[Openstack-operators] OSA upgrading Ubuntu14.04 Newton to Ubuntu16.04 Ocata

Amy Marrich amy at demarco.com
Wed Oct 4 14:56:03 UTC 2017

Hi Grant,

We actually have the process documented here:


It does make a few assumptions so make sure you meet them before starting.
Please join us on Freenode in the #openstack-ansible channel and we'll give
you a hand if we can.


Amy (spotz)

On Wed, Oct 4, 2017 at 9:42 AM, Grant Morley <grant at absolutedevops.io>

> Hi All,
> Just have a quick question regarding upgrading from Newton to Ocata using
> OSA. We have a small installation ( 4 compute. 3 management, 2 network and
> some Ceph storage nodes ) And we are looking to upgrade from Ubuntu 14.04
> Newton to Ubuntu 16.04  Ocata.
> Does anyone have any good tips on how to do this at all? We are not sure
> whether it is best to decommission a single node at a time, upgrade that to
> Ubuntu 16.04 and then get Ocata installed onto that. Or whether there is a
> better method at all?
> We are conscious that if we bootstrap our ansible deployer machine for
> Ocata, it will then not be able to manage the nodes that are running 14.04
> Newton we assume?
> Another thing we were thinking was to possibly get some more kit and just
> install Ocata from scratch on that and start to migrate customers over, but
> again we assume would need a separate deployer to do so?.
> We would prefer to be able to upgrade both the OS for Ubuntu and Openstack
> to Ocata using our current set up and just wondered if this was even
> possible with OSA? Unfortunately we do not have the budget to simply keep
> on getting more and more kit, so we have to be quite tactile about how we
> do things.
> We are going to test this on our dev environment and see what breaks, but
> just wondered if anyone here has come across this already and suffered the
> pain :)
> Any suggestions would be much appreciated.
> Many thanks,
> --
> Grant Morley
> Senior Cloud Engineer
> Absolute DevOps Ltd
> Units H, J & K, Gateway 1000, Whittle Way, Stevenage, Herts, SG1 2FP
> www.absolutedevops.io grant at absolutedevops.io 0845 874 0580
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