| /* |
| * mdadm - manage Linux "md" devices aka RAID arrays. |
| * |
| * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de> |
| * |
| * |
| * 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@suse.de> |
| */ |
| |
| #include "mdadm.h" |
| #include "md_p.h" |
| #include "md_u.h" |
| #include <ctype.h> |
| #include <dirent.h> |
| |
| static int cmpstringp(const void *p1, const void *p2) |
| { |
| return strcmp(* (char * const *) p1, * (char * const *) p2); |
| } |
| |
| static int add_device(const char *dev, char ***p_devices, |
| int *p_max_devices, int n_devices) |
| { |
| if (n_devices + 1 >= *p_max_devices) { |
| *p_max_devices += 16; |
| *p_devices = xrealloc(*p_devices, *p_max_devices * |
| sizeof(**p_devices)); |
| if (!*p_devices) { |
| *p_max_devices = 0; |
| return 0; |
| } |
| }; |
| (*p_devices)[n_devices] = xstrdup(dev); |
| return n_devices + 1; |
| } |
| |
| int Detail(char *dev, struct context *c) |
| { |
| /* |
| * Print out details for an md array |
| */ |
| int fd = open(dev, O_RDONLY); |
| mdu_array_info_t array; |
| mdu_disk_info_t *disks = NULL; |
| int next; |
| int d; |
| time_t atime; |
| char *str; |
| char **devices = NULL; |
| int max_devices = 0, n_devices = 0; |
| int spares = 0; |
| struct stat stb; |
| int failed = 0; |
| struct supertype *st; |
| char *subarray = NULL; |
| int max_disks = MD_SB_DISKS; /* just a default */ |
| struct mdinfo *info = NULL; |
| struct mdinfo *sra; |
| struct mdinfo *subdev; |
| char *member = NULL; |
| char *container = NULL; |
| |
| int rv = c->test ? 4 : 1; |
| int avail_disks = 0; |
| char *avail = NULL; |
| int external; |
| int inactive; |
| int is_container = 0; |
| char *arrayst; |
| |
| if (fd < 0) { |
| pr_err("cannot open %s: %s\n", |
| dev, strerror(errno)); |
| return rv; |
| } |
| sra = sysfs_read(fd, NULL, GET_VERSION | GET_DEVS | |
| GET_ARRAY_STATE | GET_STATE); |
| if (!sra) { |
| if (md_get_array_info(fd, &array)) { |
| pr_err("%s does not appear to be an md device\n", dev); |
| close(fd); |
| return rv; |
| } |
| } |
| external = (sra != NULL && sra->array.major_version == -1 && |
| sra->array.minor_version == -2); |
| inactive = (sra != NULL && !md_array_is_active(sra)); |
| st = super_by_fd(fd, &subarray); |
| if (md_get_array_info(fd, &array)) { |
| if (errno == ENODEV) { |
| if (sra->array.major_version == -1 && |
| sra->array.minor_version == -1 && |
| sra->devs == NULL) { |
| pr_err("Array associated with md device %s does not exist.\n", |
| dev); |
| close(fd); |
| sysfs_free(sra); |
| return rv; |
| } |
| array = sra->array; |
| } else { |
| pr_err("cannot get array detail for %s: %s\n", |
| dev, strerror(errno)); |
| close(fd); |
| return rv; |
| } |
| } |
| |
| if (array.raid_disks == 0 && external) |
| is_container = 1; |
| if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode)) |
| stb.st_rdev = 0; |
| rv = 0; |
| |
| if (st) |
| max_disks = st->max_devs; |
| |
| if (subarray) { |
| /* This is a subarray of some container. |
| * We want the name of the container, and the member |
| */ |
| dev_t devid = devnm2devid(st->container_devnm); |
| int cfd, err; |
| |
| member = subarray; |
| container = map_dev_preferred(major(devid), minor(devid), |
| 1, c->prefer); |
| cfd = open_dev(st->container_devnm); |
| if (cfd >= 0) { |
| err = st->ss->load_container(st, cfd, NULL); |
| close(cfd); |
| if (err == 0) |
| info = st->ss->container_content(st, subarray); |
| } |
| } |
| |
| /* try to load a superblock. Try sra->devs first, then try ioctl */ |
| if (st && !info) |
| for (d = 0, subdev = sra ? sra->devs : NULL; |
| d < max_disks || subdev; |
| subdev ? (void)(subdev = subdev->next) : (void)(d++)){ |
| mdu_disk_info_t disk; |
| char *dv; |
| int fd2; |
| int err; |
| |
| if (subdev) |
| disk = subdev->disk; |
| else { |
| disk.number = d; |
| if (md_get_disk_info(fd, &disk) < 0) |
| continue; |
| if (d >= array.raid_disks && |
| disk.major == 0 && disk.minor == 0) |
| continue; |
| } |
| |
| if (array.raid_disks > 0 && |
| (disk.state & (1 << MD_DISK_ACTIVE)) == 0) |
| continue; |
| |
| dv = map_dev(disk.major, disk.minor, 1); |
| if (!dv) |
| continue; |
| |
| fd2 = dev_open(dv, O_RDONLY); |
| if (fd2 < 0) |
| continue; |
| |
| if (st->sb) |
| st->ss->free_super(st); |
| |
| err = st->ss->load_super(st, fd2, NULL); |
| close(fd2); |
| if (err) |
| continue; |
| if (info) |
| free(info); |
| if (subarray) |
| info = st->ss->container_content(st, subarray); |
| else { |
| info = xmalloc(sizeof(*info)); |
| st->ss->getinfo_super(st, info, NULL); |
| } |
| if (!info) |
| continue; |
| |
| if (array.raid_disks != 0 && /* container */ |
| (info->array.ctime != array.ctime || |
| info->array.level != array.level)) { |
| st->ss->free_super(st); |
| continue; |
| } |
| /* some formats (imsm) have free-floating-spares |
| * with a uuid of uuid_zero, they don't |
| * have very good info about the rest of the |
| * container, so keep searching when |
| * encountering such a device. Otherwise, stop |
| * after the first successful call to |
| * ->load_super. |
| */ |
| if (memcmp(uuid_zero, |
| info->uuid, |
| sizeof(uuid_zero)) == 0) { |
| st->ss->free_super(st); |
| continue; |
| } |
| break; |
| } |
| |
| /* Ok, we have some info to print... */ |
| if (inactive && info) |
| str = map_num(pers, info->array.level); |
| else |
| str = map_num(pers, array.level); |
| |
| if (c->export) { |
| if (array.raid_disks) { |
| if (str) |
| printf("MD_LEVEL=%s\n", str); |
| printf("MD_DEVICES=%d\n", array.raid_disks); |
| } else { |
| if (is_container) |
| printf("MD_LEVEL=container\n"); |
| printf("MD_DEVICES=%d\n", array.nr_disks); |
| } |
| if (container) { |
| printf("MD_CONTAINER=%s\n", container); |
| printf("MD_MEMBER=%s\n", member); |
| } else { |
| if (sra && sra->array.major_version < 0) |
| printf("MD_METADATA=%s\n", sra->text_version); |
| else |
| printf("MD_METADATA=%d.%d\n", |
| array.major_version, |
| array.minor_version); |
| } |
| |
| if (st && st->sb && info) { |
| char nbuf[64]; |
| struct map_ent *mp, *map = NULL; |
| |
| fname_from_uuid(st, info, nbuf, ':'); |
| printf("MD_UUID=%s\n", nbuf + 5); |
| mp = map_by_uuid(&map, info->uuid); |
| if (mp && mp->path && |
| strncmp(mp->path, "/dev/md/", 8) == 0) { |
| printf("MD_DEVNAME="); |
| print_escape(mp->path + 8); |
| putchar('\n'); |
| } |
| |
| if (st->ss->export_detail_super) |
| st->ss->export_detail_super(st); |
| map_free(map); |
| } else { |
| struct map_ent *mp, *map = NULL; |
| char nbuf[64]; |
| mp = map_by_devnm(&map, fd2devnm(fd)); |
| if (mp) { |
| __fname_from_uuid(mp->uuid, 0, nbuf, ':'); |
| printf("MD_UUID=%s\n", nbuf+5); |
| } |
| if (mp && mp->path && |
| strncmp(mp->path, "/dev/md/", 8) == 0) { |
| printf("MD_DEVNAME="); |
| print_escape(mp->path+8); |
| putchar('\n'); |
| } |
| map_free(map); |
| } |
| if (!c->no_devices && sra) { |
| struct mdinfo *mdi; |
| for (mdi = sra->devs; mdi; mdi = mdi->next) { |
| char *path; |
| char *sysdev = xstrdup(mdi->sys_name); |
| char *cp; |
| |
| path = map_dev(mdi->disk.major, |
| mdi->disk.minor, 0); |
| for (cp = sysdev; *cp; cp++) |
| if (!isalnum(*cp)) |
| *cp = '_'; |
| |
| if (mdi->disk.raid_disk >= 0) |
| printf("MD_DEVICE_%s_ROLE=%d\n", |
| sysdev, |
| mdi->disk.raid_disk); |
| else |
| printf("MD_DEVICE_%s_ROLE=spare\n", |
| sysdev); |
| if (path) |
| printf("MD_DEVICE_%s_DEV=%s\n", |
| sysdev, path); |
| } |
| } |
| goto out; |
| } |
| |
| disks = xmalloc(max_disks * 2 * sizeof(mdu_disk_info_t)); |
| for (d = 0; d < max_disks * 2; d++) { |
| disks[d].state = (1 << MD_DISK_REMOVED); |
| disks[d].major = disks[d].minor = 0; |
| disks[d].number = -1; |
| disks[d].raid_disk = d / 2; |
| } |
| |
| next = array.raid_disks * 2; |
| if (inactive) { |
| struct mdinfo *mdi; |
| for (mdi = sra->devs; mdi; mdi = mdi->next) { |
| disks[next++] = mdi->disk; |
| disks[next - 1].number = -1; |
| } |
| } else for (d = 0; d < max_disks; d++) { |
| mdu_disk_info_t disk; |
| disk.number = d; |
| if (md_get_disk_info(fd, &disk) < 0) { |
| if (d < array.raid_disks) |
| pr_err("cannot get device detail for device %d: %s\n", |
| d, strerror(errno)); |
| continue; |
| } |
| if (disk.major == 0 && disk.minor == 0) |
| continue; |
| if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks && |
| disks[disk.raid_disk * 2].state == (1 << MD_DISK_REMOVED) && |
| ((disk.state & (1 << MD_DISK_JOURNAL)) == 0)) |
| disks[disk.raid_disk * 2] = disk; |
| else if (disk.raid_disk >= 0 && |
| disk.raid_disk < array.raid_disks && |
| disks[disk.raid_disk * 2 + 1].state == |
| (1 << MD_DISK_REMOVED) && |
| !(disk.state & (1 << MD_DISK_JOURNAL))) |
| disks[disk.raid_disk * 2 + 1] = disk; |
| else if (next < max_disks * 2) |
| disks[next++] = disk; |
| } |
| |
| avail = xcalloc(array.raid_disks, 1); |
| |
| for (d = 0; d < array.raid_disks; d++) { |
| char *dv, *dv_rep; |
| dv = map_dev_preferred(disks[d*2].major, |
| disks[d*2].minor, 0, c->prefer); |
| dv_rep = map_dev_preferred(disks[d*2+1].major, |
| disks[d*2+1].minor, 0, c->prefer); |
| |
| if ((dv && (disks[d*2].state & (1<<MD_DISK_SYNC))) || |
| (dv_rep && (disks[d*2+1].state & (1<<MD_DISK_SYNC)))) { |
| avail_disks ++; |
| avail[d] = 1; |
| } else |
| rv |= !! c->test; |
| } |
| |
| if (c->brief) { |
| mdu_bitmap_file_t bmf; |
| if (inactive && !is_container) |
| printf("INACTIVE-ARRAY %s", dev); |
| else |
| printf("ARRAY %s", dev); |
| if (c->verbose > 0) { |
| if (array.raid_disks) |
| printf(" level=%s num-devices=%d", |
| str ? str : "-unknown-", |
| array.raid_disks); |
| else if (is_container) |
| printf(" level=container num-devices=%d", |
| array.nr_disks); |
| else |
| printf(" num-devices=%d", array.nr_disks); |
| } |
| if (container) { |
| printf(" container=%s", container); |
| printf(" member=%s", member); |
| } else { |
| if (sra && sra->array.major_version < 0) |
| printf(" metadata=%s", sra->text_version); |
| else |
| printf(" metadata=%d.%d", array.major_version, |
| array.minor_version); |
| } |
| |
| /* Only try GET_BITMAP_FILE for 0.90.01 and later */ |
| if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) { |
| printf(" bitmap=%s", bmf.pathname); |
| } |
| } else { |
| mdu_bitmap_file_t bmf; |
| unsigned long long larray_size; |
| struct mdstat_ent *ms = mdstat_read(0, 0); |
| struct mdstat_ent *e; |
| char *devnm; |
| |
| devnm = stat2devnm(&stb); |
| for (e = ms; e; e = e->next) |
| if (strcmp(e->devnm, devnm) == 0) |
| break; |
| if (!get_dev_size(fd, NULL, &larray_size)) |
| larray_size = 0; |
| |
| printf("%s:\n", dev); |
| |
| if (container) |
| printf(" Container : %s, member %s\n", |
| container, member); |
| else { |
| if (sra && sra->array.major_version < 0) |
| printf(" Version : %s\n", |
| sra->text_version); |
| else |
| printf(" Version : %d.%d\n", |
| array.major_version, |
| array.minor_version); |
| } |
| |
| atime = array.ctime; |
| if (atime) |
| printf(" Creation Time : %.24s\n", ctime(&atime)); |
| if (is_container) |
| str = "container"; |
| if (str) |
| printf(" Raid Level : %s\n", str); |
| if (larray_size) |
| printf(" Array Size : %llu%s\n", |
| (larray_size >> 10), |
| human_size(larray_size)); |
| if (array.level >= 1) { |
| if (sra) |
| array.major_version = sra->array.major_version; |
| if (array.major_version != 0 && |
| (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) { |
| unsigned long long dsize; |
| |
| dsize = get_component_size(fd); |
| if (dsize > 0) |
| printf(" Used Dev Size : %llu%s\n", |
| dsize/2, |
| human_size((long long)dsize<<9)); |
| else |
| printf(" Used Dev Size : unknown\n"); |
| } else |
| printf(" Used Dev Size : %lu%s\n", |
| (unsigned long)array.size, |
| human_size((unsigned long long) |
| array.size << 10)); |
| } |
| if (array.raid_disks) |
| printf(" Raid Devices : %d\n", array.raid_disks); |
| printf(" Total Devices : %d\n", array.nr_disks); |
| if (!container && |
| ((sra == NULL && array.major_version == 0) || |
| (sra && sra->array.major_version == 0))) |
| printf(" Preferred Minor : %d\n", array.md_minor); |
| if (sra == NULL || sra->array.major_version >= 0) |
| printf(" Persistence : Superblock is %spersistent\n", |
| array.not_persistent ? "not " : ""); |
| printf("\n"); |
| /* Only try GET_BITMAP_FILE for 0.90.01 and later */ |
| if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) { |
| printf(" Intent Bitmap : %s\n", bmf.pathname); |
| printf("\n"); |
| } else if (array.state & (1<<MD_SB_CLUSTERED)) |
| printf(" Intent Bitmap : Internal(Clustered)\n\n"); |
| else if (array.state & (1<<MD_SB_BITMAP_PRESENT)) |
| printf(" Intent Bitmap : Internal\n\n"); |
| atime = array.utime; |
| if (atime) |
| printf(" Update Time : %.24s\n", ctime(&atime)); |
| if (array.raid_disks) { |
| static char *sync_action[] = { |
| ", recovering", ", resyncing", |
| ", reshaping", ", checking" }; |
| char *st; |
| if (avail_disks == array.raid_disks) |
| st = ""; |
| else if (!enough(array.level, array.raid_disks, |
| array.layout, 1, avail)) |
| st = ", FAILED"; |
| else |
| st = ", degraded"; |
| |
| if (array.state & (1 << MD_SB_CLEAN)) { |
| if ((array.level == 0) || |
| (array.level == LEVEL_LINEAR)) |
| arrayst = map_num(sysfs_array_states, |
| sra->array_state); |
| else |
| arrayst = "clean"; |
| } else { |
| arrayst = "active"; |
| if (array.state & (1<<MD_SB_CLUSTERED)) { |
| for (d = 0; d < max_disks * 2; d++) { |
| char *dv; |
| mdu_disk_info_t disk = disks[d]; |
| |
| /* only check first valid disk in cluster env */ |
| if ((disk.state & (MD_DISK_SYNC | MD_DISK_ACTIVE)) |
| && (disk.major | disk.minor)) { |
| dv = map_dev_preferred(disk.major, disk.minor, 0, |
| c->prefer); |
| if (!dv) |
| continue; |
| arrayst = IsBitmapDirty(dv) ? "active" : "clean"; |
| break; |
| } |
| } |
| } |
| } |
| |
| printf(" State : %s%s%s%s%s%s%s \n", |
| arrayst, st, |
| (!e || (e->percent < 0 && |
| e->percent != RESYNC_PENDING && |
| e->percent != RESYNC_DELAYED && |
| e->percent != RESYNC_REMOTE)) ? |
| "" : sync_action[e->resync], |
| larray_size ? "": ", Not Started", |
| (e && e->percent == RESYNC_DELAYED) ? |
| " (DELAYED)": "", |
| (e && e->percent == RESYNC_PENDING) ? |
| " (PENDING)": "", |
| (e && e->percent == RESYNC_REMOTE) ? |
| " (REMOTE)": ""); |
| } else if (inactive && !is_container) { |
| printf(" State : inactive\n"); |
| } |
| if (array.raid_disks) |
| printf(" Active Devices : %d\n", array.active_disks); |
| if (array.working_disks > 0) |
| printf(" Working Devices : %d\n", |
| array.working_disks); |
| if (array.raid_disks) { |
| printf(" Failed Devices : %d\n", array.failed_disks); |
| printf(" Spare Devices : %d\n", array.spare_disks); |
| } |
| printf("\n"); |
| if (array.level == 5) { |
| str = map_num(r5layout, array.layout); |
| printf(" Layout : %s\n", |
| str ? str : "-unknown-"); |
| } |
| if (array.level == 0 && array.layout) { |
| str = map_num(r0layout, array.layout); |
| printf(" Layout : %s\n", |
| str ? str : "-unknown-"); |
| } |
| if (array.level == 6) { |
| str = map_num(r6layout, array.layout); |
| printf(" Layout : %s\n", |
| str ? str : "-unknown-"); |
| } |
| if (array.level == 10) { |
| printf(" Layout :"); |
| print_r10_layout(array.layout); |
| printf("\n"); |
| } |
| switch (array.level) { |
| case 0: |
| case 4: |
| case 5: |
| case 10: |
| case 6: |
| if (array.chunk_size) |
| printf(" Chunk Size : %dK\n\n", |
| array.chunk_size/1024); |
| break; |
| case -1: |
| printf(" Rounding : %dK\n\n", |
| array.chunk_size/1024); |
| break; |
| default: |
| break; |
| } |
| |
| if (array.raid_disks) { |
| struct mdinfo *mdi; |
| |
| mdi = sysfs_read(fd, NULL, GET_CONSISTENCY_POLICY); |
| if (mdi) { |
| char *policy = map_num(consistency_policies, |
| mdi->consistency_policy); |
| sysfs_free(mdi); |
| if (policy) |
| printf("Consistency Policy : %s\n\n", |
| policy); |
| } |
| } |
| |
| if (e && e->percent >= 0) { |
| static char *sync_action[] = { |
| "Rebuild", "Resync", "Reshape", "Check"}; |
| printf(" %7s Status : %d%% complete\n", |
| sync_action[e->resync], e->percent); |
| } |
| |
| if ((st && st->sb) && (info && info->reshape_active)) { |
| #if 0 |
| This is pretty boring |
| printf(" Reshape pos'n : %llu%s\n", |
| (unsigned long long) info->reshape_progress << 9, |
| human_size((unsigned long long) |
| info->reshape_progress << 9)); |
| #endif |
| if (info->delta_disks != 0) |
| printf(" Delta Devices : %d, (%d->%d)\n", |
| info->delta_disks, |
| array.raid_disks - info->delta_disks, |
| array.raid_disks); |
| if (info->new_level != array.level) { |
| str = map_num(pers, info->new_level); |
| printf(" New Level : %s\n", |
| str ? str : "-unknown-"); |
| } |
| if (info->new_level != array.level || |
| info->new_layout != array.layout) { |
| if (info->new_level == 5) { |
| str = map_num(r5layout, |
| info->new_layout); |
| printf(" New Layout : %s\n", |
| str ? str : "-unknown-"); |
| } |
| if (info->new_level == 6) { |
| str = map_num(r6layout, |
| info->new_layout); |
| printf(" New Layout : %s\n", |
| str ? str : "-unknown-"); |
| } |
| if (info->new_level == 10) { |
| printf(" New Layout : near=%d, %s=%d\n", |
| info->new_layout & 255, |
| (info->new_layout & 0x10000) ? |
| "offset" : "far", |
| (info->new_layout >> 8) & 255); |
| } |
| } |
| if (info->new_chunk != array.chunk_size) |
| printf(" New Chunksize : %dK\n", |
| info->new_chunk/1024); |
| printf("\n"); |
| } else if (e && e->percent >= 0) |
| printf("\n"); |
| free_mdstat(ms); |
| |
| if (st && st->sb) |
| st->ss->detail_super(st, c->homehost, subarray); |
| |
| if (array.raid_disks == 0 && sra && |
| sra->array.major_version == -1 && |
| sra->array.minor_version == -2 && |
| sra->text_version[0] != '/') { |
| /* This looks like a container. Find any active arrays |
| * That claim to be a member. |
| */ |
| DIR *dir = opendir("/sys/block"); |
| struct dirent *de; |
| |
| printf(" Member Arrays :"); |
| |
| while (dir && (de = readdir(dir)) != NULL) { |
| char path[287]; |
| char vbuf[1024]; |
| int nlen = strlen(sra->sys_name); |
| dev_t devid; |
| if (de->d_name[0] == '.') |
| continue; |
| sprintf(path, |
| "/sys/block/%s/md/metadata_version", |
| de->d_name); |
| if (load_sys(path, vbuf, sizeof(vbuf)) < 0) |
| continue; |
| if (strncmp(vbuf, "external:", 9) || |
| !is_subarray(vbuf + 9) || |
| strncmp(vbuf + 10, sra->sys_name, nlen) || |
| vbuf[10 + nlen] != '/') |
| continue; |
| devid = devnm2devid(de->d_name); |
| printf(" %s", |
| map_dev_preferred(major(devid), |
| minor(devid), 1, |
| c->prefer)); |
| } |
| if (dir) |
| closedir(dir); |
| printf("\n\n"); |
| } |
| |
| if (!c->no_devices) { |
| if (array.raid_disks) |
| printf(" Number Major Minor RaidDevice State\n"); |
| else |
| printf(" Number Major Minor RaidDevice\n"); |
| } |
| } |
| |
| /* if --no_devices specified, not print component devices info */ |
| if (c->no_devices) |
| goto skip_devices_state; |
| |
| for (d = 0; d < max_disks * 2; d++) { |
| char *dv; |
| mdu_disk_info_t disk = disks[d]; |
| |
| if (d >= array.raid_disks * 2 && |
| disk.major == 0 && disk.minor == 0) |
| continue; |
| if ((d & 1) && disk.major == 0 && disk.minor == 0) |
| continue; |
| if (!c->brief) { |
| if (d == array.raid_disks*2) |
| printf("\n"); |
| if (disk.number < 0 && disk.raid_disk < 0) |
| printf(" - %5d %5d - ", |
| disk.major, disk.minor); |
| else if (disk.raid_disk < 0 || |
| disk.state & (1 << MD_DISK_JOURNAL)) |
| printf(" %5d %5d %5d - ", |
| disk.number, disk.major, disk.minor); |
| else if (disk.number < 0) |
| printf(" - %5d %5d %5d ", |
| disk.major, disk.minor, disk.raid_disk); |
| else |
| printf(" %5d %5d %5d %5d ", |
| disk.number, disk.major, disk.minor, |
| disk.raid_disk); |
| } |
| if (!c->brief && array.raid_disks) { |
| if (disk.state & (1 << MD_DISK_FAULTY)) { |
| printf(" faulty"); |
| if (disk.raid_disk < array.raid_disks && |
| disk.raid_disk >= 0) |
| failed++; |
| } |
| if (disk.state & (1 << MD_DISK_ACTIVE)) |
| printf(" active"); |
| if (disk.state & (1 << MD_DISK_SYNC)) { |
| printf(" sync"); |
| if (array.level == 10 && |
| (array.layout & ~0x1FFFF) == 0) { |
| int nc = array.layout & 0xff; |
| int fc = (array.layout >> 8) & 0xff; |
| int copies = nc*fc; |
| if (fc == 1 && |
| array.raid_disks % copies == 0 && |
| copies <= 26) { |
| /* We can divide the devices |
| into 'sets' */ |
| int set; |
| set = disk.raid_disk % copies; |
| printf(" set-%c", set + 'A'); |
| } |
| } |
| } |
| if (disk.state & (1 << MD_DISK_REMOVED)) |
| printf(" removed"); |
| if (disk.state & (1 << MD_DISK_WRITEMOSTLY)) |
| printf(" writemostly"); |
| if (disk.state & (1 << MD_DISK_FAILFAST)) |
| printf(" failfast"); |
| if (disk.state & (1 << MD_DISK_JOURNAL)) |
| printf(" journal"); |
| if ((disk.state & |
| ((1 << MD_DISK_ACTIVE) | (1 << MD_DISK_SYNC) | |
| (1 << MD_DISK_REMOVED) | (1 << MD_DISK_FAULTY) | |
| (1 << MD_DISK_JOURNAL))) == 0) { |
| printf(" spare"); |
| if (disk.raid_disk < array.raid_disks && |
| disk.raid_disk >= 0) |
| printf(" rebuilding"); |
| } |
| } |
| if (disk.state == 0) |
| spares++; |
| dv = map_dev_preferred(disk.major, disk.minor, 0, c->prefer); |
| if (dv != NULL) { |
| if (c->brief) |
| n_devices = add_device(dv, &devices, |
| &max_devices, n_devices); |
| else |
| printf(" %s", dv); |
| } else if (disk.major | disk.minor) |
| printf(" missing"); |
| if (!c->brief) |
| printf("\n"); |
| } |
| |
| skip_devices_state: |
| if (spares && c->brief && array.raid_disks) |
| printf(" spares=%d", spares); |
| if (c->brief && st && st->sb) |
| st->ss->brief_detail_super(st, subarray); |
| if (st) |
| st->ss->free_super(st); |
| |
| if (c->brief && c->verbose > 0 && devices) { |
| qsort(devices, n_devices, sizeof(*devices), cmpstringp); |
| printf("\n devices=%s", devices[0]); |
| for (d = 1; d < n_devices; d++) |
| printf(",%s", devices[d]); |
| } |
| if (c->brief) |
| printf("\n"); |
| if (c->test && |
| !enough(array.level, array.raid_disks, array.layout, 1, avail)) |
| rv = 2; |
| |
| out: |
| free(info); |
| free(disks); |
| close(fd); |
| free(subarray); |
| free(avail); |
| for (d = 0; d < n_devices; d++) |
| free(devices[d]); |
| free(devices); |
| sysfs_free(sra); |
| return rv; |
| } |
| |
| int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path) |
| { |
| /* display platform capabilities for the given metadata format |
| * 'scan' in this context means iterate over all metadata types |
| */ |
| int i; |
| int err = 1; |
| |
| if (ss && export && ss->export_detail_platform) |
| err = ss->export_detail_platform(verbose, controller_path); |
| else if (ss && ss->detail_platform) |
| err = ss->detail_platform(verbose, 0, controller_path); |
| else if (ss) { |
| if (verbose > 0) |
| pr_err("%s metadata is platform independent\n", |
| ss->name ? : "[no name]"); |
| } else if (!scan) { |
| if (verbose > 0) |
| pr_err("specify a metadata type or --scan\n"); |
| } |
| |
| if (!scan) |
| return err; |
| |
| err = 0; |
| for (i = 0; superlist[i]; i++) { |
| struct superswitch *meta = superlist[i]; |
| |
| if (meta == ss) |
| continue; |
| if (verbose > 0) |
| pr_err("checking metadata %s\n", |
| meta->name ? : "[no name]"); |
| if (!meta->detail_platform) { |
| if (verbose > 0) |
| pr_err("%s metadata is platform independent\n", |
| meta->name ? : "[no name]"); |
| } else if (export && meta->export_detail_platform) { |
| err |= meta->export_detail_platform(verbose, controller_path); |
| } else |
| err |= meta->detail_platform(verbose, 0, controller_path); |
| } |
| |
| return err; |
| } |