From owner-freebsd-hackers@FreeBSD.ORG  Sat Oct  9 20:53:34 2004
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To: miha@ghuug.org
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	<200410091617.26794.miha@ghuug.org> <xzp8yafsvwz.fsf@dwp.des.no>
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From: des@des.no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=)
Date: Sat, 09 Oct 2004 22:53:25 +0200
In-Reply-To: <200410091701.01987.miha@ghuug.org> (Mikhail P.'s message of
 "Sat, 9 Oct 2004 17:01:01 +0000")
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cc: freebsd-hackers@freebsd.org
Subject: Re: ad0: FAILURE - WRITE_DMA
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"Mikhail P." <miha@ghuug.org> writes:
> Well, there is no pattern.  [...]

Could be bad cables, could be bad drives.  Environmental factors are a
more likely cause, though.  Are all the failing disks in the same
machine?  If they're in separate machines, are those rack-mount, or
are they standing on a table or shelf?  If a shelf, what kind?  What's
the ambient temperature in the machine room?

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no