Package: mdadm
Version: 2.6.3+200709292116+4450e59-3
Severity: important
This computer has, amongst others, two raid5 partitions.
The system is shut down via a "standard" command. When rebooted,
sdd1 and sdd2 are missing. The raid5 arrays get manually rebuilt
using the # mdadm --manage --re-add command.
On one occasion an abnormal shutdown occurred. On reboot both raid5
arrays were detected as degraded and were automatically rebuilt and
were reassembled correctly.
If, following a "normal" shutdown and reboot, an event were to occur
that caused a loss of data before the raid5 arrays were manually
restored, mdadm would be unable to recover the information from
either raid5 array. This is a bug.
-- Package-specific info:
--- mount output
/dev/md0 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/md2 on /home type ext3 (rw,errors=remount-ro)
/dev/md3 on /var type ext3 (rw,errors=remount-ro)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc
(rw,noexec,nosuid,nodev)
--- mdadm.conf
DEVICE /dev/sd[abcde]1
DEVICE /dev/sd[cde]2
DEVICE /dev/sd[ab]3
ARRAY /dev/md0 level=raid1 num-devices=2
UUID=a7ccc6ae:0b19165f:53868f85:2f9f5918
ARRAY /dev/md1 level=raid1 num-devices=2
UUID=04c38589:b3f84631:8c0b1476:c50c7236
ARRAY /dev/md2 level=raid5 num-devices=3 spares=1
UUID=5319b6ab:c6492e30:3cde2480:e3073515
ARRAY /dev/md2 devices=/dev/sdc1,/dev/sdd1,/dev/sde1
ARRAY /dev/md3 level=raid5 num-devices=3 spares=1
UUID=52db6426:52314f0e:3cde2480:e3073515
ARRAY /dev/md3 devices=/dev/sdc2,/dev/sdd2,/dev/sde2
MAILADDR root
--- /proc/mdstat:
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
[multipath]
md1 : active raid1 sdb3[1] sda3[0]
96320 blocks [2/2] [UU]
md2 : active raid5 sdd1[2] sde1[1] sdc1[0]
1171877248 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
md3 : active raid5 sdd2[2] sde2[1] sdc2[0]
293266432 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
md0 : active raid1 sdb1[1] sda1[0]
35158144 blocks [2/2] [UU]
unused devices: <none>
--- /proc/partitions:
major minor #blocks name
8 0 36151920 sda
8 1 35158221 sda1
8 2 891607 sda2
8 3 96390 sda3
8 16 36151920 sdb
8 17 35158221 sdb1
8 18 891607 sdb2
8 19 96390 sdb3
8 32 732574584 sdc
8 33 585938713 sdc1
8 34 146633287 sdc2
8 48 732574584 sdd
8 49 585938713 sdd1
8 50 146633287 sdd2
8 64 732574584 sde
8 65 585938713 sde1
8 66 146633287 sde2
9 0 35158144 md0
9 3 293266432 md3
9 2 1171877248 md2
9 1 96320 md1
--- initrd.img-2.6.22-ver.1.3:
--- /proc/modules:
dm_snapshot 19272 0 - Live 0xffffffff881f8000
dm_mirror 24192 0 - Live 0xffffffff881f1000
--- volume detail:
--- /proc/cmdline
root=/dev/md0 ro
--- grub:
kernel /boot/vmlinuz-2.6.22-ver.1.3 root=/dev/md0 ro
kernel /boot/vmlinuz-2.6.22-ver.1.3 root=/dev/md0 ro single
kernel /boot/vmlinuz-2.6.21 root=/dev/md0 ro
kernel /boot/vmlinuz-2.6.21 root=/dev/md0 ro single
kernel /boot/vmlinuz-2.6.18-4-amd64 root=/dev/md0 ro
kernel /boot/vmlinuz-2.6.18-4-amd64 root=/dev/md0 ro single
-- System Information:
Debian Release: lenny/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.22-ver.1.3 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages mdadm depends on:
hi debconf [debconf-2.0] 1.5.17 Debian configuration management sy
ii libc6 2.7-4 GNU C Library: Shared libraries
hi lsb-base 3.1-24 Linux Standard Base 3.1 init scrip
hi makedev 2.3.1-84 creates device files in /dev
hi udev 0.114-2 /dev/ and hotplug management daemo
Versions of packages mdadm recommends:
hi exim4-daemon-light [mail-tra 4.68-2 lightweight Exim MTA (v4) daemon
hi module-init-tools 3.3-pre11-4 tools for managing Linux kernel mo
-- debconf information:
mdadm/autostart: true
mdadm/mail_to: root
mdadm/initrdstart_msg_errmd:
* mdadm/initrdstart: all
mdadm/initrdstart_msg_errconf:
mdadm/initrdstart_notinconf: false
mdadm/initrdstart_msg_errexist:
mdadm/initrdstart_msg_intro:
mdadm/autocheck: true
mdadm/initrdstart_msg_errblock:
mdadm/start_daemon: true
--
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