[Openstack-operators] Migrating an instance to a host with less cores fails

Chris Friesen chris.friesen at windriver.com
Fri Sep 25 18:43:50 UTC 2015

On 09/25/2015 12:34 PM, Steve Gordon wrote:

> Nikola's reply got bounced because he isn't subscribed, but:
> """
> Thanks Steve!
> So the below is likely the same root cause as this bug:
> https://launchpad.net/bugs/1461777
> Which has been fixed in Liberty and backported to stable/kilo (see
> https://review.openstack.org/#/c/191594/)
> Updating your lab to the latest stable/kilo release (2015.1.1) will
> likely fix the problem for you.
> Let me know if this helps!

My concern with that patch is that it only applies if there is no numa topology 
for the instance.  I think it's possible to specify hugepages but not CPU 
pinning, in which case there would still be a numa topology for the instance, it 
just wouldn't have pinned CPUs in it.


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