[Openstack-operators] Openstack release compatibility

haad haaaad at gmail.com
Tue Oct 31 07:13:15 UTC 2017


We have an OSA installation with 10-12 compute nodes running Mitaka on
Ubuntu 16.04. As initially we have not prepared any long term update
strategy we would like to create one now. Plan would be to upgrade it to
new OSA release(Ocata/Pike/Queens) in near future.

Our original plan was to update management/networking/backend at once by
using rolling updates to newer release and then upgrade compute nodes one
by one to new release.. I think that [2] provides a general upgrade manual.
Is there any document describing how are different OSA releases compatible
? Is there any policy in place about backward compatibility ?

[1] https://etherpad.openstack.org/p/osa-newton-xenial-upgrade
[2] https://wiki.openstack.org/wiki/Upgrade-with-minimal-downtime



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