IBM DS8000 - Manual (Page 280)

258 DS8000 Series: Concepts and Architecture
Figure 12-2 Switched FC-AL disk subsystem
Performance is enhanced since both DAs connect to the switched Fibre Channel disk
subsystem back end as displayed in Figure 12-3 on page 259. Note that each DA port can
concurrently send and receive data.
Processor
Adapter Adapter
Memory Memory Processor
Adapter Adapter
To host servers
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20 port switch
20 port switch
16 DDM
Processor
Adapter Adapter
Memory Memory Processor
To storage servers
H
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