32 LED descriptions
Hard drive LEDs
LED Description
1 Fault/UID (amber/blue)
2Online/Activity (green)
Table 5 Hard drive LED combinations
Online/Activity (green) Fault/UID (amber/blue) Description
On Off Normal operation. The drive is online, but it
is not currently active.
Blinking irregularly Off The drive is active and operating normally.
Off Amber; blinking regularly (1 Hz) Offline; the drive is not being accessed. A
predictive failure alert may have been
received for this device. Further
investigation is required.
On Amber; blinking regularly (1 Hz) Online; no activity. A predictive failure alert
may have been received for this device.
Further investigation is required.
Blinking irregularly Amber; blinking regularly (1 Hz) The drive is active, but a predictive failure
alert may have been received for this drive.
Further investigation is required.
Off Amber; solid Offline; no activity. A critical fault condition
has been identified for this drive.
Off Blue; solid Offline. The drive has been selected by a
management application (SMU).
On or blinking Blue; solid The controller is driving I/O to the drive,
and it has been selected by a management
application (SMU).
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