HP 50 Modular Smart Array - Manual (Page 11)

Component identification 11
SAS and SATA hard drive LEDs
Item Description
1 Fault/ID LED (amber/blue)
2 Online LED (green)
SAS and SATA hard drive LED combinations
NOTE: Predictive failure alerts can occur only when the storage
enclosure is connected to a Smart Array controller.
Online/Activity
LED (green) Fault/UID LED
(amber/blue) Interpretation
On, off, or flashing 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 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 active currently.