HP XP P9500 Storage - Manual (Page 545)

8. From the primary site, execute the YKRESYNC DELTAJNL command for the primary-to-remote
EXCTG.
•
YKQUERY
•
YKRESYNC DELTAJNL
•
YKEWAIT GOTO(DUPLEX)
When command execution succeeds, the status of the local-to-remote Cnt Ac-J Z copy pair
automatically changes to HOLD (Delta Resync pair).
Operation returns to normal.
Performing local site storage system maintenance
The following are the procedures for local site storage system maintenance.
Using a 4x4x4 Delta Resync configuration 545