HP XP Racks - Manual (Page 52)

Figure 11 Relationship between 4x4 configuration storage system settings and Business Continuity
Manager definitions
To register an EXCTG when the copy operation is performed in the forward direction, specify
EXCTG ID(Forward). To register an EXCTG when the copy operation is performed in the reverse
direction, specify EXCTG ID(Reverse).
NOTE: The order of the I/O command executions on each copy pair does not always match the
order in the copy pair definition.
Replication products and data center configurations
This section describes possible combinations for data center configurations and the replication
products that can be managed with Business Continuity Manager.
52 Business Continuity Manager with replication products