From: Dan Mick <dan.mick@inktank.com>
To: Vladimir Bashkirtsev <vladimir@bashkirtsev.com>
Cc: ceph-devel@vger.kernel.org
Subject: Re: librbd: error finding header
Date: Mon, 09 Jul 2012 02:03:41 -0700 [thread overview]
Message-ID: <4FFA9E6D.7030207@inktank.com> (raw)
In-Reply-To: <4FFA6F35.4040102@bashkirtsev.com>
Vladimir: you can do some investigation with the rados command. What does
rados -p rbd ls show you?
On 07/08/2012 10:42 PM, Vladimir Bashkirtsev wrote:
> Hello,
>
> I just hit this error:
>
> error opening image sip.logics.net.au: (2) No such file or directory
> 2012-07-09 15:03:59.935835 7ffbe0673780 -1 librbd: error finding
> header: (2) No such file or directory
>
> Googled around and found that Oliver Francke had similar issue back in
> March. Read your responses but still unclear where to start to dig.
> Just upgraded from 0.47.3 to 0.48, done rolling upgrade and all RBD
> images are OK with exception of this one. Notably as upgrade was done
> while VM was up it continued to run unaffected (ie all data inside of
> VM was written and read as nothing happened). It makes me think that
> there no data loss but mere broken header.
>
> Of course I have a backup of VM and can pull it back in no time but I
> am really interested (and I am sure other ceph users) how to recover
> from such failures?
>
> Regards,
> Vladimir
> --
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next prev parent reply other threads:[~2012-07-09 9:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 5:42 librbd: error finding header Vladimir Bashkirtsev
2012-07-09 9:03 ` Dan Mick [this message]
2012-07-09 10:29 ` Vladimir Bashkirtsev
2012-07-09 16:30 ` Florian Haas
2012-07-10 3:28 ` Vladimir Bashkirtsev
2012-07-09 17:47 ` Dan Mick
2012-07-10 3:29 ` Vladimir Bashkirtsev
[not found] ` <4FFBA108.3010009@bashkirtsev.com>
[not found] ` <4FFBB74F.2050702@inktank.com>
2012-07-10 9:25 ` Vladimir Bashkirtsev
2012-07-10 20:08 ` Josh Durgin
2012-07-12 2:40 ` Vladimir Bashkirtsev
2012-07-12 4:41 ` Josh Durgin
2012-07-12 16:00 ` Tommi Virtanen
2012-07-13 13:06 ` Vladimir Bashkirtsev
2012-07-14 0:34 ` Josh Durgin
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