Apple NMB-003 Light manually check

Icon		Indicator	Color	Description
		System	Yellow	Indicates a hardware error in the
		identifier	(solid or blinking)	system or that someone has turned on
				the light manually; check the
				monitoring software for more
				information.
		RAID controller	Green	OK
		(one for each	Red	Failure
		group of seven
		drive modules)
		Power supply	(See chart below)	(See chart below)
		Battery module	Green	OK
			Red	Failure
		Cooling module	Green	OK
			Red	Failure
		Temperature	Green	OK
			Red	Over temperature
		Host activity	Blue	Two rows of 23 LEDs show level of fibre
				channel activity on each host channel
		Fibre channel	Green	Two LEDs indicate a link is established
		link
		Drive module	Blinking blue	Disk activity
		(left LED)	No light	No disk activity
		Drive module	Green	Good
		(right LED)	Yellow/green flash	Rebuilding
			Yellow	Drive to be serviced (prefailure
				condition)
			Red	Problem or failure
		Drive module	No color	No hard disk in the module
		(blank)
	—	Mute button	(No LED)	Press to turn off the audible alarm that
				signals an error condition

Using the Xserve RAID System 47