HP ProLiant DL580 Generation 3 - SATA or SAS Hard Drive Leds

30 HP ProLiant DL580 Generation 3 Server User Guide
NOTE: ACU does not support mixing SAS and SATA drives in the
same logical volume.
SATA or SAS hard drive LEDs
Item LED Description Status
1 Fault/UID status Amber = Drive failure
Flashing amber = Fault-process activity
Blue = Unit identification is active
Off = No fault-process activity
2 Online/Activity status Green = Drive activity
Flashing green = High activity on the
drive or drive is being configured as part
of an array
Off = No drive activity