HP StorageWorks HSG80 ACS Solution Software V8.8 for HP-UX Installation and Configuration Guide (AA-RV1FA-TE, March 2005)

Planning a Subsystem
58 HSG80 ACS Solution Software V8.8 for HP-UX Installation and Configuration Guide
Figure 17: Limiting host access in multiple-bus failover mode
For example:
Figure 17 shows a representative multiple-bus failover configuration. Restricting
the access of unit D101 to host BLUE can be done by enabling only the
connections to host BLUE. At least two connections must be enabled for
CXO707
8
Host
port 1
active
Host
port 2
active
Host
port 2
active
Host
port 1
active
D100 D101 D120D0 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
Connection
s
RED2B2
GREY2B2
BLUE2B2
Connections
RED1A1
GREY1A1
BLUE1A1
Switch
or hub
Switch
or hub
NOTE: FCA = Fibre Channel Adapter