3PAR InForm® OS 2.3.1 Messages and Operator's Guide (320-200181 Rev B, February 2010)

3.18
Understanding Component Numbering
Messages and Operator’s Guide InForm OS Version 2.3.1
Numbers for drive chassis components are assigned:
■ from bottom to top.
■ from rear to front (in the case of disks).
■ in the order indicated by Table 3-4.
Table 3-4. Numbering System for Drive Chassis Components
The Following Components... Are Numbered... Running from...
Drive cages 0,1,... bottom to top
FC-AL modules 0,1 left to right
Fibre Channel ports
FC-AL 0
FC-AL 1
A0,B0
A1,B1
top to bottom
Drive magazines 0,1,2,3,4,5,6,7,8,9 left to right
Disks on the drive magazine 0,1,2,3 rear to front