Hi Cephers,
We need to add two new monitors to a production cluster (0.94.9) which has 3 existing monitors. It looks like it's as easy as ceph-deploy mon add <new mon>.
What's the best practice in terms of when to update the existing monitor and osd ceph.conf file to include the new monitors in mon_initial_members and mon_hosts? Before adding the new monitor, afterwards, or doesn't it make any difference?
Will it cause any disruption on the cluster, or is it 100% safe to do with no disruption? Any steps we can take to minimise risk?
Thanks
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