diff options
Diffstat (limited to 'mdctl.c')
| -rw-r--r-- | mdctl.c | 115 |
1 files changed, 80 insertions, 35 deletions
@@ -1,7 +1,7 @@ /* * mdctl - manage Linux "md" devices aka RAID arrays. * - * Copyright (C) 2001 Neil Brown <neilb@cse.unsw.edu.au> + * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au> * * * This program is free software; you can redistribute it and/or modify @@ -64,14 +64,17 @@ int main(int argc, char *argv[]) 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; - char *devs[MD_SB_DISKS+1]; - int devmodes[MD_SB_DISKS+1]; + 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; @@ -81,6 +84,8 @@ int main(int argc, char *argv[]) int mdfd = -1; ident.uuid_set=0; + ident.level = -10; + ident.raid_disks = -1; ident.super_minor= -1; ident.devices=0; @@ -124,19 +129,36 @@ int main(int argc, char *argv[]) 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 + * 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 >= MD_SB_DISKS+1) { - fprintf(stderr, Name ": too many devices at %s - current limit -s %d\n", - optarg, MD_SB_DISKS+1); + 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); } - devs[devs_found] = optarg; - devmodes[devs_found] = devmode; + 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; @@ -205,6 +227,7 @@ int main(int argc, char *argv[]) optarg); exit(2); } + ident.level = level; continue; case O('C','p'): /* raid5 layout */ @@ -246,6 +269,7 @@ int main(int argc, char *argv[]) optarg); exit(2); } + ident.raid_disks = raiddisks; continue; case O('C','x'): /* number of spare (eXtra) discs */ @@ -276,7 +300,7 @@ int main(int argc, char *argv[]) continue; case O('A','u'): /* uuid of array */ if (ident.uuid_set) { - fprintf(stderr, Name ": uuid cannot bet set twice. " + fprintf(stderr, Name ": uuid cannot be set twice. " "Second value %s.\n", optarg); exit(2); } @@ -288,6 +312,19 @@ int main(int argc, char *argv[]) } 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) { @@ -299,6 +336,7 @@ int main(int argc, char *argv[]) /* FIXME possibly check that config file exists. Even parse it */ continue; case O('A','s'): /* scan */ + case O('E','s'): scan = 1; continue; @@ -409,7 +447,7 @@ int main(int argc, char *argv[]) fprintf(stderr, Name ": an md device must be given in this mode\n"); exit(2); } - mdfd = open_mddev(devs[0]); + mdfd = open_mddev(devlist->devname); if (mdfd < 0) exit(1); } @@ -420,36 +458,36 @@ int main(int argc, char *argv[]) case '@':/* Management */ /* readonly, add/remove, readwrite, runstop */ if (readonly>0) - rv = Manage_ro(devs[0], mdfd, readonly); + rv = Manage_ro(devlist->devname, mdfd, readonly); if (!rv && devs_found>1) - rv = Manage_subdevs(devs[0], mdfd, - devs_found-1, devs+1, devmodes+1); + rv = Manage_subdevs(devlist->devname, mdfd, + devlist->next); if (!rv && readonly < 0) - rv = Manage_ro(devs[0], mdfd, readonly); + rv = Manage_ro(devlist->devname, mdfd, readonly); if (!rv && runstop) - rv = Manage_runstop(devs[0], mdfd, runstop); + rv = Manage_runstop(devlist->devname, mdfd, runstop); break; case 'A': /* Assemble */ if (!scan) - rv = Assemble(devs[0], mdfd, &ident, configfile, - devs_found-1, devs+1, + rv = Assemble(devlist->devname, mdfd, &ident, configfile, + devlist->next, 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]); + 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", - devs[i]); + dv->devname); rv |= 1; continue; } - rv |= Assemble(devs[i], mdfd, array_ident, configfile, - 0, NULL, + rv |= Assemble(dv->devname, mdfd, array_ident, configfile, + NULL, readonly, runstop, verbose, force); } else { @@ -459,36 +497,43 @@ int main(int argc, char *argv[]) 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, - 0, NULL, + NULL, readonly, runstop, verbose, force); } } break; case 'B': /* Build */ - rv = Build(devs[0], mdfd, chunk, level, raiddisks, devs_found-1,devs+1); + rv = Build(devlist->devname, mdfd, chunk, level, raiddisks, devlist->next); break; case 'C': /* Create */ - rv = Create(devs[0], mdfd, chunk, level, layout, size, + rv = Create(devlist->devname, mdfd, chunk, level, layout, size, raiddisks, sparedisks, - devs_found-1,devs+1, runstop, verbose, force); + devs_found-1, devlist->next, runstop, verbose, force); break; case 'D': /* Detail */ - for (i=0; i<devs_found; i++) - rv |= Detail(devs[i]); + for (dv=devlist ; dv; dv=dv->next) + rv |= Detail(dv->devname, brief); break; case 'E': /* Examine */ - for (i=0; i<devs_found; i++) - rv |= Examine(devs[i]); + 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(devs_found, devs, mailaddr, program, + rv= Monitor(devlist, mailaddr, program, delay?delay:60, configfile); } exit(rv); |