HP LeftHand P4000 Virtual SAN Appliance Software - Manual (Page 6)

Copying the primary snapshot to the remote snapshot
When the primary snapshot is copying to the remote snapshot, the CMC depicts the process with
a moving graphic of pages from the primary to the remote snapshot. The pages move in the
direction of the data flow from primary to remote snapshot.
Figure 2 Icons depicting the primary snapshot copying to the remote snapshot
Graphical legend for Remote Copy icons
The Graphical Legend window available from the Help menu depicts the icons associated with
Remote Copy.
Figure 3 Icons for Remote Copy in the Graphical Legend window
Remote Copy and volume replication
Remote Copy is an asynchronous replication of data. Network RAID is a synchronous replication
of data. Using synchronous Network RAID on multiple storage systems within a cluster in combination
6 Understanding and planning Remote Copy