HSG80 ACS Solution Software V8.6 for Windows NT and Windows 2000 Installation and Configuration Guide

1–26 HSG80 ACS Solution Software Version 8.6 for Windows NT and Windows 2000 Installation and
Configuration Guide
Figure 1–14. Limiting host access in multiple-bus failover mode
CXO7078B
Host
port 1
active
Host
port 2
active
Host
port 2
active
Host
port 1
active
D100 D101 D120
D0 D1
D2
Host 1
"RED"
Controller A
Controller B
All units visible to all ports
FCA1 FCA2
Host 2
"GREY"
FCA1 FCA2
Host 3
"BLUE"
FCA1 FCA2
Connections
RED1B1
GREY1B1
BLUE1B1
Connections
RED2A2
GREY2A2
BLUE2A2
Connections
RED2B2
GREY2B2
BLUE2B2
Connections
RED1A1
GREY1A1
BLUE1A1
Switch
or hub
Switch
or hub
NOTE: FCA = Fibre Channel Adapter