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a. Verify that a tape cartridge is not loaded in the drive. To unload a cartridge, press the eject button
on the front of the drive.
b. Press and hold the eject button for 7 seconds, until the green Ready LED starts flashing rapidly,
and then release the button. The Ready LED will continue flashing, indicating that the drive is
waiting for a cartridge to be inserted.
2. Start the self-test by inserting a test tape into the drive. If a test tape is not available, you can
substitute any blank LTO Ultrium-2 cartridge.
A cartridge must be loaded within 15 seconds or the drive will automatically revert back to normal
operation. If necessary, return to step 1 to reenter diagnostic mode.
Notes:
v The test takes about 5-1/2 minutes.
v At any time, self-testing can be stopped by pressing the eject button. After a current test operation is
completed, the cartridge will be ejected and drive will return to normal operation.
v Use a cartridge that is not write-protected. If a write-protected cartridge is inserted while the drive is
in diagnostic mode, the cartridge will be ejected.
v Self-testing can only be performed using an undamaged, write-compatible, Ultrium-2 cartridge. If a
write-protected or damaged cartridge is used, refer to Incorrect cartridge in Table 14.
v If a cleaning cartridge is inserted while the drive is in diagnostic mode, cleaning will occur and the
drive will then return to normal operating mode. To reenter diagnostic mode, return to step 1.
v While self-testing is in progress, the Ready LED continues to flash. The following three test steps are
performed:
– The initialization sequence has an approximate duration of 20 seconds. The Activity LED indicates
tape movement.
– The hardware test has an approximate duration of 2 minutes. During that time, a static test is
performed on the electrical components of the drive, and proper operation of the cartridge
load/unload mechanism is verified.
– The write/read test has an approximate duration of three minutes. The Activity LED indicates tape
movement.
Interpreting the results
Table 14. Interpreting the results of the self-test
Result
Description
Test passed
When self-testing has completed successfully and no problems were detected, the cartridge is
unloaded from the drive and all LEDs are off. Proper function of both the drive and tape
cartridge have been verified. The drive is no longer in diagnostic mode, and has been
returned to normal operation.
If the yellow Clean LED remains on, it indicates that self-testing has completed successfully
but that cleaning is required. Clean the drive by inserting an IBM cleaning cartridge.
Drive failure
When a drive problem is detected, the cartridge will remain loaded inside the drive and the
yellow Fault LED will flash. Contact your service provider for assistance.
Media failure
When a media problem is detected, the cartridge will remain loaded inside the drive, and the
yellow Clean LED will flash. Repeat self-test using another blank tape cartridge.
Chapter 2. Managing tape drives
27
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