Verifying a successful switchback

After performing the switchback, you want to confirm that all aggregates and storage virtual machines (SVMs) are switched back and online.

1. Verify that the switched-over data aggregates are switched back: aggr show

   Example

   In the following example, aggr_b2 on node B2 has switched back:

   node_B_1::> aggr show
   Aggregate     Size Available Used% State   #Vols  Nodes            RAID Status
   --------- -------- --------- ----- ------- ------ ---------------- ------------
   ...
   aggr_b2    227.1GB   227.1GB    0% online       0 node_B_2   raid_dp,
                                                                      mirrored,
                                                                      normal
   
   node_A_1::> aggr show
   Aggregate     Size Available Used% State   #Vols  Nodes            RAID Status
   --------- -------- --------- ----- ------- ------ ---------------- ------------
   ...
   aggr_b2          -         -     - unknown      - node_A_1        
   
2. Verify that all sync-destination SVMs on the surviving cluster are dormant (showing an Admin State of stopped) and the sync-source SVMs on the disaster cluster are up and running: vserver show -subtype sync-source

   Example

   node_B_1::> vserver show -subtype sync-source
                                  Admin      Root                       Name    Name
   Vserver     Type    Subtype    State      Volume     Aggregate       Service Mapping
   ----------- ------- ---------- ---------- ---------- ----------      ------- -------
   ...
   vs1a        data    sync-source
                                  running    vs1a_vol   node_B_2        file    file
                                                                        aggr_b2
                                                    
   node_A_1::> vserver show -subtype sync-destination 
                                  Admin      Root                         Name    Name
   Vserver            Type    Subtype    State      Volume     Aggregate  Service Mapping
   -----------        ------- ---------- ---------- ---------- ---------- ------- -------
   ...
   cluster_A-vs1a-mc  data    sync-destination
                                         stopped    vs1a_vol   sosb_      file    file
                                                                          aggr_b2
   
   

   Sync-destination aggregates in the MetroCluster configuration have the suffix "-mc" automatically appended to their name to help identify them.

3. Confirm that the switchback operations succeeded by using the metrocluster operation show command.

   If the command output shows...	Then...
   That the switchback operation state is successful.	The switchback process is complete and you can proceed with operation of the system.
   That the switchback operation or switchback-continuation-agent operation is partially successful.	Perform the suggested fix provided in the output of the metrocluster operation show command.