[Rdo-list] Upgrade from Icehouse to Juno on Centos 6.5

[Steve Gordon]

----- Original Message -----
> From: "Cristian Falcas" <cristi.falcas at gmail.com>
> To: "Chris" <contact at progbau.de>
> 
> You should move them to other compute nodes:
> 
> http://docs.openstack.org/openstack-ops/content/maintenance.html

In relation to this, something to watch out for at the moment:

https://bugs.launchpad.net/nova/+bug/1402813

> On Tue, Dec 16, 2014 at 11:59 AM, Chris <contact at progbau.de> wrote:
> > Hi,
> >
> > What about the Instances running on the Compute Nodes? It's totally not an
> > option to "lose" the existing Instances.
> >
> > -----Original Message-----
> > From: Cristian Falcas [mailto:cristi.falcas at gmail.com]
> > Sent: Tuesday, December 16, 2014 14:47
> > To: Chris
> > Cc: rdo-list at redhat.com
> > Subject: Re: [Rdo-list] Upgrade from Icehouse to Juno on Centos 6.5
> >
> > I think it will be better to redeploy the compute nodes from scratch.
> > Juno is supported on el7 only.
> >
> > From my experience with upgrading from 6 to 7, it's a lot of hassle,
> > because the upgrade process only takes care of base the programs.
> > After the upgrade you will have to upgrade/downgrade/remove manually the
> > packages that where not updated.
> >
> > Best regards,
> > Cristian Falcas
> >
> > On Tue, Dec 16, 2014 at 6:46 AM, Chris <contact at progbau.de> wrote:
> >> Hello
> >>
> >>
> >>
> >> We have an relatively big OpenStack setup (> 150 Compute Nodes) based
> >> on CentOS 6.5 with the RDO Icehouse release.
> >>
> >> We now considering an upgrade to Juno, is there a best practice out
> >> there how to do it and how is it with the depending CentOS upgrade to
> >> 6.6 or even 7.0?
> >>
> >>
> >>
> >> Any help is appreciated!
> >>
> >>
> >>
> >> Thanks,
> >>
> >> Chris
> >>
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
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> >> Rdo-list at redhat.com
> >> https://www.redhat.com/mailman/listinfo/rdo-list
> >>
> >
> >
> 
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-- 
Steve Gordon, RHCE
Sr. Technical Product Manager,
Red Hat Enterprise Linux OpenStack Platform