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Error messages from IBM UltraStar 9ZX

daemon@ATHENA.MIT.EDU (Petter Adsen)
Sat Jan 16 12:38:57 1999

From: Petter Adsen <petter@nil.net>
Date: 	Sat, 16 Jan 1999 18:37:22 +0100 (MET)
To: linux-scsi@vger.rutgers.edu

I recently set up a machine with an IBM DGVS09U connected to a Tekram
DC-390F. The motherboard is an Asus P2B-D with two P-II 400Mhz. Once in
a while, I see the following error messages.

Jan 15 17:42:52 eon kernel: SCSI disk error : host 0 channel 0 id 0 lun 0 return code = 28000002 
Jan 15 17:42:52 eon kernel: extra data not valid Current error sd08:01: sns = 70  4 
Jan 15 17:42:52 eon kernel: ASC=44 ASCQ= 0 
Jan 15 17:42:52 eon kernel: Raw sense data:0x70 0x00 0x04 0x00 0x00 0x00 0x00 0x18 0x00 0x00 0x00 0x00 0x44 0x00 0x01 0x00  
Jan 15 17:42:52 eon kernel: scsidisk I/O error: dev 08:01, sector 2 

They seem to occur fairly infrequently - mostly about once or twice a
week, although I have seen them several times in one day. I have seen
this with kernels 2.1.125 up to 2.2.pre-5. The cable has been replaced,
and should be of good quality. The disk has more than adequate cooling.

How serious is this? Should I return the disk? Any help would be greatly
appreciated.

Petter

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