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6.7
Tape Drive LEDs
The two tape drives in the tape library use three LEDs to indicate diagnostic and
operating states (see TABLE 6-1).
TABLE 6-1
POST or reset
Error or failed POST
Ready (no tape loaded)
Ready (tape loaded)
Normal tape motion
High-speed motion
Time to clean
Clean in progress
POST= power on self-test
6.8
Testing
The following tests check the operation of the overall tape library, the disk drives,
and the cartridge handling mechanism. For more information on running the tape
library diagnostics from the Operator Panel, see Chapter 7.
6.8.1
Testing the Installation
If the tape library has been stored for six months or more, you need to perform some
"warm-up exercises" on the tape drives and the tape library. The exercises involve
inserting tapes into the tape drives and using your application software to write and
read data.
Tape Drive LED States
Top LED
(Error/Clean)
on
flash
n/a
n/a
n/a
n/a
on
on
Middle LED
Bottom LED
(Tape Ready)
(Tape Motion)
on
on
off
off
off
off
on
off
on
flash
on
fast flash
n/a
n/a
on
flash
Chapter 6
Operating the Tape Library
6-9
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