[openstack-dev] [stable] [nova] FFE for "libvirt: proper monitoring of live migration progress"

Daniel P. Berrange berrange at redhat.com
Thu Apr 9 13:59:16 UTC 2015


On Tue, Apr 07, 2015 at 12:57:40PM +0200, Ihar Hrachyshka wrote:
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> +344 new lines of code for an exception patch? No way. Let's take time
> to consider the patch outside the very next release.

Agreed, I think it needs a little more time to soak in master and get
some real world exposure before we push it to stable. Ideally some
operators would give us some positive feedback that it is working
correctly for them.

> 
> On 04/04/2015 01:31 AM, Billy Olsen wrote:
> > Hello,
> > 
> > I would like to get a FFE for patch 
> > https://review.openstack.org/#/c/162113/ which fixes an important
> > bug (https://bugs.launchpad.net/nova/+bug/1414065) in the handling
> > of the VM state during live migration.
> > 
> > This patch fixes the libvirt monitoring of a live migration
> > process, which is often needed for the use case of applying
> > maintenance to a hypervisor. This patch changes the behavior of the
> > live migration code from relying on the success of the migrateToURI
> > call to actively monitoring the state of the libvirt domains to
> > determine the status of the live migration.
> > 
> > Regards,
> > 
> > -- Billy Olsen

Regards,
Daniel
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