I have a cluster with three Ceph nodes. The cluster was working fine, until we move one host to other physical location, since it we have the third node down, alwaya said OSD/MON down, and degraded data redundancy objects.
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1try serverfault.com , and please read tour– Dave SCommented May 31, 2018 at 20:23
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1 Answer
The first thing to check is that the network connection is exactly the same for the nodes. Ceph doesn't like change of network settings.
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This is still true. Especially changing IP addresses of monitors is to be handled with explicit care.– itsafireCommented Aug 23, 2021 at 19:07