Sun Microsystems 2500 manual Service Action LEDs, IOM LEDs on the Sun StorageTek 2501 Array

IOM LEDs on the Sun StorageTek 2501 Array

FIGURE 1-13Locations of the IOM LEDs

TABLE 1-5Descriptions of the IOM LEDs

Location	LED	Color	On	Off
1	IOM Link Fault	Amber	A link error occurred.	No errors have occurred.
2	IOM Link	Green	The link is active.	A link error occurred.
	Service Action	Blue	The IOM can be removed	The IOM cannot be
3	Allowed		from the drive expansion tray.	removed from the drive
				expansion tray.
	Service Action	Amber	A fault exists within the IOM.	Normal condition
4	Required
	(Fault)
5	Power	Green	Power is present in the drive	No power is applied to the
			expansion tray.	drive expansion tray.

Service Action LEDs

Each controller, power-fan assembly, IOM, and disk drive has a Service Action Allowed LED. The Service Action Allowed LED indicates when you can remove a component safely. See the “LEDs on the Rear of the Trays” section on page 1-11for the locations and descriptions of the Service Action Allowed LEDs on a controller tray and a drive expansion tray, and see “LEDs on the Disk Drives” on page 1-18for disk drive Service Allowed LEDs.

Chapter 1 Tray Overviews 15