HP XP Racks - Manual (Page 270)

Figure 101 Example of copy groups defined in a 4x4x4 Delta Resync configuration (2x2x2)
Preparing the hardware (4x4x4 Delta Resync configuration)
The following tables describe the prerequisite hardware and the storage system settings required
to use Business Continuity Manager in a 4x4x4 Delta Resync configuration.
Table 83 Prerequisite hardware (4x4x4 Delta Resync configuration)
Remarks Description Item
You need the local-site
and remote-site hosts One host computer is required for each of the primary, local, and remote sites. Host
when using Business
Continuity Manager on
the local and remote
sites.
Configuration
limitations may exist. One or more XP12000, XP24000, XP P95000 disk arrays, or XP7 storage are
required for each site. Storage system
Consult your HP
Representative for
detailed information
about the availability
of specific features for
the array models being
used.
-- A physical path connected by appropriately configured fiber channel ports is
required between storage systems as follows: Link between storage
systems (physical
path)
•
A bidirectional path between the storage systems at the primary site and the
local site (for logical paths)
•
A bidirectional path between the storage systems at the primary site and the
remote site (for logical paths)
•
A bidirectional path between the storage systems at the local site and the
remote site (for logical paths)
•
A bidirectional path between the storage systems at the primary site and the
local site (for Delta Resync control)
•
A bidirectional path between the storage systems at the primary site and the
remote site (for Delta Resync control)
•
A bidirectional path between the storage systems at the local site and the
remote site (for Delta Resync control)
•
A unidirectional path from the supervisor disk controller at the remote site to
each subordinate disk controller (for an arbitration path)
270 Configuration definitions