HP XP P9000 Business Continuity Manager User Guide (T5253-96086, November 2013)

Table 40 Required Configuration Files (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) Configuration)
RemarksDescriptionItem
—Disk configuration definition files are
required for primary, intermediate, and
remote sites.
Disk configuration
definition file
From the route list, you can omit the
remote site for the forward direction, and
Prepare the following route lists by
referring to: Table 41 (page 153)
Route list definition file
and command device
definition file the primary site for the reverse direction.
• Route list that is required when all
sites are available
If they are omitted, the routes are:
Primary → Intermediate (for the forward
• Route list used when a failure occurs
at a site (recommended)
direction), Remote → Intermediate (for
the reverse direction).
This item is not necessary if you use
Remote Web Console to set up logical
paths.
The following path sets are required for
logical paths.
Path set definition file
• 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).
A definition file for the Cnt Ac-S Z and
Cnt Ac-J Z copy groups are required.
Copy group definition
file
• Set this item before starting a copy
operation.
• If the Cnt-Ac S Consistency
Preservation Function is not used, the
copy pair update sequence might
become inconsistent in some cases
(such as a line error).
• If you use the Cnt Ac-J Z ATTIME
suspend function, enable the Cnt Ac-S
Z timestamp transfer mode.
The following table describes the route lists necessary for operation in a 3DC Cascade (Cnt Ac-S
Z x Cnt Ac-J Z) configuration.
Table 41 Required route list (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration)
Route list needed in Business Continuity ManagerRemote site
condition
Intermediate site
condition
Primary site
condition
Host on which Business
Continuity Manager is
started
Primary → Intermediate → RemoteUsableUsableUsablePrimary host
Primary → IntermediateUnusableUsableUsable
Primary
#
UsableUnusableUsable
UnusableUnusableUsable
Remote → Intermediate → PrimaryUsableUsableUsableRemote host
NoneUsableUnusableUsable
Remote → IntermediateUsableUsableUnusable
NoneUsableUnusableUnusable
Legend:
Defining a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration 153