View the replication status of the ONTAP cluster rings
You can view the status of cluster replication rings to help you diagnose cluster-wide problems. If your cluster is experiencing problems, support personnel might ask you to perform this task to assist with troubleshooting efforts.
Steps
- 
To display the status of cluster replication rings, use the
cluster ring showcommand at the advanced privilege level. 
Example of displaying cluster ring-replication status
The following example displays the status of the VLDB replication ring on a node named node0:
cluster1::> set -privilege advanced
Warning: These advanced commands are potentially dangerous; use them only when directed to do so by support personnel.
Do you wish to continue? (y or n): y
cluster1::*> cluster ring show -node node0 -unitname vldb
          Node: node0
     Unit Name: vldb
        Status: master
         Epoch: 5
   Master Node: node0
    Local Node: node0
      DB Epoch: 5
DB Transaction: 56
 Number Online: 4
      RDB UUID: e492d2c1-fc50-11e1-bae3-123478563412
Learn more about cluster ring show in the ONTAP command reference.