[Openstack-operators] Venom vulnerability

Matt Van Winkle mvanwink at rackspace.com
Wed May 13 16:44:35 UTC 2015

Yeah, something like that would be handy.

From: matt <matt at nycresistor.com<mailto:matt at nycresistor.com>>
Date: Wednesday, May 13, 2015 10:29 AM
To: "Daniel P. Berrange" <berrange at redhat.com<mailto:berrange at redhat.com>>
Cc: Matt Van Winkle <mvanwink at rackspace.com<mailto:mvanwink at rackspace.com>>, "openstack-operators at lists.openstack.org<mailto:openstack-operators at lists.openstack.org>" <openstack-operators at lists.openstack.org<mailto:openstack-operators at lists.openstack.org>>
Subject: Re: [Openstack-operators] Venom vulnerability

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


On Wed, May 13, 2015 at 11:19 AM, Daniel P. Berrange <berrange at redhat.com<mailto:berrange at redhat.com>> 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.

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