Preparing hardware (3dc cascade (cnt ac-j – HP XP Racks User Manual
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Preparing hardware (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)
The following tables list the prerequisite hardware and storage system settings for using Business
Continuity Manager in a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration.
Table 43 Prerequisite hardware (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)
Remarks
Description
Item
--
One host must be installed at each site.
Host
Only one storage system is allowed for
each site.
One XP P9500 disk array or XP7 storage must be installed
at each site (three storage systems are required in total).
Storage system
The paths must always be established.
Bidirectional physical path connected between appropriately
configured fibre channel ports is required between the storage
systems at the following sites:
Link between storage
systems (physical path)
•
Primary site and intermediate site
•
Intermediate site and remote site
•
Primary site and remote site
Table 44 Storage system setting items (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)
Remarks
Setting
Description
Item
--
Use Remote Web Console for the setup.
A journal set up for a 3DC (Cnt Ac-J Z x Cnt Ac-J Z)
configuration is required (timer type: SYSTEM or
LOCAL
).
Journal group
--
One or more journal volumes are required for each
site.
Journal volume
--
Use Business Continuity Manager for the
setup.
Command devices that can be used for the route lists
below are required (See
).
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.
An inter-disk controller logical path (bidirectional) is
required between the following sites:
Logical path
•
Primary site and intermediate site
•
Intermediate site and remote site
•
Primary site and remote site
Preparing the configuration files (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)
The following table describes the configuration files required for using Business Continuity Manager
in a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration.
Table 45 Required configuration files (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)
Remarks
Description
Item
--
Disk configuration definition files are required for the primary
site, intermediate site, and remote site.
Disk configuration
definition file
--
Prepare the following route lists by referring to
:
Route list definition
file and command
device definition file
•
The route list that is required when all sites are available
•
A route list used if a failure occurs at a site (recommended)
Defining a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration
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