Re: Ceph Cluster clone

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On 26.09.22 21:27, Dhairya Parmar wrote:
Can you provide some more information on this? Can you show exactly what
error you get while trying to start the cluster?

I fixed the IP/hostname part, but I cannot get the cloned cluster to start
(Monitors issues).

That means that you changed the IP addresses of the cloned hosts?

You cannot just change IP addresses, you have to rollout new MONs on the new IPs first. The MON IP is recorded in the mon map.

I.e. you would have to manually edit the mon map inside the MON DB before being able to start the cluster. And you have to edit ceph.conf.

The new cluster then still has the old cluster fsid which may or may not be an issue if you ever need to couple both clusters for replication.

Regards
--
Robert Sander
Heinlein Consulting GmbH
Schwedter Str. 8/9b, 10119 Berlin

https://www.heinlein-support.de

Tel: 030 / 405051-43
Fax: 030 / 405051-19

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Geschäftsführer: Peer Heinlein - Sitz: Berlin
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