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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 | #include <ctype.h> | |
33 | ||
34 | ||
35 | ||
36 | int main(int argc, char *argv[]) | |
37 | { | |
38 | int mode = 0; | |
39 | int opt; | |
40 | int option_index; | |
41 | char *help_text; | |
42 | char *c; | |
43 | int rv; | |
44 | ||
45 | int chunk = 0; | |
46 | int size = -1; | |
47 | int level = UnSet; | |
48 | int layout = UnSet; | |
49 | int raiddisks = 0; | |
50 | int sparedisks = 0; | |
51 | struct mddev_ident_s ident; | |
52 | char *configfile = NULL; | |
53 | char *cp; | |
54 | char *update = NULL; | |
55 | int scan = 0; | |
56 | char devmode = 0; | |
57 | int runstop = 0; | |
58 | int readonly = 0; | |
59 | int SparcAdjust = 0; | |
60 | mddev_dev_t devlist = NULL; | |
61 | mddev_dev_t *devlistend = & devlist; | |
62 | mddev_dev_t dv; | |
63 | int devs_found = 0; | |
64 | int verbose = 0; | |
65 | int brief = 0; | |
66 | int force = 0; | |
67 | int test = 0; | |
68 | int assume_clean = 0; | |
69 | int autof = 0; /* -2 means create device based on name: | |
70 | * if it ends mdN, then non-partitioned array N | |
71 | * if it ends dN, then partitions array N | |
72 | * -1 means create non-partitioned, choose N | |
73 | * 1 or more to create partitioned | |
74 | * If -1 or 1 and name is a 'standard' name, then | |
75 | * insist on a match of type and number. | |
76 | */ | |
77 | ||
78 | char *mailaddr = NULL; | |
79 | char *program = NULL; | |
80 | int delay = 0; | |
81 | int daemonise = 0; | |
82 | char *pidfile = NULL; | |
83 | int oneshot = 0; | |
84 | ||
85 | int copies; | |
86 | ||
87 | int mdfd = -1; | |
88 | ||
89 | ident.uuid_set=0; | |
90 | ident.level = UnSet; | |
91 | ident.raid_disks = UnSet; | |
92 | ident.super_minor= UnSet; | |
93 | ident.devices=0; | |
94 | ident.spare_group = NULL; | |
95 | ident.autof = 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 | case GROW : help_text = Help_grow; break; | |
118 | } | |
119 | fputs(help_text,stderr); | |
120 | exit(0); | |
121 | ||
122 | case 'V': | |
123 | fputs(Version, stderr); | |
124 | exit(0); | |
125 | ||
126 | case 'v': verbose = 1; | |
127 | continue; | |
128 | ||
129 | case 'b': brief = 1; | |
130 | continue; | |
131 | ||
132 | case ':': | |
133 | case '?': | |
134 | fputs(Usage, stderr); | |
135 | exit(2); | |
136 | } | |
137 | /* second, figure out the mode. | |
138 | * Some options force the mode. Others | |
139 | * set the mode if it isn't already | |
140 | */ | |
141 | ||
142 | switch(opt) { | |
143 | case '@': /* just incase they say --manage */ | |
144 | newmode = MANAGE; break; | |
145 | case 'a': | |
146 | case 'r': | |
147 | case 'f': | |
148 | case 1 : if (!mode) newmode = MANAGE; break; | |
149 | ||
150 | case 'A': newmode = ASSEMBLE; break; | |
151 | case 'B': newmode = BUILD; break; | |
152 | case 'C': newmode = CREATE; break; | |
153 | case 'F': newmode = MONITOR;break; | |
154 | case 'G': newmode = GROW; break; | |
155 | ||
156 | case '#': | |
157 | case 'D': | |
158 | case 'E': | |
159 | case 'Q': newmode = MISC; break; | |
160 | case 'R': | |
161 | case 'S': | |
162 | case 'o': | |
163 | case 'w': | |
164 | case 'K': if (!mode) newmode = MISC; break; | |
165 | } | |
166 | if (mode && newmode == mode) { | |
167 | /* everybody happy ! */ | |
168 | } else if (mode && newmode != mode) { | |
169 | /* not allowed.. */ | |
170 | fprintf(stderr, Name ": "); | |
171 | if (option_index >= 0) | |
172 | fprintf(stderr, "--%s", long_options[option_index].name); | |
173 | else | |
174 | fprintf(stderr, "-%c", opt); | |
175 | fprintf(stderr, " would set mode to %s, but it is already %s.\n", | |
176 | map_num(modes, newmode), | |
177 | map_num(modes, mode)); | |
178 | exit(2); | |
179 | } else if (!mode && newmode) { | |
180 | mode = newmode; | |
181 | } else { | |
182 | /* special case of -c --help */ | |
183 | if (opt == 'c' && | |
184 | ( strncmp(optarg, "--h", 3)==0 || | |
185 | strncmp(optarg, "-h", 2)==0)) { | |
186 | fputs(Help_config, stderr); | |
187 | exit(0); | |
188 | } | |
189 | if (option_index >= 0) | |
190 | fprintf(stderr, "--%s", long_options[option_index].name); | |
191 | else | |
192 | fprintf(stderr, "-%c", opt); | |
193 | fprintf(stderr, " does not set the mode, and so cannot be first.\n"); | |
194 | exit(2); | |
195 | } | |
196 | ||
197 | /* if we just set the mode, then done */ | |
198 | switch(opt) { | |
199 | case '@': | |
200 | case '#': | |
201 | case 'A': | |
202 | case 'B': | |
203 | case 'C': | |
204 | case 'F': | |
205 | case 'G': | |
206 | continue; | |
207 | } | |
208 | if (opt == 1) { | |
209 | /* an undecorated option - must be a device name. | |
210 | */ | |
211 | if (devs_found > 0 && mode == '@' && !devmode) { | |
212 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); | |
213 | exit(2); | |
214 | } | |
215 | if (devs_found > 0 && mode == 'G' && !devmode) { | |
216 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
217 | exit(2); | |
218 | } | |
219 | dv = malloc(sizeof(*dv)); | |
220 | if (dv == NULL) { | |
221 | fprintf(stderr, Name ": malloc failed\n"); | |
222 | exit(3); | |
223 | } | |
224 | dv->devname = optarg; | |
225 | dv->disposition = devmode; | |
226 | dv->next = NULL; | |
227 | *devlistend = dv; | |
228 | devlistend = &dv->next; | |
229 | ||
230 | devs_found++; | |
231 | continue; | |
232 | } | |
233 | ||
234 | /* We've got a mode, and opt is now something else which | |
235 | * could depend on the mode */ | |
236 | #define O(a,b) ((a<<8)|b) | |
237 | switch (O(mode,opt)) { | |
238 | case O(CREATE,'c'): | |
239 | case O(BUILD,'c'): /* chunk or rounding */ | |
240 | if (chunk) { | |
241 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
242 | "Second value is %s.\n", optarg); | |
243 | exit(2); | |
244 | } | |
245 | chunk = strtol(optarg, &c, 10); | |
246 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
247 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
248 | optarg); | |
249 | exit(2); | |
250 | } | |
251 | continue; | |
252 | ||
253 | case O(GROW,'z'): | |
254 | case O(CREATE,'z'): /* size */ | |
255 | if (size >= 0) { | |
256 | fprintf(stderr, Name ": size may only be specified once. " | |
257 | "Second value is %s.\n", optarg); | |
258 | exit(2); | |
259 | } | |
260 | if (strcmp(optarg, "max")==0) | |
261 | size = 0; | |
262 | else { | |
263 | size = strtol(optarg, &c, 10); | |
264 | if (!optarg[0] || *c || size < 4) { | |
265 | fprintf(stderr, Name ": invalid size: %s\n", | |
266 | optarg); | |
267 | exit(2); | |
268 | } | |
269 | } | |
270 | continue; | |
271 | ||
272 | case O(GROW,'l'): /* hack - needed to understand layout */ | |
273 | case O(CREATE,'l'): | |
274 | case O(BUILD,'l'): /* set raid level*/ | |
275 | if (level != UnSet) { | |
276 | fprintf(stderr, Name ": raid level may only be set once. " | |
277 | "Second value is %s.\n", optarg); | |
278 | exit(2); | |
279 | } | |
280 | level = map_name(pers, optarg); | |
281 | if (level == UnSet) { | |
282 | fprintf(stderr, Name ": invalid raid level: %s\n", | |
283 | optarg); | |
284 | exit(2); | |
285 | } | |
286 | if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) { | |
287 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", | |
288 | optarg); | |
289 | exit(2); | |
290 | } | |
291 | if (sparedisks > 0 && level < 1 && level >= -1) { | |
292 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", | |
293 | optarg); | |
294 | exit(2); | |
295 | } | |
296 | ident.level = level; | |
297 | continue; | |
298 | ||
299 | case O(CREATE,'p'): /* raid5 layout */ | |
300 | case O(BUILD,'p'): /* faulty layout */ | |
301 | case O(GROW, 'p'): /* faulty reconfig */ | |
302 | if (layout != UnSet) { | |
303 | fprintf(stderr,Name ": layout may only be sent once. " | |
304 | "Second value was %s\n", optarg); | |
305 | exit(2); | |
306 | } | |
307 | switch(level) { | |
308 | default: | |
309 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", | |
310 | map_num(pers, level)); | |
311 | exit(2); | |
312 | case UnSet: | |
313 | fprintf(stderr, Name ": raid level must be given before layout.\n"); | |
314 | exit(2); | |
315 | ||
316 | case 5: | |
317 | case 6: | |
318 | layout = map_name(r5layout, optarg); | |
319 | if (layout==UnSet) { | |
320 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", | |
321 | optarg); | |
322 | exit(2); | |
323 | } | |
324 | break; | |
325 | ||
326 | case 10: | |
327 | /* 'f' or 'n' followed by a number <= raid_disks */ | |
328 | if ((optarg[0] != 'n' && optarg[0] != 'f') || | |
329 | (copies = strtoul(optarg+1, &cp, 10)) < 1 || | |
330 | copies > 200 || | |
331 | *cp) { | |
332 | fprintf(stderr, Name ": layout for raid10 must be 'nNN' or 'fNN' where NN is a number, not %s\n", optarg); | |
333 | exit(2); | |
334 | } | |
335 | if (optarg[0] == 'n') | |
336 | layout = 256 + copies; | |
337 | else | |
338 | layout = 1 + (copies<<8); | |
339 | break; | |
340 | case -5: /* Faulty | |
341 | * modeNNN | |
342 | */ | |
343 | ||
344 | { | |
345 | int ln = strcspn(optarg, "0123456789"); | |
346 | char *m = strdup(optarg); | |
347 | int mode; | |
348 | m[ln] = 0; | |
349 | mode = map_name(faultylayout, m); | |
350 | if (mode == UnSet) { | |
351 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", | |
352 | optarg); | |
353 | exit(2); | |
354 | } | |
355 | layout = mode | (atoi(optarg+ln)<< ModeShift); | |
356 | } | |
357 | } | |
358 | continue; | |
359 | ||
360 | case O(CREATE,3): | |
361 | case O(BUILD,3): /* assume clean */ | |
362 | assume_clean = 1; | |
363 | continue; | |
364 | ||
365 | case O(GROW,'n'): | |
366 | case O(CREATE,'n'): | |
367 | case O(BUILD,'n'): /* number of raid disks */ | |
368 | if (raiddisks) { | |
369 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", | |
370 | raiddisks, optarg); | |
371 | exit(2); | |
372 | } | |
373 | raiddisks = strtol(optarg, &c, 10); | |
374 | if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) { | |
375 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", | |
376 | optarg); | |
377 | exit(2); | |
378 | } | |
379 | if (raiddisks == 1 && !force && level != -5) { | |
380 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
381 | " a mistake. If you really mean it you will need to specify --force before\n" | |
382 | " setting the number of drives.\n"); | |
383 | exit(2); | |
384 | } | |
385 | ident.raid_disks = raiddisks; | |
386 | continue; | |
387 | ||
388 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ | |
389 | if (sparedisks) { | |
390 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", | |
391 | sparedisks, optarg); | |
392 | exit(2); | |
393 | } | |
394 | if (level != UnSet && level <= 0 && level >= -1) { | |
395 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", | |
396 | level); | |
397 | exit(2); | |
398 | } | |
399 | sparedisks = strtol(optarg, &c, 10); | |
400 | if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) { | |
401 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", | |
402 | optarg); | |
403 | exit(2); | |
404 | } | |
405 | continue; | |
406 | ||
407 | case O(CREATE,'a'): | |
408 | case O(BUILD,'a'): | |
409 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ | |
410 | if (optarg == NULL) | |
411 | autof = -2; | |
412 | else if (strcasecmp(optarg,"no")==0) | |
413 | autof = 0; | |
414 | else if (strcasecmp(optarg,"yes")==0) | |
415 | autof = -2; | |
416 | else if (strcasecmp(optarg,"md")==0) | |
417 | autof = -1; | |
418 | else { | |
419 | /* There might be digits, and maybe a hypen, at the end */ | |
420 | char *e = optarg + strlen(optarg); | |
421 | int num = 4; | |
422 | int len; | |
423 | while (e > optarg && isdigit(e[-1])) | |
424 | e--; | |
425 | if (*e) { | |
426 | num = atoi(e); | |
427 | if (num <= 0) num = 1; | |
428 | } | |
429 | if (e > optarg && e[-1] == '-') | |
430 | e--; | |
431 | len = e - optarg; | |
432 | if ((len == 3 && strncasecmp(optarg,"mdp",3)==0) || | |
433 | (len == 1 && strncasecmp(optarg,"p",1)==0) || | |
434 | (len >= 4 && strncasecmp(optarg,"part",4)==0)) | |
435 | autof = num; | |
436 | else { | |
437 | fprintf(stderr, Name ": --auto flag arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n" | |
438 | " optionally followed by a number.\n", | |
439 | optarg); | |
440 | exit(2); | |
441 | } | |
442 | } | |
443 | continue; | |
444 | ||
445 | case O(BUILD,'f'): /* force honouring '-n 1' */ | |
446 | case O(CREATE,'f'): /* force honouring of device list */ | |
447 | case O(ASSEMBLE,'f'): /* force assembly */ | |
448 | case O(MISC,'f'): /* force zero */ | |
449 | force=1; | |
450 | continue; | |
451 | ||
452 | /* now for the Assemble options */ | |
453 | case O(ASSEMBLE,'u'): /* uuid of array */ | |
454 | if (ident.uuid_set) { | |
455 | fprintf(stderr, Name ": uuid cannot be set twice. " | |
456 | "Second value %s.\n", optarg); | |
457 | exit(2); | |
458 | } | |
459 | if (parse_uuid(optarg, ident.uuid)) | |
460 | ident.uuid_set = 1; | |
461 | else { | |
462 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
463 | exit(2); | |
464 | } | |
465 | continue; | |
466 | ||
467 | case O(ASSEMBLE,'m'): /* super-minor for array */ | |
468 | if (ident.super_minor != UnSet) { | |
469 | fprintf(stderr, Name ": super-minor cannot be set twice. " | |
470 | "Second value: %s.\n", optarg); | |
471 | exit(2); | |
472 | } | |
473 | if (strcmp(optarg, "dev")==0) | |
474 | ident.super_minor = -2; | |
475 | else { | |
476 | ident.super_minor = strtoul(optarg, &cp, 10); | |
477 | if (!optarg[0] || *cp) { | |
478 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
479 | exit(2); | |
480 | } | |
481 | } | |
482 | continue; | |
483 | ||
484 | case O(ASSEMBLE,'U'): /* update the superblock */ | |
485 | if (update) { | |
486 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
487 | update, optarg); | |
488 | exit(2); | |
489 | } | |
490 | update = optarg; | |
491 | if (strcmp(update, "sparc2.2")==0) | |
492 | continue; | |
493 | if (strcmp(update, "super-minor") == 0) | |
494 | continue; | |
495 | if (strcmp(update, "summaries")==0) | |
496 | continue; | |
497 | if (strcmp(update, "resync")==0) | |
498 | continue; | |
499 | fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'resync' or 'summaries' supported\n",update); | |
500 | exit(2); | |
501 | ||
502 | case O(ASSEMBLE,'c'): /* config file */ | |
503 | case O(MISC, 'c'): | |
504 | case O(MONITOR,'c'): | |
505 | if (configfile) { | |
506 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
507 | "Second value is %s.\n", optarg); | |
508 | exit(2); | |
509 | } | |
510 | configfile = optarg; | |
511 | /* FIXME possibly check that config file exists. Even parse it */ | |
512 | continue; | |
513 | case O(ASSEMBLE,'s'): /* scan */ | |
514 | case O(MISC,'s'): | |
515 | case O(MONITOR,'s'): | |
516 | scan = 1; | |
517 | continue; | |
518 | ||
519 | case O(MONITOR,'m'): /* mail address */ | |
520 | if (mailaddr) | |
521 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
522 | optarg); | |
523 | else | |
524 | mailaddr = optarg; | |
525 | continue; | |
526 | ||
527 | case O(MONITOR,'p'): /* alert program */ | |
528 | if (program) | |
529 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
530 | optarg); | |
531 | else | |
532 | program = optarg; | |
533 | continue; | |
534 | ||
535 | case O(MONITOR,'d'): /* delay in seconds */ | |
536 | if (delay) | |
537 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
538 | optarg); | |
539 | else { | |
540 | delay = strtol(optarg, &c, 10); | |
541 | if (!optarg[0] || *c || delay<1) { | |
542 | fprintf(stderr, Name ": invalid delay: %s\n", | |
543 | optarg); | |
544 | exit(2); | |
545 | } | |
546 | } | |
547 | continue; | |
548 | case O(MONITOR,'f'): /* daemonise */ | |
549 | daemonise = 1; | |
550 | continue; | |
551 | case O(MONITOR,'i'): /* pid */ | |
552 | if (pidfile) | |
553 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
554 | optarg); | |
555 | else | |
556 | pidfile = optarg; | |
557 | continue; | |
558 | case O(MONITOR,'1'): /* oneshot */ | |
559 | oneshot = 1; | |
560 | continue; | |
561 | case O(MONITOR,'t'): /* test */ | |
562 | test = 1; | |
563 | continue; | |
564 | ||
565 | /* now the general management options. Some are applicable | |
566 | * to other modes. None have arguments. | |
567 | */ | |
568 | case O(GROW,'a'): | |
569 | case O(MANAGE,'a'): /* add a drive */ | |
570 | devmode = 'a'; | |
571 | continue; | |
572 | case O(MANAGE,'r'): /* remove a drive */ | |
573 | devmode = 'r'; | |
574 | continue; | |
575 | case O(MANAGE,'f'): /* set faulty */ | |
576 | devmode = 'f'; | |
577 | continue; | |
578 | case O(MANAGE,'R'): | |
579 | case O(ASSEMBLE,'R'): | |
580 | case O(BUILD,'R'): | |
581 | case O(CREATE,'R'): /* Run the array */ | |
582 | if (runstop < 0) { | |
583 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
584 | exit(2); | |
585 | } | |
586 | runstop = 1; | |
587 | continue; | |
588 | case O(MANAGE,'S'): | |
589 | if (runstop > 0) { | |
590 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
591 | exit(2); | |
592 | } | |
593 | runstop = -1; | |
594 | continue; | |
595 | ||
596 | case O(MANAGE,'o'): | |
597 | if (readonly < 0) { | |
598 | fprintf(stderr, Name ": Cannot have both readonly and readwrite\n"); | |
599 | exit(2); | |
600 | } | |
601 | readonly = 1; | |
602 | continue; | |
603 | case O(MANAGE,'w'): | |
604 | if (readonly > 0) { | |
605 | fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n"); | |
606 | exit(2); | |
607 | } | |
608 | readonly = -1; | |
609 | continue; | |
610 | ||
611 | case O(MISC,'Q'): | |
612 | case O(MISC,'D'): | |
613 | case O(MISC,'E'): | |
614 | case O(MISC,'K'): | |
615 | case O(MISC,'R'): | |
616 | case O(MISC,'S'): | |
617 | case O(MISC,'o'): | |
618 | case O(MISC,'w'): | |
619 | if (devmode && devmode != opt && | |
620 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
621 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
622 | devmode =='E'?opt:devmode); | |
623 | exit(2); | |
624 | } | |
625 | devmode = opt; | |
626 | continue; | |
627 | case O(MISC,'t'): | |
628 | test = 1; | |
629 | continue; | |
630 | ||
631 | case O(MISC, 22): | |
632 | if (devmode != 'E') { | |
633 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
634 | exit(2); | |
635 | } | |
636 | SparcAdjust = 1; | |
637 | continue; | |
638 | } | |
639 | /* We have now processed all the valid options. Anything else is | |
640 | * an error | |
641 | */ | |
642 | fprintf(stderr, Name ": option %c not valid in %s mode\n", | |
643 | opt, map_num(modes, mode)); | |
644 | exit(2); | |
645 | ||
646 | } | |
647 | ||
648 | if (!mode) { | |
649 | fputs(Usage, stderr); | |
650 | exit(2); | |
651 | } | |
652 | /* Ok, got the option parsing out of the way | |
653 | * hopefully it's mostly right but there might be some stuff | |
654 | * missing | |
655 | * | |
656 | * That is mosty checked in the per-mode stuff but... | |
657 | * | |
658 | * For @,B,C and A without -s, the first device listed must be an md device | |
659 | * we check that here and open it. | |
660 | */ | |
661 | ||
662 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || | |
663 | (mode == ASSEMBLE && ! scan)) { | |
664 | if (devs_found < 1) { | |
665 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
666 | exit(2); | |
667 | } | |
668 | if ((int)ident.super_minor == -2 && autof) { | |
669 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); | |
670 | exit(2); | |
671 | } | |
672 | mdfd = open_mddev(devlist->devname, autof); | |
673 | if (mdfd < 0) | |
674 | exit(1); | |
675 | if ((int)ident.super_minor == -2) { | |
676 | struct stat stb; | |
677 | fstat(mdfd, &stb); | |
678 | ident.super_minor = minor(stb.st_rdev); | |
679 | } | |
680 | } | |
681 | ||
682 | rv = 0; | |
683 | switch(mode) { | |
684 | case MANAGE: | |
685 | /* readonly, add/remove, readwrite, runstop */ | |
686 | if (readonly>0) | |
687 | rv = Manage_ro(devlist->devname, mdfd, readonly); | |
688 | if (!rv && devs_found>1) | |
689 | rv = Manage_subdevs(devlist->devname, mdfd, | |
690 | devlist->next); | |
691 | if (!rv && readonly < 0) | |
692 | rv = Manage_ro(devlist->devname, mdfd, readonly); | |
693 | if (!rv && runstop) | |
694 | rv = Manage_runstop(devlist->devname, mdfd, runstop); | |
695 | break; | |
696 | case ASSEMBLE: | |
697 | if (devs_found == 1 && ident.uuid_set == 0 && | |
698 | ident.super_minor == UnSet && !scan ) { | |
699 | /* Only a device has been given, so get details from config file */ | |
700 | mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname); | |
701 | if (array_ident == NULL) { | |
702 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
703 | devlist->devname); | |
704 | rv |= 1; | |
705 | } else { | |
706 | mdfd = open_mddev(devlist->devname, array_ident->autof); | |
707 | if (mdfd < 0) | |
708 | rv |= 1; | |
709 | else { | |
710 | rv |= Assemble(devlist->devname, mdfd, array_ident, configfile, | |
711 | NULL, | |
712 | readonly, runstop, update, verbose, force); | |
713 | close(mdfd); | |
714 | } | |
715 | } | |
716 | } else if (!scan) | |
717 | rv = Assemble(devlist->devname, mdfd, &ident, configfile, | |
718 | devlist->next, | |
719 | readonly, runstop, update, verbose, force); | |
720 | else if (devs_found>0) { | |
721 | if (update && devs_found > 1) { | |
722 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
723 | exit(1); | |
724 | } | |
725 | for (dv = devlist ; dv ; dv=dv->next) { | |
726 | mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname); | |
727 | if (array_ident == NULL) { | |
728 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
729 | dv->devname); | |
730 | rv |= 1; | |
731 | continue; | |
732 | } | |
733 | mdfd = open_mddev(dv->devname, array_ident->autof); | |
734 | if (mdfd < 0) { | |
735 | rv |= 1; | |
736 | continue; | |
737 | } | |
738 | rv |= Assemble(dv->devname, mdfd, array_ident, configfile, | |
739 | NULL, | |
740 | readonly, runstop, update, verbose, force); | |
741 | close(mdfd); | |
742 | } | |
743 | } else { | |
744 | mddev_ident_t array_list = conf_get_ident(configfile, NULL); | |
745 | if (!array_list) { | |
746 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
747 | rv = 1; | |
748 | } else | |
749 | for (; array_list; array_list = array_list->next) { | |
750 | mdu_array_info_t array; | |
751 | mdfd = open_mddev(array_list->devname, array_list->autof); | |
752 | if (mdfd < 0) { | |
753 | rv |= 1; | |
754 | continue; | |
755 | } | |
756 | if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) | |
757 | /* already assembled, skip */ | |
758 | continue; | |
759 | rv |= Assemble(array_list->devname, mdfd, | |
760 | array_list, configfile, | |
761 | NULL, | |
762 | readonly, runstop, NULL, verbose, force); | |
763 | } | |
764 | } | |
765 | break; | |
766 | case BUILD: | |
767 | rv = Build(devlist->devname, mdfd, chunk, level, layout, raiddisks, devlist->next, assume_clean); | |
768 | break; | |
769 | case CREATE: | |
770 | rv = Create(devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, | |
771 | raiddisks, sparedisks, | |
772 | devs_found-1, devlist->next, runstop, verbose, force); | |
773 | break; | |
774 | case MISC: | |
775 | ||
776 | if (devmode == 'E') { | |
777 | if (devlist == NULL && !scan) { | |
778 | fprintf(stderr, Name ": No devices to examine\n"); | |
779 | exit(2); | |
780 | } | |
781 | if (devlist == NULL) | |
782 | devlist = conf_get_devs(configfile); | |
783 | if (devlist == NULL) { | |
784 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); | |
785 | exit(1); | |
786 | } | |
787 | rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust); | |
788 | } else { | |
789 | if (devlist == NULL) { | |
790 | if ((devmode == 'S' ||devmode=='D') && scan) { | |
791 | /* apply to all devices in /proc/mdstat */ | |
792 | struct mdstat_ent *ms = mdstat_read(0); | |
793 | struct mdstat_ent *e; | |
794 | for (e=ms ; e ; e=e->next) { | |
795 | char *name = get_md_name(e->devnum); | |
796 | ||
797 | if (!name) { | |
798 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
799 | e->dev); | |
800 | continue; | |
801 | } | |
802 | if (devmode == 'D') | |
803 | rv |= Detail(name, !verbose, test); | |
804 | else if (devmode=='S') { | |
805 | mdfd = open_mddev(name, 0); | |
806 | if (mdfd >= 0) | |
807 | rv |= Manage_runstop(name, mdfd, -1); | |
808 | } | |
809 | put_md_name(name); | |
810 | } | |
811 | } else { | |
812 | fprintf(stderr, Name ": No devices given.\n"); | |
813 | exit(2); | |
814 | } | |
815 | } | |
816 | for (dv=devlist ; dv; dv=dv->next) { | |
817 | switch(dv->disposition) { | |
818 | case 'D': | |
819 | rv |= Detail(dv->devname, brief, test); continue; | |
820 | case 'K': /* Zero superblock */ | |
821 | rv |= Kill(dv->devname, force); continue; | |
822 | case 'Q': | |
823 | rv |= Query(dv->devname); continue; | |
824 | } | |
825 | mdfd = open_mddev(dv->devname, 0); | |
826 | if (mdfd>=0) | |
827 | switch(dv->disposition) { | |
828 | case 'R': | |
829 | rv |= Manage_runstop(dv->devname, mdfd, 1); break; | |
830 | case 'S': | |
831 | rv |= Manage_runstop(dv->devname, mdfd, -1); break; | |
832 | case 'o': | |
833 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
834 | case 'w': | |
835 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
836 | } | |
837 | } | |
838 | } | |
839 | break; | |
840 | case MONITOR: | |
841 | if (!devlist && !scan) { | |
842 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
843 | rv = 1; | |
844 | break; | |
845 | } | |
846 | if (pidfile && !daemonise) { | |
847 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
848 | rv = 1; | |
849 | break; | |
850 | } | |
851 | rv= Monitor(devlist, mailaddr, program, | |
852 | delay?delay:60, daemonise, scan, oneshot, configfile, test, pidfile); | |
853 | break; | |
854 | ||
855 | case GROW: | |
856 | if (devs_found > 1) { | |
857 | ||
858 | /* must be '-a'. */ | |
859 | if (size >= 0 || raiddisks) { | |
860 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
861 | rv = 1; | |
862 | break; | |
863 | } | |
864 | for (dv=devlist->next; dv ; dv=dv->next) { | |
865 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
866 | if (rv) | |
867 | break; | |
868 | } | |
869 | } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) > 1) { | |
870 | fprintf(stderr, Name ": can change at most one of size, raiddisks, and layout\n"); | |
871 | rv = 1; | |
872 | break; | |
873 | } else if (layout != UnSet) | |
874 | rv = Manage_reconfig(devlist->devname, mdfd, layout); | |
875 | else if (size >= 0 || raiddisks) | |
876 | rv = Manage_resize(devlist->devname, mdfd, size, raiddisks); | |
877 | else | |
878 | fprintf(stderr, Name ": no changes to --grow\n"); | |
879 | break; | |
880 | } | |
881 | exit(rv); | |
882 | } |