HP XP P9500 Software User's Manual page 375

YKQUERY
YKSUSPND FORWARD
YKEWAIT GOTO(SUSPEND)
4. Start operations at the primary site.
5. On the primary host, execute the YKRESYNC FORWARD command for Cnt Ac-J Z copy pairs
between the primary storage system and the remote storage system.
YKQUERY
YKRESYNC FORWARD
YKEWAIT GOTO(DUPLEX)
If the command is successful, the copy direction of Cnt Ac-J Z copy pairs is reversed.
6. Use TPC-R on the primary host to make the Cnt Ac-S copy pairs with the HyperSwap attribute.
7. On the primary host, make Cnt Ac-J Z copy pairs that are in the HOLD status and that are
between the local storage system and the remote storage system.
Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 375