[thirdparty/mdadm.git] / mdctl.c

/*
 * mdctl - manage Linux "md" devices aka RAID arrays.
 *
 * Copyright (C) 2001 Neil Brown <neilb@cse.unsw.edu.au>
 *
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *    Author: Neil Brown
 *    Email: <neilb@cse.unsw.edu.au>
 *    Paper: Neil Brown
 *           School of Computer Science and Engineering
 *           The University of New South Wales
 *           Sydney, 2052
 *           Australia
 */

#include "mdctl.h"
#include "md_p.h"

int open_mddev(char *dev)
{
	int mdfd = open(dev, O_RDWR, 0);
	if (mdfd < 0)
		fprintf(stderr,Name ": error opening %s: %s\n",
			dev, strerror(errno));
	else if (md_get_version(mdfd) <= 0) {
		fprintf(stderr, Name ": %s does not appear to be an md device\n",
			dev);
		close(mdfd);
		mdfd = -1;
	}
	return mdfd;
}


int main(int argc, char *argv[])
{
	char mode = '\0';
	int opt;
	char *help_text;
	char *c;
	int rv;
	int i;

	int chunk = 0;
	int size = 0;
	int level = -10;
	int layout = -1;
	int raiddisks = 0;
	int sparedisks = 0;
	struct mddev_ident_s ident;
	char *configfile = NULL;
	int scan = 0;
	char devmode = 0;
	int runstop = 0;
	int readonly = 0;
	char *devs[MD_SB_DISKS+1];
	int devmodes[MD_SB_DISKS+1];
	int devs_found = 0;
	int verbose = 0;
	int force = 0;

	char *mailaddr = NULL;
	char *program = NULL;
	int delay = 0;

	int mdfd = -1;

	ident.uuid_set=0;
	ident.super_minor= -1;
	ident.devices=0;

	while ((opt=getopt_long(argc, argv,
				short_options, long_options,
				NULL)) != -1) {

		switch(opt) {
		case '@': /* just incase they say --manage */
		case 'A':
		case 'B':
		case 'C':
		case 'D':
		case 'E':
		case 'F':
			/* setting mode - only once */
			if (mode) {
				fprintf(stderr, Name ": --%s/-%c not allowed, mode already set to %s\n",
					long_options[opt-'A'+1].name,
					long_options[opt-'A'+1].val,
					long_options[mode-'A'+1].name);
				exit(2);
			}
			mode = opt;
			continue;

		case 'h':
			help_text = Help;
			switch (mode) {
			case 'C': help_text = Help_create; break;
			case 'B': help_text = Help_build; break;
			case 'A': help_text = Help_assemble; break;
			}
			fputs(help_text,stderr);
			exit(0);

		case 'V':
			fputs(Version, stderr);
			exit(0);

		case 'v': verbose = 1;
			continue;

		case 1: /* an undecorated option - must be a device name.
			 * Depending on mode, it could be that:
			 * All devices listed are "md" devices : --Detail, -As
			 * No devices are "md" devices : --Examine
			 * First device is "md", others are component: -A,-B,-C
			 */
			if (devs_found >= MD_SB_DISKS+1) {
				fprintf(stderr, Name ": too many devices at %s - current limit -s %d\n",
					optarg, MD_SB_DISKS+1);
				exit(2);
			}
			devs[devs_found] = optarg;
			devmodes[devs_found] = devmode;
			devs_found++;
			continue;

		case ':':
		case '?':
			fputs(Usage, stderr);
			exit(2);
		default:
			/* force mode setting - @==manage if nothing else */
			if (!mode) mode = '@';
		}

		/* We've got a mode, and opt is now something else which
		 * could depend on the mode */
#define O(a,b) ((a<<8)|b)
		switch (O(mode,opt)) {
		case O('C','c'):
		case O('B','c'): /* chunk or rounding */
			if (chunk) {
				fprintf(stderr, Name ": chunk/rounding may only be specified once. "
					"Second value is %s.\n", optarg);
				exit(2);
			}
			chunk = strtol(optarg, &c, 10);
			if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) {
				fprintf(stderr, Name ": invalid chunk/rounding value: %s\n",
					optarg);
				exit(2);
			}
			continue;

		case O('C','z'): /* size */
			if (size) {
				fprintf(stderr, Name ": size may only be specified once. "
					"Second value is %s.\n", optarg);
				exit(2);
			}
			size = strtol(optarg, &c, 10);
			if (!optarg[0] || *c || size < 4) {
				fprintf(stderr, Name ": invalid size: %s\n",
					optarg);
				exit(2);
			}
			continue;

		case O('C','l'):
		case O('B','l'): /* set raid level*/
			if (level != -10) {
				fprintf(stderr, Name ": raid level may only be set once.  "
					"Second value is %s.\n", optarg);
				exit(2);
			}
			level = map_name(pers, optarg);
			if (level == -10) {
				fprintf(stderr, Name ": invalid raid level: %s\n",
					optarg);
				exit(2);
			}
			if (level > 0 && mode == 'B') {
				fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
					optarg);
				exit(2);
			}
			if (sparedisks > 0 && level < 1) {
				fprintf(stderr, Name ": raid level %s is incompatible with spare-disks setting.\n",
					optarg);
				exit(2);
			}
			continue;

		case O('C','p'): /* raid5 layout */
			if (layout >= 0) {
				fprintf(stderr,Name ": layout may only be sent once.  "
					"Second value was %s\n", optarg);
				exit(2);
			}
			switch(level) {
			default:
				fprintf(stderr, Name ": layout now meaningful for %s arrays.\n",
					map_num(pers, level));
				exit(2);
			case -10:
				fprintf(stderr, Name ": raid level must be given before layout.\n");
				exit(2);

			case 5:
				layout = map_name(r5layout, optarg);
				if (layout==-10) {
					fprintf(stderr, Name ": layout %s not understood for raid5.\n",
						optarg);
					exit(2);
				}
				break;
			}
			continue;

		case O('C','n'):
		case O('B','n'): /* number of raid disks */
			if (raiddisks) {
				fprintf(stderr, Name ": raid-disks set twice: %d and %s\n",
					raiddisks, optarg);
				exit(2);
			}
			raiddisks = strtol(optarg, &c, 10);
			if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) {
				fprintf(stderr, Name ": invalid number of raid disks: %s\n",
					optarg);
				exit(2);
			}
			continue;

		case O('C','x'): /* number of spare (eXtra) discs */
			if (sparedisks) {
				fprintf(stderr,Name ": spare-disks set twice: %d and %s\n",
					sparedisks, optarg);
				exit(2);
			}
			if (level > -10 && level < 1) {
				fprintf(stderr, Name ": spare-disks setting is incompatible with raid level %d\n",
					level);
				exit(2);
			}
			sparedisks = strtol(optarg, &c, 10);
			if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) {
				fprintf(stderr, Name ": invalid number of spare disks: %s\n",
					optarg);
				exit(2);
			}
			continue;
		case O('C','f'): /* force honouring of device list */
			force=1;
			continue;

			/* now for the Assemble options */
		case O('A','f'): /* force assembly */
			force = 1;
			continue;
		case O('A','u'): /* uuid of array */
			if (ident.uuid_set) {
				fprintf(stderr, Name ": uuid cannot bet set twice.  "
					"Second value %s.\n", optarg);
				exit(2);
			}
			if (parse_uuid(optarg, ident.uuid))
				ident.uuid_set = 1;
			else {
				fprintf(stderr,Name ": Bad uuid: %s\n", optarg);
				exit(2);
			}
			continue;

		case O('A','c'): /* config file */
		case O('F','c'):
			if (configfile) {
				fprintf(stderr, Name ": configfile cannot be set twice.  "
					"Second value is %s.\n", optarg);
				exit(2);
			}
			configfile = optarg;
			/* FIXME possibly check that config file exists.  Even parse it */
			continue;
		case O('A','s'): /* scan */
			scan = 1;
			continue;

		case O('F','m'): /* mail address */
			if (mailaddr)
				fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n",
					optarg);
			else
				mailaddr = optarg;
			continue;

		case O('F','p'): /* alert program */
			if (program)
				fprintf(stderr, Name ": only specify one alter program. %s ignored.\n",
					optarg);
			else
				program = optarg;
			continue;

		case O('F','d'): /* delay in seconds */
			if (delay)
				fprintf(stderr, Name ": only specify delay once. %s ignored.\n",
					optarg);
			else {
				delay = strtol(optarg, &c, 10);
				if (!optarg[0] || *c || delay<1) {
					fprintf(stderr, Name ": invalid delay: %s\n",
						optarg);
					exit(2);
				}
			}
			continue;
			

			/* now the general management options.  Some are applicable
			 * to other modes. None have arguments.
			 */
		case O('@','a'):
		case O('C','a'):
		case O('B','a'):
		case O('A','a'): /* add a drive */
			devmode = 'a';
			continue;
		case O('@','r'): /* remove a drive */
			devmode = 'r';
			continue;
		case O('@','f'): /* set faulty */
			devmode = 'f';
			continue;
		case O('@','R'):
		case O('A','R'):
		case O('B','R'):
		case O('C','R'): /* Run the array */
			if (runstop < 0) {
				fprintf(stderr, Name ": Cannot both Stop and Run an array\n");
				exit(2);
			}
			runstop = 1;
			continue;
		case O('@','S'):
			if (runstop > 0) {
				fprintf(stderr, Name ": Cannot both Run and Stop an array\n");
				exit(2);
			}
			runstop = -1;
			continue;

		case O('@','o'):
			if (readonly < 0) {
				fprintf(stderr, Name ": Cannot have both readonly and readwrite\n");
				exit(2);
			}
			readonly = 1;
			continue;
		case O('@','w'):
			if (readonly > 0) {
				fprintf(stderr, "mkdctl: Cannot have both readwrite and readonly.\n");
				exit(2);
			}
			readonly = -1;
			continue;
		}
		/* We have now processed all the valid options. Anything else is
		 * an error
		 */
		fprintf(stderr, Name ": option %c not valid in mode %c\n",
			opt, mode);
		exit(2);

	}

	if (!mode) {
		fputs(Usage, stderr);
		exit(2);
	}
	/* Ok, got the option parsing out of the way
	 * hopefully it's mostly right but there might be some stuff
	 * missing
	 *
	 * That is mosty checked in ther per-mode stuff but...
	 *
	 * For @,B,C  and A without -s, the first device listed must be an md device
	 * we check that here and open it.
	 */

	if (mode=='@' || mode == 'B' || mode == 'C' || (mode == 'A' && ! scan)) {
		if (devs_found < 1) {
			fprintf(stderr, Name ": an md device must be given in this mode\n");
			exit(2);
		}
		mdfd = open_mddev(devs[0]);
		if (mdfd < 0)
			exit(1);
	}


	rv = 0;
	switch(mode) {
	case '@':/* Management */
		/* readonly, add/remove, readwrite, runstop */
		if (readonly>0)
			rv = Manage_ro(devs[0], mdfd, readonly);
		if (!rv && devs_found>1)
			rv = Manage_subdevs(devs[0], mdfd,
					    devs_found-1, devs+1, devmodes+1);
		if (!rv && readonly < 0)
			rv = Manage_ro(devs[0], mdfd, readonly);
		if (!rv && runstop)
			rv = Manage_runstop(devs[0], mdfd, runstop);
		break;
	case 'A': /* Assemble */
		if (!scan)
			rv = Assemble(devs[0], mdfd, &ident, configfile,
				      devs_found-1, devs+1,
				      readonly, runstop, verbose, force);
		else if (devs_found>0)
			for (i=0; i<devs_found; i++) {
				mddev_ident_t array_ident = conf_get_ident(configfile, devs[i]);
				mdfd = open_mddev(devs[i]);
				if (mdfd < 0) {
					rv |= 1;
					continue;
				}
				if (array_ident == NULL) {
					fprintf(stderr, Name ": %s not identified in config file.\n",
						devs[i]);
					rv |= 1;
					continue;
				}
				rv |= Assemble(devs[i], mdfd, array_ident, configfile,
					       0, NULL,
					       readonly, runstop, verbose, force);
			}
		else {
			mddev_ident_t array_list =  conf_get_ident(configfile, NULL);
			if (!array_list) {
				fprintf(stderr, Name ": No arrays found in config file\n");
				rv = 1;
			} else
				for (; array_list; array_list = array_list->next) {
					mdfd = open_mddev(array_list->devname);
					if (mdfd < 0) {
						rv |= 1;
						continue;
					}
					rv |= Assemble(array_list->devname, mdfd,
						       array_list, configfile,
						       0, NULL,
						       readonly, runstop, verbose, force);
				}
		}
		break;
	case 'B': /* Build */
		rv = Build(devs[0], mdfd, chunk, level, raiddisks, devs_found-1,devs+1);
		break;
	case 'C': /* Create */
		rv = Create(devs[0], mdfd, chunk, level, layout, size,
			    raiddisks, sparedisks,
			    devs_found-1,devs+1, runstop, verbose, force);
		break;
	case 'D': /* Detail */
		for (i=0; i<devs_found; i++)
			rv |= Detail(devs[i]);
		break;
	case 'E': /* Examine */
		for (i=0; i<devs_found; i++)
			rv |= Examine(devs[i]);
		break;
	case 'F': /* Follow */
		rv= Monitor(devs_found, devs, mailaddr, program,
			    delay?delay:60, configfile);
	}
	exit(rv);
}
Commit	Line	Data
64c4757e NB	1	/*
	2	* mdctl - manage Linux "md" devices aka RAID arrays.
	3	*
	4	* Copyright (C) 2001 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 "mdctl.h"
	31	#include "md_p.h"
	32
52826846	33	int open_mddev(char *dev)
64c4757e	34	{
52826846 NB	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;
64c4757e	44	}
52826846 NB	45	return mdfd;
52826846 NB	46	}
64c4757e	47
64c4757e	48
52826846 NB	49
	50	int main(int argc, char *argv[])
	51	{
	52	char mode = '\0';
	53	int opt;
	54	char *help_text;
	55	char *c;
	56	int rv;
	57	int i;
	58
	59	int chunk = 0;
	60	int size = 0;
	61	int level = -10;
	62	int layout = -1;
	63	int raiddisks = 0;
	64	int sparedisks = 0;
	65	struct mddev_ident_s ident;
	66	char *configfile = NULL;
	67	int scan = 0;
	68	char devmode = 0;
	69	int runstop = 0;
	70	int readonly = 0;
	71	char *devs[MD_SB_DISKS+1];
	72	int devmodes[MD_SB_DISKS+1];
	73	int devs_found = 0;
	74	int verbose = 0;
	75	int force = 0;
	76
	77	char *mailaddr = NULL;
	78	char *program = NULL;
	79	int delay = 0;
	80
	81	int mdfd = -1;
	82
	83	ident.uuid_set=0;
	84	ident.super_minor= -1;
	85	ident.devices=0;
	86
	87	while ((opt=getopt_long(argc, argv,
	88	short_options, long_options,
	89	NULL)) != -1) {
	90
	91	switch(opt) {
	92	case '@': /* just incase they say --manage */
	93	case 'A':
	94	case 'B':
	95	case 'C':
	96	case 'D':
	97	case 'E':
	98	case 'F':
	99	/* setting mode - only once */
	100	if (mode) {
	101	fprintf(stderr, Name ": --%s/-%c not allowed, mode already set to %s\n",
	102	long_options[opt-'A'+1].name,
	103	long_options[opt-'A'+1].val,
	104	long_options[mode-'A'+1].name);
	105	exit(2);
	106	}
	107	mode = opt;
	108	continue;
	109
	110	case 'h':
	111	help_text = Help;
	112	switch (mode) {
113	case 'C': help_text = Help_create; break;
114	case 'B': help_text = Help_build; break;
115	case 'A': help_text = Help_assemble; break;
116	}
117	fputs(help_text,stderr);
118	exit(0);
119
120	case 'V':
121	fputs(Version, stderr);
122	exit(0);
123
124	case 'v': verbose = 1;
125	continue;
126
127	case 1: /* an undecorated option - must be a device name.
128	* Depending on mode, it could be that:
129	* All devices listed are "md" devices : --Detail, -As
130	* No devices are "md" devices : --Examine
131	* First device is "md", others are component: -A,-B,-C
132	*/
133	if (devs_found >= MD_SB_DISKS+1) {
134	fprintf(stderr, Name ": too many devices at %s - current limit -s %d\n",
135	optarg, MD_SB_DISKS+1);
136	exit(2);
137	}
138	devs[devs_found] = optarg;
139	devmodes[devs_found] = devmode;
140	devs_found++;
141	continue;
142
143	case ':':
144	case '?':
145	fputs(Usage, stderr);
682c7051	146	exit(2);
52826846 NB	147	default:
	148	/* force mode setting - @==manage if nothing else */
	149	if (!mode) mode = '@';
682c7051	150	}
682c7051	151
52826846 NB	152	/* We've got a mode, and opt is now something else which
	153	* could depend on the mode */
	154	#define O(a,b) ((a<<8)\|b)
	155	switch (O(mode,opt)) {
	156	case O('C','c'):
	157	case O('B','c'): /* chunk or rounding */
	158	if (chunk) {
	159	fprintf(stderr, Name ": chunk/rounding may only be specified once. "
	160	"Second value is %s.\n", optarg);
	161	exit(2);
	162	}
	163	chunk = strtol(optarg, &c, 10);
	164	if (!optarg[0] \|\| *c \|\| chunk<4 \|\| ((chunk-1)&chunk)) {
	165	fprintf(stderr, Name ": invalid chunk/rounding value: %s\n",
	166	optarg);
	167	exit(2);
	168	}
	169	continue;
64c4757e	170
52826846 NB	171	case O('C','z'): /* size */
	172	if (size) {
	173	fprintf(stderr, Name ": size may only be specified once. "
	174	"Second value is %s.\n", optarg);
	175	exit(2);
	176	}
	177	size = strtol(optarg, &c, 10);
	178	if (!optarg[0] \|\| *c \|\| size < 4) {
	179	fprintf(stderr, Name ": invalid size: %s\n",
	180	optarg);
	181	exit(2);
	182	}
	183	continue;
64c4757e	184
52826846 NB	185	case O('C','l'):
	186	case O('B','l'): /* set raid level*/
	187	if (level != -10) {
	188	fprintf(stderr, Name ": raid level may only be set once. "
	189	"Second value is %s.\n", optarg);
	190	exit(2);
	191	}
	192	level = map_name(pers, optarg);
	193	if (level == -10) {
	194	fprintf(stderr, Name ": invalid raid level: %s\n",
	195	optarg);
	196	exit(2);
	197	}
	198	if (level > 0 && mode == 'B') {
	199	fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
	200	optarg);
	201	exit(2);
	202	}
	203	if (sparedisks > 0 && level < 1) {
	204	fprintf(stderr, Name ": raid level %s is incompatible with spare-disks setting.\n",
	205	optarg);
	206	exit(2);
	207	}
	208	continue;
64c4757e	209
52826846 NB	210	case O('C','p'): /* raid5 layout */
	211	if (layout >= 0) {
	212	fprintf(stderr,Name ": layout may only be sent once. "
	213	"Second value was %s\n", optarg);
	214	exit(2);
	215	}
	216	switch(level) {
	217	default:
	218	fprintf(stderr, Name ": layout now meaningful for %s arrays.\n",
	219	map_num(pers, level));
	220	exit(2);
	221	case -10:
	222	fprintf(stderr, Name ": raid level must be given before layout.\n");
	223	exit(2);
	224
	225	case 5:
	226	layout = map_name(r5layout, optarg);
	227	if (layout==-10) {
	228	fprintf(stderr, Name ": layout %s not understood for raid5.\n",
	229	optarg);
	230	exit(2);
	231	}
	232	break;
	233	}
	234	continue;
	235
	236	case O('C','n'):
	237	case O('B','n'): /* number of raid disks */
	238	if (raiddisks) {
	239	fprintf(stderr, Name ": raid-disks set twice: %d and %s\n",
	240	raiddisks, optarg);
	241	exit(2);
	242	}
	243	raiddisks = strtol(optarg, &c, 10);
	244	if (!optarg[0] \|\| *c \|\| raiddisks<=0 \|\| raiddisks > MD_SB_DISKS) {
	245	fprintf(stderr, Name ": invalid number of raid disks: %s\n",
	246	optarg);
	247	exit(2);
	248	}
	249	continue;
	250
	251	case O('C','x'): /* number of spare (eXtra) discs */
	252	if (sparedisks) {
	253	fprintf(stderr,Name ": spare-disks set twice: %d and %s\n",
	254	sparedisks, optarg);
	255	exit(2);
	256	}
	257	if (level > -10 && level < 1) {
	258	fprintf(stderr, Name ": spare-disks setting is incompatible with raid level %d\n",
	259	level);
	260	exit(2);
	261	}
	262	sparedisks = strtol(optarg, &c, 10);
	263	if (!optarg[0] \|\| *c \|\| sparedisks < 0 \|\| sparedisks > MD_SB_DISKS - raiddisks) {
	264	fprintf(stderr, Name ": invalid number of spare disks: %s\n",
	265	optarg);
	266	exit(2);
	267	}
	268	continue;
	269	case O('C','f'): /* force honouring of device list */
	270	force=1;
	271	continue;
	272
	273	/* now for the Assemble options */
274	case O('A','f'): /* force assembly */
275	force = 1;
276	continue;
277	case O('A','u'): /* uuid of array */
278	if (ident.uuid_set) {
279	fprintf(stderr, Name ": uuid cannot bet set twice. "
280	"Second value %s.\n", optarg);
281	exit(2);
282	}
283	if (parse_uuid(optarg, ident.uuid))
284	ident.uuid_set = 1;
285	else {
286	fprintf(stderr,Name ": Bad uuid: %s\n", optarg);
287	exit(2);
288	}
289	continue;
290
291	case O('A','c'): /* config file */
292	case O('F','c'):
293	if (configfile) {
294	fprintf(stderr, Name ": configfile cannot be set twice. "
295	"Second value is %s.\n", optarg);
296	exit(2);
297	}
298	configfile = optarg;
299	/* FIXME possibly check that config file exists. Even parse it */
300	continue;
301	case O('A','s'): /* scan */
302	scan = 1;
303	continue;
304
305	case O('F','m'): /* mail address */
306	if (mailaddr)
307	fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n",
308	optarg);
309	else
310	mailaddr = optarg;
311	continue;
312
313	case O('F','p'): /* alert program */
314	if (program)
315	fprintf(stderr, Name ": only specify one alter program. %s ignored.\n",
316	optarg);
317	else
318	program = optarg;
319	continue;
64c4757e	320
52826846 NB	321	case O('F','d'): /* delay in seconds */
	322	if (delay)
	323	fprintf(stderr, Name ": only specify delay once. %s ignored.\n",
	324	optarg);
	325	else {
	326	delay = strtol(optarg, &c, 10);
	327	if (!optarg[0] \|\| *c \|\| delay<1) {
	328	fprintf(stderr, Name ": invalid delay: %s\n",
	329	optarg);
	330	exit(2);
	331	}
	332	}
	333	continue;
	334
	335
	336	/* now the general management options. Some are applicable
	337	* to other modes. None have arguments.
	338	*/
	339	case O('@','a'):
	340	case O('C','a'):
	341	case O('B','a'):
	342	case O('A','a'): /* add a drive */
	343	devmode = 'a';
	344	continue;
	345	case O('@','r'): /* remove a drive */
	346	devmode = 'r';
	347	continue;
	348	case O('@','f'): /* set faulty */
	349	devmode = 'f';
	350	continue;
	351	case O('@','R'):
	352	case O('A','R'):
	353	case O('B','R'):
	354	case O('C','R'): /* Run the array */
	355	if (runstop < 0) {
	356	fprintf(stderr, Name ": Cannot both Stop and Run an array\n");
	357	exit(2);
	358	}
	359	runstop = 1;
	360	continue;
	361	case O('@','S'):
	362	if (runstop > 0) {
	363	fprintf(stderr, Name ": Cannot both Run and Stop an array\n");
	364	exit(2);
	365	}
	366	runstop = -1;
	367	continue;
	368
	369	case O('@','o'):
	370	if (readonly < 0) {
	371	fprintf(stderr, Name ": Cannot have both readonly and readwrite\n");
	372	exit(2);
	373	}
	374	readonly = 1;
	375	continue;
	376	case O('@','w'):
	377	if (readonly > 0) {
	378	fprintf(stderr, "mkdctl: Cannot have both readwrite and readonly.\n");
	379	exit(2);
	380	}
	381	readonly = -1;
	382	continue;
	383	}
	384	/* We have now processed all the valid options. Anything else is
385	* an error
386	*/
387	fprintf(stderr, Name ": option %c not valid in mode %c\n",
388	opt, mode);
64c4757e	389	exit(2);
52826846 NB	390
	391	}
	392
	393	if (!mode) {
	394	fputs(Usage, stderr);
64c4757e	395	exit(2);
64c4757e	396	}
52826846 NB	397	/* Ok, got the option parsing out of the way
	398	* hopefully it's mostly right but there might be some stuff
	399	* missing
	400	*
	401	* That is mosty checked in ther per-mode stuff but...
	402	*
	403	* For @,B,C and A without -s, the first device listed must be an md device
	404	* we check that here and open it.
64c4757e	405	*/
52826846 NB	406
	407	if (mode=='@' \|\| mode == 'B' \|\| mode == 'C' \|\| (mode == 'A' && ! scan)) {
	408	if (devs_found < 1) {
	409	fprintf(stderr, Name ": an md device must be given in this mode\n");
	410	exit(2);
	411	}
	412	mdfd = open_mddev(devs[0]);
	413	if (mdfd < 0)
	414	exit(1);
64c4757e	415	}
52826846 NB	416
	417
	418	rv = 0;
	419	switch(mode) {
	420	case '@':/* Management */
	421	/* readonly, add/remove, readwrite, runstop */
	422	if (readonly>0)
	423	rv = Manage_ro(devs[0], mdfd, readonly);
	424	if (!rv && devs_found>1)
	425	rv = Manage_subdevs(devs[0], mdfd,
	426	devs_found-1, devs+1, devmodes+1);
	427	if (!rv && readonly < 0)
	428	rv = Manage_ro(devs[0], mdfd, readonly);
	429	if (!rv && runstop)
	430	rv = Manage_runstop(devs[0], mdfd, runstop);
	431	break;
	432	case 'A': /* Assemble */
	433	if (!scan)
	434	rv = Assemble(devs[0], mdfd, &ident, configfile,
	435	devs_found-1, devs+1,
	436	readonly, runstop, verbose, force);
	437	else if (devs_found>0)
	438	for (i=0; i<devs_found; i++) {
	439	mddev_ident_t array_ident = conf_get_ident(configfile, devs[i]);
	440	mdfd = open_mddev(devs[i]);
	441	if (mdfd < 0) {
	442	rv \|= 1;
	443	continue;
	444	}
	445	if (array_ident == NULL) {
	446	fprintf(stderr, Name ": %s not identified in config file.\n",
	447	devs[i]);
	448	rv \|= 1;
	449	continue;
	450	}
	451	rv \|= Assemble(devs[i], mdfd, array_ident, configfile,
	452	0, NULL,
	453	readonly, runstop, verbose, force);
	454	}
	455	else {
	456	mddev_ident_t array_list = conf_get_ident(configfile, NULL);
	457	if (!array_list) {
	458	fprintf(stderr, Name ": No arrays found in config file\n");
	459	rv = 1;
	460	} else
	461	for (; array_list; array_list = array_list->next) {
	462	mdfd = open_mddev(array_list->devname);
	463	if (mdfd < 0) {
	464	rv \|= 1;
	465	continue;
	466	}
	467	rv \|= Assemble(array_list->devname, mdfd,
	468	array_list, configfile,
	469	0, NULL,
	470	readonly, runstop, verbose, force);
	471	}
	472	}
	473	break;
	474	case 'B': /* Build */
	475	rv = Build(devs[0], mdfd, chunk, level, raiddisks, devs_found-1,devs+1);
	476	break;
	477	case 'C': /* Create */
	478	rv = Create(devs[0], mdfd, chunk, level, layout, size,
	479	raiddisks, sparedisks,
480	devs_found-1,devs+1, runstop, verbose, force);
481	break;
482	case 'D': /* Detail */
483	for (i=0; i<devs_found; i++)
484	rv \|= Detail(devs[i]);
485	break;
486	case 'E': /* Examine */
487	for (i=0; i<devs_found; i++)
488	rv \|= Examine(devs[i]);
489	break;
490	case 'F': /* Follow */
491	rv= Monitor(devs_found, devs, mailaddr, program,
492	delay?delay:60, configfile);
64c4757e	493	}
52826846	494	exit(rv);
64c4757e	495	}