Lenovo S3200 - Fault-Tolerant Cabling between a Dual-Controller Enclosure and Seven 2 U Drive Enclosures

Lenovo Storage S3200/S2200 Setup Guide 27
Figure 14 Fault-tolerant cabling between a dual-controller enclosure and seven 2U drive enclosures
The diagrams above show dual-controller enclosures cabled to drive enclosures featuring dual-expansion
modules. Cabling logic is explained in the narrative supporting Figure 13 on page 26.
Controller A
Controller B
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
0A
0B
1A
1B
2A
2B
3A
3B
Controller
enclosure
0
Drive
enclosure
1
Drive
enclosure
2
Drive
enclosure
3
7A
7B
Drive
enclosure
7
In
Out
In
Out
4A
4B
Drive
enclosure
4
In
Out
In
Out
5A
5B
Drive
enclosure
5
In
Out
In
Out
6A
6B
Drive
enclosure
6
In
Out
In
Out
0A
0B
1A
1B
2A
2B
3A
3B
7A
7B
4A
4B
5A
5B
6A
6B
Controller A
Controller B
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Out
Reverse cabling
Straight-through cabling