ceph存储删除mon节点命令

admin

[root@ceph1 deploy]# ceph-deploy mon destroy compute3
[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
[ceph_deploy.cli][INFO  ] Invoked (2.0.1): /usr/bin/ceph-deploy mon destroy compute3
[ceph_deploy.cli][INFO  ] ceph-deploy options:
, p6 c1 m7 N+ j, A, i/ n' c[ceph_deploy.cli][INFO  ]  username                      : None
[ceph_deploy.cli][INFO  ]  verbose                       : False
+ R  L9 w' U/ M[ceph_deploy.cli][INFO  ]  overwrite_conf                : False
. {) f/ ?1 Y& ^" F* ^[ceph_deploy.cli][INFO  ]  subcommand                    : destroy
5 p7 j. R" y+ a: @) L+ a5 d[ceph_deploy.cli][INFO  ]  quiet                         : False
  P1 f" C1 J' z- W/ o- Z# s[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7f32cfeb71b8>
[ceph_deploy.cli][INFO  ]  cluster                       : ceph
[ceph_deploy.cli][INFO  ]  mon                           : ['compute3']
% N' b9 x% Q! d* C[ceph_deploy.cli][INFO  ]  func                          : <function mon at 0x7f32cff05410>
: R, v- B8 i6 V. `% g[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
# m" f7 u2 Y& F' i9 X- R[ceph_deploy.cli][INFO  ]  default_release               : False
( B# J  i/ ]: C[ceph_deploy.mon][DEBUG ] Removing mon from compute3
) W$ U8 v3 w- E" w" p[compute3][DEBUG ] connected to host: compute3
[compute3][DEBUG ] detect platform information from remote host
[compute3][DEBUG ] detect machine type
5 P5 z# c6 m9 i, M[compute3][DEBUG ] find the location of an executable
, J2 Y+ X( S: Z2 E( J6 n[compute3][DEBUG ] get remote short hostname
[compute3][INFO  ] Running command: ceph --cluster=ceph -n mon. -k /var/lib/ceph/mon/ceph-compute3/keyring mon remove compute3
8 O8 N4 s  A; d6 x& Z' k- ^[compute3][WARNIN] removing mon.compute3 at [v2:172.16.7.6:3300/0,v1:172.16.7.6:6789/0], there will be 5 monitors
, a' v: |4 Y( }& Y[compute3][INFO  ] polling the daemon to verify it stopped
% h! i; t0 h# W& n1 h[compute3][INFO  ] Running command: systemctl stop ceph-mon@compute3.service
[compute3][INFO  ] Running command: mkdir -p /var/lib/ceph/mon-removed
[compute3][DEBUG ] move old monitor data
* e: `4 {0 ~1 ^  s+ |( }

admin

这样就清除了mon节点了。
6 u4 ?; x8 r1 d" U+ xceph -s
......
  services:
    mon: 5 daemons, quorum ceph1,ceph2,ceph3,compute1,compute2 (age 22h)
    mgr: ceph2(active, since 22h), standbys: compute3, compute2, ceph1, compute1, ceph3
    osd: 36 osds: 31 up (since 21h), 31 in (since 4m); 165 remapped pgs
+ T: M8 B. {; E/ T* F2 }% e........
' o# S/ b* ?) t4 @2 G
) e$ _) K/ Q1 T4 z: f, f! }

admin

[root@hostceph1 deploy]#  ceph-deploy --overwrite-conf mon  destroy hostceph1
$ h. {' y$ [! ^9 `$ |[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
* n$ {: G4 f& G/ ?[ceph_deploy.cli][INFO  ] Invoked (2.0.1): /usr/bin/ceph-deploy --overwrite-conf mon destroy hostceph1
$ C9 i0 P  K1 l! Y/ o6 b2 ][ceph_deploy.cli][INFO  ] ceph-deploy options:
* P7 u  v5 c+ v2 x9 H4 E[ceph_deploy.cli][INFO  ]  username                      : None
[ceph_deploy.cli][INFO  ]  verbose                       : False
8 S. p9 |# S' ?7 ^8 T! B. U) X[ceph_deploy.cli][INFO  ]  overwrite_conf                : True
) F* O, u$ O$ c' v0 f5 o[ceph_deploy.cli][INFO  ]  subcommand                    : destroy
[ceph_deploy.cli][INFO  ]  quiet                         : False
. q+ v/ ^9 Z- C. J) i[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7fed29235e60>
7 C; m) G6 O2 d3 L, I; k' o4 [[ceph_deploy.cli][INFO  ]  cluster                       : ceph
2 X) Q$ h' b* S[ceph_deploy.cli][INFO  ]  mon                           : ['hostceph1']
[ceph_deploy.cli][INFO  ]  func                          : <function mon at 0x7fed29289410>
[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
& `! r" h" U5 S. ?9 X9 A  Z[ceph_deploy.cli][INFO  ]  default_release               : False
" ~2 D0 `' A! m( n) b: n, g  U[ceph_deploy.mon][DEBUG ] Removing mon from hostceph1
[hostceph1][DEBUG ] connected to host: hostceph1
" e/ c4 `! h& }. X# e" H9 l[hostceph1][DEBUG ] detect platform information from remote host
# H! q, }1 K6 q[hostceph1][DEBUG ] detect machine type
: v0 i* h# c/ w  u& H3 a% j0 `[hostceph1][DEBUG ] find the location of an executable
[hostceph1][DEBUG ] get remote short hostname
( x* H- P* U- \, V2 y[hostceph1][INFO  ] Running command: ceph --cluster=ceph -n mon. -k /var/lib/ceph/mon/ceph-hostceph1/keyring mon remove hostceph1
7 H% k, {, Z9 c$ J; e/ L[hostceph1][WARNIN] No data was received after 7 seconds, disconnecting...
[hostceph1][INFO  ] polling the daemon to verify it stopped
[hostceph1][INFO  ] Running command: systemctl stop ceph-mon@hostceph1.service
[hostceph1][INFO  ] Running command: mkdir -p /var/lib/ceph/mon-removed
[hostceph1][DEBUG ] move old monitor data
; s0 M8 O3 r6 g# c2 g# G: S[root@hostceph1 deploy]#