HP XP P9500 Storage - Manual (Page 542)

7. From the local site, execute the YKSUSPND REVERSE command for the Cnt Ac-S Z copy group
container.
•
YKQUERY
•
YKSUSPND REVERSE
•
YKEWAIT GOTO(SUSPND)
8. Start primary site storage system maintenance.
Operation in a 4x4 configuration that originates from the local site starts.
Failback
1. Terminate primary site storage system maintenance.
542 Maintenance and troubleshooting operations