Update grub failed on Debain Squeeze

Hello,

I have a server with a Debian Squeeze and I've just updated with a aptitude dist-upgrade command.

But grub fail to install, I get a message unknown filesystem.

Here is some more informations :

fsvsrv1:/dev/disk/by-id# /usr/sbin/grub-probe --device-map=/boot/grub/device.map --target=fs -v /boot/grub

/usr/sbin/grub-probe: info: the size of hd0 is 3907029168.

/usr/sbin/grub-probe: info: the size of hd1 is 3907029168.

/usr/sbin/grub-probe: info: the size of hd2 is 3907029168.

/usr/sbin/grub-probe: info: the size of hd0 is 3907029168.

/usr/sbin/grub-probe: info: the size of hd1 is 3907029168.

/usr/sbin/grub-probe: info: the size of hd2 is 3907029168.

/usr/sbin/grub-probe: info: changing current directory to /dev.

/usr/sbin/grub-probe: info: changing current directory to vg1.

/usr/sbin/grub-probe: info: changing current directory to vg2.

/usr/sbin/grub-probe: info: changing current directory to dri.

/usr/sbin/grub-probe: info: changing current directory to snd.

/usr/sbin/grub-probe: info: changing current directory to by-path.

/usr/sbin/grub-probe: info: changing current directory to net.

/usr/sbin/grub-probe: info: changing current directory to shm.

/usr/sbin/grub-probe: info: changing current directory to mapper.

/usr/sbin/grub-probe: info: opening md0.

/usr/sbin/grub-probe: error: unknown filesystem.

fsvsrv1:/dev/disk/by-id# cat /proc/mdstat

Personalities : [raid1] [raid6] [raid5] [raid4]

md2 : active raid5 sda3[0] sdc3[2] sdb3[1]

3092848384 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]

md1 : active raid5 sda2[0] sdc2[2] sdb2[1]

773213184 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]

md0 : active raid1 sda1[0] sdb1[2] sdc1[1]

20479936 blocks [3/3] [UUU]

unused devices: <none>

fsvsrv1:/dev/disk/by-id# fdisk -u -l

Disk /dev/sda: 2000.4 GB, 2000398934016 bytes

255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xe0ccbfa8

Device Boot Start End Blocks Id System

/dev/sda1 * 2048 40962047 20480000 fd Linux raid autodetect

/dev/sda2 40962048 814175471 386606712 fd Linux raid autodetect

/dev/sda3 814175472 3907024064 1546424296+ fd Linux raid autodetect

Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes

255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x0002f8f0

Device Boot Start End Blocks Id System

/dev/sdb1 * 2048 40962047 20480000 fd Linux raid autodetect

/dev/sdb2 40962048 814175471 386606712 fd Linux raid autodetect

/dev/sdb3 814175472 3907024064 1546424296+ fd Linux raid autodetect

Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes

255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x000866eb

Device Boot Start End Blocks Id System

/dev/sdc1 * 2048 40962047 20480000 fd Linux raid autodetect

/dev/sdc2 40962048 814175471 386606712 fd Linux raid autodetect

/dev/sdc3 814175472 3907024064 1546424296+ fd Linux raid autodetect

Disk /dev/md0: 21.0 GB, 20971454464 bytes

2 heads, 4 sectors/track, 5119984 cylinders, total 40959872 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

Disk /dev/md0 doesn't contain a valid partition table

Disk /dev/md1: 791.8 GB, 791770300416 bytes

2 heads, 4 sectors/track, 193303296 cylinders, total 1546426368 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 65536 bytes / 131072 bytes

Disk identifier: 0x00000000

Disk /dev/md1 doesn't contain a valid partition table

Disk /dev/md2: 3167.1 GB, 3167076745216 bytes

2 heads, 4 sectors/track, 773212096 cylinders, total 6185696768 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 65536 bytes / 131072 bytes

Disk identifier: 0x00000000

Disk /dev/md2 doesn't contain a valid partition table

Disk /dev/dm-0: 1073.7 GB, 1073741824000 bytes

255 heads, 63 sectors/track, 130541 cylinders, total 2097152000 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 65536 bytes / 131072 bytes

Disk identifier: 0x00000000

Disk /dev/dm-0 doesn't contain a valid partition table

Disk /dev/dm-1: 322.1 GB, 322122547200 bytes

255 heads, 63 sectors/track, 39162 cylinders, total 629145600 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 65536 bytes / 131072 bytes

Disk identifier: 0x00000000

Disk /dev/dm-1 doesn't contain a valid partition table

fsvsrv1:/dev/disk/by-id# aptitude show grub

Paquet : grub

État: installé

Automatiquement installé: non

Version : 0.97-64

Priorité : optionnel

Section : admin

Responsable : GRUB Maintainers <address@hidden>

Taille décompressée : 143 k

Dépend: grub-pc, debconf (>= 0.5) | debconf-2.0

Fourni par : grub-legacy

Description : gestionnaire d'amorçage GRUB (paquet factice)

Ceci est un paquet factice de transition pour gérer les mises à niveau.

Remarque : ce paquet dépend de « grub-pc » qui met à niveau votre système vers GRUB 2. Si vous voulez continuer à utiliser l'ancien GRUB, il est fournit dans le

paquet « grub-legacy ».

Thank you.

Regards,

Sylvain Zabé

From:	Zabé Informatique
Subject:	Update grub failed on Debain Squeeze
Date:	Wed, 2 Nov 2011 23:52:03 +0100