From: Peter Rabbitson <rabbit+list@rabbit.us>
To: Neil Brown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: BUG: possible array corruption when adding a component to a degraded raid5 (possibly other levels too)
Date: Mon, 28 Jan 2008 12:54:23 +0100 [thread overview]
Message-ID: <479DC26F.1030008@rabbit.us> (raw)
In-Reply-To: <18333.48601.218262.452373@notabene.brown>
Neil Brown wrote:
> On Monday January 28, rabbit+list@rabbit.us wrote:
>> Hello,
>>
>> It seems that mdadm/md do not perform proper sanity checks before adding a
>> component to a degraded array. If the size of the new component is just right,
>> the superblock information will overlap with the data area. This will happen
>> without any error indications in the syslog or otherwise.
>
> I thought I fixed that.... What versions of Linux kernel and mdadm are
> you using for your tests?
>
Linux is 2.6.23.14 with everything md related compiled in (no modules)
mdadm - v2.6.4 - 19th October 2007 (latest in debian/sid)
Peter
next prev parent reply other threads:[~2008-01-28 11:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-28 10:05 BUG: possible array corruption when adding a component to a degraded raid5 (possibly other levels too) Peter Rabbitson
2008-01-28 11:34 ` Neil Brown
2008-01-28 11:54 ` Peter Rabbitson [this message]
2008-01-29 0:38 ` Neil Brown
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