Thanks Robert for your advice. We are using cephadm container based set-up. So, ceph orch will do.
Thanks, Gagan On Fri, Nov 21, 2025 at 1:08 PM Robert Sander <[email protected]> wrote: > Hi, > > Am 21.11.25 um 5:11 AM schrieb gagan tiwari: > > > We are getting an increasing number of RX errors on > the > > ports on some of the nodes in the cluster including mon , mds and osd > > nodes > > > > In an attempt to fix it , we plan to replace SFPs / cables on these > nodes. > > > > I think I will need to temp remove those nodes one by one from > > the cluster and replace the network cables / SFPs and add them back to > > cluster > > > > So, plz let me know the best / safest way to proceed. > > With the cephadm orchestrator you can use > > ceph orch host maintenance enter HOSTNAME > > do your stuff > > ceph orch host maintenance exit HOSTNAME > > for each host in a row. > > Without the orchestrator you can use > > ceph osd set-group noout HOSTNAME > > do your stuff > > ceph osd unset-group noout HOSTNAME > > for each host. > > But never two hosts at the same time. > > > 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 > _______________________________________________ > ceph-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > _______________________________________________ ceph-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
