[openstack-dev] [nova][libvirt] RFC: ensuring live migration ends

Daniel P. Berrange berrange at redhat.com
Mon Feb 2 10:58:07 UTC 2015

On Sun, Feb 01, 2015 at 11:20:08AM -0800, Noel Burton-Krahn wrote:
> Thanks for bringing this up, Daniel.  I don't think it makes sense to have
> a timeout on live migration, but operators should be able to cancel it,
> just like any other unbounded long-running process.  For example, there's
> no timeout on file transfers, but they need an interface report progress
> and to cancel them.  That would imply an option to cancel evacuation too.

There has been periodic talk about a generic "tasks API" in Nova for managing
long running operations and getting information about their progress, but I
am not sure what the status of that is. It would obviously be applicable to
migration if that's a route we took.

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