IBM TotalStorage DS4200, Инструкция по установке, использованию и обслуживанию

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DS4200 Express Storage Subsystem and supported storage expansion
enclosure drive cabling schemes
The following sections show cabling schemes for supported storage expansion
enclosures and the DS4200 Express Storage Subsystem:
v “One DS4200 Express and one EXP420 storage expansion enclosure” on page
64
v “One DS4200 Express and two EXP420 storage expansion enclosures” on page
64
v
“One DS4200 Express and three or more EXP420 storage expansion enclosures”
on page 65
Notes:
1. Currently, only EXP420 storage expansion enclosures are supported in a
DS4200 Express Storage Subsystem configuration.
2. The DS4200 Express Storage Subsystem supports the connection of a
maximum of six storage expansion enclosures per redundant drive channel loop
and supports one redundant drive channel loop pair.
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
ds470058
Figure 45. One DS4200 Express and up to six storage expansion enclosure — Not
recommended
Chapter 3. Cabling the storage subsystem
63