HP XP7 Business Continuity Manager User Guide (TK954-96005)

Table 40 Required Configuration Files (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) Configuration) (continued)
RemarksDescriptionItem
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:
Usable: The target site can be used.
Unusable: The target site cannot be used because of an error.
# Required only if the Continuous Access Synchronous Z Consistency Preservation
Function is used.
Table 42 (page 156) shows how to prepare the configuration files at each site.
Table 42 How to Prepare the Configuration Files at each site (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J
Z) Configuration)
How to PrepareContentsFile Type
At the Secondary SiteAt the Primary Site
Perform a remote scanPerform a local scanThe primary site configurationDisk configuration
definition file
Perform a remote scanPerform a remote scanThe intermediary site configuration
Perform a local scanPerform a remote scanThe remote site configuration
156 Configuration definitions