I/O error crash poweredge 6600 debian

[Jérémie Bourdon]

Hello,

I've got a big problem on my dell poweredge 6600 - debian sarge 2.4.26nfs #1 SMP
Sometimes (once per 2 days), the server crashes (I have to shutdown and reboot with the power button).

There is a continuously repeated error on the screen:

    I/O ERROR DEV 08:02 SECTOR 3179344*

* It's the same sector each time !  

When i reboot, e2fsck runs but nothing special except some inode i_blocks errors (fixed)
There isn't any log about this I/O error.

Questions :
1) Does someone know anything about this kind of error ?
2) What can I do in order to avoid the crash when such an error occurs ?

Thank you.


Here is my conf:
----------------------------------------------------------------------------------------------
servlma:/# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 06 Lun: 00
  Vendor: BNCHMARK Model: DLT1             Rev: 5032
  Type:   Sequential-Access                ANSI SCSI revision: 02
Host: scsi3 Channel: 00 Id: 00 Lun: 00
  Vendor: MegaRAID Model: LD 0 RAID1   34G Rev: 1.72
  Type:   Direct-Access                    ANSI SCSI revision: 02
Host: scsi3 Channel: 00 Id: 01 Lun: 00
  Vendor: MegaRAID Model: LD 1 RAID5   69G Rev: 1.72
  Type:   Direct-Access                    ANSI SCSI revision: 02
Host: scsi3 Channel: 04 Id: 06 Lun: 00
  Vendor: PE/PV    Model: 1x8 SCSI BP      Rev: 0.31
  Type:   Processor                        ANSI SCSI revision: 02

----------------------------------------------------------------------------------------------
servlma:/# cat /proc/scsi/megaraid/3
LSI Logic MegaRAID 1.72 254 commands 16 targs 5 chans 7 luns

----------------------------------------------------------------------------------------------
servlma:/# cat /etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>               <dump>  <pass>
/dev/sda2       /               ext2    errors=remount-ro       0       1
/dev/sda3       none            swap    sw                      0       0
proc            /proc           proc    defaults                0       0
/dev/fd0        /floppy         auto    user,noauto             0       0
/dev/cdrom      /cdrom          iso9660 ro,user,noauto          0       0
/dev/sda4       /var    ext2    defaults                        0       2
/dev/sdb1       /home   ext2    defaults                        0       1

---------------------------------------------------------------------------------------------- 

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