Dell SC8000, Руководство по развертыванию

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Chapter 3 Connect the Back End
78 Storage Center SC8000 Controller Deployment Guide
Dual Controller, Single SC280 Enclosure
This illustration shows two SC8000 controllers cabled to one SC280 enclosure in a single
chain.
Figure 75. Dual SC8000 Controllers, One SC280 Enclosure, One Chain
Note: In a single ‐ chain configuration, use SAS ports 2 (initiator) and 4 (target) to
create a redundant IPC connection. When you configure these ports using the IO
port wizard, set the port Purpose to Unknown .
Path Connections
IPC 1 Controller A: slot 3, port 2
→
Controller B: slot 3, port 4.
2 Controller B: slot 3, port 2
→
Controller A: slot 3, port 4.
Chain 1: A Side 1 Controller A: slot 3, port 1
→
Enclosure: left EMM, port C.
2 Enclosure: left EMM, port B
→
Controller B: slot 3, port 3.
Chain 1: B Side 1 Controller B: slot 3, port 1
→
Enclosure: right EMM, port C.
2 Enclosure: right EMM, port B
→
Controller A: slot 3, port 3.
Enclosure
Controller A
Controller B
A B
1 3 4
2
C A B C
1 3 4
2
4
3
2 1
4
3
2 1