HP StorageWorks MSA20 StorageWorks Modular Smart Array 20 User Guide - Page 17

Table 2-1, Interpreting the Drive Status LEDs

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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) Fault/ID LED (amber/blue) Meaning On, off, or flashing Alternating between amber and blue The drive has failed, or a predictive failure alert* has been received for this drive. It has also 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 A predictive failure alert* has been received for this drive. regularly (1 Hz) 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) 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. Flashing Off regularly (1 Hz) The drive is rebuilding, or it is part of an array that is undergoing capacity expansion or stripe migration. Flashing irregularly Amber, flashing regularly (1 Hz) The drive is active, but a predictive failure alert* has been received for this drive. Replace the drive as soon as possible. Flashing Off irregularly The drive is active, and it is operating normally. Off 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. Off Amber, flashing A predictive failure alert* has been received for this drive. regularly (1 Hz) Replace the drive as soon as possible. Off Off The drive is either offline, a spare, or not configured as part of an array. *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 HP StorageWorks Modular Smart Array 20 User Guide

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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)
Fault/ID LED
(amber/blue)
Meaning
On, off, or
flashing
Alternating
between amber
and blue
The drive has failed, or a predictive failure alert* has been
received for this drive. It has also 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)
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.
Flashing
regularly (1 Hz)
Off
The drive is rebuilding, or it is part of an array that is
undergoing capacity expansion or stripe migration.
Flashing
irregularly
Amber, flashing
regularly (1 Hz)
The drive is active, but a predictive failure alert* has been
received for this drive. Replace the drive as soon as
possible.
Flashing
irregularly
Off
The drive is active, and it is operating normally.
Off
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.
Off
Amber, flashing
regularly (1 Hz)
A predictive failure alert* has been received for this drive.
Replace the drive as soon as possible.
Off
Off
The drive is either offline, a spare, or not configured as
part of an array.
*Predictive failure alerts can occur only when the MSA20 is connected to a Smart Array controller.
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HP StorageWorks Modular Smart Array 20 User Guide
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.