HP P9000 Continuous Access Journal for Mainframe Systems User Guide (AV400-96397, October 2011)

Perform the delta resync operation
The delta resync operation is performed during disaster recovery. This operation copies differential
data from the Continuous Access Synchronous Z R-VOL to the Continuous Access Journal Z S-VOL.
The delta resync operation is part of the Resume Pair operation. Follow instructions in “Restore a
pair” (page 73) to execute delta resync.
140 Continuous Access Journal Z configurations with Continuous Access Synchronous Z