An RDF group on a VMAX3 array is being replicated in SRDF/A mode to a remote VMAX3 array To accommodate application growth a new R1 device needs to be added to the RDF group SRDF/A consistency of the existing devices in the RDF group should be maintained when the new device is added.

What is the correct sequence of steps for adding the new R1 device and making it available for application use?