HP P9000 Business Continuity Manager User Guide

Table 43 Required Configuration Files (Delta Resync Configuration) (continued)
RemarksDescriptionItem
The following delta resync Cnt Ac-J Z
copy group is required between the local
site and the remote site.
• For the S-VOL of the delta resync Cnt
Ac-J Z pair, specify the same journal
group number as that of the S-VOL of
the Cnt Ac-J Z copy group, using a
different mirror ID.
local site: DAD ID of the primary site
(set the primary site as the P-VOL)
• For a Cnt Ac-J Z copy group definition
between the primary site and the
remote site: DAD ID of the primary
site (set the primary site as the P-VOL)
• For a Cnt Ac-J Z copy group definition
for the delta resync function between
the local site and the remote site:
DAD ID of the local site (set the local
site as the P-VOL)
If the Cnt Ac-S Z consistency preservation
function is not used, the consistency of a
copy pair volume update sequence might
not be preserved in some cases (such as
a line error).
Set this item before starting a copy
operation.
You must use the route lists based on the
site status and the host on which Business
Route list definition file
and command device
definition file Continuity Manager runs. Prepare the
necessary route lists by referring to
Table 44 (page 163).
This item is not necessary if you use
Remote Web Console to set up logical
paths.
The path set for the following logical
paths is required:
Path set definition file
• An inter-control unit logical path
(bidirectional) between the primary
site and the local site
• An inter-disk controller logical path
(bidirectional) between the primary
site and the remote site
• An inter-disk controller logical path
(bidirectional) between the local site
and remote site
Table 44 (page 163) describes the required route lists for using Business Continuity Manager in a
delta resync configuration.
Table 44 Required Route List (Delta Resync Configuration)
Route lists needed in
Business Continuity Manager
Remote site
condition
Local site
condition
Primary site
condition
Host on which
Business Continuity
Manager is started
Primary -> LocalUsableUsableUsablePrimary host
Primary -> Remote
Primary -> LocalUnusableUsableUsable
Primary -> RemoteUsableUnusableUsable
Primary
1
UnusableUnusableUsable
Local -> PrimaryUsableUsableUsableLocal host
Local -> Remote
Local -> PrimaryUnusableUsableUsable
Local -> RemoteUsableUsableUnusable
Local
1
UnusableUsableUnusable
Defining a Delta Resync Configuration 163