HP StorageWorks Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide (AA-RPHZF-TE, March 2004)

Getting Started
54 Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide
Figure 14: Cascaded switches in DRM environment with three hops between host and controller
Figure 14 shows a DRM configuration that increases the number of host-to-controller port
connections using cascaded switches and hopping. The figure features switches cascaded from
Host 1 to the initiator controller. There are four Fibre Channel cascaded switches, three hops
from Host 1, and three hops to the initiator controller pair 1.
CXO7291A
Hop 3
Hop 2
Initiator site
Host 2
Hop 1
Target site
Host 3
Controller
Pair 1
Controller
Pair 2
10 KM
10 KM
70 KM
Host 1
500
meters