SATA hard drive LEDs
Each SATA hard drive has two LEDs. The following
fi
gure and table describe their locations and meanings.
1
2
15464
1
Online/
activity LED
(green)
2
Fault/UID LED
(amber/blue)
Meaning
On, off, or
Blinking
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
Blinking
Steadily blue
The drive is operating normally and has been selected by a management
application.
On
Amber,
blinking
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.
Blinking
regularly (1
Hz)
Amber,
blinking
regularly (1
Hz)
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.
Blinking
regularly (1
Hz)
Off
Do not remove the drive. Removing a drive may terminate the current
operation and cause data loss. The drive is rebuilding, or it is part of an
array that is undergoing capacity expansion or a stripe size migration.
Blinking
irregularly
Amber,
blinking
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.
Blinking
irregularly
Off
The drive is active and it is operating normally.
Off
Steadily
amber
A critical fault condition has been identi
fi
ed for this drive and the controller
has placed it of
fl
ine. Replace the drive as soon as possible.
Off
Amber,
blinking
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 of
fl
ine, a spare, or not con
fi
gured as part of an array.
26
System components and LEDs
Summary of Contents for AD510A - StorageWorks Modular Smart Array 1500 cs 2U Fibre Channel SAN Attach Controller Shelf Hard Drive
Page 8: ...8 ...
Page 12: ...12 About this guide ...
Page 18: ...18 Specifications ...
Page 60: ...60 LCD panel and message descriptions ...
Page 96: ...96 Capacity expansion and extension ...
Page 102: ...102 Hard drive failures and faulted LUNs ...
Page 108: ...108 SCSI hard drive firmware ...