HP XP Racks - Manual (Page 369)

Recovering
1. Recover the remote site storage system from the failure.
2. If the Continuous Access Journal Z copy pair between the intermediate site and the remote
site has been suspended, execute the YKRESYNC command from the primary site.
•
YKQUERY
•
YKRESYNC
•
YKEWAIT GOTO(DUPLEX) NOINVALIDCHECK
Operation returns to normal.
Operating procedure during a primary site host failure
The following are the procedures that must be performed when the host at the primary site fails.
Failover
1. From the intermediate site, execute the YKSUSPND REVERSE command for the Continuous
Access Journal Z copy pair between the primary site and the intermediate site.
•
YKQUERY
•
YKSUSPND REVERSE
•
YKEWAIT GOTO(SUSPEND)
Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration 369