Understanding Led Indicator Status; Enclosure Leds; Bezels Leds; Bezel Leds - HP 3PAR StoreServ 7450 Service Manual

1 Understanding LED Indicator Status

NOTE: References to 7200 models imply 7200/7200c.
References to 7400 models imply 7400/7400c/7440c.
Storage system components have LEDs to indicate status of the hardware and whether it is
functioning properly. These indicators help diagnose basic hardware problems. You can quickly
identify hardware problems by examining the LEDs on all components using the tables and
illustrations in this chapter.

Enclosure LEDs

Bezels LEDs

The bezels are located at the front of the system on each side of the drive enclosure and include
three LEDs.
Figure 1 Bezel LEDs
Table 1 Bezel LEDs
Callout LED
1 System Power
2 Module Fault
3 Disk Drive
Status
NOTE: Prior to running the installation scripts, the numeric display located under the Disk Drive
Status LED on the bezels may not display the proper numeric order in relation to their physical
locations. The correct sequence will be displayed after the installation script completes.
8 Understanding LED Indicator Status
Appearance Indicates
Green On – System power is available.
Amber On – System is running on battery power.
Amber On – System hardware fault to I/O modules or PCMs within the enclosure.
At the rear of the enclosure, identify if the PCM or I/O module LED is also
Amber.
Amber On – Specific disk drive LED identifies the affected disk. This LED applies to
disk drives only.