HP XP P9500 Storage - Manual (Page 351)

2. From the intermediate site, execute the YKRESYNC REVERSE command for the Continuous
Access Journal Z copy pair between the primary site and the intermediate site.
•
YKQUERY
•
YKRESYNC REVERSE
•
YKEWAIT GOTO(DUPLEX)
Operation in a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration starts from the
intermediate site.
Failback
1. Recover the host at the primary site from the failure.
2. From the primary site, execute the YKSUSPND FORWARD command for the Continuous Access
Journal Z copy pair between the primary site and the intermediate site.
•
YKQUERY
•
YKSUSPND FORWARD
•
YKEWAIT GOTO(SUSPEND)
3. From the primary site, execute the YKRESYNC FORWARD command for the Continuous Access
Journal Z copy pair between the primary site and the intermediate site.
When the command is executed, the status of the Continuous Access Journal Z copy pair
between the intermediate site and the remote site changes from DUPLEX to SUSPOP.
Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration 351