[openstack-dev] [Nova][glance] Question about evacuate with no shared storage..

Joe Gordon joe.gordon0 at gmail.com
Fri Feb 21 17:38:45 UTC 2014


On Thu, Feb 20, 2014 at 9:01 PM, Sangeeta Singh <singhs at yahoo-inc.com> wrote:
> Hi,
>
> At my organization we do not use a shared storage for VM disks  but need to
> evacuate VMs  from a HV that is down or having problems to another HV. The
> evacuate command only allows the evacuated VM to have the base image. What I
> am interested in is to create a snapshot of the VM on the down HV and then
> be able to use the evacuate command by specifying the snapshot for the
> image.

libvirt supports live migration without any shared storage. TripleO
has been testing it out using this patch
https://review.openstack.org/#/c/74600/

>
> Has anyone had such a use case? Is there a command that uses snapshots in
> this way to recreate VM on a new HV.
>
> Thanks for the pointers.
>
> Sangeeta
>
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