Adding MONs

MONs are added via a new ceph-mon unit.

  1. Ensure that the cluster is in a healthy state. On any MON (unit ceph-mon/1 is just an example) run a status check:

    juju ssh ceph-mon/1 sudo ceph status
    
  2. Add a containerised ceph-mon unit to existing machine #3:

    juju add-unit --to lxd:3 ceph-mon
    

Recall that a cluster should always have an odd number of MONs.

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