On Mon, Aug 8, 2016 at 5:39 PM, Jason Dillaman <jdill...@redhat.com> wrote:
> Unfortunately, for v2 RBD images, this image name to image id mapping
> is stored in the LevelDB database within the OSDs and I don't know,
> offhand, how to attempt to recover deleted values from there.

Actually, to correct myself, the "rbd_id.<image id>" object just
writes the image id in binary to the file. So if you can recover that
file and retrieve its contents, you can again determine the block name
prefix in the form of "rbd_data.<image id>.<object number>".

-- 
Jason
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