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Deploying MGR Nodes

  • Perform operations in this section only on ceph1.
  • If CentOS is used, configure MGR nodes based on Configuring MGR Nodes.
  • When using ceph-deploy to operate the Ceph cluster, run the commands in the /root/ceph-mycluster/ directory.
  1. Deploy MGR nodes.
    ceph-deploy mgr create ceph1 ceph2 ceph3

  2. Check whether the MGR nodes are successfully deployed.
    1
    		 
    ceph -s
    If the following information is displayed, the deployment is successful: 
    cluster:
id:     0207ddea-2150-4509-860d-365e87420b3e
health: HEALTH_OK

services:
mon: 3 daemons, quorum ceph1,ceph2,ceph3 (age 25h)
mgr: ceph1(active, since 2d), standbys: ceph2, ceph3