Veritas Storage Foundation 5.1 SP1 Advanced Features Administrator"s Guide (5900-1503, April 2011)

Figure 11-4
Example connectivity for off-host solution using redundant-loop
access
Network
OHP host
Primary host
Fibre Channel
hubs or switches
Disk arrays
c1 c2 c3 c4
c1 c2 c3 c4
This layout uses redundant-loop access to deal with the potential failure of any
single component in the path between a system and a disk array.
Note: On some operating systems, controller names may differ from what is shown
here.
Figure 11-5 shows how off-host processing might be implemented in a cluster by
configuring one of the cluster nodes as the OHP node.
129Understanding point-in-time copy methods
About point-in-time copies