[Openstack-operators] Live migration using Volume backed virtual machines - is it possible ? live snapshots ?

Endre Karlson endre.karlson at gmail.com
Tue Nov 6 14:20:13 UTC 2012

Interesting stuff
Den 6. nov. 2012 11:51 skrev "Steve Anderson" <dafridgie at gmail.com>

> Hi,
> I've built out a multi node Folsom install in the lab and have attached
> Swift1.7.4 to glance, ceph 0.53 to nova volume. i can boot from volume
> successfully , so my next step is to see if Live migration can be used to
> move these Vms between hypervisors. However all the documentation i can
> find points to using conventional virtual machines and shared storage
> resources.
> Is anyone aware of a method that we can use currently to enable live
> migration for volume backed virtual machines ?
> Also, we would like to take live snapshots of volumes with VMs connected
> (ceph backed via nova-volume) for 2 purposes:
> 1 - backup of the actual volume data (storing in swift would be ideal)
> 2 - backup of virtual machines that are volume backed (instead of instance
> based snapshot)
> Is anyone aware if this is possible within the openstack space? i
> appreciate i could use ceph to directly snapshot volumes but I'd like these
> snapshots easily consumable by users.
> any advice or guidance would be really apprecaited
> Cheers
> Steve a
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