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...@yahoo.com
<mailto:hunter86...@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.solb...@ur.de <mailto:stefan.solb...@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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