HP XP Racks - Manual (Page 537)

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.
2. From the local site, execute the YKRESYNC REVERSE command for the Cnt Ac-S Z copy group
container.
•
YKQUERY
•
YKRESYNC REVERSE
•
YKEWAIT GOTO(DUPLEX)
3. Stop operation at the local site.
Using a 4x4x4 Delta Resync configuration 537