Easily convert a SnapMirror relationship to zero recovery point objective (RPO)
Verify the network round-trip time (RTT) between the two nodes is less than 10ms.
Add a SnapMirror synchronous license to the source node.
Delete the asynchronous SnapMirror relationship: destination::> snapmirror delete -destination-path vs1:vol1
Release the asynchronous SnapMirror relationship on the source side with the option to retain the Snapshot copies: source::> snapmirror release -destination-path vs1:vol1 -relationship-info-only true Note: The default release operation (without setting relationship-info-only to true) deletes the Snapshot copies created by this relationship. This process does not allow a resync operation for a new relationship created for these volumes.
Create the synchronous SnapMirror relationship by specifying a policy of type sync-mirror or strict-sync-mirror: destination::> snapmirror create -source-path vs0:vol1 -destination-path vs1:vol1 -policy Sync Note: To create a strict synchronous relationship, use the StrictSync policy instead.
Resync the synchronous SnapMirror relationship: destination::> snapmirror resync -destination-path vs1:vol1