[nova] Nova evacuate issue

David Vallee Delisle dvd at redhat.com
Thu Jan 7 20:49:25 UTC 2021

That would be great to have debug log level, it's easier to troubleshoot
migration issues.

- written my phone, please ignore the tpyos

On Thu., Jan. 7, 2021, 1:27 p.m. Jean-Philippe Méthot, <
jp.methot at planethoster.info> wrote:

> Considering that this issue happened in our production environment, it’s
> not exactly possible to try to reproduce without shutting down servers that
> are currently in use. That said, If the current logs I have are enough, I
> will try opening a bug on the bugtracker.
> Compute22, the source host, was completely dead. It refused to boot up
> through IPMI.
> It is possible that that stein fix prevented me from reproducing the
> problem in my staging environment (production is on rocky, staging is on
> stein).
> Also, it may be important to note that our neutron is split, as we use
> neutron-rpc-server to answer rpc calls. It’s also HA, as we have two
> controllers with neutron-rpc-server and the api running (and that won’t
> work anymore when we upgrade production to stein, but that’s another
> problem entirely and probably off-topic here).
> Jean-Philippe Méthot
> Senior Openstack system administrator
> Administrateur système Openstack sénior
> PlanetHoster inc.
> 4414-4416 Louis B Mayer
> Laval, QC, H7P 0G1, Canada
> Le 7 janv. 2021 à 09:26, Lee Yarwood <lyarwood at redhat.com> a écrit :
> Would you be able to trace an example evacuation request fully and
> pastebin it somewhere using `openstack server event list $instance [1]`
> output to determine the request-id etc? Feel free to also open a bug
> about this and we can just triage there instead of the ML.
> The fact that q-api has sent the
> network-vif-plugged:80371c01-930d-4ea2-9d28-14438e948b65 to n-api
> suggests that the q-agt is actually alive on compute22, was that the
> case? Note that a pre-condition of calling the evacuation API is that
> the source host has been fenced [2].
> That all said I wonder if this is somehow related too the following
> stein change:
> https://review.opendev.org/c/openstack/nova/+/603844
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