From: Jan Ceuleers <jan.ceuleers@computer.org>
To: Michele Bonera <mbonera@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Problems after reshaping of Raid5 array
Date: Tue, 30 Nov 2010 18:00:54 +0100 [thread overview]
Message-ID: <4CF52DC6.4020606@computer.org> (raw)
In-Reply-To: <1291061079.5909.84.camel@bellatrix.morrisoft.local>
On 29/11/10 21:04, Michele Bonera wrote:
> The problem is that I added a device partition (sdc1) but after the
> crash the array has sdc (the device) as one of his components. The
> partition table on the disk was wiped-out.
>
> The result is that the filesystem on it (dev/md6) is unreadable and
> fsck.ext3 can't fix it.
Right. This is consistent with what I've seen as well.
I can't help you repair this filesystem, but when you do my suggestion
remains to change the partition types of the RAID members. This is
because I've noticed that the in-kernel RAID detection and assembly code
sometimes gets it wrong (leading to the kinds of symptoms you've
reported), whereas mdadm run from the initrd does not.
next prev parent reply other threads:[~2010-11-30 17:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-29 17:24 Problems after reshaping of Raid5 array Michele Bonera
2010-11-29 19:12 ` Jan Ceuleers
2010-11-29 20:04 ` Michele Bonera
2010-11-30 17:00 ` Jan Ceuleers [this message]
2010-11-29 21:45 ` Neil Brown
2010-11-30 7:23 ` Michele Bonera
2010-11-30 19:45 ` Jan Ceuleers
2010-12-03 7:03 ` Michele Bonera
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