From: Luca Berra <bluca@comedia.it>
To: linux-raid@vger.kernel.org
Subject: Re: [RAID] forcing a read on a known bad block
Date: Wed, 12 Apr 2006 07:18:03 +0200 [thread overview]
Message-ID: <20060412051803.GA19309@percy.comedia.it> (raw)
In-Reply-To: <Pine.LNX.4.64.0604111232010.6603@taurus.cesta.com>
On Tue, Apr 11, 2006 at 12:37:53PM -1000, Julian Cowley wrote:
>On Tue, 11 Apr 2006, dean gaudet wrote:
>>anyhow this made me wonder if there's some other existing trick to force
>>such reads/reconstructions to occur... or perhaps this might be a useful
>>future feature.
>
>For testing RAID, what would be really nice is if there were a virtual
>disk device where one could simulate bad sectors (read or write),
>non-responsive disks, etc. It would be virtual in the same sort way
>that /dev/full simulates a full disk.
>
either use the MD "faulty" personality, or the device-mapper "error"
target.
L.
--
Luca Berra -- bluca@comedia.it
Communication Media & Services S.r.l.
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prev parent reply other threads:[~2006-04-12 5:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-11 21:57 forcing a read on a known bad block dean gaudet
2006-04-11 22:15 ` Patrik Jonsson
2006-04-11 22:37 ` [RAID] " Julian Cowley
2006-04-12 5:18 ` Luca Berra [this message]
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