[openstack-dev] [nova][libvirt] Block migrations and Cinder volumes
Joe Gordon
joe.gordon0 at gmail.com
Wed Mar 18 17:59:19 UTC 2015
On Wed, Mar 18, 2015 at 3:09 AM, Daniel P. Berrange <berrange at redhat.com>
wrote:
> On Wed, Mar 18, 2015 at 08:33:26AM +0100, Thomas Herve wrote:
> > > Interesting bug. I think I agree with you that there isn't a good
> solution
> > > currently for instances that have a mix of shared and not-shared
> storage.
> > >
> > > I'm curious what Daniel meant by saying that marking the disk
> shareable is
> > > not
> > > as reliable as we would want.
> >
> > I think this is the bug I reported here:
> https://bugs.launchpad.net/nova/+bug/1376615
> >
> > My initial approach was indeed to mark the disks are shareable: the
> patch (https://review.openstack.org/#/c/125616/) has comments around the
> issues, mainly around I/Ocache and SELinux isolation being disabled.
>
> Yep, those are both show stopper issues. The only solution is to fix the
> libvirt API for this first.
>
Thanks for the clarification, is there a bug tracking this in libvirt
already?
>
> Regards,
> Daniel
> --
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