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

Table 45 Required configuration files (3DC Cascade (Cnt Ac-J 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.
A path set consisting of inter-disk controller logical paths
(bidirectional) is required between the following sites:
Path set definition
file
• Primary site and intermediate site
• Intermediate site and remote site
• Primary site and remote site
HP recommends that you specify a
non-zero value for Continuous Access
Definition files for the following copy groups are required:Copy group
definition file
• Continuous Access Journal Z copy group between the primary
site and the intermediate site
M-JNL number: Any value
Journal Z copy pair mirror IDs because 0
is used for Continuous Access
Synchronous Z copy pair mirror IDs, and
R-JNL number: Any value
you might decide to change the
configuration at a later time to include
Mirror ID: A non-zero value that is different from the mirror
ID of any other Intermediate → Remote and Primary →
Remote Continuous Access Journal Z copy pairs
Continuous Access Synchronous Z copy
pairs.
• Continuous Access Journal Z copy group between the
intermediate site and the remote site
M-JNL number: Same value as the R-JNL number between
the primary site and the intermediate site
R-JNL number: Any value
Mirror ID: A non-zero value is different from the mirror ID of
any other Primary → Intermediate and Primary → Remote
Continuous Access Journal Z copy pairs
• Continuous Access Journal Z copy group between the primary
site and the remote site
M-JNL number: Same value as the M-JNL number between
the primary site and the intermediate site
R-JNL number: Same value as the R-JNL number between the
intermediate site and the remote site
Mirror ID: A non-zero value that is different from the mirror
ID of any other Primary → Intermediate and Intermediate →
Remote Continuous Access Journal Z copy pairs
The following table describes the route list required for operation in a 3DC Cascade (Cnt Ac-J Z
x Cnt Ac-J Z) configuration.
Table 46 Required route list (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)
Required route listRemote site stateIntermediate
site state
Primary site
state
Host on which Business
Continuity Manager is
started
Primary → Intermediate → RemoteUsableUsableUsablePrimary host
Primary → IntermediateUnusableUsableUsable
Primary → RemoteUsableUnusableUsable
Not requiredUnusableUnusableUsable
Intermediate → PrimaryUsableUsableUsableIntermediate host
Intermediate → Remote
Intermediate → PrimaryUnusableUsableUsable
Intermediate → RemoteUsableUsableUnusable
Not requiredUnusableUsableUnusable
168 Configuration definitions