3PAR InForm® OS 2.2.4 Messages and Operator's Guide (320-200119 Rev A, March 2009)

5.16
Understanding Component Numbering
InForm OS Version 2.2.4
3PAR Confidential
5.3.5 Power Supply Numbering
InServ E-Class Storage Server cabinets share a single power domain that contains a drive cage
or controller node and two dedicated power supplies. Drive cages and controller nodes
depend on these two power supplies to supply power from the PDUs at the bottom of the
cabinet. When viewing the cabinet from the rear, the power supplies are numbered as follows
(Figure 5-15):
Figure 5-15. Numbering of Power Supplies
0402_L_R2
(Rear View)
Drive Chassis
Power Supply
Numbering:
0
1
Controller Node
Power Supply
Numbering:
1
0