
173 | fprintf(stderr, " would set mode to %s, but it is already %s.\n", | |
174 | map_num(modes, newmode), | |
175 | map_num(modes, mode)); | |
176 | exit(2); | |
177 | } else if (!mode && newmode) { | |
178 | mode = newmode; | |
179 | } else { | |
180 | /* special case of -c --help */ | |
181 | if (opt == 'c' && | |
182 | ( strncmp(optarg, "--h", 3)==0 || | |
183 | strncmp(optarg, "-h", 2)==0)) { | |
184 | fputs(Help_config, stderr); | |
185 | exit(0); | |
186 | } | |
187 | if (option_index >= 0) | |
188 | fprintf(stderr, "--%s", long_options[option_index].name); | |
189 | else | |
190 | fprintf(stderr, "-%c", opt); | |
191 | fprintf(stderr, " does not set the mode, and so cannot be first.\n"); | |
192 | exit(2); | |
193 | } | |
194 | ||
195 | /* if we just set the mode, then done */ | |
196 | switch(opt) { | |
197 | case '@': | |
198 | case '#': | |
199 | case 'A': | |
200 | case 'B': | |
201 | case 'C': | |
202 | case 'F': | |
203 | continue; | |
204 | } | |
205 | if (opt == 1) { | |
206 | /* an undecorated option - must be a device name. | |
207 | */ | |
208 | if (devs_found > 0 && mode == '@' && !devmode) { | |
209 | fprintf(stderr, Name ": Must give on of -a/-r/-f for subsequent devices at %s\n", optarg); | |
210 | exit(2); | |
211 | } | |
212 | dv = malloc(sizeof(*dv)); | |
213 | if (dv == NULL) { | |
214 | fprintf(stderr, Name ": malloc failed\n"); | |
215 | exit(3); | |
216 | } | |
217 | dv->devname = optarg; | |
218 | dv->disposition = devmode; | |
219 | dv->next = NULL; | |
220 | *devlistend = dv; | |
221 | devlistend = &dv->next; | |
222 | ||
223 | devs_found++; | |
224 | continue; | |
225 | } | |
226 | ||
227 | /* We've got a mode, and opt is now something else which | |
228 | * could depend on the mode */ | |
229 | #define O(a,b) ((a<<8)|b) | |
230 | switch (O(mode,opt)) { | |
231 | case O(CREATE,'c'): | |
232 | case O(BUILD,'c'): /* chunk or rounding */ | |
233 | if (chunk) { | |
234 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
235 | "Second value is %s.\n", optarg); | |
236 | exit(2); | |
237 | } | |
238 | chunk = strtol(optarg, &c, 10); | |
239 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
240 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
241 | optarg); | |
242 | exit(2); | |
243 | } | |
244 | continue; | |
245 | ||
246 | case O(CREATE,'z'): /* size */ | |
247 | if (size) { | |
248 | fprintf(stderr, Name ": size may only be specified once. " | |
249 | "Second value is %s.\n", optarg); | |
250 | exit(2); | |
251 | } | |
252 | size = strtol(optarg, &c, 10); | |
253 | if (!optarg[0] || *c || size < 4) { | |
254 | fprintf(stderr, Name ": invalid size: %s\n", | |
255 | optarg); | |
256 | exit(2); | |
257 | } | |
258 | continue; | |
259 | ||
260 | case O(CREATE,'l'): | |
261 | case O(BUILD,'l'): /* set raid level*/ | |
262 | if (level != UnSet) { | |
263 | fprintf(stderr, Name ": raid level may only be set once. " | |
264 | "Second value is %s.\n", optarg); | |
265 | exit(2); | |
266 | } | |
267 | level = map_name(pers, optarg); | |
268 | if (level == UnSet) { | |
269 | fprintf(stderr, Name ": invalid raid level: %s\n", | |
270 | optarg); | |
271 | exit(2); | |
272 | } | |
273 | if (level != 0 && level != -1 && mode == BUILD) { | |
274 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", | |
275 | optarg); | |
276 | exit(2); | |
277 | } | |
278 | if (sparedisks > 0 && level < 1 && level >= -1) { | |
279 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", | |
280 | optarg); | |
281 | exit(2); | |
282 | } | |
283 | ident.level = level; | |
284 | continue; | |
285 | ||
286 | case O(CREATE,'p'): /* raid5 layout */ | |
287 | if (layout >= 0) { | |
288 | fprintf(stderr,Name ": layout may only be sent once. " | |
289 | "Second value was %s\n", optarg); | |
290 | exit(2); | |
291 | } | |
292 | switch(level) { | |
293 | default: | |
294 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", | |
295 | map_num(pers, level)); | |
296 | exit(2); | |
297 | case UnSet: | |
298 | fprintf(stderr, Name ": raid level must be given before layout.\n"); | |
299 | exit(2); | |
300 | ||
301 | case 5: | |
302 | case 6: | |
303 | layout = map_name(r5layout, optarg); | |
304 | if (layout==UnSet) { | |
305 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", | |
306 | optarg); | |
307 | exit(2); | |
308 | } | |
309 | break; | |
310 | } | |
311 | continue; | |
312 | ||
313 | case O(CREATE,'n'): | |
314 | case O(BUILD,'n'): /* number of raid disks */ | |
315 | if (raiddisks) { | |
316 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", | |
317 | raiddisks, optarg); | |
318 | exit(2); | |
319 | } | |
320 | raiddisks = strtol(optarg, &c, 10); | |
321 | if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) { | |
322 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", | |
323 | optarg); | |
324 | exit(2); | |
325 | } | |
326 | if (raiddisks == 1 && !force) { | |
327 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
328 | " a mistake. If you really mean it you will need to specify --force before\n" | |
329 | " setting the number of drives.\n"); | |
330 | exit(2); | |
331 | } | |
332 | ident.raid_disks = raiddisks; | |
333 | continue; | |
334 | ||
335 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ | |
336 | if (sparedisks) { | |
337 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", | |
338 | sparedisks, optarg); | |
339 | exit(2); | |
340 | } | |
341 | if (level != UnSet && level <= 0 && level >= -1) { | |
342 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", | |
343 | level); | |
344 | exit(2); | |
345 | } | |
346 | sparedisks = strtol(optarg, &c, 10); | |
347 | if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) { | |
348 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", | |
349 | optarg); | |
350 | exit(2); | |
351 | } | |
352 | continue; | |
353 | case O(BUILD,'f'): /* force honouring '-n 1' */ | |
354 | case O(CREATE,'f'): /* force honouring of device list */ | |
355 | case O(ASSEMBLE,'f'): /* force assembly */ | |
356 | case O(MISC,'f'): /* force zero */ | |
357 | force=1; | |
358 | continue; | |
359 | ||
360 | /* now for the Assemble options */ | |
361 | case O(ASSEMBLE,'u'): /* uuid of array */ | |
362 | if (ident.uuid_set) { | |
363 | fprintf(stderr, Name ": uuid cannot be set twice. " | |
364 | "Second value %s.\n", optarg); | |
365 | exit(2); | |
366 | } | |
367 | if (parse_uuid(optarg, ident.uuid)) | |
368 | ident.uuid_set = 1; | |
369 | else { | |
370 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
371 | exit(2); | |
372 | } | |
373 | continue; | |
374 | ||
375 | case O(ASSEMBLE,'m'): /* super-minor for array */ | |
376 | if (ident.super_minor != UnSet) { | |
377 | fprintf(stderr, Name ": super-minor cannot be set twice. " | |
378 | "Second value: %s.\n", optarg); | |
379 | exit(2); | |
380 | } | |
381 | if (strcmp(optarg, "dev")==0) | |
382 | ident.super_minor = -2; | |
383 | else { | |
384 | ident.super_minor = strtoul(optarg, &cp, 10); | |
385 | if (!optarg[0] || *cp) { | |
386 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
387 | exit(2); | |
388 | } | |
389 | } | |
390 | continue; | |
391 | ||
392 | case O(ASSEMBLE,'U'): /* update the superblock */ | |
393 | if (update) { | |
394 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
395 | update, optarg); | |
396 | exit(2); | |
397 | } | |
398 | update = optarg; | |
399 | if (strcmp(update, "sparc2.2")==0) continue; | |
400 | if (strcmp(update, "super-minor") == 0) | |
401 | continue; | |
402 | if (strcmp(update, "summaries")==0) | |
403 | continue; | |
404 | fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor' or 'summaries' supported\n",update); | |
405 | exit(2); | |
406 | ||
407 | case O(ASSEMBLE,'c'): /* config file */ | |
408 | case O(MISC, 'c'): | |
409 | case O(MONITOR,'c'): | |
410 | if (configfile) { | |
411 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
412 | "Second value is %s.\n", optarg); | |
413 | exit(2); | |
414 | } | |
415 | configfile = optarg; | |
416 | /* FIXME possibly check that config file exists. Even parse it */ | |
417 | continue; | |
418 | case O(ASSEMBLE,'s'): /* scan */ | |
419 | case O(MISC,'s'): | |
420 | case O(MONITOR,'s'): | |
421 | scan = 1; | |
422 | continue; | |
423 | ||
424 | case O(MONITOR,'m'): /* mail address */ | |
425 | if (mailaddr) | |
426 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
427 | optarg); | |
428 | else | |
429 | mailaddr = optarg; | |
430 | continue; | |
431 | ||
432 | case O(MONITOR,'p'): /* alert program */ | |
433 | if (program) | |
434 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
435 | optarg); | |
436 | else | |
437 | program = optarg; | |
438 | continue; | |
439 | ||
440 | case O(MONITOR,'d'): /* delay in seconds */ | |
441 | if (delay) | |
442 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
443 | optarg); | |
444 | else { | |
445 | delay = strtol(optarg, &c, 10); | |
446 | if (!optarg[0] || *c || delay<1) { | |
447 | fprintf(stderr, Name ": invalid delay: %s\n", | |
448 | optarg); | |
449 | exit(2); | |
450 | } | |
451 | } | |
452 | continue; | |
453 | case O(MONITOR,'f'): /* daemonise */ | |
454 | daemonise = 1; | |
455 | continue; | |
456 | case O(MONITOR,'1'): /* oneshot */ | |
457 | oneshot = 1; | |
458 | continue; | |
459 | case O(MONITOR,'t'): /* test */ | |
460 | test = 1; | |
461 | continue; | |
462 | ||
463 | /* now the general management options. Some are applicable | |
464 | * to other modes. None have arguments. | |
465 | */ | |
466 | case O(MANAGE,'a'): | |
467 | case O(CREATE,'a'): | |
468 | case O(BUILD,'a'): | |
469 | case O(ASSEMBLE,'a'): /* add a drive */ | |
470 | devmode = 'a'; | |
471 | continue; | |
472 | case O(MANAGE,'r'): /* remove a drive */ | |
473 | devmode = 'r'; | |
474 | continue; | |
475 | case O(MANAGE,'f'): /* set faulty */ | |
476 | devmode = 'f'; | |
477 | continue; | |
478 | case O(MANAGE,'R'): | |
479 | case O(ASSEMBLE,'R'): | |
480 | case O(BUILD,'R'): | |
481 | case O(CREATE,'R'): /* Run the array */ | |
482 | if (runstop < 0) { | |
483 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
484 | exit(2); | |
485 | } | |
486 | runstop = 1; | |
487 | continue; | |
488 | case O(MANAGE,'S'): | |
489 | if (runstop > 0) { | |
490 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
491 | exit(2); | |
492 | } | |
493 | runstop = -1; | |
494 | continue; | |
495 | ||
496 | case O(MANAGE,'o'): | |
497 | if (readonly < 0) { | |
498 | fprintf(stderr, Name ": Cannot have both readonly and readwrite\n"); | |
499 | exit(2); | |
500 | } | |
501 | readonly = 1; | |
502 | continue; | |
503 | case O(MANAGE,'w'): | |
504 | if (readonly > 0) { | |
505 | fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n"); | |
506 | exit(2); | |
507 | } | |
508 | readonly = -1; | |
509 | continue; | |
510 | ||
511 | case O(MISC,'Q'): | |
512 | case O(MISC,'D'): | |
513 | case O(MISC,'E'): | |
514 | case O(MISC,'K'): | |
515 | case O(MISC,'R'): | |
516 | case O(MISC,'S'): | |
517 | case O(MISC,'o'): | |
518 | case O(MISC,'w'): | |
519 | if (devmode && devmode != opt && | |
520 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
521 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
522 | devmode =='E'?opt:devmode); | |
523 | exit(2); | |
524 | } | |
525 | devmode = opt; | |
526 | continue; | |
527 | case O(MISC,'t'): | |
528 | test = 1; | |
529 | continue; | |
530 | ||
531 | case O(MISC, 22): | |
532 | if (devmode != 'E') { | |
533 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
534 | exit(2); | |
535 | } | |
536 | SparcAdjust = 1; | |
537 | continue; | |
538 | } | |
539 | /* We have now processed all the valid options. Anything else is | |
540 | * an error | |
541 | */ | |
542 | fprintf(stderr, Name ": option %c not valid in %s mode\n", | |
543 | opt, map_num(modes, mode)); | |
544 | exit(2); | |
545 | ||
546 | } | |
547 | ||
548 | if (!mode) { | |
549 | fputs(Usage, stderr); | |
550 | exit(2); | |
551 | } | |
552 | /* Ok, got the option parsing out of the way | |
553 | * hopefully it's mostly right but there might be some stuff | |
554 | * missing | |
555 | * | |
556 | * That is mosty checked in the per-mode stuff but... | |
557 | * | |
558 | * For @,B,C and A without -s, the first device listed must be an md device | |
559 | * we check that here and open it. | |
560 | */ | |
561 | ||
562 | if (mode==MANAGE || mode == BUILD || mode == CREATE || (mode == ASSEMBLE && ! scan)) { | |
563 | if (devs_found < 1) { | |
564 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
565 | exit(2); | |
566 | } | |
567 | mdfd = open_mddev(devlist->devname); | |
568 | if (mdfd < 0) | |
569 | exit(1); | |
570 | if ((int)ident.super_minor == -2) { | |
571 | struct stat stb; | |
572 | fstat(mdfd, &stb); | |
573 | ident.super_minor = MINOR(stb.st_rdev); | |
574 | } | |
575 | } | |
576 | ||
577 | rv = 0; | |
578 | switch(mode) { | |
579 | case MANAGE: | |
580 | /* readonly, add/remove, readwrite, runstop */ | |
581 | if (readonly>0) | |
582 | rv = Manage_ro(devlist->devname, mdfd, readonly); | |
583 | if (!rv && devs_found>1) | |
584 | rv = Manage_subdevs(devlist->devname, mdfd, | |
585 | devlist->next); | |
586 | if (!rv && readonly < 0) | |
587 | rv = Manage_ro(devlist->devname, mdfd, readonly); | |
588 | if (!rv && runstop) | |
589 | rv = Manage_runstop(devlist->devname, mdfd, runstop); | |
590 | break; | |
591 | case ASSEMBLE: | |
592 | if (devs_found == 1 && ident.uuid_set == 0 && | |
593 | ident.super_minor == UnSet && !scan ) { | |
594 | /* Only a device has been given, so get details from config file */ | |
595 | mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname); | |
596 | mdfd = open_mddev(devlist->devname); | |
597 | if (mdfd < 0) | |
598 | rv |= 1; | |
599 | else { | |
600 | if (array_ident == NULL) { | |
601 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
602 | devlist->devname); | |
603 | rv |= 1; | |
604 | } | |
605 | else | |
606 | rv |= Assemble(devlist->devname, mdfd, array_ident, configfile, | |
607 | NULL, | |
608 | readonly, runstop, update, verbose, force); | |
609 | } | |
610 | } else if (!scan) | |
611 | rv = Assemble(devlist->devname, mdfd, &ident, configfile, | |
612 | devlist->next, | |
613 | readonly, runstop, update, verbose, force); | |
614 | else if (devs_found>0) { | |
615 | if (update && devs_found > 1) { | |
616 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
617 | exit(1); | |
618 | } | |
619 | for (dv = devlist ; dv ; dv=dv->next) { | |
620 | mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname); | |
621 | mdfd = open_mddev(dv->devname); | |
622 | if (mdfd < 0) { | |
623 | rv |= 1; | |
624 | continue; | |
625 | } | |
626 | if (array_ident == NULL) { | |
627 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
628 | dv->devname); | |
629 | rv |= 1; | |
630 | continue; | |
631 | } | |
632 | rv |= Assemble(dv->devname, mdfd, array_ident, configfile, | |
633 | NULL, | |
634 | readonly, runstop, update, verbose, force); | |
635 | } | |
636 | } else { | |
637 | mddev_ident_t array_list = conf_get_ident(configfile, NULL); | |
638 | if (!array_list) { | |
639 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
640 | rv = 1; | |
641 | } else | |
642 | for (; array_list; array_list = array_list->next) { | |
643 | mdu_array_info_t array; | |
644 | mdfd = open_mddev(array_list->devname); | |
645 | if (mdfd < 0) { | |
646 | rv |= 1; | |
647 | continue; | |
648 | } | |
649 | if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) | |
650 | /* already assembled, skip */ | |
651 | continue; | |
652 | rv |= Assemble(array_list->devname, mdfd, | |
653 | array_list, configfile, | |
654 | NULL, | |
655 | readonly, runstop, NULL, verbose, force); | |
656 | } | |
657 | } | |
658 | break; | |
659 | case BUILD: | |
660 | rv = Build(devlist->devname, mdfd, chunk, level, raiddisks, devlist->next); | |
661 | break; | |
662 | case CREATE: | |
663 | rv = Create(devlist->devname, mdfd, chunk, level, layout, size, | |
664 | raiddisks, sparedisks, | |
665 | devs_found-1, devlist->next, runstop, verbose, force); | |
666 | break; | |
667 | case MISC: | |
668 | ||
669 | if (devmode == 'E') { | |
670 | if (devlist == NULL && !scan) { | |
671 | fprintf(stderr, Name ": No devices to examine\n"); | |
672 | exit(2); | |
673 | } | |
674 | if (devlist == NULL) | |
675 | devlist = conf_get_devs(configfile); | |
676 | if (devlist == NULL) { | |
677 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); | |
678 | exit(1); | |
679 | } | |
680 | rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust); | |
681 | } else { | |
682 | if (devlist == NULL) { | |
683 | if ((devmode == 'S' ||devmode=='D') && scan) { | |
684 | /* apply to all devices in /proc/mdstat */ | |
685 | struct mdstat_ent *ms = mdstat_read(); | |
686 | struct mdstat_ent *e; | |
687 | for (e=ms ; e ; e=e->next) { | |
688 | char *name = get_md_name(e->devnum); | |
689 | ||
690 | if (!name) { | |
691 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
692 | e->dev); | |
693 | continue; | |
694 | } | |
695 | if (devmode == 'D') | |
696 | rv |= Detail(name, !verbose, test); | |
697 | else if (devmode=='S') { | |
698 | mdfd = open_mddev(name); | |
699 | if (mdfd >= 0) | |
700 | rv |= Manage_runstop(name, mdfd, -1); | |
701 | } | |
702 | put_md_name(name); | |
703 | } | |
704 | } else { | |
705 | fprintf(stderr, Name ": No devices given.\n"); | |
706 | exit(2); | |
707 | } | |
708 | } | |
709 | for (dv=devlist ; dv; dv=dv->next) { | |
710 | switch(dv->disposition) { | |
711 | case 'D': | |
712 | rv |= Detail(dv->devname, brief, test); continue; | |
713 | case 'K': /* Zero superblock */ | |
714 | rv |= Kill(dv->devname, force); continue; | |
715 | case 'Q': | |
716 | rv |= Query(dv->devname); continue; | |
717 | } | |
718 | mdfd = open_mddev(dv->devname); | |
719 | if (mdfd>=0) | |
720 | switch(dv->disposition) { | |
721 | case 'R': | |
722 | rv |= Manage_runstop(dv->devname, mdfd, 1); break; | |
723 | case 'S': | |
724 | rv |= Manage_runstop(dv->devname, mdfd, -1); break; | |
725 | case 'o': | |
726 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
727 | case 'w': | |
728 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
729 | } | |
730 | } | |
731 | } | |
732 | break; | |
733 | case MONITOR: | |
734 | if (!devlist && !scan) { | |
735 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
736 | rv = 1; | |
737 | break; | |
738 | } | |
739 | rv= Monitor(devlist, mailaddr, program, | |
740 | delay?delay:60, daemonise, scan, oneshot, configfile, test); | |
741 | break; | |
742 | } | |
743 | exit(rv); | |
744 | } |