User guide

Hard Disk Drive (HDD) LEDs
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Table 3-2 describes the functions of the Status LED.
Table 3-3 describes the functions of the Activity LED.
Table 3-2 HDD Status LED Functions
LED Color
LED
Behavior Drive Status
Amber
Off No access and no fault.
Solid On Hard drive fault has occurred.
Blink – RAID rebuild in progress (1Hz).
– Identify (2Hz).
Table 3-3 HDD Activity LED Functions
LED
Color Drive Condition
Drive
Type LED Behavior
Green
Power on with no drive activity.
SAS LED stays on.
SATA LED stays off.
Power on with drive activity.
SAS LED blinks off when
processing a command.
SATA LED blinks off when
processing a command.
Power on and drive spun down.
SAS LED stays off.
SATA LED stays off.
Power on and drive spinning up.
SAS LED blinks.
SATA LED stays off.