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Date:      Sun, 27 Oct 1996 18:32:05 -0500 (EST)
From:      Brian Tao <taob@io.org>
To:        Stefan Esser <se@mi.uni-koeln.de>
Cc:        FREEBSD-SCSI-L <freebsd-scsi@freebsd.org>
Subject:   Re: Wonky controller or drive?
Message-ID:  <Pine.BSF.3.95.961027182804.5225S-100000@crunch.io.org>
In-Reply-To: <199610141619.SAA04657@x14.mi.uni-koeln.de>

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On Mon, 14 Oct 1996, Stefan Esser wrote:
> 
> Hmm, I count 3 internal and two external cables ...
> I guess each internal cable is some 100cm, actually,
> at least I've yet to see a shorter cable being 
> delivered with a system. (Well, if you made it from
> components yourself this is different :)

    We have our ribbon cables custom made for the position and
orientation of our drives.  There is enough slack for the cable to
remain flexible, but not a lot of it loose inside the case.

    Anyhow, it turns out it *was* the new 4GB drive I had installed
the previous week.  It was causing the OS to report transient errors
on all the other devices on the bus as well.  I suppose this is
possible if the SCSI connector on the bad drive degrades the signal on
the wires.  The 1GB boot drive (on the same physical cable as the 4GB)
started showing more and more media errors.  A low-level format fixed
it up.  I swapped in a new 4GB drive and all is well now.
--
Brian Tao (BT300, taob@io.org, taob@ican.net)
Senior Systems and Network Administrator, Internet Canada Corp.
"Though this be madness, yet there is method in't"




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