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Note: The illustrations in this document might differ slightly from the hardware.
d3nu4041a
Storage
expansion
enclosure
group 1
Storage
expansion
enclosure
group 2
Loop C
Loop D
LoopA
Loop B
Storage
Subsystem
For specific information about how to cable the storage subsystem and storage
expansion enclosures, see “Configuring the drive loops with storage expansion
enclosures” and the IBM TotalStorage DS4500 Fibre Channel Storage Subsystem
Cabling Guide.
Configuring the drive loops with storage expansion enclosures
This section provides information on how to connect supported storage expansion
enclosures in a redundant drive loop.
Overview: Cabling a DS4500 with two drive mini hubs
The base DS4500 Storage Subsystem currently contains two drive mini hubs
installed in mini hub slots 4 and 2 (previously, these two mini hubs were installed in
slots 1 and 2). Figure 56 on page 78 depicts the cabling of the base DS4500.
Figure 55. Redundant drive loop cabling overview
Chapter 3. Cabling the storage subsystem 77