Users Guide

Drive indicator codes
The LEDs on the drive carrier indicates the state of each drive. Each drive carrier has two LEDs: an activity LED (green) and a
status LED (bicolor, green/amber). The activity LED blinks whenever the drive is accessed.
Figure 10. Drive indicators
1. Drive activity LED indicator
2. Drive status LED indicator
3. Drive capacity label
If the drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not power on. Drive status
indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.
Table 18. Drive indicator codes
Drive status indicator code Condition
Blinks green twice per second The drive is being identified or preparing for removal
Off The drive is ready for removal
NOTE: The drive status indicator remains off until all
drives are initialized after the system is powered on.
Drives are not ready for removal during this time.
Blinks green, amber, and then powers off There is an expected drive failure
Blinks amber four times per second The drive has failed
Blinks green slowly The drive is rebuilding
Solid green The drive is online
Blinks green for three seconds, amber for three seconds, and
then powers off after six seconds
The rebuild has stopped
HII error messages
Unhealthy Status of the Drivers
Error:
One or more boot driver(s) have reported issues. Check the Driver Health
Menu in Boot Manager for details.
Probable Cause: This message might indicate that the cables are not connected, the disks might be missing, or the UEFI
driver might require configuration changes.
Troubleshooting 75