HP P9000 Business Continuity Manager User Guide

Table 33 Prerequisite Hardware (3DC Configuration) (continued)
RemarksDescriptionItem
function is planned, connect a
bidirectional path beforehand.
–Between the intermediate site and remote
site: Bidirectional physical path
connected by a FCP cable (mandatory).
Table 34 Storage System Setting Items (3DC Cascade Configuration)
RemarksDescriptionItem
Use Remote Web Console for the setup.
If you use the Cnt Ac-J Z Suspend
function, set the timer type to SYSTEM.
A journal group is required for both the
intermediate site and remote site.
Timer type: LOCAL
Journal group
Use Remote Web Console for the setup.One or more journal volumes are
required for both the intermediate site
and remote site.
Journal volume
Use Business Continuity Manager for the
setup.
Two command devices are required for
each storage system (six total).
Command device
• Forward direction: Primary ->
Intermediate -> Remote:
One command device is required for
each storage system.
• Reverse direction: Remote ->
Intermediate -> Primary:
One command device is required for
each storage system.
Use Remote Web Console or Business
Continuity Manager for the setup.
Logical path
• An inter-control unit logical path is
required between the primary site and
intermediate site (for both directions).
• An inter-disk controller logical path is
required between the intermediate
site and remote site (for both
directions).
Preparing the Configuration Files (3DC Cascade Configuration)
Table 35 (page 137) lists the configuration files required for using Business Continuity Manager in
a 3DC Cascade configuration.
Table 35 Required Configuration Files (3DC Cascade Configuration)
RemarksDescriptionItem
—Disk configuration definition files are
required for primary, intermediate, and
remote sites.
Disk configuration
definition file
Set this item before starting a copy
operation. From the route list, you can
A different route list is required for both
the forward and reverse directions.
Route list definition file
and command device
definition file omit the remote site for the forward
• In the route list for the forward
direction (originated from the primary
direction, and the primary site for the
reverse direction. If they are omitted, the
site): Specify a route of Primary ->
Intermediate -> Remote
routes are: Primary -> Intermediate (for
the forward direction), Remote ->
Intermediate (for the reverse direction).
• In the route list for the reverse
direction (originated from the remote
Defining a 3DC Cascade configuration 137