Figure 2-17. Quad Redundancy Configuration For A Redundant Fc-Al - Compaq 112726-001 - ProLiant - 6500 Administrator's Manual

I
The two odd-numbered Storage Hubs connect to port 1 of the array
controllers. Storage Hub #1 connects to array controller A, port 1 in
each storage subsystem. Storage Hub #3 connects to array controller B,
port 1 in each storage subsystem.
I
The two even-numbered Storage Hubs connect to port 2 of the array
controllers. Storage Hub #2 connects to array controller A, port 2 in
each storage subsystem. Storage Hub #4 connects to array controller B,
port 2 in each storage subsystem.
Node 1
Storage Hub #1
Storage Hub #3
P1 P2
A
P1 P2
B
Storage Subsystem #1

Figure 2-17. Quad redundancy configuration for a redundant FC-AL

Host Adapters (4)
Node 2 Node 3
P1 P2
A
P1 P2
B
Storage Subsystem #2
Cluster Architecture 2-37
Node 4
Storage Hub #2
Storage Hub #4