#include "md_p.h"
#include "md_u.h"
-int Detail(char *dev, int brief)
+int Detail(char *dev, int brief, int test)
{
/*
* Print out details for an md array by using
int d;
time_t atime;
char *c;
+ char *devices = NULL;
+ int spares = 0;
+ struct stat stb;
+ int is_26 = get_linux_version() >= 2006000;
+ int is_rebuilding = 0;
+ int failed = 0;
mdp_super_t super;
int have_super = 0;
+ int rv = test ? 4 : 1;
if (fd < 0) {
fprintf(stderr, Name ": cannot open %s: %s\n",
dev, strerror(errno));
- return 1;
+ 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 1;
+ return rv;
}
if (vers < 9000) {
fprintf(stderr, Name ": cannot get detail for md device %s: driver version too old.\n",
dev);
close(fd);
- return 1;
+ return rv;
}
if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
if (errno == ENODEV)
fprintf(stderr, Name ": cannot get array detail for %s: %s\n",
dev, strerror(errno));
close(fd);
- return 1;
+ return rv;
}
+ if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
+ stb.st_rdev = 0;
+ rv = 0;
+
+ /* try to load a superblock */
+ for (d= 0; d<MD_SB_DISKS; d++) {
+ mdu_disk_info_t disk;
+ char *dv;
+ 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 ((dv=map_dev(disk.major, disk.minor))) {
+ if (!have_super && (disk.state & (1<<MD_DISK_ACTIVE))) {
+ /* try to read the superblock from this device
+ * to get more info
+ */
+ int fd2 = open(dv, O_RDONLY);
+ if (fd2 >=0 &&
+ load_super(fd2, &super) ==0 &&
+ (unsigned long)super.ctime == (unsigned long)array.ctime &&
+ (unsigned int)super.level == (unsigned int)array.level)
+ have_super = 1;
+ if (fd2 >= 0) close(fd2);
+ }
+ }
+ }
+
/* Ok, we have some info to print... */
c = map_num(pers, array.level);
if (brief)
else {
unsigned long array_size;
unsigned long long larray_size;
+ struct mdstat_ent *ms = mdstat_read(0);
+ struct mdstat_ent *e;
+ int devnum = array.md_minor;
+ if (major(stb.st_rdev) != MD_MAJOR)
+ devnum = -1 - devnum;
+
+ for (e=ms; e; e=e->next)
+ if (e->devnum == devnum)
+ break;
#ifdef BLKGETSIZE64
if (ioctl(fd, BLKGETSIZE64, &larray_size)==0)
;
printf(" Creation Time : %.24s\n", ctime(&atime));
printf(" Raid Level : %s\n", c?c:"-unknown-");
if (larray_size)
- printf(" Array Size : %ld%s\n", (long)(larray_size>>10), human_size(larray_size));
+ printf(" Array Size : %llu%s\n", (larray_size>>10), human_size(larray_size));
if (array.level >= 1)
printf(" Device Size : %d%s\n", array.size, human_size((long long)array.size<<10));
printf(" Raid Devices : %d\n", array.raid_disks);
printf("\n");
atime = array.utime;
printf(" Update Time : %.24s\n", ctime(&atime));
- printf(" State : %s, %serrors\n",
- (array.state&(1<<MD_SB_CLEAN))?"clean":"dirty",
- (array.state&(1<<MD_SB_ERRORS))?"":"no-");
+ printf(" State : %s%s%s\n",
+ (array.state&(1<<MD_SB_CLEAN))?"clean":"active",
+ array.active_disks < array.raid_disks? ", degraded":"",
+ (!e || e->percent < 0) ? "" :
+ (e->resync) ? ", resyncing": ", recovering");
printf(" Active Devices : %d\n", array.active_disks);
printf("Working Devices : %d\n", array.working_disks);
printf(" Failed Devices : %d\n", array.failed_disks);
c = map_num(r5layout, array.layout);
printf(" Layout : %s\n", c?c:"-unknown-");
}
+ if (array.level == 10) {
+ printf(" Layout : near=%d, far=%d\n",
+ array.layout&255, (array.layout>>8)&255);
+ }
switch (array.level) {
case 0:
case 4:
case 5:
- printf(" Chunk Size : %dK\n", array.chunk_size/1024);
+ case 10:
+ case 6:
+ printf(" Chunk Size : %dK\n\n", array.chunk_size/1024);
break;
case -1:
- printf(" Rounding : %dK\n", array.chunk_size/1024);
+ printf(" Rounding : %dK\n\n", array.chunk_size/1024);
break;
default: break;
}
- printf("\n");
+ if (e && e->percent >= 0) {
+ printf(" Rebuild Status : %d%% complete\n\n", e->percent);
+ is_rebuilding = 1;
+ }
+ free_mdstat(ms);
+
+ if (have_super) {
+ printf(" UUID : ");
+ if (super.minor_version >= 90)
+ printf("%08x:%08x:%08x:%08x", super.set_uuid0, super.set_uuid1,
+ super.set_uuid2, super.set_uuid3);
+ else
+ printf("%08x", super.set_uuid0);
+ printf("\n Events : %d.%d\n\n", super.events_hi, super.events_lo);
+ }
+
printf(" Number Major Minor RaidDevice State\n");
}
for (d= 0; d<MD_SB_DISKS; d++) {
disk.minor == 0)
continue;
if (!brief) {
- printf(" %5d %5d %5d %5d ",
- disk.number, disk.major, disk.minor, disk.raid_disk);
- if (disk.state & (1<<MD_DISK_FAULTY)) printf(" faulty");
+ if (disk.number == array.raid_disks) printf("\n");
+ if (disk.raid_disk < 0)
+ printf(" %5d %5d %5d - ",
+ disk.number, disk.major, disk.minor);
+ else
+ printf(" %5d %5d %5d %5d ",
+ disk.number, disk.major, disk.minor, disk.raid_disk);
+ 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 == 0) printf(" spare");
+ if (disk.state == 0) {
+ 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.state == 0) spares++;
+ if (test && d < array.raid_disks && disk.state & (1<<MD_DISK_FAULTY)) {
+ if ((rv & 1) && (array.level ==4 || array.level == 5))
+ rv |= 2;
+ rv |= 1;
}
if ((dv=map_dev(disk.major, disk.minor))) {
- if (!brief) printf(" %s", dv);
- if (!have_super) {
- /* try to read the superblock from this device
- * to get more info
- */
- int fd = open(dv, O_RDONLY);
- if (fd >=0 &&
- load_super(fd, &super) ==0 &&
- super.ctime == array.ctime &&
- super.level == array.level)
- have_super = 1;
- }
+ if (brief) {
+ if (devices) {
+ devices = realloc(devices,
+ strlen(devices)+1+strlen(dv)+1);
+ strcat(strcat(devices,","),dv);
+ } else
+ devices = strdup(dv);
+ } else
+ printf(" %s", dv);
}
if (!brief) printf("\n");
}
- if (have_super) {
- if (brief) printf(" UUID=");
- else printf(" UUID : ");
+ if (spares && brief) printf(" spares=%d", spares);
+ if (have_super && brief) {
+ printf(" UUID=");
if (super.minor_version >= 90)
printf("%08x:%08x:%08x:%08x", super.set_uuid0, super.set_uuid1,
super.set_uuid2, super.set_uuid3);
else
printf("%08x", super.set_uuid0);
- if (!brief) printf("\n");
}
+ if (brief && devices) printf("\n devices=%s", devices);
if (brief) printf("\n");
- return 0;
+ if (test && (rv&2)) rv &= ~1;
+ close(fd);
+ return rv;
}
projects / thirdparty / mdadm.git / blobdiff