[openstack-dev] [Nova] why don't we deal with "claims" when live migrating an instance?
clint at fewbar.com
Wed Jan 15 22:34:37 UTC 2014
Hi Chris. Your thread may have gone unnoticed as it lacked the Nova tag.
I've added it to the subject of this reply... that might attract them. :)
Excerpts from Chris Friesen's message of 2014-01-15 12:32:36 -0800:
> When we create a new instance via _build_instance() or
> _build_and_run_instance(), in both cases we call instance_claim() to
> reserve and test for resources.
> During a cold migration I see us calling prep_resize() which calls
> How come we don't need to do something like this when we live migrate an
> instance? Do we track the hypervisor overhead somewhere in the instance?
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