From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Haas <florian@hastexo.com>
Subject: Re: librbd: error finding header
Date: Mon, 09 Jul 2012 18:30:56 +0200
Message-ID: <4FFB0740.3050709@hastexo.com>
References: <4FFA6F35.4040102@bashkirtsev.com> <4FFA9E6D.7030207@inktank.com> <4FFAB273.6030605@bashkirtsev.com>
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To: Vladimir Bashkirtsev <vladimir@bashkirtsev.com>
Cc: Dan Mick <dan.mick@inktank.com>, ceph-devel@vger.kernel.org

On 07/09/12 12:29, Vladimir Bashkirtsev wrote:
> On 09/07/12 18:33, Dan Mick wrote:
>> Vladimir: you can do some investigation with the rados command.  What
>> does
>> rados -p rbd ls show you?
> Rather long list of:
> rb.0.11.000000002786
> rb.0.d.0000000054a2
> rb.0.6.000000002eb5
> rb.0.d.000000008294
> rb.0.13.000000000377
> rb.0.e.000000000629
> rb.0.6.000000002756
> rb.0.d.000000006156
> rb.0.d.000000009b82
> rb.0.5.000000000c9e
> rb.0.d.0000000080ba
> rb.0.f.000000000e75
> rb.0.6.00000000ab4f
> rb.0.d.0000000048e4
> rb.0.d.000000005f67
> rb.0.13.0000000014ad
> rb.0.d.00000000e074
> rb.0.f.000000001a4b
> rb.0.13.0000000004a3
> ...
> 
> How to find out to which image these objects belong?

"rbd info" would tell you the block prefix for the image you're looking
at. Or does that command give you an "error opening image" message as well?

Cheers,
Florian