HP XP P9000 Business Continuity Manager User Guide (T5253-96086, November 2013)

Failover
The failover procedure to be performed if a failure, with no information lost from memory, occurs
in the primary site storage system is the same as the failover procedure performed if a failure, with
information lost from memory, occurs in the primary site storage system. For details, see (page 556)
in (page 555).
Failback
1. Correct the primary site storage system failure.
2. Stop operation at the local site.
3. From the local site, execute the YKRESYNC REVERSE command for the Cnt Ac-S Z copy group
container.
YKQUERY
YKRESYNC REVERSE
YKEWAIT GOTO(DUPLEX)
Using a 4x4x4 Delta Resync configuration 563