[Gluster-users] [EXT] upgrading OS on gluster servers

[Felix Kölzow]

Dear Stefan,


what about your expectation on upgrading the OS to CentOS 8 Stream?

Are there any advantages?


Regards,

Felix

On 12/05/2021 12:02, Stefan Solbrig wrote:
> Hi Strahli,
>
> Thank you for the quick answer!  Sorry I have to ask again: as far as
> I can see, Gluster keeps all information about peers, bricks, in
> /var/lib/glusterd.  So if I migrate to a new OS, it seems that I have
> to restore them. Or would you suggest rather to re-generate them by
> repeating all "peer probe ..."  and "volume brick-add ..." commands?
>
> best wishes,
> Stefan
>
> --
> Dr. Stefan Solbrig
> Universität Regensburg, Fakultät für Physik,
> 93040 Regensburg, Germany
> Tel +49-941-943-2097
>
>> Am 11.05.2021 um 13:46 schrieb Strahil Nikolov <hunter86_bg at yahoo.com
>> <mailto:hunter86_bg at yahoo.com>>:
>>
>> Hi Stefan,
>>
>>
>> I would backup Gluster's dir in /etc .
>> You don't need to restore any configuration files after the update,
>> but it's good to have them backed up.
>>
>> Best Regards,
>> Strahil Nikolov
>>
>>
>>     On Tue, May 11, 2021 at 10:11, Stefan Solbrig
>>     <stefan.solbrig at ur.de <mailto:stefan.solbrig at ur.de>> wrote:
>>     Dear all,
>>
>>     I was wondering what is the prefered way to upgrade the server OS
>>     (not glusterd) for a GlusterFS.
>>     I'm running a distributed-only system (no replication) on centos
>>     7, planning an upgrade to centos 8 stream.
>>
>>     I suppose a possible way is like this:
>>
>>     * unmount file system on all clients
>>     * stop cluster
>>     * copy data in /var/lib/glusterd
>>     * upgrade all servers
>>     * restore data in /var/lib/glusterd
>>
>>     Could you please advise me if:
>>     - the files in /var/lib/glusterd  are all that is needed?
>>     - or can I regenerate these from other data?
>>
>>     best wishes,
>>     Stefan
>>
>>
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