IBM SAN Volume Controller 2145-CG8, Hardware Installation Manual

Page: 31 / 110

Figure 2 shows an example of the main wiring for a SAN Volume Controller
clustered system with the redundant ac-power switch feature. The four-node
clustered system consists of two I/O groups:
v
I/O group 0 contains nodes A and B
v
I/O group 1 contains nodes C and D
1
I/O group 0
2
SAN Volume Controller node A
3
2145 UPS-1U A
4
SAN Volume Controller node B
5
2145 UPS-1U B
6
I/O group 1
7
SAN Volume Controller node C
8
2145 UPS-1U C
9
SAN Volume Controller node D
1
4
2
5
svc00358_cf8
7
8
3
11
10
13
14
9
12
6
Figure 2. A four-node SAN Volume Controller system with the redundant ac-power switch
feature
Chapter 1. SAN Volume Controller overview
3