HP 3PAR StoreServ 7400 2-node HP 3PAR StoreServ 7000 Storage Service Guide - Page 31
Understanding LED Indicator Status, Enclosure LEDs, Bezels LEDs, Disk Drive LEDs
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2 Understanding LED Indicator Status 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 28 Bezel LEDs Table 1 Bezel LEDs Callout LED Appearance 1 System Power Green Amber 2 Module Fault Amber 3 Disk Drive Amber Status Indicates On - System power is available. On - System is running on battery power. 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. On - Specific disk drive LED identifies the affected disk. This LED applies to disk drives only. 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. Disk Drive LEDs The LEDs are located on the front of the disk drives: Enclosure LEDs 31