[Openstack-operators] Venom vulnerability

Daniel P. Berrange berrange at redhat.com
Wed May 13 15:19:21 UTC 2015

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.

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