Chapter 13. Relocating an application between managed clusters

Procedure

1. On the Hub cluster navigate to Installed Operators and then click Openshift DR Hub Operator.
2. Click DRPlacementControl tab.
3. Click DRPC busybox-drpc and then the YAML view.

4. Modify action to Relocate

   DRPlacementControl modify action to Relocate

   

5. Click Save.

6. Verify if the application busybox is now running in the Primary managed cluster.The failback is to the preferredCluster ocp4perf1 as specified in the YAML file, which is where the application was running before the failover operation.

   $ oc get pods,pvc -n busybox-sample

   Example output:

   NAME          READY   STATUS    RESTARTS   AGE
   pod/busybox   1/1     Running   0          60s
   
   NAME                                STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS                  AGE
   persistentvolumeclaim/busybox-pvc   Bound    pvc-79f2a74d-6e2c-48fb-9ed9-666b74cfa1bb   5Gi        RWO            ocs-storagecluster-ceph-rbd   61s

7. Verify if busybox is running in the Secondary managed cluster. The busybox application should no longer be running on this managed cluster.

   $ oc get pods,pvc -n busybox-sample

   Example output:

   No resources found in busybox-sample namespace.