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.
NOTE: If the drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not power on.
NOTE: Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.
Table 1. Drive indicator codesThe drive indicator codes table describes the indicator codes: blinking green twice per second, Off, blinks green, amber, and then powers off, blinks amber four times per second, blinks green slowly, solid green, blinks green for three seconds, amber for three seconds, and then powers off after six seconds.
Drive status indicator code
Condition
Blinks green twice per second
Indicates that the drive is being identified or preparing for removal.
Off
Indicates that 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
Indicates that there is an expected drive failure.
Blinks amber four times per second
Indicates that the drive has failed.
Blinks green slowly
Indicates that the drive is rebuilding.
Solid green
Indicates that the drive is online.
Blinks green for three seconds, amber for three seconds, and then powers off after six seconds
Indicates that the rebuild has stopped.
EDSFF LED indicators
Table 2. EDSFF LED indicators The drive indicator codes table describes the indicator codes.
Green status indicator code
Amber status indicator code
Drive condition
OFF
OFF
Indicates that the drive is offline.
ON
OFF
Indicates that the drive is online.
4Hz flashing
OFF
Indicates that there is activity on the drive.
NA
4Hz flashing
Indicates that the drive is being identified or preparing for removal.
ON
Indicates that the drive has failed.
Two fast blinks at 4Hz and pause for 0.5 seconds
Indicates that there is an expected drive failure (SMART) .
1Hz flashing
Indicates that the drives rebuilding is aborted.
1Hz flashing
Indicates that the drive is rebuilding.
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