Disk drive LEDs
Item
Description
1
Fault/UID LED (amber/blue)
2
Online LED (green)
Disk drive LED combinations
Online/activity LED
(green)
Fault/UID LED (amber/blue)
Interpretation
On, off, or flashing
Alternating amber and blue
The drive has failed, or a predictive failure alert has
been received for this drive; it also has been
selected by a management application.
On, off, or flashing
Steadily blue
The drive is operating normally, and it has been
selected by a management application.
On
Amber, flashing regularly (1 Hz)
A predictive failure alert has been received for this
drive.
Replace the drive as soon as possible.
On
Off
The drive is online, but it is not currently active.
Flashing regularly (1 Hz)
Amber, flashing regularly (1 Hz)
CAUTION: Do not remove the drive.
Removing a drive may terminate the current
operation and cause data loss.
The drive is part of an array that is undergoing
capacity expansion or a stripe size 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.
Table Continued
34
Component identification