[libvirt] virDomanMigrate on kvm fails

Kenneth Nagin NAGIN at il.ibm.com
Sun Oct 12 10:50:21 UTC 2008

>"Richard W.M. Jones" <rjones at redhat.com> wrote on 08/10/2008 11:04:58:

> On Tue, Oct 07, 2008 at 09:55:00AM +0200, Kenneth Nagin wrote:
> > virDomainMigrate fails when the domain is a kvm guest.
> > The error message is "this function is not supported by the hypervisor:
> > virDomainMigrate."
> > I tried migrating with virsh but it says it can not connected to the
> > destination host.
> > I have successfully created copies of the same image on both  so that
> > not the problem.
> > I hava also booted the same hosts with xen and virDomainMigrate worked.
> > What do you think the problem is?
> If you go back over the list you'll see that I wrote a patch for KVM
> migration, which was enhanced by Chris Lalancette, but currently this
> is on hold while KVM decide how they are going to (re-)implement
> migration.  There was a big patch posted to the KVM list on Sep 9, but
> I'm not sure how much of it went in.
> In any case, unless you want to use the unofficial patches (which will
> almost certainly not interoperate with future official versions of
> libvirt/libvirtd) you can only wait or get involved with KVM.
> Rich.
> --
> Richard Jones, Emerging Technologies, Red Hat
> Read my OCaml programming blog: http://camltastic.blogspot.com/
> Fedora now supports 68 OCaml packages (the OPEN alternative to F#)
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Thanks, we want to see if we can use the patches.  Could I receive a copy
of the patches?

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