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Move /v to DVD fails but files identical

Discussion in 'Support' started by David Marcus, Jun 24, 2010.

  1. David Marcus

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    If I use move /v to move a file to a DVD, I often get the message "File verification failed", but when I then compare the two files use FC, it says the files are identical. Any idea why this is happening? The DVD is formatted by Windows.

    TCC 11.00.50 Windows Vista [Version 6.0.6002]
    TCC Build 50 Windows Vista Build 6002 Service Pack 2
     
  2. Steve Fabian

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    | If I use move /v to move a file to a DVD, I often get the message
    | "File verification failed", but when I then compare the two files
    | use FC, it says the files are identical. Any idea why this is
    | happening? The DVD is formatted by Windows.
    |
    | TCC 11.00.50 Windows Vista [Version 6.0.6002]
    | TCC Build 50 Windows Vista Build 6002 Service Pack 2

    I presume it is a TCC feature that when verification of MOVE fails, it
    does not delete the original, thus allowing you to use FC. You could also
    use TCC's @compare[] function, regardless, I suspect the issue of
    verification vailing when moving to a read-mostly device, such as a DVD, is
    due to the delay between delivering it to the Windows driver which actually
    writes it, and when it is available on the target DVD. Did you try what
    happens when you use COPY /V to the same target?
    --
    Steve
     
  3. David Marcus

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    I have not tried COPY /V.
     
  4. rconn

    rconn Administrator
    Staff Member

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    That definitely won't work with DVD-R, though it might with DVD-RW. The
    verification is being done by Windows, not by TCC.
     
  5. David Marcus

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    I'm using a DVD+R, so I'll stop using /V.
     

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