Should /etc/ceph/ceph.conf be edited manually on Ceph nodes when a Monitor daemon is deployed or removed?

Solution Verified - Updated -


  • The mon_host parameter in the Ceph configuration file /etc/ceph/ceph.conf lists entries of existing Monitor (MON) nodes.

    [user@mgmt ~]$ sudo cephadm shell
    [ceph: root@mgmt /]# cat /etc/ceph/ceph.conf
    # minimal ceph.conf for a722c732-0c4a-4e72-925b-17832de820b7
        fsid = a722c732-0c4a-4e72-925b-17832de820b7
        mon_host = [v2:,v1:] [v2:,v1:] [v2:,v1:]
    public network =
  • What happens to the mon_host entries when a MON daemon is deployed or removed?


  • Red Hat Ceph Storage 5.3
  • Red Hat Enterprise Linux (RHEL) 8

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