HP ProLiant DL320s Server - Manual (Page 8)

Component identification 8
SAS and SATA drive numbers
SAS and SATA hard drive LEDs
Item Description Status
1 Fault/UID LED Amber = Drive failure
Flashing amber = Fault-process activity
Blue = Unit identification is active
Off = No fault-process activity
2 Online/activity LED Green = Drive activity
Flashing green = High activity on the
drive or drive is being configured as part
of an array
Off = No drive activity