[rdo-users] Rdo train to ussuri upgrade

[Alfredo Moralejo Alonso]

On Mon, Nov 30, 2020 at 2:08 PM Ignazio Cassano <ignaziocassano at gmail.com>
wrote:

> Hello Alfredo,
> sorry for my mistake.
> I wrote "Looking at rdo repo, seems ussuri packages are available for
> centos 7" instead of
> "Looking at rdo repo, seems train packages are available for centos 8"
> Have you ever tried ?
>

No, I didn't do an actual upgrade but it should be possible to just
reinstall OS controller by controller, install required packages, configure
and keep working with same database for train. For compute nodes, you
should be able to evacuate and reinstall.

The details will depend on how you deploy it, deployment tools and layout,
how and where you run the database, etc...



> Thanks
> Ignazio
> So I think your suggestion could be the right way.
>
>
> Il giorno lun 30 nov 2020 alle ore 12:09 Alfredo Moralejo Alonso <
> amoralej at redhat.com> ha scritto:
>
>>
>>
>> On Fri, Nov 27, 2020 at 6:38 PM Ignazio Cassano <ignaziocassano at gmail.com>
>> wrote:
>>
>>> Hello All,
>>> Please anyone tried to upgrade train to ussuri and centos 7 to 8?
>>> Looking at rdo repo, seems ussuri packages are available for centos 7.
>>> So it is possibile upgrade in 2 steps?
>>> Centos 7 train to centos 7 ussuri and then centos 7 to centos 8?
>>>
>>
>> Actually, there is no Ussuri for CentOS 7. The compatible release is
>> Train which exists for both CentOS7 and CentOS8.
>>
>> My suggestion is to move Train/CentOS7 -> Train/CentOS8 -> Ussuri/CentOS8
>>
>> Best regards,
>>
>> Alfredo
>>
>>
>>> Many thanks
>>> Ignazio
>>>
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>>
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