Re: [libvirt] [PATCH 00/16 v5] Implement migration v3 protocol

["Daniel P. Berrange" <berrange redhat com>]

On Tue, May 17, 2011 at 05:56:36PM +0800, Wen Congyang wrote:
> At 05/16/2011 10:24 PM, Daniel P. Berrange Write:
> > On Thu, May 12, 2011 at 05:04:36PM +0100, Daniel P. Berrange wrote:
> >> An update of
> >>
> >>   http://www.redhat.com/archives/libvir-list/2011-May/msg00605.html
> >>
> >> Changes in this series
> >>
> >>  - Fix comments from previous review
> >>  - Rebase to latest GIT
> >>
> >> Also pullable from
> >>
> >>   http://gitorious.org/~berrange/libvirt/staging/commits/migrate-locking-3
> >>
> >> NB, this branch includes the migration + lock manager series
> >> in one big set.
> > 
> > I've pushed this series now. There will be a couple of follow up patches
> > to add some further enhancements before next release.
> 
> I test migration 3 times. libvirtd crashed twice and may be deadlock once.
> I do not find the reason of the problem.
> 
> Here is command line:
> # virsh migrate --p2p --tunnelled vm1 qemu+tls://<dest OS>/system


Is 'vm1' a transient, or persistent guest ?

I have identified a flaw with handling of transient guests, which
has the same behaviour you describe. Persistent guests though are
reliable unless the --undefine-source flag is set with virsh.


Daniel
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