HP XP Racks - Manual (Page 228)

Figure 93 Example of a 4x4 Configuration (1 Storage System:4 Storage System Configuration)
The supervisor DKC is a storage system that is in charge of consistency arbitration at the secondary
site. Subordinate DKCs are storage systems other than the supervisor DKC at the secondary site.
Preparing the hardware (4x4 configuration)
Table 68 (page 228) lists the prerequisite hardware and Table 69 (page 229) lists the storage system
settings for using Business Continuity Manager in a 4x4 configuration.
Table 68 Prerequisite Hardware (4x4 Configuration)
Remarks Description Item
— One unit for the primary site. If copy group operations need to be
performed from the secondary site, also one unit for the secondary
site. Host
Up to 12 DKCs for each site. Configuration limitations
may exist. Consult your HP representative for detailed Primary site: One or more XP12000/XP10000, XP24000/XP20000,
XP P9500 disk arrays, or XP7 storage Storage system
information about the availability of specific features
for the array models being used.
Secondary site: One or more XP12000/XP10000, HP
XP24000/XP20000, XP P9500 disk arrays, or XP7 storage
— Between the primary site and the secondary site: Establish a
bidirectional physical path (for logical paths) between appropriately
configured fiber channel ports. Link between storage
systems (physical path)
228 Configuration definitions