HP XP P9500 Storage - Manual (Page 240)

Table 78 Prerequisite Hardware (4x4x4 Cascade Configuration)
Remarks Description Item
You need a host for a remote site when using
Business Continuity Manager at a remote site. One host computer is required for each of the
primary, intermediate, and remote sites. Host
-- One or more XP12000 or XP24000 storage
systems are required for each site. Storage system
-- A physical path connected by a Fibre Channel
cable is required between the following storage
systems: Link between storage
systems (physical path)
• A bidirectional path between the storage
systems at the primary site and the
intermediate site (for logical paths)
•
A bidirectional path between the storage
systems at the intermediate site and the remote
site (for logical paths)
•
A unidirectional path from the supervisor disk
controller to each subordinate disk controller
(for arbitration path)
Table 79 Storage System Setting Items (4x4x4 Cascade)
Setting Description Item
Use Remote Web Console for the setup. At least one arbitration command
device is required for each
subordinate disk controller. Arbitration command device
An arbitration path from the supervisor
disk controller to each subordinate
disk controller (unidirectional) Arbitration path
The remote command device is set by
mapping an arbitration command
device to the supervisor disk controller. Remote command device
A journal group is required for each
storage system between the Journal group
intermediate site and the remote site
(Timer type: SYSTEM).
Use Business Continuity Manager for
the setup. Command devices that can be used
for the route lists below are required
(See
Table 81 (page 241) ).
Command device
• Route list required when all sites
are available
•
Route list used when a failure
occurs at a site (recommended)
Use Remote Web Console or Business
Continuity Manager for the setup. Logical path • An inter-control unit logical path
(bidirectional) must be established
between the primary site and the
intermediate site.
•
An inter-disk controller logical path
(bidirectional) must be established
between the intermediate site and
the remote site.
Preparing the Configuration Files (4x4x4 Cascade)
You need to install Business Continuity Manager Cnt Ac-J Z 4x4 Extended CTG.
240 Configuration definitions