[openstack-dev] [neutron][upgrades] Potential issues when performing Neutron upgrades
blak111 at gmail.com
Mon Jul 13 21:08:44 UTC 2015
Thanks for the info. So the equivalent in neutron would be if we just
ensure backward compatible AMQP APIs, right?
On Mon, Jul 13, 2015 at 7:33 AM, Russell Bryant <rbryant at redhat.com> wrote:
> On 07/13/2015 04:09 AM, Kevin Benton wrote:
> >>because you won't have to run Neutron agents on compute nodes anymore.
> > How will upgrades work for OVN?
> We haven't written anything down yet, but here's what I expect.
> Right now we're still changing the db schema however is needed without
> messing with versioning. As we get to "production ready", I expect
> we'll start being strict about only making backwards compatible ovsdb
> schema changes to make upgrades easier.
> There are 2 central components - ovn-northd and ovsdb-server - that
> would be upgraded first, which I would expect to be done at the same
> time as upgrading your Neutron control plane. As long as any ovsdb
> schema changes are backwards compatible, you could do rolling-upgrades
> of ovn-controller on compute or network nodes.
> Russell Bryant
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