HP XP Racks User Manual
Page 229

Table 68 Prerequisite Hardware (4x4 Configuration) (continued)
Remarks
Description
Item
—
Inter-storage systems at the secondary site: Establish a unidirectional
Inter-remote-disk controller physical path (for arbitration paths) from
the supervisor DKC at the secondary site to each subordinate DKC
between appropriately configured fiber channel ports.
Inter-storage systems at the primary site: If consistency must be
maintained by using the reverse resync function, establish a
unidirectional physical path (for arbitration paths) from the supervisor
DKC at the primary site to each subordinate DKC using appropriately
configured fiber channel ports.
Table 69 Storage System Setting Items (4x4 Configuration)
Remarks
Description
Item
Use Remote Web Console for the setup.
Secondary site storage system: At least one arbitration command device
is required for each subordinate DKC.
Arbitration command
device
Primary site storage system: If the Reverse Resync function is used, at
least one arbitration command device is required for each subordinate
DKC.
Use Remote Web Console for the setup.
Arbitration path
•
An arbitration path from the supervisor disk controller at the
secondary site to each subordinate disk controller.
•
An arbitration path from the supervisor disk controller at the primary
site to each subordinate disk controller.
Use Remote Web Console for the setup.
Set up a remote command device by mapping it to the supervisor disk
controller of the arbitration command device.
Remote command
device
Use Remote Web Console for the setup.
A journal group is required for each of the primary and secondary sites.
Journal group
Timer type: SYSTEM
Use Remote Web Console for the setup.
At least one journal volume is required for each journal group.
Journal volume
Use Business Continuity Manager for the setup.
Multiple Storage System: Multiple Storage System configuration: A
command device is required for each storage system (eight command
Command device
devices are required in total when using 8 XP disk arrays 4 at each
site).
Multiple Storage System: One Storage System configuration: A command
device is required for each of the primary and secondary sites (two
command devices are required in total).
One Storage System: Multiple Storage System configuration: A command
device is required for each storage system (five command devices are
required in total).
Use Remote Web Console or Business Continuity
Manager for the setup.
An inter-disk controller logical path (bidirectional) must be established
between the primary and secondary sites.
Logical path
Preparing the Configuration Files (4x4 Configuration)
You need to install Business Continuity Manager Cnt Ac-J Z 4x4 Extended CTG.
lists the configuration files required for using Business Continuity Manager in
a 4x4 configuration.
Defining a 4x4 configuration 229