HP XP Racks - Manual (Page 154)

A 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration example
Figure 83 (page 154) shows an example of a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration.
Figure 83 Example of a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) Configuration
Preparing the hardware (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration)
Table 38 (page 154) lists the prerequisite hardware and Table 39 (page 155) provides the storage
system settings for using Business Continuity Manager in a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J
Z) configuration.
Table 38 Prerequisite Hardware (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) Configuration)
Remarks Description Item
– One unit each for the primary and remote sites. Host
Only a configuration that has one storage system for
each site is allowed. One XP12000/XP10000, XP24000/XP20000,
XP P9500 disk array, or XP7 storage at each
site (3 storage systems in total)
1
Storage system
The system can only operate with a path from the
primary site to the intermediate site (forward direction). Between the primary site and intermediate site:
Bidirectional physical path connected by Link between storage
systems (physical path)
However, when operations from the remote site or use
of the Reverse Resync function is planned, connect a
bidirectional path beforehand.
appropriately configured fiber channel ports.
(A reverse direction path is recommended but
not mandatory.)
– Between the intermediate site and remote site:
Bidirectional physical path connected by
appropriately configured fiber channel ports
(mandatory).
154 Configuration definitions