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Dell PowerEdge R720 and R720xd Owner's Manual

Hard-Drive Indicator Patterns

Figure 1. Hard-Drive IndicatorsThe figure shows 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
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.
Blinks green, amber, and off
Predicted drive failure
Blinks amber four times per second
Drive failed
Blinks green slowly
Drive rebuilding
Steady green
Drive online
Blinks green three seconds, amber three seconds, and off six seconds
Rebuild aborted

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