HP Store Once Backup System 4900 Installation and Configuration Guide

Figure 28 Drive in enclosure LEDs
Fault/UID LED (amber/blue)1
Online LED (green)2
Table 8 Hard disk LED sequences
InterpretationFault/UID LED (amber/blue)Online Activity LED (green)
The drive has failed, or a predictive
failure alert has been received for this
Alternating amber and blueOn, off or flashing
drive; it also has been selected by a
management application.
The drive is operating normally, and it
has been selected by a management
application.
Steady blueOn, off or flashing
A predictive failure alert has been
received for this drive. Replace the drive
as soon as possible.
Amber flashing regularlyOn
The drive is online, but it is not currently
active.
OffOn
Do not remove the drive. Removing a
drive may terminate the current
Amber flashing regularlyFlashing regularly (1 Hz)
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.
Do not remove the drive. Removing a
drive may terminate the current
OffFlashing regularly (1 Hz)
operation and cause data loss. The
drive is rebuilding, or it is part of an
array that is undergoing array
expansion, logical drive extension, a
stripe size migration, or RAID
migration.
108 Understanding LEDs