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

[Cristian Falcas]

You should move them to other compute nodes:

http://docs.openstack.org/openstack-ops/content/maintenance.html



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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>
>