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Drive activity LED
The drive activity LED is solid green during normal operation and
flashes green when a drive is accessed.
Drive status LED
The drive status LED can appear amber or blue.
•
Amber indicates a warning, or failure condition.
•
Blue is a locator LED that identifies a particular disk drive.
Various software utilities, such as online diagnostics or SAS disk drive
configuration tools, can activate the locator LED.
Figure 24 Hot-plug SAS disk drive LEDs
2
1
Drive status LED
Drive activity LED
Table 21 SAS disk drive LEDs
Indication
Drive status LED status
Drive activity LED status
The drive has failed, or a predictive failure alert has been
received for this drive; it also has been selected by a
management application.
Alternating amber and
blue
On, off, or flashing
The drive is operating normally, and it has been selected
by a management application.
Blue
On, off, or flashing
A predictive failure alert has been received for this drive.
IMPORTANT:
Replace the drive as soon as possible.
Regularly flashing amber
(1 Hz)
On
The drive is online, but it is not active currently.
Off
On
CAUTION:
Do not remove the drive. Removing a drive
might terminate the current operation and cause data loss.
Regularly flashing amber
(1 Hz)
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.
CAUTION:
Do not remove the drive. Removing a drive
might terminate the current operation and cause data loss.
Off
Flashing regularly (1 Hz)
The drive is rebuilding, erasing, or it is part of an array that
is undergoing capacity expansion or stripe migration.
The drive is active, but a predictive failure alert has been
received for this drive. Replace the drive as soon as possible.
Regularly flashing amber
(1 Hz)
Flashing irregularly
The drive is active, and it is operating normally.
Off
Flashing irregularly
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
Off
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Troubleshooting tools
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