Preparing the hardware (3dc multi-target (cnt, Ac-s z x cnt ac-j z) – HP XP Racks User Manual
Page 177
Preparing the hardware (3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z) configuration)
lists the prerequisite hardware and
lists the storage system
settings for using Business Continuity Manager in a 3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z)
configuration.
Table 48 Prerequisite Hardware (3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z) Configuration)
Remarks
Description
Item
–
One unit each for the primary site, local site,
and remote site
Host
Only a configuration that has one storage system for
each site is allowed.
One XP12000, XP24000, XP P9500 disk array,
or XP7 storage at each site (3 storage systems
in total)
Storage system
Physical paths between the primary site and local
site, and between the primary site and remote site,
must always be established.
Bidirectional physical path connected by
appropriately configured fiber channel ports
between the primary site and local site, between
Link between storage
systems (physical path)
the primary site and remote site, and between
the local site and remote site.
Table 49 Storage System Setting Items (3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z) Configuration)
Remarks
Description
Item
Use Remote Web Console for the setup.
A journal group is required for the primary site
and remote site.
Journal group
Timer type: Local.
One or more journal volumes are required for
both the primary site and remote site.
Journal volume
Use Business Continuity Manager for the setup.
Prepare the command device used for the route
list (See
Command device
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 local site (for
both directions).
•
An inter-disk controller logical path is
required between the primary site and
remote site (for both directions).
Preparing the Configuration Files (3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z)
Configuration)
lists the configuration files required for using Business Continuity Manager in
a 3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z) configuration.
Table 50 Required Configuration Files (3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z) Configuration)
Remarks
Description
Item
—
Disk configuration definition files are required
for primary, local, and remote sites.
Disk configuration
definition file
Set this up before starting a copy operation. If the
Cnt Ac-S Consistency Preservation function is not
Definition files for the Cnt Ac-S and Cnt Ac-J
copy groups are required.
Copy group definition
file
used, the consistency of a copy pair volume update
sequence might not be preserved in some cases (such
as a line error).
—
The route list defined for a 3DC Multi-Target
(Cnt Ac-S Z x Cnt Ac-J Z) configuration must
Route list definition file
and command device
definition file
differ from that for a 3DC Cascade (Cnt Ac-S Z
Defining a 3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z) configuration 177