HP 3PAR Application Software Suite for Oracle - Manual (Page 125)

Figure 5 Asynchronous Periodic Remote Copy Configuration
A Remote Copy configuration can also be configured as a Synchronous Long Distance configuration.
Typically, a synchronous long distance Remote Copy configuration involves three HP 3PAR StoreServ
Storage systems. Database virtual volumes are synchronized from one system to the two other
systems. One is synchronized using synchronous mode. The other is synchronized using
asynchronous periodic mode. See
Figure 6 (page 126) .
How Remote Copy Works 125