IBM RS/6000 7025 manual SSA Disk Drives, Status Definition

SSA Disk Drives: The following table explains the meaning of the Power, Ready

and Check status LEDs.

	Status	LEDs
LED	Status		Definition
Power	On		Power	On
	Off		Power	Off
Ready	On		Both SSA connections good and
			drive	is		ready
	Blinking		Only one SSA connection good
	Flickering		Drive	is		executing a command
Check	On		Disk	drive		failure
			Self-test		running
			Drive	in	service mode
	Blinking		Disk	drive		selected

Chapter 2. Using the System2-19Unit