Re[2]: Trashed disk
I you have an Adaptec card, you may want to check the disk using the utilities
provided with the card to test the disk (alt-A at boot time before linux is
booted).
You can also check the grown defects list with the MS-Windows utilities provided
with EZSCSI. Don't know if there is some linux utility providing the same
functionality.
good luck!
lazaro <salem@rf.no>
______________________________ Reply Separator _________________________________
Subject: RE: Trashed disk
Author: debian-user@lists.debian.org at cclink
Date: 25.09.96 08:51
>From my SCSI days of long ago...
I believe your disk is telling you that it tried to write to a sector = but
that when it went to read it back to verify the data written was = correct,
the verify failed. Typically SCSI disks will then automatically =
reallocate the bad sector with some reserved sectors at the end of the =
disk. To find out for sure if the disk is saying this, you would need = the
tech manual for your fujitsu disk and look up the codes contained in = the
sense data.
If this is the case and you're consistently seeing these messages, I'd =
say your disk is spiraling downward. Eventually the disk will run out of =
sectors to re-map and a SCSI write will fail. If Linux does not support =
its own remapping on failed writes (does anyone know if it does?) you'll =
probably get a panic, your system will halt and you'll probably have a =
hell of a time trying to repair the volume and remount it to back it up.
Your disk could last for years to come or it could fail in minutes. My =
experience with these types of failures is that they tend to spiral =
relatively quickly (hours to days). I'd back up immidiately and start =
shopping for SCSI hard drives (almost free these days).
Al Youngwerth
alberty@apexxtech.com
----------
From: Bill Wohler[SMTP:wohler@newt.com]
Sent: Tuesday, September 24, 1996 1:30 AM
To: debian-user@pixar.com
Subject: Trashed disk
Folks,
I've just noticed that I've been getting the following messages for
the last couple of weeks.
Sep 24 00:00:28 gbr kernel: scsi0: MEDIUM ERROR on channel 0, id 2, lun
0, CDB: 0x03 00 00 00 10 00=20
Sep 24 00:00:28 gbr kernel: Current error sr08:11: sns =3D f0 3
Sep 24 00:00:28 gbr kernel: ASC=3D10 ASCQ=3D 0
Sep 24 00:00:28 gbr kernel: Raw sense data:0xf0 0x00 0x03 0x00 0x06 0xc0
0xe9 0x28 0x00 0x00 0x00 0x00 0x10 0x00 0x00 0x80=20
Sep 24 00:00:28 gbr kernel: scsidisk I/O error: dev 08:11, sector 442568
My first reaction is to toss the disk, but I thought I'd see if anyone
on this list would offer that it is salvageable (and if so, what
precautions would be necessary).
It's an old Fujitsu that I bought used 2.5 years ago and it's been
running non-stop since.
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