# ceph --version
ceph version 10.2.5 (c461ee19ecbc0c5c330aca20f7392c9a00730367)
# ceph mon dump
dumped monmap epoch 1
epoch 1
fsid c2ec84dc-7cb3-4208-be66-27ebaa07bddc
last_changed 2016-12-20 13:12:11.664306
created 2016-12-20 13:12:11.664306
0: 172.16.217.20:6789/0 mon.mon0-217-20
1: 172.16.217.21:6789/0 mon.mon1-217-21
2: 172.16.217.22:6789/0 mon.mon2-217-22
# ceph --version
ceph version 12.2.7 (3ec878d1e53e1aeb47a9f619c49d9e7c0aa384d5) luminous (stable)
# ceph mon dump
dumped monmap epoch 1
epoch 1
fsid 03d09fad-3ee5-4616-a43e-984388c46bad
last_changed 2018-10-14 23:41:32.099740
created 2018-10-14 23:41:32.099740
0: 172.16.209.20:6789/0 mon.mon0-209-20
1: 172.16.209.21:6789/0 mon.mon1-209-21
2: 172.16.209.22:6789/0 mon.mon2-209-22
# ceph --version
ceph version 14.2.4 (75f4de193b3ea58512f204623e6c5a16e6c1e1ba) nautilus (stable)
# ceph mon dump
dumped monmap epoch 35
epoch 35
fsid 5c503097-de43-44c8-b08b-2b5c5341cc2d
last_changed 2019-12-04 14:57:01.341991
created 2019-08-30 21:07:32.252233
min_mon_release 14 (nautilus)
0: [v2:192.168.167.33:3300/0,v1:192.168.167.33:6789/0] mon.ceph-mon2
1: [v2:192.168.167.32:3300/0,v1:192.168.167.32:6789/0] mon.ceph-mon1
2: [v2:192.168.167.31:3300/0,v1:192.168.167.31:6789/0] mon.ceph-mon0
# ceph -s
cluster:
id: 5c503097-de43-44c8-b08b-2b5c5341cc2d
health: HEALTH_WARN
1 monitors have not enabled msgr2
# ceph mon enable-msgr2
※ nautilus 버전 / 새로운 v2 네트워크 프로토콜 사용
