[3530] in linux-scsi channel archive
Re: SMP 2.1.90-pre3 SCSI kernel panic
daemon@ATHENA.MIT.EDU (Michael Weller)
Mon Mar 16 06:43:57 1998
Date: Mon, 16 Mar 1998 12:41:17 +0100 (MEZ)
From: Michael Weller <eowmob@exp-math.uni-essen.de>
To: Doug Ledford <dledford@dialnet.net>
Cc: sistema@readysoft.es, linux-scsi@vger.rutgers.edu
In-Reply-To: <350D0B2A.19AF7800@dialnet.net>
On Mon, 16 Mar 1998, Doug Ledford wrote:
> automatically remap bad sectors out on the fly with those bits set. An
> alarmingly large number of SCSI drives these days ship with this bits turned
> off.
Let me add that an (IMHO even more) alarmingly large number of SCSI drives
these days ships with AWRE and ARRE bits enabled BUT NO SPARE sectors
configured to be used to backup failing disk parts, hence redering this
feature useless (but increasing the disk capacity by those sectors which
is probably the reason why it is done). Again, scsiinfo can fix it, and I
added a few lines to the docs of scsiinfo-1.7 telling you what to do.
This 'format modification' is actually what requries the low-level format.
AWRE and ARRE can be changed w/o a low-level format.
Michael.
--
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