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    • https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/METROCLUSTER_SWITCHBACK_FAILED_-_AutoSupport_Message
      Note: The metrocluster operation show output will only report on the last metrocluster operation. If a subsequent metrocluster operation has run since the switchback failure the output will not be rel...Note: The metrocluster operation show output will only report on the last metrocluster operation. If a subsequent metrocluster operation has run since the switchback failure the output will not be relevant to the failure. From the output, identify the operation-uuid of the failed or partially failed operation: Run the metrocluster operation history show command with the identified operation uuid: Errors: Failed to validate the node and cluster components before the switchback operation.
    • https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/MCC_switchback_failed_-_The_operation_timed_out_while_waiting_for_Vserver_configuration_synchronization_to_complete
      Errors: Failed to validate the node and cluster components before the switchback operation. clusterA (non-overridable veto): The operation timed out while waiting for Vserver configuration synchroniza...Errors: Failed to validate the node and cluster components before the switchback operation. clusterA (non-overridable veto): The operation timed out while waiting for Vserver configuration synchronization to complete. Run "metrocluster vserver show -cluster clusterA" on both clusters, wait until the "Configuration State" of all Vservers is "healthy", and then retry the operation.
    • https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/METROCLUSTER_SWITCHOVER_FAILED_-_Internal_error._Unable_to_migrate_Vserver_peer_relationships
      SnapMirror peer down during switchover / switchback Autosupports METROCLUSTER SWITCHOVER FAILED after switchover/switchback is initiated: Unable to migrate Vserver peer relationships. Reason: (Failed ...SnapMirror peer down during switchover / switchback Autosupports METROCLUSTER SWITCHOVER FAILED after switchover/switchback is initiated: Unable to migrate Vserver peer relationships. Reason: (Failed to communicate with peer cluster "<external_cluster>".). This issue only affects SnapMirror/SnapVault following the otherwise successful switchover
    • https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/Switchback_failing_-_the_online_status_of_the_replication_units_in_the_cluster_could_not_be_verified
      Errors: Failed to set up the node and cluster components for the switchback operation. ClusterA (fatal): The MetroCluster DR operation was terminated because the online status of the replication units...Errors: Failed to set up the node and cluster components for the switchback operation. ClusterA (fatal): The MetroCluster DR operation was terminated because the online status of the replication units in the cluster could not be verified. Run the (privilege: advanced) "cluster ring show" command to display the status of the replication units. Try the MetroCluster DR operation again when each replication unit's "online" field shows either "master" or "secondary".