After you have completed the FRU replacement in a two-node MetroCluster configuration, you can perform the MetroCluster switchback operation. This returns the configuration to its normal operating state, with the sync-source storage virtual machines (SVMs) on the formerly impaired site now active and serving data from the local disk pools.
About this task
This task only applies to two-node MetroCluster configurations.
Steps
- Verify that all nodes are in the enabled state: metrocluster node show
Example
cluster_B::> metrocluster node show
DR Configuration DR
Group Cluster Node State Mirroring Mode
----- ------- -------------- -------------- --------- --------------------
1 cluster_A
controller_A_1 configured enabled heal roots completed
cluster_B
controller_B_1 configured enabled waiting for switchback recovery
2 entries were displayed.
- Verify that resynchronization is complete on all SVMs: metrocluster vserver show
- Verify that any automatic LIF migrations being performed by the healing operations were completed successfully: metrocluster check lif show
- Perform the switchback by using the metrocluster switchback command from any node in the surviving cluster.
- Verify that the switchback operation has completed: metrocluster show
Example
The switchback operation is still running when a cluster is in the
waiting-for-switchback state:
cluster_B::> metrocluster show
Cluster Configuration State Mode
-------------------- ------------------- ---------
Local: cluster_B configured switchover
Remote: cluster_A configured waiting-for-switchback
The switchback operation is complete when the clusters are in the normal state.:
cluster_B::> metrocluster show
Cluster Configuration State Mode
-------------------- ------------------- ---------
Local: cluster_B configured normal
Remote: cluster_A configured normal
If a switchback is taking a long time to finish, you can check on the status of in-progress baselines by using the metrocluster config-replication resync-status show command.
- Reestablish any SnapMirror or SnapVault configurations.