HP XP P9500 Storage - Manual (Page 424)

5. Start operation at the local site.
Operation in the Delta Resync configuration is performed from the local site.
Failback
To perform failback:
1.
Recover the primary site host from the failure.
2. Stop operation at the local site.
3. From the primary site, execute the YKSUSPND FLUSH command for the Continuous Access
Journal Z copy pair between the local site and the remote site.
•
YKQUERY
•
YKSUSPND FLUSH
•
YKEWAIT GOTO(SUSPEND)
4. From the primary site, execute the YKSUSPND FORWARD command for the Continuous Access
Synchronous Z copy pair.
424 Maintenance and troubleshooting operations