HP XP P9500 Storage - Manual (Page 163)

12. From the primary host, make sure that the status of the Continuous Access Synchronous Z copy
groups has changed to DUPLEX, and then execute the YKMAKE command to make a copy
pair for Continuous Access Journal copy groups.
13. Transfer the created copy group definition file from the primary site to the secondary site.
The primary host and the secondary host must use the same copy group definition file.
Therefore, after creating a copy group on one host, you need to copy the copy group definition
file to another host.
Defining a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration
Configuration example (3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration)
The following figure shows an example of a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration.
Defining a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration 163