ceph存储删除mon节点命令

admin

[root@ceph1 deploy]# ceph-deploy mon destroy compute3
' F/ I& g0 o9 N* ~8 X) o; W' ?. [  U[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:
[ceph_deploy.cli][INFO  ]  username                      : None
0 g$ E( `9 K  f[ceph_deploy.cli][INFO  ]  verbose                       : False
" r/ F7 R+ n2 R! b5 |( y4 M[ceph_deploy.cli][INFO  ]  overwrite_conf                : False
: H6 z3 h: Q# e( H2 r- S[ceph_deploy.cli][INFO  ]  subcommand                    : destroy
& h- H- k* M' W[ceph_deploy.cli][INFO  ]  quiet                         : False
4 v5 ?* Q3 u$ y" N. Q* t; F[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']
[ceph_deploy.cli][INFO  ]  func                          : <function mon at 0x7f32cff05410>
+ p/ R- h; O& B5 P" E( q/ t4 v[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
[ceph_deploy.cli][INFO  ]  default_release               : False
[ceph_deploy.mon][DEBUG ] Removing mon from compute3
[compute3][DEBUG ] connected to host: compute3
- Y  U1 ^2 e# C+ }4 `[compute3][DEBUG ] detect platform information from remote host
[compute3][DEBUG ] detect machine type
6 S: Q' i) J3 I. D& G[compute3][DEBUG ] find the location of an executable
[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
[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
  R/ W! a, ~' [0 i[compute3][INFO  ] polling the daemon to verify it stopped
5 j4 j+ g" X/ b" E% U' Z/ m6 s[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

admin

这样就清除了mon节点了。
ceph -s
+ C, a2 W  l% F3 C" I......
' w1 k( e5 G, F* \) H0 e  services:
$ \" H, @3 f3 s! R5 T4 N- ~    mon: 5 daemons, quorum ceph1,ceph2,ceph3,compute1,compute2 (age 22h)
5 f6 ^: c5 n2 m* h" K    mgr: ceph2(active, since 22h), standbys: compute3, compute2, ceph1, compute1, ceph3
; |% X6 M! e! I0 o& o. ]    osd: 36 osds: 31 up (since 21h), 31 in (since 4m); 165 remapped pgs
........
* j. f3 k  z' Z: l: ^

admin

[root@hostceph1 deploy]#  ceph-deploy --overwrite-conf mon  destroy hostceph1
( O) I7 v; R, P4 n3 E[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
  S" Y' n: i0 T/ l[ceph_deploy.cli][INFO  ] Invoked (2.0.1): /usr/bin/ceph-deploy --overwrite-conf mon destroy hostceph1
6 G0 ]% v* {+ v$ z[ceph_deploy.cli][INFO  ] ceph-deploy options:
! ^( y# o8 ?7 J0 m) c8 D0 O& [[ceph_deploy.cli][INFO  ]  username                      : None
2 I  n* v* X* J) d* _3 l4 ?[ceph_deploy.cli][INFO  ]  verbose                       : False
( e& C3 {) L6 @0 W6 }* \% y& H[ceph_deploy.cli][INFO  ]  overwrite_conf                : True
[ceph_deploy.cli][INFO  ]  subcommand                    : destroy
5 W% Q" a! G* K5 g. m! Z! e, C[ceph_deploy.cli][INFO  ]  quiet                         : False
[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7fed29235e60>
[ceph_deploy.cli][INFO  ]  cluster                       : ceph
: m3 J+ s$ Z7 |2 ^6 w7 i5 K[ceph_deploy.cli][INFO  ]  mon                           : ['hostceph1']
. H' o( I' t. K+ T" h[ceph_deploy.cli][INFO  ]  func                          : <function mon at 0x7fed29289410>
[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
, ?: L: C5 ]3 Y& c5 f[ceph_deploy.cli][INFO  ]  default_release               : False
[ceph_deploy.mon][DEBUG ] Removing mon from hostceph1
. S8 `* X( V2 E( Q[hostceph1][DEBUG ] connected to host: hostceph1
[hostceph1][DEBUG ] detect platform information from remote host
0 o% t) m6 D( A7 M# p[hostceph1][DEBUG ] detect machine type
; w1 z7 ]0 h& l$ {# h; I[hostceph1][DEBUG ] find the location of an executable
[hostceph1][DEBUG ] get remote short hostname
0 \# ?% c; _& |2 w2 Z& w7 d- H* \[hostceph1][INFO  ] Running command: ceph --cluster=ceph -n mon. -k /var/lib/ceph/mon/ceph-hostceph1/keyring mon remove hostceph1
5 _- h8 }; \" ]7 ~( b& ?[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
" @) y0 \! b4 j5 I: C  J[hostceph1][INFO  ] Running command: mkdir -p /var/lib/ceph/mon-removed
7 n5 [6 U9 e* o" X5 U6 H. i[hostceph1][DEBUG ] move old monitor data
[root@hostceph1 deploy]#