honestly that seems like a very useful feature to ask for... specifically
for upgrading qemu.

-matt

On Wed, May 13, 2015 at 11:19 AM, Daniel P. Berrange <[email protected]>
wrote:

> On Wed, May 13, 2015 at 03:08:47PM +0000, Matt Van Winkle wrote:
> > So far, your assessment is spot on from what we've seen.  A migration
> > (if you have live migrate that's even better) should net the same result
> > for QEMU.  Some have floated the idea of live migrate within the same
> > host.  I don't know if nova out of the box would support such a thing.
>
> Localhost migration (aka migration within the same host) is not something
> that is supported by libvirt/KVM. Various files QEMU has on disk are based
> on the VM name/uuid and you can't have 2 QEMU processes on the host having
> the files at the same time, which precludes localhost migration working.
>
> Regards,
> Daniel
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