IBM DS4700 Marine Radio User Manual


 
Figure 57 on page 76 shows a cabling topology that is not recommended because
all six storage expansion enclosures are connected to a single drive port of the
dual-ported drive channel in each controller.
Left ESM
Left ESM
Right ESM
Right ESM
Controller A
Controller B
1
2
2
1
ds470051
Left ESM
Right ESM
Left ESM
Right ESM
Left ESM
Right ESM
Left ESM
Right ESM
ds470051
Figure 56. One DS4700 Express and up to six storage expansion enclosure
Recommended cabling
Chapter 3. Cabling the storage subsystem 75