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SCSI timeout rebooting Linux OS

Posted on 2004-09-21
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Last Modified: 2008-07-03
I have a server in a remote plant running RedHat 8.0. We have to use this version because 9.0  did not have a useable driver for the RAID controler we were using.  

This server seems to have crashed with only the following messages int the /var/log/messages:

Kernel: SCSI: aborting command due to time out : pid 123456789  SCSI 1, Channel 0, id 0, lun 0   Read (10) 00 0a 51 95 97 00 00 80 00

Kernel: Abort Request: in the TOP


The boot drive is a IDE drive. The drives are set to RAID 0.

After the crash, the RAID file system required a manual fsck before we could bring the system back up.

Description of the RAID controler within /etc/sysconfig/hwconfig is
"CMD Technologies Inc | Silicon Image SiI 3112 SATARaid Controller"
vendor Id: 1095
deviceID:3112
subVenderId: 15d9
subDeviceId: 6112
pciType: 1


modules.conf showes
alias scsi hostadapter  sii6512

Any idea's as to why the OS crashed instead of recovering gracefully?
Is this a software or hardware problem?

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Question by:dcellis1950
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jlevie earned 250 total points
ID: 12114609
I suppose it could be a driver problem, but the syslog entry looks more like a controller or disk fault. And given that these are SATA (essentially just fast IDE) drives I'd be more inclined to believe it to be a disk problem.

It is hard to say why the OS crashed instead of continuing without knowing what that failed I/O operation was associated with.
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