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From: Pierre Ossman <pierre-list@ossman.eu>
To: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Strange read data corruption on ext4/LVM/md
Date: Thu, 20 May 2010 16:00:49 +0200	[thread overview]
Message-ID: <20100520160049.1528772b@mjolnir.ossman.eu> (raw)
In-Reply-To: <20100520122227.16ea1cbc@mjolnir.ossman.eu>

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On Thu, 20 May 2010 12:22:27 +0200
Pierre Ossman <pierre-list@ossman.eu> wrote:

> 
> I've since constructed a script that keeps re-running the above over
> all relevant disks and keeps track of how many unique md5 values we
> get. It's been running for about 1.5 hours right now, and here are the
> results so far:
> 
> sdd - 3, sde - 4, sdf - 1, sdb - 1, sdc - 1, 
> 
> sdd and sde are both on the same controller, so the problem you
> mentioned could be relevant.
> 
> I'll let the test run for a few more hours and try moving things off
> that controller later tonight.
> 

The trend continues and the numbers are now 9 and 8 for sdd and sde and
1 for the others.

Rgds
-- 
     -- Pierre Ossman

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  reply	other threads:[~2010-05-20 14:00 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-19 20:56 Strange read data corruption on ext4/LVM/md Pierre Ossman
2010-05-19 21:04 ` Pierre Ossman
2010-05-19 21:29   ` Pierre Ossman
2010-05-19 21:34     ` Pierre Ossman
2010-05-20  7:14       ` Pierre Ossman
2010-05-20  8:57         ` Tejun Heo
2010-05-20  9:29           ` Pierre Ossman
2010-05-20  9:42             ` Tejun Heo
2010-05-20 10:22               ` Pierre Ossman
2010-05-20 14:00                 ` Pierre Ossman [this message]
2010-05-20 16:28                   ` Pierre Ossman
2010-07-15 19:38                     ` Pierre Ossman
2011-01-16 14:01                       ` Pierre Ossman

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