HP 3PAR StoreServ 7450 2-node HP 3PAR StoreServ 7450 Storage Troubleshooting G - Page 12
Understanding LED Indicator Status, Enclosure LEDs, Bezels LEDs
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2 Understanding LED Indicator Status Storage system components have LEDs to indicate status of the hardware and whether or not 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 10 Bezel LEDs Table 3 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 - There is a disk fault on the system. 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 running the installation script completes. 12 Understanding LED Indicator Status