集群剔除ceph分布式存储mon节点的步骤

admin

[root@NM01-bk-01 ~]# ceph mon stat
e2: 3 mons at {NM01-bk-01=[v2:10.117.19.201:3300/0,v1:10.117.19.201:6789/0],NM01-bk-02=[v2:10.117.19.202:3300/0,v1:10.117.19.202:6789/0],NM01-bk-03=[v2:10.117.19.203:3300/0,v1:10.117.19.203:6789/0]}, election epoch 10, leader 0 NM01-bk-01, quorum 0,2 NM01-bk-01,NM01-bk-03
[root@NM01-bk-01 ~]# ceph mon remove NM01-bk-02
  E$ ^' N9 T5 q2 |3 _6 R7 n! Lremoving mon.NM01-bk-02 at [v2:10.117.19.202:3300/0,v1:10.117.19.202:6789/0], there will be 2 monitors
[root@NM01-bk-01 ~]# ceph -s
3 n# e1 O7 u: w4 P! Y  cluster:
    id:     aead19cc-4-43b7-baec-7ea5c1c3d615
) Q2 u# }) l8 B+ o    health: HEALTH_WARN
8 q6 J1 l* h  j2 m3 ~, E            mons are allowing insecure global_id reclaim
1 O2 k. n2 Q# r3 x  e0 q, `2 ~8 B
  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)

; W0 Z+ W- B9 ~! j  data:
    pools:   0 pools, 0 pgs
' L0 f# }3 z# s4 z2 b    objects: 0 objects, 0 B
    usage:   155 GiB used, 9.1 TiB / 9.2 TiB avail
    pgs:     

* k3 ?, M1 X, z3 Q[root@NM01-bk-01 ~]# ceph mon stat
2 |( Z5 z7 R4 m8 z/ y% [e3: 2 mons at {NM01-bk-01=[v2:10.117.19.201:3300/0,v1:10.117.19.201:6789/0],NM01-bk-03=[v2:10.117.19.203:3300/0,v1:10.117.19.203:6789/0]}, election epoch 12, leader 0 NM01-bk-01, quorum 0,1 NM01-bk-01,NM01-bk-03
[root@NM01-bk-01 ~]# ceph -s
) i% K* b# o  K# ?+ M# M) s  cluster:
    id:     aead19cc-f694-43b7-baec-7ea5c1c3d615
    health: HEALTH_WARN
            mons are allowing insecure global_id reclaim

3 @  Z2 n7 ~/ {' Q  A  services:
    mon: 2 daemons, quorum NM01-bk-01,NM01-03 (age 19s)
2 y  B0 d% L: X- \$ X* y3 ?5 z    mgr: NM01-bk-01(active, since 2h), standbys: NM01-bk-03
    osd: 5 osds: 5 up (since 102m), 5 in (since 102m)

  data:
* D5 T, p6 @, v7 s    pools:   0 pools, 0 pgs
% a+ m4 @+ T" q    objects: 0 objects, 0 B
    usage:   155 GiB used, 9.1 TiB / 9.2 TiB avail
/ t3 `5 L% i; o9 \    pgs:     
  g* @" S+ u: O/ z1 C+ @1 h) G4 w
ceph已经剔除mon节点出局。

1 u7 i% ^; b, Y% k% z8 R
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