18 Sun StorageTek 2500 Series Array Hardware Installation Guide • March 2007
LEDs on the Disk Drives
FIGURE1-15 Locations of the Disk Drive LEDs
TABLE1-6 Descriptions of the Disk Drive LEDs
Location LED Color General Behavior
1
Service Action
Allowed
Blue On – The disk drive can be removed from the tray.
Off – The disk drive cannot be removed from the
tray.
2Fault Amber On – The disk drive has a problem.
Off – Normal condition.
3
Power Green Off – The power is turned off.
On – The power is on and the disk drive is
operating normally.
On and blinking (0.5 s on, 0.5 s off) –Disk drive
I/O activity is taking place.
1
2
3