Re: Separating Mons and OSDs in Ceph Cluster

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On 9/9/23 09:34, Ramin Najjarbashi wrote:

The primary goal is to deploy new Monitors on different servers without
causing service interruptions or disruptions to data availability.

Just do that. New MONs will be added to the mon map which will be distributed to all running components. All OSDs will immediately know about the new MONs.

The same goes when removing an old MON.

After that you have to update the ceph.conf on each host to make the change "reboot safe".

No need to restart any other component including OSDs.

Robert Sander
Heinlein Consulting GmbH
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