HP StorageWorks HSG80 ACS Solution Software V8.8 for OpenVMS Installation and Configuration Guide (AA-RV1PA-TE, March 2005)

Planning a Subsystem
35HSG80 ACS Solution Software V8.8 for OpenVMS Installation and Configuration Guide
Numbers of Connections
The number of connections resulting from cabling one adapter into a switch or
hub depends on failover mode and how many links the configuration has:
If a controller pair is in multiple-bus failover mode, each adapter has two
connections, as shown in Figure 10.
Figure 10: Connections in multiple-bus failover mode
CXO7080B
Host
port 1
active
Host
port 2
active
Host
port 2
active
Host
port 1
active
D100 D101 D120D0 D1 D2
Controller A
Controller B
All units visible to all ports
Switch
or hub
Switch
or hub
NOTE: FCA = Fibre Channel Adapter
Host 1
"VIOLET"
FCA1 FCA2
Connection
VIOLET1B1
Connection
VIOLET1A1
Connection
VIOLET2A2
Connection
VIOLET2B2