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

[Stefan Solbrig]

Dear Felix,

Support for latest server hardware and Infiniband hardware. I'm currently running on CentOS 7, but in 2024 the latest I have to migrate to a new OS anyway. (EOL for CentOS 7). 

best wishes,
Stefan

-- 
Dr. Stefan Solbrig
Universität Regensburg, Fakultät für Physik,
93040 Regensburg, Germany
Tel +49-941-943-2097

> Am 12.05.2021 um 12:09 schrieb Felix Kölzow <felix.koelzow at gmx.de>:
> 
> 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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>> 
>> 
>> 
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>> 
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> 
> 
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