HP 3PAR InForm OS 3.1.1 Messages and Operators Guide

Figure 45 Numbering of Disks on a NL and FC Drive Magazine
Numbers for drive chassis components are assigned from bottom to top, from rear to front (in the
case of disks).
Table 11 Drive Chassis Component Numbering
Running fromNumberedComponents
bottom to top0, 1, ...Drive cages
left to right0, 1FC-AL modules
top to bottom-Fibre Channel ports
A0, B0FC-AL 0
A1, B1FC-AL 1
left to right0, 1, 2, 3, 4, 5, 6, 7, 8, 9Drive magazines
rear to front0,1, 2, 3Disks on the drive magazine
Power Supply Numbering
Cabinets are divided into upper and lower power domains that contain drive cages or controller
nodes with dedicated power supplies located at the rear of the system.
When viewing the cabinet from the rear, the power supplies connecting to the drive chassis of
both the upper and lower power domains are numbered from 0 to 3, from left to right. Each node
requires two power supplies.
• The power supplies in the lower node chassis are numbered 0 and 1, from left to right.
• The power supplies in the upper node chassis are numbered 0 and 1, from right to left.
Understanding Component Numbering 45