HP 3PAR Remote Copy Software - Manual (Page 310)

C.92 Synchronous Long Distance Remote Copy Disaster Recovery Example
Remote Copy User’s Guide InForm OS Version 2.3.1
In the example above:
◆ Tasks are started for each group that has already been recovered.
◆ A final synchronization is started from InServC to InServB and from InServC to
InServA to ensure that InServA and InServB have the most recent data.
◆ Groups are then stopped and the primary volumes on InServC are switched to
secondary volumes and secondary volumes on InServA are switched to primary
volumes.
◆ Once completed, InServA resumes its role as the primary storage server and starts
Remote Copy with InServB and InServC.
6 Issue showrcopy on all systems to verify that the original Synchronous Long Distance
Remote Copy setup has been restored and is operating normally.