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From: Luca Berra <bluca@comedia.it>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] Newbie: Yet another "Incorrect metadata area	header checksum"
Date: Tue, 2 Feb 2010 07:55:48 +0100	[thread overview]
Message-ID: <20100202065547.GA24147@maude.comedia.it> (raw)
In-Reply-To: <201002011828.29896.simonw@zynet.net>

On Mon, Feb 01, 2010 at 06:28:29PM +0000, Simon Waters wrote:
>Installed Debian Lenny using NetInst CD 5.0.3 i386 dated  20090906-12:06 onto 
>a DELL SC1425 with two SATA disks.
>
....
>One suggestion was to install "dmraid" and look for metadata using this.
>It produces:
> /dev/sdb: ddf1. ".ddf1_disks", GROUP, ok, 155989151 sectors, data@ 0
> /dev/sda: ddf1. ".ddf1_disks", GROUP, ok, 155989151 sectors, data@ 0
>
i believe your dell machine configured the two disks in a fakeraid,
yet Lenny does not know (you did not tell it or you forced it to ignore
the fakeraid) and tries to use the two disks independently.
This will lead to problems since at every boot the fakeraid bios will
touch the two disks.

back up your data
decide wether you want to use the fakeraid or not
configure your bios accordingly
reinstall your OS accordingly

L.

-- 
Luca Berra -- bluca@comedia.it
         Communication Media & Services S.r.l.
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  reply	other threads:[~2010-02-02  6:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-01 18:28 [linux-lvm] Newbie: Yet another "Incorrect metadata area header checksum" Simon Waters
2010-02-02  6:55 ` Luca Berra [this message]
2010-02-02 10:21   ` Simon Waters
2010-02-02 17:25     ` Simon Waters
2010-02-02 17:43       ` Stuart D. Gathman

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