/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
#include "mdadm.h"
#include "md_p.h"
#include "md_u.h"
+#include <ctype.h>
#include <dirent.h>
-int Detail(char *dev, int brief, int export, int test, char *homehost)
+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 by using
- * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
+ * Print out details for an md array
*/
-
int fd = open(dev, O_RDONLY);
- int vers;
mdu_array_info_t array;
mdu_disk_info_t *disks;
int next;
int d;
time_t atime;
- char *c;
- char *devices = NULL;
+ char *str;
+ char **devices = NULL;
+ int max_devices = 0, n_devices = 0;
int spares = 0;
struct stat stb;
- int is_26 = get_linux_version() >= 2006000;
- int is_rebuilding = 0;
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 = test ? 4 : 1;
+ int rv = c->test ? 4 : 1;
int avail_disks = 0;
- char *avail;
+ char *avail = NULL;
+ int external;
+ int inactive;
if (fd < 0) {
- fprintf(stderr, Name ": cannot open %s: %s\n",
+ pr_err("cannot open %s: %s\n",
dev, strerror(errno));
return rv;
}
- vers = md_get_version(fd);
- if (vers < 0) {
- fprintf(stderr, Name ": %s does not appear to be an md device\n",
- dev);
- close(fd);
- return rv;
- }
- if (vers < 9000) {
- fprintf(stderr, Name ": cannot get detail for md device %s: driver version too old.\n",
- dev);
- close(fd);
- return rv;
- }
- if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
- if (errno == ENODEV)
- fprintf(stderr, Name ": md device %s does not appear to be active.\n",
- dev);
- else
- fprintf(stderr, Name ": cannot get array detail for %s: %s\n",
- dev, strerror(errno));
- close(fd);
- return rv;
+ sra = sysfs_read(fd, NULL, GET_VERSION | GET_DEVS | GET_ARRAY_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;
+ }
}
- sra = sysfs_read(fd, 0, GET_VERSION);
+ external = (sra != NULL && sra->array.major_version == -1 &&
+ sra->array.minor_version == -2);
+ inactive = (sra->array_state == ARRAY_ACTIVE ||
+ sra->array_state == ARRAY_CLEAR);
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 (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
stb.st_rdev = 0;
/* This is a subarray of some container.
* We want the name of the container, and the member
*/
- int dn = st->container_dev;
+ dev_t devid = devnm2devid(st->container_devnm);
+ int cfd, err;
member = subarray;
- container = map_dev(dev2major(dn), dev2minor(dn), 1);
+ 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 */
- if (st) for (d = 0; d < max_disks; d++) {
+ /* 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;
- disk.number = d;
- if (ioctl(fd, GET_DISK_INFO, &disk) < 0)
- continue;
- if (d >= array.raid_disks &&
- disk.major == 0 &&
- disk.minor == 0)
- continue;
+
+ 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)
if (subarray)
info = st->ss->container_content(st, subarray);
else {
- info = malloc(sizeof(*info));
+ info = xmalloc(sizeof(*info));
st->ss->getinfo_super(st, info, NULL);
}
if (!info)
}
/* Ok, we have some info to print... */
- c = map_num(pers, array.level);
+ str = map_num(pers, array.level);
- if (export) {
+ if (c->export) {
if (array.raid_disks) {
- if (c)
- printf("MD_LEVEL=%s\n", c);
+ if (str)
+ printf("MD_LEVEL=%s\n", str);
printf("MD_DEVICES=%d\n", array.raid_disks);
} else {
- printf("MD_LEVEL=container\n");
+ if (!inactive)
+ printf("MD_LEVEL=container\n");
printf("MD_DEVICES=%d\n", array.nr_disks);
}
if (container) {
printf("MD_METADATA=%s\n", sra->text_version);
else
printf("MD_METADATA=%d.%d\n",
- array.major_version, array.minor_version);
+ 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);
+ 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=%s\n", mp->path+8);
+ 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);
} else {
struct map_ent *mp, *map = NULL;
char nbuf[64];
- mp = map_by_devnum(&map, fd2devnum(fd));
+ 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=%s\n", mp->path+8);
+ strncmp(mp->path, "/dev/md/", 8) == 0) {
+ printf("MD_DEVNAME=");
+ print_escape(mp->path+8);
+ putchar('\n');
+ }
+ }
+ if (sra) {
+ struct mdinfo *mdi;
+ for (mdi = sra->devs; mdi; mdi = mdi->next) {
+ char *path;
+ char *sysdev = xstrdup(mdi->sys_name + 1);
+ 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 = malloc(max_disks * sizeof(mdu_disk_info_t));
- for (d=0; d<max_disks; d++) {
- disks[d].state = (1<<MD_DISK_REMOVED);
+ 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 = disks[d].raid_disk = d;
+ disks[d].number = -1;
+ disks[d].raid_disk = d / 2;
}
- next = array.raid_disks;
- for (d=0; d < max_disks; d++) {
+ next = array.raid_disks * 2;
+ if (inactive) {
+ struct mdinfo *mdi;
+ if (sra != NULL)
+ 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 (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
+ if (md_get_disk_info(fd, &disk) < 0) {
if (d < array.raid_disks)
- fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
+ 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] = disk;
- else if (next < max_disks)
+ 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 = calloc(array.raid_disks, 1);
+ avail = xcalloc(array.raid_disks, 1);
- for (d= 0; d < array.raid_disks; d++) {
- mdu_disk_info_t disk = disks[d];
+ for (d = 0; d < array.raid_disks; d++) {
- if ((disk.state & (1<<MD_DISK_SYNC))) {
+ if ((disks[d*2].state & (1<<MD_DISK_SYNC)) ||
+ (disks[d*2+1].state & (1<<MD_DISK_SYNC))) {
avail_disks ++;
avail[d] = 1;
- }
+ } else
+ rv |= !! c->test;
}
- if (brief) {
+ if (c->brief) {
mdu_bitmap_file_t bmf;
- printf("ARRAY %s", dev);
- if (brief > 1) {
+ printf("%sARRAY %s", inactive ? "INACTIVE-":"", dev);
+ if (c->verbose > 0) {
if (array.raid_disks)
printf(" level=%s num-devices=%d",
- c?c:"-unknown-",
- array.raid_disks );
- else
+ str ? str : "-unknown-",
+ array.raid_disks);
+ else if (!inactive)
printf(" level=container num-devices=%d",
array.nr_disks);
+ else
+ printf(" num-devices=%d", array.nr_disks);
}
if (container) {
printf(" container=%s", container);
if (sra && sra->array.major_version < 0)
printf(" metadata=%s", sra->text_version);
else
- printf(" metadata=%d.%d",
- array.major_version, array.minor_version);
+ printf(" metadata=%d.%d", array.major_version,
+ array.minor_version);
}
/* Only try GET_BITMAP_FILE for 0.90.01 and later */
- if (vers >= 9001 &&
- ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
- bmf.pathname[0]) {
+ if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) {
printf(" bitmap=%s", bmf.pathname);
}
} else {
unsigned long long larray_size;
struct mdstat_ent *ms = mdstat_read(0, 0);
struct mdstat_ent *e;
- int devnum = array.md_minor;
- if (major(stb.st_rdev) == (unsigned)get_mdp_major())
- devnum = -1 - devnum;
+ char *devnm;
- for (e=ms; e; e=e->next)
- if (e->devnum == devnum)
+ 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);
+ 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);
+ 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 (array.raid_disks == 0) c = "container";
- printf(" Raid Level : %s\n", c?c:"-unknown-");
+ printf(" Creation Time : %.24s\n", ctime(&atime));
+ if (array.raid_disks == 0 && external)
+ 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));
+ 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 = get_component_size(fd);
+ unsigned long long dsize;
+
+ dsize = get_component_size(fd);
if (dsize > 0)
- printf(" Used Dev Size : %llu%s\n",
+ printf(" Used Dev Size : %llu%s\n",
dsize/2,
human_size((long long)dsize<<9));
else
- printf(" Used Dev Size : unknown\n");
+ printf(" Used Dev Size : unknown\n");
} else
- printf(" Used Dev Size : %d%s\n", array.size,
- human_size((long long)array.size<<10));
+ 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 &&
+ 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);
+ 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(" Persistence : Superblock is %spersistent\n",
+ array.not_persistent ? "not " : "");
printf("\n");
/* Only try GET_BITMAP_FILE for 0.90.01 and later */
- if (vers >= 9001 &&
- ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
- bmf.pathname[0]) {
- printf(" Intent Bitmap : %s\n", bmf.pathname);
+ 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_BITMAP_PRESENT))
- printf(" Intent Bitmap : Internal\n\n");
+ printf(" Intent Bitmap : Internal\n\n");
atime = array.utime;
if (atime)
- printf(" Update Time : %.24s\n", ctime(&atime));
+ printf(" Update Time : %.24s\n", ctime(&atime));
if (array.raid_disks) {
- static char *sync_action[] = {", recovering",", resyncing",", reshaping",", checking"};
+ 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, avail_disks))
+ array.layout, 1, avail))
st = ", FAILED";
else
st = ", degraded";
- printf(" State : %s%s%s%s%s%s \n",
- (array.state&(1<<MD_SB_CLEAN))?"clean":"active", st,
- (!e || (e->percent < 0 && e->percent != PROCESS_PENDING &&
- e->percent != PROCESS_DELAYED)) ? "" : sync_action[e->resync],
+ printf(" State : %s%s%s%s%s%s \n",
+ (array.state & (1 << MD_SB_CLEAN)) ?
+ "clean" : "active", st,
+ (!e || (e->percent < 0 &&
+ e->percent != RESYNC_PENDING &&
+ e->percent != RESYNC_DELAYED)) ?
+ "" : sync_action[e->resync],
larray_size ? "": ", Not Started",
- e->percent == PROCESS_DELAYED ? " (DELAYED)": "",
- e->percent == PROCESS_PENDING ? " (PENDING)": "");
+ (e && e->percent == RESYNC_DELAYED) ?
+ " (DELAYED)": "",
+ (e && e->percent == RESYNC_PENDING) ?
+ " (PENDING)": "");
+ } else if (inactive) {
+ printf(" State : inactive\n");
}
if (array.raid_disks)
- printf(" Active Devices : %d\n", array.active_disks);
- printf("Working Devices : %d\n", array.working_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(" Failed Devices : %d\n", array.failed_disks);
+ printf(" Spare Devices : %d\n", array.spare_disks);
}
printf("\n");
if (array.level == 5) {
- c = map_num(r5layout, array.layout);
- printf(" Layout : %s\n", c?c:"-unknown-");
+ str = map_num(r5layout, array.layout);
+ printf(" Layout : %s\n",
+ str ? str : "-unknown-");
}
if (array.level == 6) {
- c = map_num(r6layout, array.layout);
- printf(" Layout : %s\n", c?c:"-unknown-");
+ str = map_num(r6layout, array.layout);
+ printf(" Layout : %s\n",
+ str ? str : "-unknown-");
}
if (array.level == 10) {
- printf(" Layout :");
+ printf(" Layout :");
print_r10_layout(array.layout);
printf("\n");
}
case 10:
case 6:
if (array.chunk_size)
- printf(" Chunk Size : %dK\n\n",
+ printf(" Chunk Size : %dK\n\n",
array.chunk_size/1024);
break;
case -1:
- printf(" Rounding : %dK\n\n", array.chunk_size/1024);
+ printf(" Rounding : %dK\n\n",
+ array.chunk_size/1024);
break;
- default: 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);
- is_rebuilding = 1;
+ static char *sync_action[] = {
+ "Rebuild", "Resync", "Reshape", "Check"};
+ printf(" %7s Status : %d%% complete\n",
+ sync_action[e->resync], e->percent);
}
free_mdstat(ms);
- if (st->sb && info->reshape_active) {
+ 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));
+ 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);
+ 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) {
- char *c = map_num(pers, info->new_level);
- printf(" New Level : %s\n", c?c:"-unknown-");
+ 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) {
- char *c = map_num(r5layout, info->new_layout);
- printf(" New Layout : %s\n",
- c?c:"-unknown-");
+ str = map_num(r5layout,
+ info->new_layout);
+ printf(" New Layout : %s\n",
+ str ? str : "-unknown-");
}
if (info->new_level == 6) {
- char *c = map_num(r6layout, info->new_layout);
- printf(" New Layout : %s\n",
- c?c:"-unknown-");
+ 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);
+ 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(" New Chunksize : %dK\n",
+ info->new_chunk/1024);
printf("\n");
} else if (e && e->percent >= 0)
printf("\n");
if (st && st->sb)
- st->ss->detail_super(st, homehost);
+ st->ss->detail_super(st, c->homehost);
- if (array.raid_disks == 0 && sra && sra->array.major_version == -1
- && sra->array.minor_version == -2 && sra->text_version[0] != '/') {
+ 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 :");
+ printf(" Member Arrays :");
while (dir && (de = readdir(dir)) != NULL) {
- char path[200];
+ char path[287];
char vbuf[1024];
int nlen = strlen(sra->sys_name);
- int dn;
+ dev_t devid;
if (de->d_name[0] == '.')
continue;
- sprintf(path, "/sys/block/%s/md/metadata_version",
+ sprintf(path,
+ "/sys/block/%s/md/metadata_version",
de->d_name);
- if (load_sys(path, vbuf) < 0)
+ if (load_sys(path, vbuf, sizeof(vbuf)) < 0)
continue;
- if (strncmp(vbuf, "external:", 9) != 0 ||
- !is_subarray(vbuf+9) ||
- strncmp(vbuf+10, sra->sys_name, nlen) != 0 ||
- vbuf[10+nlen] != '/')
+ if (strncmp(vbuf, "external:", 9) ||
+ !is_subarray(vbuf + 9) ||
+ strncmp(vbuf + 10, sra->sys_name, nlen) ||
+ vbuf[10 + nlen] != '/')
continue;
- dn = devname2devnum(de->d_name);
- printf(" %s", map_dev(dev2major(dn),
- dev2minor(dn), 1));
+ devid = devnm2devid(de->d_name);
+ printf(" %s",
+ map_dev_preferred(major(devid),
+ minor(devid), 1,
+ c->prefer));
}
if (dir)
closedir(dir);
}
free(info);
- for (d= 0; d < max_disks; d++) {
+ for (d = 0; d < max_disks * 2; d++) {
char *dv;
mdu_disk_info_t disk = disks[d];
- if (d >= array.raid_disks &&
- disk.major == 0 &&
- disk.minor == 0)
+ if (d >= array.raid_disks * 2 &&
+ disk.major == 0 && disk.minor == 0)
continue;
- if (!brief) {
- if (d == array.raid_disks) printf("\n");
- if (disk.raid_disk < 0)
+ 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);
+ disk.number, disk.major, disk.minor,
+ disk.raid_disk);
}
- if (!brief && array.raid_disks) {
-
- if (disk.state & (1<<MD_DISK_FAULTY)) {
+ 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 (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
- if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
+ 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)))
- == 0) {
+ ((1 << MD_DISK_ACTIVE) | (1 << MD_DISK_SYNC) |
+ (1 << MD_DISK_REMOVED) | (1 << MD_DISK_FAULTY) |
+ (1 << MD_DISK_JOURNAL))) == 0) {
printf(" spare");
- if (is_26) {
- if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0)
- printf(" rebuilding");
- } else if (is_rebuilding && failed) {
- /* Taking a bit of a risk here, we remove the
- * device from the array, and then put it back.
- * If this fails, we are rebuilding
- */
- int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor));
- if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor));
- if (err && errno == EBUSY)
- printf(" rebuilding");
- }
+ if (disk.raid_disk < array.raid_disks &&
+ disk.raid_disk >= 0)
+ printf(" rebuilding");
}
}
- if (disk.state == 0) spares++;
- if (test && d < array.raid_disks
- && !(disk.state & (1<<MD_DISK_SYNC)))
- rv |= 1;
- if ((dv=map_dev(disk.major, disk.minor, 0))) {
- if (brief) {
- if (devices) {
- devices = realloc(devices,
- strlen(devices)+1+strlen(dv)+1);
- strcat(strcat(devices,","),dv);
- } else
- devices = strdup(dv);
- } else
+ 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);
}
- if (!brief) printf("\n");
+ if (!c->brief)
+ printf("\n");
}
- if (spares && brief && array.raid_disks) printf(" spares=%d", spares);
- if (brief && st && st->sb)
+ if (spares && c->brief && array.raid_disks)
+ printf(" spares=%d", spares);
+ if (c->brief && st && st->sb)
st->ss->brief_detail_super(st);
- st->ss->free_super(st);
+ if (st)
+ st->ss->free_super(st);
- if (brief > 1 && devices) printf("\n devices=%s", devices);
- if (brief) printf("\n");
- if (test &&
- !enough(array.level, array.raid_disks, array.layout,
- 1, avail, avail_disks))
+ 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;
free(disks);
out:
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 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 && ss->detail_platform)
- err = ss->detail_platform(verbose, 0);
+ 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)
- fprintf(stderr, Name ": %s metadata is platform independent\n",
+ if (verbose > 0)
+ pr_err("%s metadata is platform independent\n",
ss->name ? : "[no name]");
} else if (!scan) {
- if (verbose)
- fprintf(stderr, Name ": specify a metadata type or --scan\n");
+ 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)
- fprintf(stderr, Name ": checking metadata %s\n",
+ if (verbose > 0)
+ pr_err("checking metadata %s\n",
meta->name ? : "[no name]");
if (!meta->detail_platform) {
- if (verbose)
- fprintf(stderr, Name ": %s metadata is platform independent\n",
+ 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);
+ err |= meta->detail_platform(verbose, 0, controller_path);
}
return err;