Steven Dake (stdake) <[email protected]> wrote:
Saverio,
We sorted this out in Kolla with the Nova community defining the upgrade
process. Michal (cc) led that work in the Kolla community. I believe you
need to upgrade compute ahead of other services so the upgrade works
properly, but I'm not certain.
The last time I heard, Nova required controller first, then computes:
http://www.danplanet.com/blog/2015/06/26/upgrading-nova-to-kilo-with-minimal-downtime/
(Note the order of steps 3 and 5.)
Same is true for neutron: you upgrade controller, then compute/network node
agents, never the other way around.
Ihar
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