HP 3PAR Operating System Software - Manual (Page 27)

Storage and HP 3PAR 10000 StoreServ Storage systems, individual ports can be configured for
RCFC.
Remote-copy links in asynchronous periodic mode do not have to be dedicated to remote copy,
and can be shared with other traffic, but this is not recommended. The remote-copy links in
synchronous mode require guaranteed bandwidth over dedicated remote-copy links.
RCFC over IP network connections are allowed only for remote copy in asynchronous periodic
mode.
RTT
Maximum round-trip time (RTT) allowed is shown in Table 1 (page 27) :
Table 1 Remote Copy RTT
RTT Transport Layer Volume Group Mode
2.6 ms RCFC Synchronous
2.6 ms RCIP
n/a FCIP
(Not supported)
2.6 ms RCFC Asynchronous periodic
150 ms RCIP
120 ms FCIP
Setting Up Remote Copy over IP
RCIP Initial Remote-Copy Pair
Figure 9 (page 27) illustrates the initial remote-copy pair in an RCIP configuration.
Figure 9 Network and RCIP Setup—Example Initial Pair
RCIP Initial Remote-Copy Pair Worksheet
Figure Figure 10 (page 28) is a worksheet for setting up an initial remote-copy pair over RCIP.
Setting Up Remote Copy over IP 27