Re: Strange read data corruption on ext4/LVM/md

From: Pierre Ossman
Date: Thu May 20 2010 - 10:00:59 EST

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

-- Pierre Ossman

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