Am 4/7/25 um 10:16 schrieb Massimo Sgaravatto:
Did I understand correctly? But doesn't this mean to have a short period of
time when the cluster is in error state (in 2, during the restart) and
therefore with possible problems on the cephfs clients ?
Your understanding of the procedure and its consequences is correct.
The CephFS clients will block IO for the time the remaining MDS is
restarted. This is similar to a restarting NFS server.
An update to the MDS may affect the metadata pool, therefor it has to be
done this way.
Regards
--
Robert Sander
Linux Consultant
Heinlein Consulting GmbH
Schwedter Str. 8/9b, 10119 Berlin
https://www.heinlein-support.de
Tel: +49 30 405051 - 0
Fax: +49 30 405051 - 19
Amtsgericht Berlin-Charlottenburg - HRB 220009 B
Geschäftsführer: Peer Heinlein - Sitz: Berlin
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