/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
#include "md_p.h"
#include "md_u.h"
-int Detail(char *dev, int brief, int test)
+int Detail(char *dev, int brief, int export, int test, char *homehost)
{
/*
* Print out details for an md array by using
int is_rebuilding = 0;
int failed = 0;
struct supertype *st = NULL;
- int max_disks = MD_SB_DISKS;
+ int max_disks = MD_SB_DISKS; /* just a default */
+ struct mdinfo info;
void *super = NULL;
int rv = test ? 4 : 1;
+ int avail_disks = 0;
+ char *avail;
if (fd < 0) {
fprintf(stderr, Name ": cannot open %s: %s\n",
disk.major == 0 &&
disk.minor == 0)
continue;
- if ((dv=map_dev(disk.major, disk.minor))) {
+ if ((dv=map_dev(disk.major, disk.minor, 1))) {
if (!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);
+ int fd2 = dev_open(dv, O_RDONLY);
if (fd2 >=0 && st &&
st->ss->load_super(st, fd2, &super, NULL) == 0) {
- struct mdinfo info;
st->ss->getinfo_super(&info, super);
if (info.array.ctime != array.ctime ||
info.array.level != array.level) {
/* Ok, we have some info to print... */
c = map_num(pers, array.level);
- if (brief)
+
+ if (export) {
+ if (c)
+ printf("MD_LEVEL=%s\n", c);
+ printf("MD_DEVICES=%d\n", array.raid_disks);
+ printf("MD_METADATA=%d.%d\n", array.major_version,
+ array.minor_version);
+ st->ss->export_super(super);
+ goto out;
+ }
+
+ if (brief)
printf("ARRAY %s level=%s num-devices=%d", dev, c?c:"-unknown-",array.raid_disks );
else {
mdu_bitmap_file_t bmf;
- unsigned long array_size;
unsigned long long larray_size;
struct mdstat_ent *ms = mdstat_read(0, 0);
struct mdstat_ent *e;
for (e=ms; e; e=e->next)
if (e->devnum == devnum)
break;
-#ifdef BLKGETSIZE64
- if (ioctl(fd, BLKGETSIZE64, &larray_size)==0)
- ;
- else
-#endif
- if (ioctl(fd, BLKGETSIZE, &array_size)==0) {
- larray_size = array_size;
- larray_size <<= 9;
- }
-
- else larray_size = 0;
+ if (!get_dev_size(fd, NULL, &larray_size))
+ larray_size = 0;
printf("%s:\n", dev);
printf(" Version : %02d.%02d.%02d\n",
(larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
unsigned long long dsize = get_component_size(fd);
if (dsize > 0)
- printf(" Device Size : %llu%s\n", dsize, human_size((long long)array.size<<10));
+ printf(" Used Dev Size : %llu%s\n",
+ dsize,
+ human_size((long long)array.size<<10));
else
- printf(" Device Size : unknown\n");
+ printf(" Used Dev Size : unknown\n");
} else
- printf(" Device Size : %d%s\n", array.size, human_size((long long)array.size<<10));
+ printf(" Used Dev Size : %d%s\n", array.size,
+ human_size((long long)array.size<<10));
}
printf(" Raid Devices : %d\n", array.raid_disks);
printf(" Total Devices : %d\n", array.nr_disks);
printf(" Persistence : Superblock is %spersistent\n",
array.not_persistent?"not ":"");
printf("\n");
- if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
- bmf.pathname[0]) {
+ /* 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);
printf("\n");
} else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
printf(" Intent Bitmap : Internal\n\n");
atime = array.utime;
printf(" Update Time : %.24s\n", ctime(&atime));
- printf(" State : %s%s%s\n",
+ printf(" State : %s%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");
+ (e->resync) ? ", resyncing": ", recovering",
+ larray_size ? "": ", Not Started");
printf(" Active Devices : %d\n", array.active_disks);
printf("Working Devices : %d\n", array.working_disks);
printf(" Failed Devices : %d\n", array.failed_disks);
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);
+ printf(" Layout : near=%d, %s=%d\n",
+ array.layout&255, (array.layout&0x10000)?"offset":"far",
+ (array.layout>>8)&255);
}
switch (array.level) {
case 0:
}
if (e && e->percent >= 0) {
- printf(" Rebuild Status : %d%% complete\n\n", e->percent);
+ printf(" Re%s Status : %d%% complete\n",
+ (super && info.reshape_active)? "shape":"build",
+ e->percent);
is_rebuilding = 1;
}
free_mdstat(ms);
+ if (super && 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(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.delta_disks < 0)
+ printf(" Delta Devices : %d, (%d->%d)\n",
+ info.delta_disks, array.raid_disks, array.raid_disks + info.delta_disks);
+ if (info.new_level != array.level) {
+ char *c = map_num(pers, info.new_level);
+ printf(" New Level : %s\n", c?c:"-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-");
+ }
+ 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");
if (super && st)
- st->ss->detail_super(super);
+ st->ss->detail_super(super, homehost);
printf(" Number Major Minor RaidDevice State\n");
}
for (d=0; d<max_disks; d++) {
disks[d].state = (1<<MD_DISK_REMOVED);
disks[d].major = disks[d].minor = 0;
+ disks[d].number = disks[d].raid_disk = d;
}
next = array.raid_disks;
disks[next++] = disk;
}
+ avail = calloc(array.raid_disks, 1);
for (d= 0; d < max_disks; d++) {
char *dv;
mdu_disk_info_t disk = disks[d];
}
}
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;
+ if (test && d < array.raid_disks
+ && !(disk.state & (1<<MD_DISK_SYNC)))
rv |= 1;
+ if (d < array.raid_disks
+ && (disk.state & (1<<MD_DISK_SYNC))) {
+ avail_disks ++;
+ avail[d] = 1;
}
- if ((dv=map_dev(disk.major, disk.minor))) {
+ if ((dv=map_dev(disk.major, disk.minor, 0))) {
if (brief) {
if (devices) {
devices = realloc(devices,
if (brief > 1 && devices) printf("\n devices=%s", devices);
if (brief) printf("\n");
- if (test && (rv&2)) rv &= ~1;
+ if (test &&
+ !enough(array.level, array.raid_disks, array.layout,
+ 1, avail, avail_disks))
+ rv = 2;
+
+out:
close(fd);
return rv;
}