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author | Neil Brown <neilb@suse.de> | 2002-03-08 00:03:52 +0000 |
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committer | Neil Brown <neilb@suse.de> | 2002-03-08 00:03:52 +0000 |
commit | 9a9dab3670110c2db7fe6f716977b72adedbf855 (patch) | |
tree | aadc786bb3f847d7ff670b61d15fbb5ef6651c82 /mdctl.c | |
parent | cd29a5c835c11cbcedc10487677eac6a946ad61b (diff) | |
download | mdadm-9a9dab3670110c2db7fe6f716977b72adedbf855.tar.gz mdadm-9a9dab3670110c2db7fe6f716977b72adedbf855.tar.xz mdadm-9a9dab3670110c2db7fe6f716977b72adedbf855.zip |
mdadm-0.7mdadm-0.7
Diffstat (limited to 'mdctl.c')
-rw-r--r-- | mdctl.c | 540 |
1 files changed, 0 insertions, 540 deletions
diff --git a/mdctl.c b/mdctl.c deleted file mode 100644 index 054fbc4..0000000 --- a/mdctl.c +++ /dev/null @@ -1,540 +0,0 @@ -/* - * mdctl - manage Linux "md" devices aka RAID arrays. - * - * Copyright (C) 2001-2002 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; - char *cp; - int scan = 0; - char devmode = 0; - int runstop = 0; - int readonly = 0; - mddev_dev_t devlist = NULL; - mddev_dev_t *devlistend = & devlist; - mddev_dev_t dv; - int devs_found = 0; - int verbose = 0; - int brief = 0; - int force = 0; - - char *mailaddr = NULL; - char *program = NULL; - int delay = 0; - - int mdfd = -1; - - ident.uuid_set=0; - ident.level = -10; - ident.raid_disks = -1; - 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 'b': brief = 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 - * Only accept on device before mode is determined. - * If mode is @, then require devmode for other devices. - */ - if (devs_found > 0 && !mode ) { - fprintf(stderr, Name ": Must give mode flag before second device name at %s\n", optarg); - exit(2); - } - if (devs_found > 0 && mode == '@' && !devmode) { - fprintf(stderr, Name ": Must give on of -a/-r/-f for subsequent devices at %s\n", optarg); - exit(2); - } - dv = malloc(sizeof(*dv)); - if (dv == NULL) { - fprintf(stderr, Name ": malloc failed\n"); - exit(3); - } - dv->devname = optarg; - dv->disposition = devmode; - dv->next = NULL; - *devlistend = dv; - devlistend = &dv->next; - - 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); - } - ident.level = level; - 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); - } - ident.raid_disks = raiddisks; - 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 be 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','m'): /* super-minor for array */ - if (ident.super_minor >= 0) { - fprintf(stderr, Name ": super-minor cannot be set twice. " - "Second value: %s.\n", optarg); - exit(2); - } - ident.super_minor = strtoul(optarg, &cp, 10); - if (!optarg[0] || *cp) { - fprintf(stderr, Name ": Bad super-minor number: %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 */ - case O('E','s'): - 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(devlist->devname); - if (mdfd < 0) - exit(1); - } - - - rv = 0; - switch(mode) { - case '@':/* Management */ - /* readonly, add/remove, readwrite, runstop */ - if (readonly>0) - rv = Manage_ro(devlist->devname, mdfd, readonly); - if (!rv && devs_found>1) - rv = Manage_subdevs(devlist->devname, mdfd, - devlist->next); - if (!rv && readonly < 0) - rv = Manage_ro(devlist->devname, mdfd, readonly); - if (!rv && runstop) - rv = Manage_runstop(devlist->devname, mdfd, runstop); - break; - case 'A': /* Assemble */ - if (!scan) - rv = Assemble(devlist->devname, mdfd, &ident, configfile, - devlist->next, - readonly, runstop, verbose, force); - else if (devs_found>0) - for (dv = devlist ; dv ; dv=dv->next) { - mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname); - mdfd = open_mddev(dv->devname); - if (mdfd < 0) { - rv |= 1; - continue; - } - if (array_ident == NULL) { - fprintf(stderr, Name ": %s not identified in config file.\n", - dv->devname); - rv |= 1; - continue; - } - rv |= Assemble(dv->devname, mdfd, array_ident, configfile, - 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) { - mdu_array_info_t array; - mdfd = open_mddev(array_list->devname); - if (mdfd < 0) { - rv |= 1; - continue; - } - if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) - /* already assembled, skip */ - continue; - rv |= Assemble(array_list->devname, mdfd, - array_list, configfile, - NULL, - readonly, runstop, verbose, force); - } - } - break; - case 'B': /* Build */ - rv = Build(devlist->devname, mdfd, chunk, level, raiddisks, devlist->next); - break; - case 'C': /* Create */ - rv = Create(devlist->devname, mdfd, chunk, level, layout, size, - raiddisks, sparedisks, - devs_found-1, devlist->next, runstop, verbose, force); - break; - case 'D': /* Detail */ - for (dv=devlist ; dv; dv=dv->next) - rv |= Detail(dv->devname, brief); - break; - case 'E': /* Examine */ - if (devlist == NULL && scan==0) { - fprintf(stderr, Name ": No devices to examine\n"); - exit(2); - } - rv = Examine(devlist, devlist?brief:!verbose, configfile); - break; - case 'F': /* Follow */ - rv= Monitor(devlist, mailaddr, program, - delay?delay:60, configfile); - } - exit(rv); -} |