From mboxrd@z Thu Jan  1 00:00:00 1970
From: Josh Durgin <josh.durgin@dreamhost.com>
Subject: Re: rbd snap
Date: Fri, 23 Sep 2011 11:25:13 -0700
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On 09/23/2011 11:08 AM, Martin Mailand wrote:
> Hi,
> is it possible to access snapshots without to rollback the head of the
> rbd volumen?
> Because I want to do a snapshot of a vm running via librbd and qemu, and
> use the snapshot to make a offsite backup of the vm.

Yup, you can export it from a given snapshot:

     rbd export --snap snapname image /path/to/destination