[Rdo-list] [rhos-list] Openstack Grizzly upgrade to Havana
Tim.Bell at cern.ch
Mon Oct 21 17:14:22 UTC 2013
Thanks for this effort. I'd fully support the public wiki page as it allows for explanations and incremental improvements along with the script.
Have you had a look at what it would take to do a rolling upgrade rather than down all the services ?
> -----Original Message-----
> From: rdo-list-bounces at redhat.com [mailto:rdo-list-bounces at redhat.com] On Behalf Of Diogo Vieira
> Sent: 21 October 2013 18:19
> To: Dan Smith
> Cc: Perry Myers; rdo-list
> Subject: Re: [Rdo-list] [rhos-list] Openstack Grizzly upgrade to Havana
> Thank you! Yes, it makes sense, I'll give it a try.
> Diogo Vieira
> On Oct 21, 2013, at 5:03 PM, Dan Smith <dansmith at redhat.com> wrote:
> > Hi Diogo,
> >> dansmith or larsk may be able to assist. Moving this thread to
> >> rdo-list though, since it is RDO related
> > I don't think that there are any targeted docs up anywhere yet.
> > However, I've been testing it myself to try to make sure we know what
> > the best plan of action is. I have a tool up that I use for testing
> > this, and the scenario files are fairly readable. This is the easiest
> > and most straightforward way to go:
> > https://github.com/kk7ds/test_rdo_upgrade/blob/master/scenarios/grizzl
> > y2havana.sh
> > That has stuff in it for testing the before/after cases which you
> > probably don't want to do, but the steps are basically the same.
> > Shutdown all the services, upgrade the packages on all the nodes, then
> > run the database upgrades, and then start everything back up. Note
> > that the scenario above includes a re-run of packstack, but this is
> > not really necessary.
> > To do the database upgrades, each service has a "manage" tool that
> > does low-level database management, so for nova it is:
> > nova-manage db sync
> > This tool only needs to be run once per service and the order of
> > services doesn't matter.
> > Make sense?
> > I will try to get my notes up on a public wiki page somewhere so that
> > this is available someplace other than just this email thread.
> > --Dan
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