Dell PowerEdge R750 Installation and Service Manual

Drive indicator codes

The LEDs on the drive carrier indicate 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.

1. Drive activity LED indicator
2. Drive status LED indicator
3. Drive capacity label

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 unexpected 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.