Preparing The Configuration Files (3Dc Cascade Configuration) - HP XP P9500 Software User's Manual

Table 33 Prerequisite Hardware (3DC Configuration) (continued)
Item
Table 34 Storage System Setting Items (3DC Cascade Configuration)
Item
Journal group
Journal volume
Command device
Logical path

Preparing the Configuration Files (3DC Cascade Configuration)

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