HP ProLiant ML310 G2 Server - Manual (Page 17)

Server Component Identification 17
Hot-Plug SCSI Hard Drive LEDs
Item LED Description Status
1 Activity status On = Drive activity
Flashing = High activity on the drive or drive
is being configured as part of an array.
Off = No drive activity
2 Online status On = Drive is part of an array and is
currently working.
Flashing = Drive is actively online.
Off = Drive is offline.
3 Fault status On = Drive failure
Flashing = Fault-process activity
Off = No fault-process activity