集群剔除ceph分布式存储mon节点的步骤
# ceph mon state2: 3 mons at {NM01-bk-01=,NM01-bk-02=,NM01-bk-03=}, election epoch 10, leader 0 NM01-bk-01, quorum 0,2 NM01-bk-01,NM01-bk-03
# ceph mon remove NM01-bk-02
removing mon.NM01-bk-02 at , there will be 2 monitors
# ceph -s
cluster:
id: aead19cc-4-43b7-baec-7ea5c1c3d615
health: HEALTH_WARN
mons are allowing insecure global_id reclaim
services:
mon: 2 daemons, quorum NM01-bk-01,NM01-bk-03 (age 3s)
mgr: NM01-AZ1OCPM-bk-01(active, since 2h), standbys: NM01-bk-03
osd: 5 osds: 5 up (since 102m), 5 in (since 102m)
data:
pools: 0 pools, 0 pgs
objects: 0 objects, 0 B
usage: 155 GiB used, 9.1 TiB / 9.2 TiB avail
pgs:
# ceph mon stat
e3: 2 mons at {NM01-bk-01=,NM01-bk-03=}, election epoch 12, leader 0 NM01-bk-01, quorum 0,1 NM01-bk-01,NM01-bk-03
# ceph -s
cluster:
id: aead19cc-f694-43b7-baec-7ea5c1c3d615
health: HEALTH_WARN
mons are allowing insecure global_id reclaim
services:
mon: 2 daemons, quorum NM01-bk-01,NM01-03 (age 19s)
mgr: NM01-bk-01(active, since 2h), standbys: NM01-bk-03
osd: 5 osds: 5 up (since 102m), 5 in (since 102m)
data:
pools: 0 pools, 0 pgs
objects: 0 objects, 0 B
usage: 155 GiB used, 9.1 TiB / 9.2 TiB avail
pgs:
ceph已经剔除mon节点出局。
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