HP XP Racks - Manual (Page 413)

Preparing
1. From the primary site, execute the YKSUSPND FORWARD command for the Continuous Access
Synchronous Z copy pair.
•
YKQUERY
•
YKSUSPND FORWARD
•
YKEWAIT GOTO(SUSPEND)
2. Start local site storage system maintenance.
Change the configuration to a 2DC configuration in which operation is performed from the
primary site.
Using a Delta Resync Configuration 413