What is the benefit of using host groups in PowerStore for managing access to storage resources?

An administrator is attempting to remove a remote replication session for a test volume. The administrator selects the test volume from the Storage tab. From the More Actions dropdown list the Unassign Protection Policy is selected.
In the Unassign Protection Policy confirmation window the administrator clicks the Unassign button and receives a Modify Volume error.
What is the cause of the error?

What parameter is commonly defined in a protection policy for file storage resources?

What is the first step in the PowerStore migration process?

What parameter is commonly defined in a protection policy for virtual machines created on vVols?