HP XP P9000 Business Continuity Manager User Guide (T5253-96086, November 2013)

3. From the primary host, establish an inter-control unit logical path (Primary -> Local) and an
inter-disk controller logical path (Primary -> Remote).
4. From the primary host, register a command device for each of the storage systems at the
primary, local, and remote sites.
Defining a 4x4x4 Cascade Configuration 275