--- On Tue, 2/17/09, martin f krafft <madd...@debian.org> wrote: > This is not the full output. Please make sure to run the > script as > root, e.g. > > /usr/share/bug/mdadm/script > /tmp/mdadm-debug-info > > and mail the file as attachment. > > I am elevating the severity on this bug until I find out > what's > going on.
The output file is enclosed. The system was dist-upgraded to lenny but I'm running it under 2.6.18 kernel from etch. The script was breaking at the "zcat /boot/initrd.img-$(uname -r) 2>&3 | cpio -t 2>&3 | egrep '/md[a/]' >&3" line, so I commented it out to get a fuller output. See the enclosed file for the respective errors. Also, it may be important to know that while running etch I manually used to run "mkinitrd" to rebuild the boot image every time etch kernel was changed (security updates, etc.) This was done to add mdadm module to the boot image. Thanks
--- mount output /dev/md2 on / type ext3 (rw,errors=remount-ro) tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) udev on /dev type tmpfs (rw,mode=0755) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620) /dev/md1 on /boot type ext3 (rw,errors=remount-ro) --- mdadm.conf ARRAY /dev/md1 level=raid1 num-devices=3 UUID=bdf8a233:fcf6d2af:d7771298:fac716f4 ARRAY /dev/md2 level=raid5 num-devices=3 UUID=2ed78bfb:aed805bf:7cc7e04b:e56f1342 ARRAY /dev/md3 level=raid5 num-devices=3 UUID=3232683c:698319a4:67aa8320:ae8fa7c7 MAILADDR root --- /proc/mdstat: Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] md1 : active raid1 sda1[0] sdc1[2] sdb1[1] 40064 blocks [3/3] [UUU] md2 : active raid5 sda2[0] sdc2[2] sdb2[1] 486351616 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU] md3 : active raid5 sda3[0] sdc3[2] sdb3[1] 1959680 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU] unused devices: <none> --- /proc/partitions: major minor #blocks name 8 0 244197527 sda 8 1 40131 sda1 8 2 243175905 sda2 8 3 979965 sda3 8 16 244198584 sdb 8 17 40131 sdb1 8 18 243175905 sdb2 8 19 979965 sdb3 8 32 244198584 sdc 8 33 40131 sdc1 8 34 243175905 sdc2 8 35 979965 sdc3 9 3 1959680 md3 9 2 486351616 md2 9 1 40064 md1 --- initrd.img-2.6.18-6-686: ## Execution of the line starting with "zcat" results in the following errors and the script terminates at that point, so ## I commented it out. ## # zcat /boot/initrd.img-$(uname -r) 2>&3 | cpio -t 2>&3 | egrep '/md[a/]' >&3 ## ## Errors: gzip: /boot/initrd.img-2.6.18-6-686: not in gzip format ## cpio: premature end of archive --- /proc/modules: dm_snapshot 15552 0 - Live 0xf899e000 dm_mirror 19152 0 - Live 0xf89cb000 dm_mod 50200 2 dm_snapshot,dm_mirror, Live 0xf8b44000 raid456 115472 2 - Live 0xf88ab000 xor 14216 1 raid456, Live 0xf8834000 raid1 21056 1 - Live 0xf882d000 raid0 7744 0 - Live 0xf8822000 md_mod 70388 6 raid456,raid1,raid0, Live 0xf8879000 --- /var/log/syslog: Feb 16 02:22:44 dserver kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 Feb 16 02:22:44 dserver kernel: md: bitmap version 4.39 Feb 16 02:22:44 dserver kernel: md: raid0 personality registered for level 0 Feb 16 02:22:44 dserver kernel: md: raid1 personality registered for level 1 Feb 16 02:22:44 dserver kernel: md: raid6 personality registered for level 6 Feb 16 02:22:44 dserver kernel: md: raid5 personality registered for level 5 Feb 16 02:22:44 dserver kernel: md: raid4 personality registered for level 4 Feb 16 02:22:44 dserver kernel: md: md3 stopped. Feb 16 02:22:44 dserver kernel: md: bind<sdb3> Feb 16 02:22:44 dserver kernel: md: bind<sdc3> Feb 16 02:22:44 dserver kernel: md: bind<sda3> Feb 16 02:22:44 dserver kernel: md: md2 stopped. Feb 16 02:22:44 dserver kernel: md: bind<sdb2> Feb 16 02:22:44 dserver kernel: md: bind<sdc2> Feb 16 02:22:44 dserver kernel: md: bind<sda2> Feb 16 02:22:44 dserver kernel: md: md1 stopped. Feb 16 02:22:44 dserver kernel: md: bind<sdb1> Feb 16 02:22:44 dserver kernel: md: bind<sdc1> Feb 16 02:22:44 dserver kernel: md: bind<sda1> Feb 16 04:07:36 dserver kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 Feb 16 04:07:36 dserver kernel: md: bitmap version 4.39 Feb 16 04:07:36 dserver kernel: md: raid0 personality registered for level 0 Feb 16 04:07:36 dserver kernel: md: raid1 personality registered for level 1 Feb 16 04:07:36 dserver kernel: md: raid6 personality registered for level 6 Feb 16 04:07:36 dserver kernel: md: raid5 personality registered for level 5 Feb 16 04:07:36 dserver kernel: md: raid4 personality registered for level 4 Feb 16 04:07:36 dserver kernel: md: md3 stopped. Feb 16 04:07:36 dserver kernel: md: bind<sdb3> Feb 16 04:07:36 dserver kernel: md: bind<sdc3> Feb 16 04:07:36 dserver kernel: md: bind<sda3> Feb 16 04:07:36 dserver kernel: md: md2 stopped. Feb 16 04:07:36 dserver kernel: md: bind<sdb2> Feb 16 04:07:36 dserver kernel: md: bind<sdc2> Feb 16 04:07:36 dserver kernel: md: bind<sda2> Feb 16 04:07:36 dserver kernel: md: md1 stopped. Feb 16 04:07:36 dserver kernel: md: bind<sdb1> Feb 16 04:07:36 dserver kernel: md: bind<sdc1> Feb 16 04:07:36 dserver kernel: md: bind<sda1> Feb 16 06:36:39 dserver kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 Feb 16 06:36:39 dserver kernel: md: bitmap version 4.39 Feb 16 06:36:39 dserver kernel: md: raid0 personality registered for level 0 Feb 16 06:36:39 dserver kernel: md: raid1 personality registered for level 1 Feb 16 06:36:39 dserver kernel: md: raid6 personality registered for level 6 Feb 16 06:36:39 dserver kernel: md: raid5 personality registered for level 5 Feb 16 06:36:39 dserver kernel: md: raid4 personality registered for level 4 Feb 16 06:36:39 dserver kernel: md: md3 stopped. Feb 16 06:36:39 dserver kernel: md: bind<sdb3> Feb 16 06:36:39 dserver kernel: md: bind<sdc3> Feb 16 06:36:39 dserver kernel: md: bind<sda3> Feb 16 06:36:39 dserver kernel: md: md2 stopped. Feb 16 06:36:39 dserver kernel: md: bind<sdb2> Feb 16 06:36:39 dserver kernel: md: bind<sdc2> Feb 16 06:36:39 dserver kernel: md: bind<sda2> Feb 16 06:36:39 dserver kernel: md: md1 stopped. Feb 16 06:36:39 dserver kernel: md: bind<sdb1> Feb 16 06:36:39 dserver kernel: md: bind<sdc1> Feb 16 06:36:39 dserver kernel: md: bind<sda1> Feb 16 06:44:36 dserver kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 Feb 16 06:44:36 dserver kernel: md: bitmap version 4.39 Feb 16 06:44:36 dserver kernel: md: raid0 personality registered for level 0 Feb 16 06:44:36 dserver kernel: md: raid1 personality registered for level 1 Feb 16 06:44:36 dserver kernel: md: raid6 personality registered for level 6 Feb 16 06:44:36 dserver kernel: md: raid5 personality registered for level 5 Feb 16 06:44:36 dserver kernel: md: raid4 personality registered for level 4 Feb 16 06:44:36 dserver kernel: md: md3 stopped. Feb 16 06:44:36 dserver kernel: md: bind<sdb3> Feb 16 06:44:36 dserver kernel: md: bind<sdc3> Feb 16 06:44:36 dserver kernel: md: bind<sda3> Feb 16 06:44:36 dserver kernel: md: md2 stopped. Feb 16 06:44:36 dserver kernel: md: bind<sdb2> Feb 16 06:44:36 dserver kernel: md: bind<sdc2> Feb 16 06:44:36 dserver kernel: md: bind<sda2> Feb 16 06:44:36 dserver kernel: md: md1 stopped. Feb 16 06:44:36 dserver kernel: md: bind<sdb1> Feb 16 06:44:36 dserver kernel: md: bind<sdc1> Feb 16 06:44:36 dserver kernel: md: bind<sda1> Feb 16 06:54:31 dserver kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 Feb 16 06:54:31 dserver kernel: md: bitmap version 4.39 Feb 16 06:54:31 dserver kernel: md: raid0 personality registered for level 0 Feb 16 06:54:31 dserver kernel: md: raid1 personality registered for level 1 Feb 16 06:54:31 dserver kernel: md: raid6 personality registered for level 6 Feb 16 06:54:31 dserver kernel: md: raid5 personality registered for level 5 Feb 16 06:54:31 dserver kernel: md: raid4 personality registered for level 4 Feb 16 06:54:31 dserver kernel: md: md3 stopped. Feb 16 06:54:31 dserver kernel: md: bind<sdb3> Feb 16 06:54:31 dserver kernel: md: bind<sdc3> Feb 16 06:54:31 dserver kernel: md: bind<sda3> Feb 16 06:54:31 dserver kernel: md: md2 stopped. Feb 16 06:54:31 dserver kernel: md: bind<sdb2> Feb 16 06:54:31 dserver kernel: md: bind<sdc2> Feb 16 06:54:31 dserver kernel: md: bind<sda2> Feb 16 06:54:31 dserver kernel: md: md1 stopped. Feb 16 06:54:31 dserver kernel: md: bind<sdb1> Feb 16 06:54:31 dserver kernel: md: bind<sdc1> Feb 16 06:54:31 dserver kernel: md: bind<sda1> Feb 16 06:58:31 dserver kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 Feb 16 06:58:31 dserver kernel: md: bitmap version 4.39 Feb 16 06:58:31 dserver kernel: md: raid0 personality registered for level 0 Feb 16 06:58:31 dserver kernel: md: raid1 personality registered for level 1 Feb 16 06:58:31 dserver kernel: md: raid6 personality registered for level 6 Feb 16 06:58:31 dserver kernel: md: raid5 personality registered for level 5 Feb 16 06:58:31 dserver kernel: md: raid4 personality registered for level 4 Feb 16 06:58:31 dserver kernel: md: md3 stopped. Feb 16 06:58:31 dserver kernel: md: bind<sdb3> Feb 16 06:58:31 dserver kernel: md: bind<sdc3> Feb 16 06:58:31 dserver kernel: md: bind<sda3> Feb 16 06:58:31 dserver kernel: md: md2 stopped. Feb 16 06:58:31 dserver kernel: md: bind<sdb2> Feb 16 06:58:31 dserver kernel: md: bind<sdc2> Feb 16 06:58:31 dserver kernel: md: bind<sda2> Feb 16 06:58:31 dserver kernel: md: md1 stopped. Feb 16 06:58:31 dserver kernel: md: bind<sdb1> Feb 16 06:58:31 dserver kernel: md: bind<sdc1> Feb 16 06:58:31 dserver kernel: md: bind<sda1> Feb 16 15:27:43 dserver kernel: md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 Feb 16 15:27:43 dserver kernel: md: bitmap version 4.39 Feb 16 15:27:43 dserver kernel: md: raid0 personality registered for level 0 Feb 16 15:27:43 dserver kernel: md: raid1 personality registered for level 1 Feb 16 15:27:43 dserver kernel: md: raid6 personality registered for level 6 Feb 16 15:27:43 dserver kernel: md: raid5 personality registered for level 5 Feb 16 15:27:43 dserver kernel: md: raid4 personality registered for level 4 Feb 16 15:27:43 dserver kernel: md: md3 stopped. Feb 16 15:27:43 dserver kernel: md: bind<sdb3> Feb 16 15:27:43 dserver kernel: md: bind<sdc3> Feb 16 15:27:43 dserver kernel: md: bind<sda3> Feb 16 15:27:43 dserver kernel: md: md2 stopped. Feb 16 15:27:43 dserver kernel: md: bind<sdb2> Feb 16 15:27:43 dserver kernel: md: bind<sdc2> Feb 16 15:27:43 dserver kernel: md: bind<sda2> Feb 16 15:27:43 dserver kernel: md: md1 stopped. Feb 16 15:27:43 dserver kernel: md: bind<sdb1> Feb 16 15:27:43 dserver kernel: md: bind<sdc1> Feb 16 15:27:43 dserver kernel: md: bind<sda1> --- volume detail: /dev/sda: Magic : a92b4efc Version : 00.90.00 UUID : bf83863b:a8bafec0:572233db:f8753364 Creation Time : Mon Apr 4 15:03:04 2005 Raid Level : raid5 Used Dev Size : 244197440 (232.88 GiB 250.06 GB) Array Size : 488394880 (465.77 GiB 500.12 GB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 0 Update Time : Tue Apr 5 00:13:02 2005 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : f4340943 - correct Events : 668 Layout : left-symmetric Chunk Size : 64K 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 2 2 8 32 2 active sync /dev/sdc -- /dev/sda1: Magic : a92b4efc Version : 00.90.00 UUID : bdf8a233:fcf6d2af:d7771298:fac716f4 Creation Time : Mon Apr 11 01:47:39 2005 Raid Level : raid1 Used Dev Size : 40064 (39.13 MiB 41.03 MB) Array Size : 40064 (39.13 MiB 41.03 MB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 1 Update Time : Tue Feb 17 03:02:49 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : c24e20a5 - correct Events : 2972 Number Major Minor RaidDevice State this 0 8 1 0 active sync /dev/sda1 0 0 8 1 0 active sync /dev/sda1 1 1 8 17 1 active sync /dev/sdb1 2 2 8 33 2 active sync /dev/sdc1 -- /dev/sda2: Magic : a92b4efc Version : 00.90.00 UUID : 2ed78bfb:aed805bf:7cc7e04b:e56f1342 Creation Time : Fri Apr 8 13:25:23 2005 Raid Level : raid5 Used Dev Size : 243175808 (231.91 GiB 249.01 GB) Array Size : 486351616 (463.82 GiB 498.02 GB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 2 Update Time : Tue Feb 17 03:03:09 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : 84604560 - correct Events : 7264378 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 0 8 2 0 active sync /dev/sda2 0 0 8 2 0 active sync /dev/sda2 1 1 8 18 1 active sync /dev/sdb2 2 2 8 34 2 active sync /dev/sdc2 -- /dev/sda3: Magic : a92b4efc Version : 00.90.00 UUID : 3232683c:698319a4:67aa8320:ae8fa7c7 Creation Time : Fri Apr 8 13:26:05 2005 Raid Level : raid5 Used Dev Size : 979840 (957.04 MiB 1003.36 MB) Array Size : 1959680 (1914.07 MiB 2006.71 MB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 3 Update Time : Mon Feb 16 02:52:56 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : e71af0bd - correct Events : 4932 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 0 8 3 0 active sync /dev/sda3 0 0 8 3 0 active sync /dev/sda3 1 1 8 19 1 active sync /dev/sdb3 2 2 8 35 2 active sync /dev/sdc3 -- /dev/sdb: Magic : a92b4efc Version : 00.90.00 UUID : bf83863b:a8bafec0:572233db:f8753364 Creation Time : Mon Apr 4 15:03:04 2005 Raid Level : raid5 Used Dev Size : 244197440 (232.88 GiB 250.06 GB) Array Size : 488394880 (465.77 GiB 500.12 GB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 0 Update Time : Tue Apr 5 00:13:02 2005 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : f4340955 - correct Events : 668 Layout : left-symmetric Chunk Size : 64K 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 2 2 8 32 2 active sync /dev/sdc -- /dev/sdb1: Magic : a92b4efc Version : 00.90.00 UUID : bdf8a233:fcf6d2af:d7771298:fac716f4 Creation Time : Mon Apr 11 01:47:39 2005 Raid Level : raid1 Used Dev Size : 40064 (39.13 MiB 41.03 MB) Array Size : 40064 (39.13 MiB 41.03 MB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 1 Update Time : Tue Feb 17 03:02:49 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : c24e20b7 - correct Events : 2972 Number Major Minor RaidDevice State this 1 8 17 1 active sync /dev/sdb1 0 0 8 1 0 active sync /dev/sda1 1 1 8 17 1 active sync /dev/sdb1 2 2 8 33 2 active sync /dev/sdc1 -- /dev/sdb2: Magic : a92b4efc Version : 00.90.00 UUID : 2ed78bfb:aed805bf:7cc7e04b:e56f1342 Creation Time : Fri Apr 8 13:25:23 2005 Raid Level : raid5 Used Dev Size : 243175808 (231.91 GiB 249.01 GB) Array Size : 486351616 (463.82 GiB 498.02 GB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 2 Update Time : Tue Feb 17 03:03:09 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : 84604572 - correct Events : 7264378 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 1 8 18 1 active sync /dev/sdb2 0 0 8 2 0 active sync /dev/sda2 1 1 8 18 1 active sync /dev/sdb2 2 2 8 34 2 active sync /dev/sdc2 -- /dev/sdb3: Magic : a92b4efc Version : 00.90.00 UUID : 3232683c:698319a4:67aa8320:ae8fa7c7 Creation Time : Fri Apr 8 13:26:05 2005 Raid Level : raid5 Used Dev Size : 979840 (957.04 MiB 1003.36 MB) Array Size : 1959680 (1914.07 MiB 2006.71 MB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 3 Update Time : Mon Feb 16 02:52:56 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : e71af0cf - correct Events : 4932 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 1 8 19 1 active sync /dev/sdb3 0 0 8 3 0 active sync /dev/sda3 1 1 8 19 1 active sync /dev/sdb3 2 2 8 35 2 active sync /dev/sdc3 -- /dev/sdc: Magic : a92b4efc Version : 00.90.00 UUID : bf83863b:a8bafec0:572233db:f8753364 Creation Time : Mon Apr 4 15:03:04 2005 Raid Level : raid5 Used Dev Size : 244197440 (232.88 GiB 250.06 GB) Array Size : 488394880 (465.77 GiB 500.12 GB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 0 Update Time : Tue Apr 5 00:13:02 2005 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : f4340967 - correct Events : 668 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 2 8 32 2 active sync /dev/sdc 0 0 8 0 0 active sync /dev/sda 1 1 8 16 1 active sync /dev/sdb 2 2 8 32 2 active sync /dev/sdc -- /dev/sdc1: Magic : a92b4efc Version : 00.90.00 UUID : bdf8a233:fcf6d2af:d7771298:fac716f4 Creation Time : Mon Apr 11 01:47:39 2005 Raid Level : raid1 Used Dev Size : 40064 (39.13 MiB 41.03 MB) Array Size : 40064 (39.13 MiB 41.03 MB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 1 Update Time : Tue Feb 17 03:02:49 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : c24e20c9 - correct Events : 2972 Number Major Minor RaidDevice State this 2 8 33 2 active sync /dev/sdc1 0 0 8 1 0 active sync /dev/sda1 1 1 8 17 1 active sync /dev/sdb1 2 2 8 33 2 active sync /dev/sdc1 -- /dev/sdc2: Magic : a92b4efc Version : 00.90.00 UUID : 2ed78bfb:aed805bf:7cc7e04b:e56f1342 Creation Time : Fri Apr 8 13:25:23 2005 Raid Level : raid5 Used Dev Size : 243175808 (231.91 GiB 249.01 GB) Array Size : 486351616 (463.82 GiB 498.02 GB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 2 Update Time : Tue Feb 17 03:03:09 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : 84604584 - correct Events : 7264378 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 2 8 34 2 active sync /dev/sdc2 0 0 8 2 0 active sync /dev/sda2 1 1 8 18 1 active sync /dev/sdb2 2 2 8 34 2 active sync /dev/sdc2 -- /dev/sdc3: Magic : a92b4efc Version : 00.90.00 UUID : 3232683c:698319a4:67aa8320:ae8fa7c7 Creation Time : Fri Apr 8 13:26:05 2005 Raid Level : raid5 Used Dev Size : 979840 (957.04 MiB 1003.36 MB) Array Size : 1959680 (1914.07 MiB 2006.71 MB) Raid Devices : 3 Total Devices : 3 Preferred Minor : 3 Update Time : Mon Feb 16 02:52:56 2009 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : e71af0e1 - correct Events : 4932 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State this 2 8 35 2 active sync /dev/sdc3 0 0 8 3 0 active sync /dev/sda3 1 1 8 19 1 active sync /dev/sdb3 2 2 8 35 2 active sync /dev/sdc3 -- --- /proc/cmdline root=/dev/md2 ro --- grub: kernel /vmlinuz-2.6.26-1-686 root=/dev/md2 ro kernel /vmlinuz-2.6.26-1-686 root=/dev/md2 ro single kernel /vmlinuz-2.6.18-6-686 root=/dev/md2 ro kernel /vmlinuz-2.6.18-6-686 root=/dev/md2 ro single