DLT DIAGNOSTIC Test


DLT DIAGNOSTIC Test

The DLT DIAGNOSTIC test issues a SEND DIAG command to the DLT7000 tape drive to perform basic tests.
Before running the DLT DIAGNOSTIC test, a scratch tape cartridge must be loaded into a tape drive and at the load point.

  -Attention- For service personnel only: do not use a customer data cartridge. Data will be overwritten and lost forever.


Starting from:

      IBM XXX7  X.XX x
      DIAG OFFLINE
      A:  DLT7000   VNN y1
      B:  DLT7000   VNN y2

  1.  Press the CYCLE key three times. The following menu is shown on the operator panel.

           CHANGE MODE
           MOVE CARTRIDGE
         ->DLT DIAGNOSTIC
           CONFIDENCE TEST
     

  2.  Press the SELECT key once. The following menu is shown on the operator panel
     (TID means target ID, X is the SCSI ID of the tape drive, and YYYY is the firmware version of the tape drive).

           DLT DIAGNOSTIC
           TEST TID X
           A:  DLT7000   VNN y1
           B:  DLT7000   VNN y2
     

  3.  Press the CYCLE key to increase the SCSI ID number; press the MENU key to decrease the SCSI ID number.

    Note:

      If a correct SCSI ID is not selected, the following menu is shown on operator panel;
      the menu means the drive is not communicating or the ID is not valid.

           DLT DIAGNOSTIC
           NO DRV COMM
           A:  DLT7000   VNN y1
           B:  DLT7000   VNN y2
     

  4.  Press the SELECT key once. The DLT DIAGNOSTIC test starts to run and the following menu is shown on the operator panel
     (X is the time in minutes remaining for the test; the time shown counts down as the test is run).

           DLT DIAGNOSTIC
           Time Left Xm
           A:  DLT7000   VNN y1
           B:  DLT7000   VNN y2
     

  5.  When the test is finished, the following menu is shown on the operator panel.

           DLT DIAGNOSTIC
           DLT DIAG PASSED
           A:  DLT7000   VNN y1
     

  6.  Press the MENU key once. The following menu is shown on the operator panel.

           DLT DIAGNOSTIC
           Unload Tape ?
           A:  DLT7000   VNN yl
           B:  DLT7000   VNN y2
     

  7.  Press the SELECT key once. The tape is unloaded and the tape library returns to the main diagnostic menu.

     If the DLT7000 tape drive does not pass the DLT DIAGNOSTIC test, the following menu is shown on the operator panel.

           DLT DIAGNOSTIC
           DLT DIAG Failed
           A:  DLT7000   VNN yl
           B:  DLT7000   VNN y2
     

  8.  Possible causes and corrections for the failure might be:

    Cause    Correction
       Dirty heads    Perform the procedure for cleaning the heads (see the instructions
         in Chapter 5, 'Using the Operator Panel', of the
         3447 and 7337 Digital Linear Tape Library Setup and Operator Guide ).
       Bad media    Run the DLT DIAGNOSTIC test again using a different tape cartridge.
       Failed DLT7000 Tape Drive    Replace the tape drive.


Figure 23 lists error messages associated with the DLT DIAGNOSTIC test.
The error messages may appear on the operator panel.


Figure 23. Error Messages from the DLT DIAGNOSTIC Test 

Error Message Description
INIT SETUP ERROR The controller has a problem so that it cannot set up
as an initiator when communicating with the
DLT7000 tape drive.
NO DRV COMM Communications could not be established with the
DLT7000 tape drive.
NO TAPE LOADED A tape was not loaded into the DLT7000 tape drive,
or the tape was not at the load point.
ERROR ON DLT DIAG The controller cannot send the command to perform
the DLT DIAGNOSTIC test.
DLT DIAG FAILED The diagnostic status was not 0.


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