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Hi,
I do not think that that is a healthy solution. That effectively would
render a cluster down if the compute node goes down. That would be a real
disaster. The ugly work around is setting the host names to be the same
value.
This is something that we should discuss at the next summit and I would
hope to propose a topic to talk about.
Thanks
Gary

On 2/11/15, 5:31 PM, "Matthew Booth" <mbooth at redhat.com> wrote:

>I just posted this:
>
>https://review.openstack.org/#/c/154907/
>
>as an alternative fix for critical bug:
>
>https://bugs.launchpad.net/nova/+bug/1419785
>
>I've just knocked this up quickly for illustration: it obviously needs
>plenty of cleanup. I have confirmed that it works, though.
>
>Before I take it any further, though, I'd like to get some feedback on
>the approach. I prefer this to the alternative, because the underlying
>problem is deeper than supporting evacuate. I'd prefer to be honest with
>the user and just say it ain't gonna work. The alternative would leave
>Nova running in a broken state, leaving inconsistent state in its wake
>as it runs.
>
>Matt
>
>-- 
>Matthew Booth
>Red Hat Engineering, Virtualisation Team
>
>Phone: +442070094448 (UK)
>GPG ID:  D33C3490
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>
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