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Identifying the Enclosure Components
For more information about the meaning of the various hard drive LED illumination
patterns, refer to Table 2-1.
Table 2-1: Interpreting the Drive Status LEDs
Online LED
(green)
On, off, or
flashing
On, off, or
flashing
On
On
Flashing
regularly (1 Hz)
Flashing
regularly (1 Hz)
Flashing
irregularly
Flashing
irregularly
Off
Off
Off
*Predictive failure alerts can occur only when the MSA20 is connected to a Smart Array controller.
For information about interpreting the drive fault LED when the MSA20 is connected to an
MSA1500 cs, refer to the release notes at http://www.hp.com/go/msa1500cs.
2-6
Fault/ID LED
Meaning
(amber/blue)
Alternating
The drive has failed, or a predictive failure alert* has been
between amber
received for this drive. It has also been selected by a
and blue
management application.
Steadily blue
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 currently active.
Amber, flashing
The drive is part of an array that is undergoing capacity
regularly (1 Hz)
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
The drive is rebuilding, or it is part of an array that is
undergoing capacity expansion or stripe migration.
Amber, flashing
The drive is active, but a predictive failure alert* has been
regularly (1 Hz)
received for this drive. Replace the drive as soon as
possible.
Off
The drive is active, and it is operating normally.
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.
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 either offline, a spare, or not configured as
part of an array.
HP StorageWorks Modular Smart Array 20 User Guide
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