24 Sun StorageTek 2500 Series Array Hardware Installation Guide • September 2009
LEDs on the Disk Drives
FIGURE 1-16 Locations of the Disk Drive LEDs
TABLE 1-7 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.
2
Fault 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
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