linux-kernel - Re: What does this scsi error mean ?

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Message-ID: <20070115231452.3528bd32@localhost.localdomain>
Date:	Mon, 15 Jan 2007 23:14:52 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Olivier Galibert <galibert@...ox.com>
Cc:	"Hack inc." <linux-kernel@...r.kernel.org>
Subject: Re: What does this scsi error mean ?

> Both smart and the internal blade diagnostics say "everything is a-ok
> with the drive, there hasn't been any error ever except a bunch of
> corrected ECC ones, and no more than with a similar drive in another
> working blade".  Hence my initial post.  "Hardware error" is kinda
> imprecise, so I was wondering whether it was unexpected controller
> answer, detected transmission error, block write error, sector not
> found...  Is there a way to have more information?

Well the right place to look would indeed have been the SMART data
providing the drive didn't get into a state it couldn't update it.
Hardware error comes from the drive deciding something is wrong (or a
raid card faking it I guess). That covers everything from power
fluctuations and overheating through firmware consistency failures and
more.

If you pull the drive and test it in another box does it show the same ?
And what does a scsi verify have to say ?

Alan
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