Incorrect Cabling Of One Ds3950 And Two Storage Expansion Enclosures - IBM DS3950 Installation, User's, And Maintenance Manual

Important: Do not cable the DS3950 storage subsystem and two storage expansion
enclosures as shown in Figure 38. A storage array with the incorrect
storage topology might appear to be functional, but incorrect cabling
can potentially have unpredictable results.
Storage
subsystem
Figure 38. Incorrect cabling of one DS3950 and two storage expansion enclosures
Port 2, drive channel 1
Port 1, drive channel 1
1B 1A
1A 1B
1A
1B
1A 1B
Chapter 3. Cabling the storage subsystem
Port 1, drive channel 2
Port 2, drive channel 2
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