Component identification  18 
Online/activity 
LED (green) 
Fault/UID LED 
(amber/blue) 
Interpretation 
Flashing regularly 
(1 Hz) 
Do not remove the drive. Removing a drive may terminate the 
current operation and cause data loss. 
The drive is rebuilding, or it is part of an array that is undergoing 
capacity expansion or stripe migration. 
Flashing 
irregularly 
Amber, flashing 
regularly (1 Hz) 
The drive is active, but a predictive failure alert has been received 
for this drive. Replace the drive as soon as possible. 
Flashing 
irregularly 
Off  The drive is active, and it is operating normally. 
Off 
Steadily amber  A critical fault condition has been identified for this drive, and the 
controller has placed it offline. Replace the drive as soon as 
possible. 
Off 
Amber, flashing 
regularly (1 Hz) 
A predictive failure alert has been received for this drive. Replace 
the drive as soon as possible. 
Off 
Off  The drive is offline, a spare, or not configured as part of an array. 
 
 
Fans 
 
 
Item  Description  Configuration 
1 
Fan 1  Redundant 
2 
Fan 2  Primary 
3 
Fan 3  Redundant 
4 
Fan 4  Primary 
5