Hard-Drive Indicator Patterns; Back-Panel Features And Indicators - Dell PE R720XD Owner's Manual

Hard-Drive Indicator Patterns

Figure 6. Hard-Drive Indicators
1. hard-drive activity indicator (green)
2. hard-drive status indicator (green and amber)
NOTE: If the hard drive is in Advanced Host Controller Interface (AHCI) mode, the status indicator (on the right side)
does not function and remains off.
Drive-Status Indicator Pattern (RAID Only)
Blinks green two times per second
Off
Blinks green, amber, and off
Blinks amber four times per second
Blinks green slowly
Steady green
Blinks green three seconds, amber three
seconds, and off six seconds

Back-Panel Features And Indicators

Figure 7. Back-Panel Features and Indicators—PowerEdge R720
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Condition
Identifying drive or preparing for removal
Drive ready for insertion or removal
NOTE: The drive status indicator remains off until all hard drives
are initialized after the system is turned on. Drives are not ready
for insertion or removal during this time.
Predicted drive failure
Drive failed
Drive rebuilding
Drive online
Rebuild aborted