If you consider the loss of a host bus adapter or switch, the configurations in Figure 6–6 and Figure 6–7 will provide better throughput than Figure 6–5 because you still have access to both controllers. With Figure 6–5, if you lose a host bus adapter or switch, you lose the use of a controller.

Figure 6–5: Multiple-Bus NSPOF Configuration Number 1

Member

System

1

KGPSA

KGPSA

Member

System

2

KGPSA

KGPSA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSGGA

 

 

 

 

 

DSGGA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

1

2

 

 

A

B

 

 

HSG80

HSG80

 

 

HSG80

 

RA8000/

ESA12000

ZK-1706U-AI

Using Fibre Channel Storage 6–11

Page 121
Image 121
Compaq AA-RHGWB-TE manual Multiple-Bus Nspof Configuration Number