
4-6
Environmental Monitoring
Table 4-1 Device carrier LED definitions
Device fault
LED
(Red-Bottom)
Device activity
LED
(Green-Top)
Meaning
Off On Disk operates normally
Off Flashing Disk operates normally
Off Off Disk is inactive and there is no fault
On On Fault status. Disk may not be responding to
control signals and may be bad, or may need a
power-off reset.
If the problem persists, replace the disk.
On Off Fault status. Disk is inactive and spun down.
Replace the disk.
Flashing On or Flashing Array build or rebuild is in progress with drive
activity.
Flashing Off Array build or rebuild is pending and there is
no drive activity.
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