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Connectors, LED Indicators, Switches, and Jumpers
The internal health LED identifies service events for internal components in a pre-failure or
failed condition. Use Table 4-9 to identify LED combinations for the internal health LED and
the system LEDs.
Hot-Plug SCSI Hard Drive LEDs
Each hot-plug SCSI hard drive has three LEDs located on the front of the drive. The LEDs
provide activity, online, and fault status for each corresponding drive configured as a part of
an array and attached to a powered-on Smart Array Controller. The indicators may vary
depending on the status of other drives in the array. Use Figure 4-4 and Table 4-4 to analyze
the status of each hot-plug SCSI hard drive.
WARNING: To avoid personal injury, read the "Hot-Plug Hard Drive
Replacement Guidelines" in the Compaq Servers Troubleshooting Guide
before removing a hard drive.
Figure 4-4: Hot-plug SCSI hard drive LEDs
•
The LED on the left indicates drive activity status, where ON indicates activity and OFF
indicates no activity by the drive.
•
The center LED indicates online status, where flashing indicates an active online
condition and OFF indicates an inactive online condition.
•
The LED on the right indicates fault status, where flashing indicates fault-process activity
and OFF indicates a no fault-process activity.
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NAS B2000 Maintenance and Service Guide
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