Dell HHB Owner's Manual page 12

Figure 5. Hard drive or SSD indicators
1. drive activity indicator (green)
2. drive status indicator (green and amber)
NOTE: If the drive is in Advanced Host Controller Interface (AHCI) mode, the status LED (on the right side) does not
function and remains off.
Drive-Status Condition
Indicator
Pattern
Flashes green
Identifying drive or preparing for removal
twice per second
Off
Drive ready for insertion or removal
Flashes green,
Drive predicted failure
amber, and then
turns off
Flashes amber
Drive failed
four times per
second
Flashes green
Drive rebuilding
slowly
Steady green
Drive online
Flashes green for
Rebuild stopped
three seconds,
amber for three
seconds, and
turns off after six
seconds
12 Dell PowerEdge M630 overview
NOTE: The drive status indicator remains off until all drives are initialized after system power is
applied. Drives are not ready for insertion or removal during this time.