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

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Message-ID: <20070118140846.GA30702@dspnet.fr.eu.org>
Date:	Thu, 18 Jan 2007 15:08:46 +0100
From:	Olivier Galibert <galibert@...ox.com>
To:	Alan <alan@...rguk.ukuu.org.uk>
Cc:	"Hack inc." <linux-kernel@...r.kernel.org>
Subject: Re: What does this scsi error mean ?

On Mon, Jan 15, 2007 at 11:14:52PM +0000, Alan wrote:
> > 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 ?

Ok, inverted the disks, got a crash of the same blade with the new
disk, so the problem is not the drive itself.  Gonna try inverting two
blades to check if it's the power supply connector/rail.

  OG.

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