HP XP P9500 Storage - Manual (Page 141)

Table 36 Required configuration files (2DC configuration) (continued)
Remarks Description Item
The reverse route is required when you
operate the primary site storage systems Defining a reverse direction route is
optional.
from the secondary site by using the
Remote DKC Control Function. •
Route list for the forward direction
(originating at the primary site):
Specify the route as Primary
→
Secondary.
•
Route list for the reverse direction
(originating at the secondary site):
Specify the route as Secondary
→
Primary.
This item is not necessary if you use
Remote Web Console to set up logical
paths. A path set is required for bidirectional
inter-disk controller logical paths. Path set definition file
Set this item before starting a copy
operation. Definition files for the TCA and BC Z
copy groups are required. Copy group definition file
NOTE: Cnt Ac-S consistency
preservation function is not used. In
some cases, the copy pair volume
update sequence might become
inconsistent (for example, line errors
might occur).
Preparing the configuration files (2DC configuration)
Table 37 (page 141) shows how to prepare the configuration files at each site.
Table 37 How to prepare the configuration files at each site (2DC configuration)
How to Prepare Contents File Type
At the Secondary Site At the Primary Site
Transfer from the primary
site Perform a local scan The primary site
configuration Disk configuration
definition file
Perform a local scan Transfer from the secondary
site The secondary site
configuration
Transfer from the primary
site Define a path set Path set definition file •
An inter-disk controller
logical path in forward
direction
• An inter-disk controller
logical path in reverse
direction
Define a route list Route list definition
file/Command device
definition file •
A forward direction
route/command device
• A reverse direction
route/command device
Define a copy group A Cnt Ac-J Z copy group Copy group definition file
Define a copy group A BC Z copy group
NOTE: If you define the route list, the route list definition file and the command device definition
file will be created at the same time.
Defining a 2DC configuration 141