Failover; Failback - HP XP P9500 Software User's Manual

Failover

The failover procedure to be performed when the primary site storage system is in a nonvolatile
failure state is the same as the failover procedure to be performed when the primary site storage
system is in a volatile failure state. See
Failure (Volatile)" (page

Failback

1. Recover the primary site storage system from the failure.
2. Stop operation on the intermediate site.
3. From the primary site, execute the YKRESYNC REVERSE command for the Continuous Access
Synchronous Z copy group container.
YKQUERY
YKRESYNC REVERSE
YKEWAIT GOTO(DUPLEX)
"Operating Procedure During a Primary Site Storage System
401).
Using a 4x4x4 Cascade Configuration 407