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
Flashing regularly
(1 Hz)
Flashing regularly
(1 Hz)
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.
Amber, flashing
Do not remove the drive. Removing a drive may terminate the
regularly (1 Hz)
current operation and cause data loss.
The drive is part of an array that is undergoing capacity
expansion or stripe migration, but a predictive failure alert has
been received for this drive. To minimize the risk of data loss, do
not replace the drive until the expansion or migration is
complete.
Off
Do not remove the drive. Removing a drive may terminate the
current operation and cause data loss.
The drive is rebuilding, erasing, or it is part of an array that is
undergoing capacity expansion or stripe migration.
Component identification 17