On 8/26/2015 9:30 AM, Eren Türkay wrote: > On 26-08-2015 17:17, Jonathan Proulx wrote: >> We recently upgraded from Juno to Kilo and many of our clients >> (including Horizon) are still Juno with no problems. > > Great news. That's our use case. We will have Juno clients and Kilo API endpoints. > > Thank you for your help. > > > > _______________________________________________ > OpenStack-operators mailing list > OpenStack-operators at lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators > In the case of nova, control node services need to be newer than or equal to the compute services. This is a good blog post about doing rolling upgrades for nova: http://superuser.openstack.org/articles/upgrading-nova-to-kilo-with-minimal-downtime -- Thanks, Matt Riedemann