Online/Activity
LED (green)
Fault/UID LED
(amber/blue)
Definition
1 flash per second Flashing amber
Do not remove the drive. Removing the drive might terminate the
current operation and cause data loss.
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 remove the drive until the expansion or migration is complete.
1 flash per second Off
Do not remove the drive. Removing the drive might terminate the
current operation and cause data loss.
The drive is rebuilding, erasing, or is part of an array that is
undergoing capacity expansion or stripe migration.
4 flashes per
second
Flashing amber The drive is active but a predictive failure alert has been received
for this drive. Replace the drive as soon as possible.
4 flashes per
second
Off The drive is active and is operating normally.
Off Solid 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 Flashing amber A predictive failure alert has been received for this drive. Replace
the drive as soon as possible.
Off Off The drive is offline, a spare, or not configured as part of an array.
Identifying components and LEDs 63
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