Failback – HP XP P9500 Storage User Manual
Page 353
2.
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)
3.
Start primary site storage system maintenance.
4.
Start operation at the intermediate site.
Operation in a 2DC configuration starts between the intermediate site and the remote site.
Failback
1.
Terminate primary site storage system maintenance.
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)
3.
Stop operation at the intermediate site.
Using a 3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration 353