NOTE: If the hard drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not
turn on.
NOTE: Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.
Table 22. Hard drive indicator codes
Hard drive status indicator code Condition
Flashes green twice per second Identifying drive or preparing for removal.
Off Drive ready for removal.
NOTE: The drive status indicator remains off until all drives
are initialized after the system is turned on. Drives are not
ready for removal during this time.
Flashes green, amber, and then turns off Predicted drive failure.
Flashes amber four times per second Drive failed.
Flashes green slowly Drive rebuilding.
Solid green Drive online.
Flashes green for three seconds, amber for three seconds, and
then turns off after six seconds
Rebuild stopped.
126 Troubleshooting