HP 3PAR T-Class Installation and Deinstallation Guide

Figure 26 Numbering of Drive Chassis Components
Figure 27 Numbering of Disks on a DC4 and DC4 Type-2 Drive Magazine
Numbers for drive chassis components are assigned:
From bottom to top.
From rear to front (in reference of disks).
In the order indicated by “Numbering System for Drive Chassis Components (page 37).
Table 11 Numbering System for Drive Chassis Components
Running from...Are Numbered...The Following Components...
bottom to top0,1,...Drive cages
left to right0,1FC-AL modules
Understanding Component Numbering 37