Bug#417407: debian-installer: d-i destroyed existing raid device
On Mon, Apr 02, 2007 at 06:45:46PM +0200, martin f krafft wrote:
> also sprach Peter Nuttall <p.s.nuttall@dur.ac.uk> [2007.04.02.1833 +0200]:
> > If you have any questions, or I can help further, please ask. I'm psn on
> > oftc. Any suggestions as to what I did wrong or how to recover would be
> > really nice.
>
> Please also pass the output of
>
> /usr/share/bug/mdadm/script 3>&1
>
> run as root. Note that RAID superblocks and fsck -b have nothing to
> do with each other.
Sorry, the superblocks in question are the ext3 superblocks. I have
attached the output.
>
> Do you have backups?
>
Yes, but not of stuff I have been doing for the last week or so. There
are also large files that I don't have backups of, simply because I
don't have the space. So I can cope without recovery, but it would be
very nice to recover.
> Did you do anything else to the partitions?
>
I don't recall doing anything else.
> What does mdadm -E output for /dev/sd[ab]1 ?
>
Attached.
Thanks for getting back to me so fast,
Pete
> --
> .''`. martin f. krafft <madduck@debian.org>
> : :' : proud Debian developer, author, administrator, and user
> `. `'` http://people.debian.org/~madduck - http://debiansystem.info
> `- Debian - when you have better things to do than fixing systems
--- mount output
/dev/mapper/lupin-root on / type ext3 (rw,errors=remount-ro)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
procbususb on /proc/bus/usb type usbfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
/dev/hda1 on /boot type ext3 (rw)
/dev/mapper/lupin-home on /home type ext3 (rw)
/dev/mapper/lupin-tmp on /tmp type ext3 (rw)
/dev/mapper/lupin-usr on /usr type ext3 (rw)
/dev/mapper/lupin-var on /var type ext3 (rw)
--- mdadm.conf
# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#
# by default, scan all partitions (/proc/partitions) for MD superblocks.
# alternatively, specify devices to scan, using wildcards if desired.
DEVICE partitions
# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes
# automatically tag new arrays as belonging to the local system
HOMEHOST <system>
# instruct the monitoring daemon where to send mail alerts
MAILADDR root
# definitions of existing MD arrays
ARRAY /dev/md0 level=raid1 num-devices=2 UUID=a2a5496b:fc655412:8b2b4604:32399bd7
ARRAY /dev/md1 level=raid1 num-devices=2 UUID=859d17cf:5b01cea2:9aa94566:308b5a5d
# This file was auto-generated on Mon, 02 Apr 2007 13:25:58 +0100
# by mkconf $Id: mkconf 261 2006-11-09 13:32:35Z madduck $
--- /proc/mdstat:
Personalities : [raid1]
md0 : active raid1 sda[0] sdb[1]
293036096 blocks [2/2] [UU]
unused devices: <none>
--- /proc/partitions:
major minor #blocks name
8 0 293036184 sda
8 16 293036184 sdb
3 0 40146624 hda
3 1 248976 hda1
3 2 1 hda2
3 5 39897396 hda5
254 0 282624 dm-0
254 1 5001216 dm-1
254 2 3002368 dm-2
254 3 770048 dm-3
254 4 401408 dm-4
254 5 30437376 dm-5
9 0 293036096 md0
--- initrd.img-2.6.18-4-k7:
24333 blocks
sbin/mdadm
etc/mdadm
etc/mdadm/mdadm.conf
lib/modules/2.6.18-4-k7/kernel/drivers/md/raid1.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/raid456.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/xor.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/linear.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/raid0.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/dm-mirror.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/dm-snapshot.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/dm-mod.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/raid10.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/multipath.ko
lib/modules/2.6.18-4-k7/kernel/drivers/md/md-mod.ko
scripts/local-top/mdadm
--- /proc/modules:
raid1 21632 1 - Live 0xd0a43000
md_mod 71060 1 raid1, Live 0xd0ac9000
dm_mirror 19600 0 - Live 0xd08de000
dm_snapshot 15904 0 - Live 0xd08e4000
dm_mod 50776 15 dm_mirror,dm_snapshot, Live 0xd0916000
--- /var/log/syslog:
Apr 2 13:25:56 lupin kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
Apr 2 13:25:56 lupin kernel: md: bitmap version 4.39
Apr 2 13:26:18 lupin mdadm: DeviceDisappeared event detected on md device /dev/md1
Apr 2 13:26:18 lupin mdadm: DeviceDisappeared event detected on md device /dev/md0
Apr 2 13:26:18 lupin kernel: md: md0 stopped.
Apr 2 13:26:18 lupin kernel: md: bind<sda>
Apr 2 13:26:18 lupin kernel: md: bind<sdb>
Apr 2 13:26:18 lupin kernel: md: kicking non-fresh sda from array!
Apr 2 13:26:18 lupin kernel: md: unbind<sda>
Apr 2 13:26:18 lupin kernel: md: export_rdev(sda)
Apr 2 13:26:18 lupin kernel: md: raid1 personality registered for level 1
Apr 2 13:26:18 lupin kernel: md: md1 stopped.
Apr 2 13:26:29 lupin mdadm: DegradedArray event detected on md device /dev/md0
Apr 2 13:27:04 lupin kernel: md: md1 stopped.
Apr 2 13:30:35 lupin kernel: md: md0 stopped.
Apr 2 13:30:35 lupin kernel: md: unbind<sdb>
Apr 2 13:30:35 lupin kernel: md: export_rdev(sdb)
Apr 2 13:30:35 lupin mdadm: DeviceDisappeared event detected on md device /dev/md0
Apr 2 13:30:42 lupin kernel: md: md0 stopped.
Apr 2 13:30:42 lupin kernel: md: bind<sda>
Apr 2 13:30:42 lupin kernel: md: bind<sdb>
Apr 2 13:30:42 lupin kernel: md: kicking non-fresh sda from array!
Apr 2 13:30:42 lupin kernel: md: unbind<sda>
Apr 2 13:30:42 lupin kernel: md: export_rdev(sda)
Apr 2 13:31:45 lupin kernel: md: md0 stopped.
Apr 2 13:31:45 lupin kernel: md: unbind<sdb>
Apr 2 13:31:45 lupin kernel: md: export_rdev(sdb)
Apr 2 13:31:45 lupin mdadm: DeviceDisappeared event detected on md device /dev/md0
Apr 2 13:32:31 lupin kernel: md: md0 stopped.
Apr 2 13:32:34 lupin kernel: md: md0 stopped.
Apr 2 13:32:34 lupin kernel: md: bind<sda>
Apr 2 13:32:34 lupin kernel: md: bind<sdb>
Apr 2 13:32:34 lupin kernel: md: kicking non-fresh sda from array!
Apr 2 13:32:34 lupin kernel: md: unbind<sda>
Apr 2 13:32:34 lupin kernel: md: export_rdev(sda)
Apr 2 13:35:23 lupin kernel: md: md0 stopped.
Apr 2 13:35:23 lupin kernel: md: unbind<sdb>
Apr 2 13:35:23 lupin kernel: md: export_rdev(sdb)
Apr 2 13:35:23 lupin mdadm: DeviceDisappeared event detected on md device /dev/md0
Apr 2 13:35:28 lupin kernel: md: md0 stopped.
Apr 2 13:35:28 lupin kernel: md: bind<sda>
Apr 2 13:35:28 lupin kernel: md: bind<sdb>
Apr 2 13:35:28 lupin kernel: md: kicking non-fresh sda from array!
Apr 2 13:35:28 lupin kernel: md: unbind<sda>
Apr 2 13:35:28 lupin kernel: md: export_rdev(sda)
Apr 2 13:39:56 lupin kernel: md: bind<sda>
Apr 2 13:39:56 lupin kernel: md: syncing RAID array md0
Apr 2 13:39:56 lupin kernel: md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
Apr 2 13:39:56 lupin kernel: md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.
Apr 2 13:39:56 lupin kernel: md: using 128k window, over a total of 293036096 blocks.
Apr 2 13:39:56 lupin mdadm: RebuildStarted event detected on md device /dev/md0
Apr 2 14:01:56 lupin mdadm: Rebuild20 event detected on md device /dev/md0
Apr 2 14:15:19 lupin kernel: md: md0: sync done.
Apr 2 14:15:19 lupin kernel: md: md0 stopped.
Apr 2 14:15:19 lupin kernel: md: unbind<sda>
Apr 2 14:15:19 lupin kernel: md: export_rdev(sda)
Apr 2 14:15:19 lupin kernel: md: unbind<sdb>
Apr 2 14:15:19 lupin kernel: md: export_rdev(sdb)
Apr 2 14:15:19 lupin mdadm: DeviceDisappeared event detected on md device /dev/md0
Apr 2 14:15:25 lupin kernel: md: md0 stopped.
Apr 2 14:15:25 lupin kernel: md: bind<sda>
Apr 2 14:15:25 lupin kernel: md: bind<sdb>
Apr 2 14:15:26 lupin kernel: md: syncing RAID array md0
Apr 2 14:15:26 lupin kernel: md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
Apr 2 14:15:26 lupin kernel: md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.
Apr 2 14:15:26 lupin kernel: md: using 128k window, over a total of 293036096 blocks.
Apr 2 14:37:26 lupin mdadm: Rebuild20 event detected on md device /dev/md0
Apr 2 14:57:26 lupin mdadm: Rebuild40 event detected on md device /dev/md0
Apr 2 15:17:26 lupin mdadm: Rebuild60 event detected on md device /dev/md0
Apr 2 15:39:26 lupin mdadm: Rebuild80 event detected on md device /dev/md0
Apr 2 16:04:48 lupin kernel: md: md0: sync done.
Apr 2 16:04:48 lupin mdadm: RebuildFinished event detected on md device /dev/md0
Apr 2 16:04:48 lupin mdadm: SpareActive event detected on md device /dev/md0, component device /dev/sda
Apr 2 16:26:12 lupin mdadm: DeviceDisappeared event detected on md device /dev/md0
Apr 2 16:26:12 lupin kernel: md: md0 stopped.
Apr 2 16:26:12 lupin kernel: md: unbind<sdb>
Apr 2 16:26:12 lupin kernel: md: export_rdev(sdb)
Apr 2 16:26:12 lupin kernel: md: unbind<sda>
Apr 2 16:26:12 lupin kernel: md: export_rdev(sda)
Apr 2 16:46:26 lupin kernel: md: md0 stopped.
Apr 2 16:46:26 lupin kernel: md: bind<sdb>
Apr 2 16:46:26 lupin kernel: md: bind<sda>
--- volume detail:
/dev/sda:
Magic : a92b4efc
Version : 00.90.00
UUID : a2a5496b:fc655412:8b2b4604:32399bd7
Creation Time : Mon Oct 23 14:34:46 2006
Raid Level : raid1
Device Size : 293036096 (279.46 GiB 300.07 GB)
Array Size : 293036096 (279.46 GiB 300.07 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Update Time : Mon Apr 2 16:12:54 2007
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Checksum : a261aa17 - correct
Events : 0.52282
Number Major Minor RaidDevice State
this 0 8 0 0 active sync /dev/sda
0 0 8 0 0 active sync /dev/sda
1 1 8 16 1 active sync /dev/sdb
--
/dev/sdb:
Magic : a92b4efc
Version : 00.90.00
UUID : a2a5496b:fc655412:8b2b4604:32399bd7
Creation Time : Mon Oct 23 14:34:46 2006
Raid Level : raid1
Device Size : 293036096 (279.46 GiB 300.07 GB)
Array Size : 293036096 (279.46 GiB 300.07 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Update Time : Mon Apr 2 16:12:54 2007
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Checksum : a261aa29 - correct
Events : 0.52282
Number Major Minor RaidDevice State
this 1 8 16 1 active sync /dev/sdb
0 0 8 0 0 active sync /dev/sda
1 1 8 16 1 active sync /dev/sdb
--
--- /proc/cmdline
root=/dev/mapper/lupin-root ro
--- grub:
kernel /vmlinuz-2.6.18-4-k7 root=/dev/mapper/lupin-root ro
kernel /vmlinuz-2.6.18-4-k7 root=/dev/mapper/lupin-root ro single
/dev/sda:
Magic : a92b4efc
Version : 00.90.00
UUID : a2a5496b:fc655412:8b2b4604:32399bd7
Creation Time : Mon Oct 23 14:34:46 2006
Raid Level : raid1
Device Size : 293036096 (279.46 GiB 300.07 GB)
Array Size : 293036096 (279.46 GiB 300.07 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Update Time : Mon Apr 2 16:12:54 2007
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Checksum : a261aa17 - correct
Events : 0.52282
Number Major Minor RaidDevice State
this 0 8 0 0 active sync /dev/sda
0 0 8 0 0 active sync /dev/sda
1 1 8 16 1 active sync /dev/sdb
/dev/sdb:
Magic : a92b4efc
Version : 00.90.00
UUID : a2a5496b:fc655412:8b2b4604:32399bd7
Creation Time : Mon Oct 23 14:34:46 2006
Raid Level : raid1
Device Size : 293036096 (279.46 GiB 300.07 GB)
Array Size : 293036096 (279.46 GiB 300.07 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Update Time : Mon Apr 2 16:12:54 2007
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Checksum : a261aa29 - correct
Events : 0.52282
Number Major Minor RaidDevice State
this 1 8 16 1 active sync /dev/sdb
0 0 8 0 0 active sync /dev/sda
1 1 8 16 1 active sync /dev/sdb
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