Hello,
I would like to install OS updates on the ceph cluster and activate a second 10gb port on the OSD nodes, so I wanted to verify the correct steps to perform maintenance on the cluster. We are only using rbd to back our xenserver vm's at this point, and our cluster consists of 3 OSD nodes, 3 Mon nodes and 1 admin node... So would this be the correct steps:
1. Shut down VM's?
2. run "ceph osd set noout" on admin node
3. install updates on each monitoring node and reboot one at a time.
4. install updates on OSD nodes and activate second 10gb port, reboot one OSD node at a time
5. once all nodes back up, run "ceph osd unset noout"
6. bring VM's back online
Does this sound correct?
Cheers,
Mike
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