Once ActiveCluster has been enabled, replication can also be terminated by unstretching it. This might be done for a variety of reasons, such as to change the pod volume membership, or maybe the replication was temporarily enabled to migrate the volumes from one array to another.
The act of terminating replication is called unstretching. To unstretch a pod, remove the array which no longer needs to host the volumes. For example, take the below pod:
The pod has two arrays; sn1-x70-b05-33 and sn1-x70-c05-33. Since this pod is online, both arrays offer up the volumes in the pod. If I want the volumes to only remain on sn1-x70-c05-33, I would then remove the other FlashArray, sn1-x70-b05-33.
Before removing a FlashArray from a pod, ensure that the volumes in the pod are disconnected from any host or host group on the FlashArray to be removed from the pod. Purity will not allow a pod to be unstretched if the FlashArray chosen for removal has existing host connections to volumes in the pod.
To remove a FlashArray, choose the appropriate pod and inside of the Arrays panel, click on the trash icon next to the array to be removed.
When it has been confirmed that it is the proper array to remove, click the Remove button to confirm the removal.
On the FlashArray that was removed, under the Pods tab, the pod will be listed in the Destroyed Pods panel.
If the unstretch was done in error, go back to the FlashArray Web Interface that remains in the pod and add the other FlashArray back. This will remove the pod from the Destroyed Pods status back to active.
The pod can be instant re-stretched for 24 hours. At 24 hours, the removed FlashArray will permanently remove its references to the pod. Permanent removal can be forced early by selecting the destroyed pod and clicking the trash icon next to it.
Click Eradicate to confirm the removal.