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From: Froggy
Subject:
Date: Wed, 13 Apr 2011 17:14:06 +0200
User-agent: SquirrelMail/1.4.21

Hello,

My computeur have a soft raid1 for the / with sda and sde and i got for a
long time, error with grub. Im running on debian sid with last update.
I needed to reboot my computer one week ago then i go on grub rescue.
After booting on debian live CD, i was enable to use grub-install on raid
disk.

The error :
----8<--------8<--------8<--------8<--------8<--------8<----
grub-install /dev/sda
/usr/sbin/grub-probe: error: no such disk.
Auto-detection of a filesystem of /dev/md5 failed.
Please report this together with the output of "/usr/sbin/grub-probe
--device-map="/boot/grub/device.map" --target=fs -v /boot/grub" to
<address@hidden>
----8<--------8<--------8<--------8<--------8<--------8<----

The report :
----8<--------8<--------8<--------8<--------8<--------8<----
/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 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: scanning hd0 for LVM.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: scanning hd1 for LVM.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: scanning hd2 for LVM.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: scanning hd3 for LVM.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: scanning hd4 for LVM.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: scanning md/9 for LVM.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning md/5 for LVM.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning md/6 for LVM.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd0 for LVM.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: scanning hd0,msdos3 for LVM.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd0,msdos2 for LVM.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd0,msdos1 for LVM.
/usr/sbin/grub-probe: info: the size of hd0 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd1 for LVM.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: scanning hd1,msdos1 for LVM.
/usr/sbin/grub-probe: info: the size of hd1 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd2 for LVM.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: scanning hd2,msdos1 for LVM.
/usr/sbin/grub-probe: info: the size of hd2 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd3 for LVM.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: scanning hd3,msdos1 for LVM.
/usr/sbin/grub-probe: info: the size of hd3 is 2930277168.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd4 for LVM.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: scanning hd4,msdos4 for LVM.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd4,msdos3 for LVM.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd4,msdos2 for LVM.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: scanning hd4,msdos1 for LVM.
/usr/sbin/grub-probe: info: the size of hd4 is 625142448.
/usr/sbin/grub-probe: info: no LVM signature found
.
/usr/sbin/grub-probe: info: changing current directory to /dev.
/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 cpu.
/usr/sbin/grub-probe: info: changing current directory to shm.
/usr/sbin/grub-probe: info: changing current directory to network.
/usr/sbin/grub-probe: info: opening md5.
/usr/sbin/grub-probe: error: no such disk.
----8<--------8<--------8<--------8<--------8<--------8<----

And maybe it can help :

----8<--------8<--------8<--------8<--------8<--------8<----
fdisk -lu

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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: 0x667da3fb

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *          63    16787924     8393931   fd  Linux raid autodetect
/dev/sda2        16787925   331372754   157292415   fd  Linux raid autodetect
/dev/sda3       331372755   625137344   146882295   83  Linux

Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders, total 2930277168 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: 0xde31beb5

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1        32885055  2930272064  1448693505   fd  Linux raid autodetect

Disk /dev/sdc: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders, total 2930277168 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: 0x78bb76c7

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1        32885055  2930272064  1448693505   fd  Linux raid autodetect

Disk /dev/sdd: 1500.3 GB, 1500301910016 bytes
255 heads, 63 sectors/track, 182401 cylinders, total 2930277168 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: 0x843f4c0d

   Device Boot      Start         End      Blocks   Id  System
/dev/sdd1   *    32885055  2930272064  1448693505   fd  Linux raid autodetect

Disk /dev/sde: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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: 0x208c2663

   Device Boot      Start         End      Blocks   Id  System
/dev/sde1   *          63    16787924     8393931   fd  Linux raid autodetect
/dev/sde2        16787925   331372754   157292415   fd  Linux raid autodetect
/dev/sde3       331372755   620799794   144713520   83  Linux
/dev/sde4       620799795   625137344     2168775   83  Linux

Disk /dev/md5: 8594 MB, 8594263040 bytes
2 heads, 4 sectors/track, 2098208 cylinders, total 16785670 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/md5 doesn't contain a valid partition table

Disk /dev/md6: 161.1 GB, 161066310656 bytes
2 heads, 4 sectors/track, 39322829 cylinders, total 314582638 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/md6 doesn't contain a valid partition table

Disk /dev/md9: 2966.9 GB, 2966916431872 bytes
2 heads, 4 sectors/track, 724344832 cylinders, total 5794758656 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 4194304 bytes / 8388608 bytes
Disk identifier: 0x00000000

Disk /dev/md9 doesn't contain a valid partition table
----8<--------8<--------8<--------8<--------8<--------8<----

cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md9 : active raid5 sdb1[0] sdd1[3] sdc1[1]
      2897379328 blocks super 1.2 level 5, 4096k chunk, algorithm 2 [3/3]
[UUU]

md6 : active raid1 sde2[0] sda2[2]
      157291319 blocks super 1.2 [2/2] [UU]

md5 : active raid1 sde1[0] sda1[2]
      8392835 blocks super 1.2 [2/2] [UU]

----8<--------8<--------8<--------8<--------8<--------8<----

Thanks in advance,




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