Hard drive numbering
SAS and SATA hard drive LEDs
Item
Description
1
Fault/UID LED (amber/blue)
2
Online LED (green)
SAS and SATA hard drive LED combinations
Online/activity
LED (green)
On, off, or flashing Alternating amber
On, off, or flashing Steadily blue
On
On
Fault/UID LED
Interpretation
(amber/blue)
The drive has failed, or a predictive failure alert has been
and blue
received for this drive; it also has been selected by a
management application.
The drive is operating normally, and it has been selected by a
management application.
Amber, flashing
A predictive failure alert has been received for this drive.
regularly (1 Hz)
Replace the drive as soon as possible.
Off
The drive is online, but it is not active currently.
Component identification 15