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Chapter 5. Using the AIT Tape Drives
45
The following table summarizes the information carried by the blinking methods of the
different drive LEDs:
If the drive’s Tape LED indicates possible errors with the data on that tape, the errors
may be caused by old media or physical damage to the media. Resolve the problem by
copying the data to another tape and discarding the old tape.
Type of Blink
LED Type
Busy Tape Status
Off
a
a. Off: no color in the LED
Not Busy Unloaded N/A
On
b
b. On: green* and not blinking
SCSI Active Loaded Write protected
Fast Blink
c
c. Fast blink: blinks green* for 1/4 second and off for 1/4 second
Drive active Loading/Unloading Cleaning tape at EOM
Slow Blink
d
d. Slow blink: blinks green* for 3-1/2 seconds and off for 1/2 second
N/A Error Rate Warning: data may
be written incorrectly
Cleaning request
Single Pulse
e
e. One pulse: blinks green* for 1/4 second and off for 1 second
Waiting for reset Waiting for eject N/A
Double Pulse
f
f. Two pulse: blinks green* for 1/4 second twice in a row then off for 1 second
* A green light on AIT-1 and AIT-2 drives is equivalent to a blue light on AIT-3 drives.
N/A N/A Self-test failure: power
cycle the library to reset