[Openstack] [Cinder] volume migration between volume backends

Josh Durgin josh.durgin at inktank.com
Sat Oct 11 02:27:29 UTC 2014

On 10/07/2014 02:52 PM, Jonathan Proulx wrote:
> Hi All,
> I'm installing a new storage backend to my cinder environment and
> would *really* like to move my existing volumes to it.
> I did this once before moving from LVM on a storage nod to a SAN based
> solution with the cinder volume service running on the controller
> node.  for that case:
> cinder migrate <uuid> <new-node>
> worked just fine. The migration I want to do involves two backends on
> the same cinder-volume server.  Looking in the database I tried:
> cinder migrate <uuid> <same-node>@<new-backend>
> which did put the volume in to "migration_status=starting" with no
> error, but 3hr later doesn't seem to have done anything else.
> Is this supposed to work or am I just being crazy?
> volume server is Icehouse on Ubuntu14.04 the source backend is eqlx
> the destination is rbd.

Volume migration does not work for rbd in Icehouse. It should land in



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