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Conference stkhlm::magtape

Title:MAGNETIC TAPEDRIVES
Moderator:STKHLM::GJOHNSSON
Created:Mon Sep 21 1987
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3775
Total number of notes:13147

3692.0. "Recorded entity Not Fount errors" by CSC32::J_SANDOVAL () Mon Mar 10 1997 19:48

Have a Customer that received Medium/recorded entity not found errors
a/s/ascq 1400 ON A TKZ15 TAPE DRIVE during a SCSI SPACE command.  

What does this normally indicate, specifially?  I realize just the explanation
leads you to believe that the tape drive does not recognize that the tape is
there, maybe someone can give me some logic as to the conditions that have to
be present before the tape sends back this error.

Thanks,

Julian 
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3692.1Educated guess!UTRTSC::VISSERThu Mar 20 1997 01:5217
    
    .0
    
    "recorded entity not found" might indicate that the drive is looking
    for something, which he did not find ON THE TAPE.
    The command is SPACE (either BLOCKS or FILEMARKS) and during this
    spacing the drive got fussed.
    I do NOT believe this error is the ONLY you have seen. Normally you
    might these type of errors, when the drive has some WRITE or READ
    problem. (Could have been the drive, where the tape is written).
    Could ALSO be the tape itself.
    
    Suggestion: troubleshoot as medium/head/cleaning(??) related problem,
    
    		Jan Visser.