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[Xen-devel] Re: domU oom -> xvda1 read-only without any notice?

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Subject: [Xen-devel] Re: domU oom -> xvda1 read-only without any notice?
From: Ferenc Wagner <wferi@xxxxxxx>
Date: Thu, 01 Apr 2010 16:09:13 +0200
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In-reply-to: <1270032395.10129.72604.camel@xxxxxxxxxxxxxxxxxxxxxx> (Ian Campbell's message of "Wed, 31 Mar 2010 11:46:35 +0100")
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Ian Campbell <Ian.Campbell@xxxxxxxxxx> writes:

> On Wed, 2010-03-31 at 10:17 +0100, Josip Rodin wrote:
> Is it possible that this (which I presume is a flag set in the
> filesystem metadata):
>> [    9.996577] EXT3-fs warning (device xvda1): ext3_clear_journal_err: 
>> Filesystem error recorded from previous mount: IO failure
>> [    9.996585] EXT3-fs warning (device xvda1): ext3_clear_journal_err: 
>> Marking fs in need of filesystem check.
> would also have caused the filesystem to reject attempts to remount,rw
> before the reboot until you rebooted and fsck ran?
> I took a look at your logs (other mail) and I can't see any mention of
> an IO error on xvda either -- I must admit I'm pretty perplexed :-(

OTOH you shouldn't be surprised about not finding anything in the logs
about the filesystem being read-only. :)  Dmesg would have a bigger
chance of containing some traces, or network logs, if present.

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