HP 3PAR InForm OS 3.1.1 Concepts Guide

A controller node takes on the number of the bay that it occupies in the system backplane, as
shown in Figure 19 (page 64).
Figure 19 T-Class Controller Node Numbering
F-Class Controller Node Numbering
The F-Class systems contains two or four nodes per system. Controller nodes are numbered from
top to bottom node 0 and node 1 for a two node system, and node 0- 3 for a four node system.
See Figure 20 (page 65) for an example of controller node numbering in an F-Class system.
64 HP 3PAR Storage System Hardware