hi folks
I have a cluster running ceph 14.2.22 on ubuntu 18.04 and some hours
ago one of the mons stopped working and the on-call team rebooted the
node; not the mon is is not joining the ceph-cluster.
TCP ports of mons are open and reachable!
ceph health detail
HEALTH_WARN 1/3 mons down, quorum osd02,osd03
MON_DOWN 1/3 mons down, quorum osd02,osd03
mon.osd01 (rank 0) addr
[v2:10.152.28.171:3300/0,v1:10.152.28.171:6789/0] is down (out of
quorum)
I like to add a new 3rd mon to the cluster on osd04 but I'm a bit
scared as it can result in 50% of the mons are not in reach!?
Question: should I remove the mon on osd01 first and recreate the
demon before starting a new mon on osd04?
Thanks for your input!
Ansgar
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