DVD+R files lost

Discussion in 'DVD Video' started by Margrave of Brandenburg, Oct 16, 2005.

  1. I have a DVD+R with multiple recorded sessions. I back up files to it
    periodically. After I closed the DVD for the last time (it was nearly full),
    I could read the files just fine.

    But later that day, I could no longer read most of it. Explorer shows only
    34 files (about 579 MB), most (or all) of which are in the first session.

    I tried this on two different computers (one with an NEC burner, the other
    with a plain DVD ROM) ... same result.

    But there's really more than 250 files in there (about 4.2 GB).

    Later, I happened to notice a defect in the disk near the outer edge. The
    surface seems to have a gap in the dye. But this appears only on the last
    1/4" (or less) of the disk surface, and it's only about a 1/2" long.

    I would expect this gap would render the last few hundred MB inaccessible.
    But what about the remaining 4 GB?

    Is there a program that can help recover some of the lost data?

    BTW, this was burned with Nero 6.3.1.25, using ISO/UDF format.
     
    Margrave of Brandenburg, Oct 16, 2005
    #1
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  2. In article <05x4f.77730$>,
    Margrave of Brandenburg <> wrote:
    >I have a DVD+R with multiple recorded sessions. I back up files to it
    >periodically. After I closed the DVD for the last time (it was nearly full),
    >I could read the files just fine.
    >
    >But later that day, I could no longer read most of it. Explorer shows only
    >34 files (about 579 MB), most (or all) of which are in the first session.


    >I tried this on two different computers (one with an NEC burner, the other
    >with a plain DVD ROM) ... same result.


    >But there's really more than 250 files in there (about 4.2 GB).


    >Later, I happened to notice a defect in the disk near the outer edge. The
    >surface seems to have a gap in the dye. But this appears only on the last
    >1/4" (or less) of the disk surface, and it's only about a 1/2" long.


    >I would expect this gap would render the last few hundred MB
    >inaccessible. But what about the remaining 4 GB?


    Probably the directory was re-written when the system encountered
    the bad area.

    >Is there a program that can help recover some of the lost data?


    ISO-Buster. The free simple version might just work for you.


    >BTW, this was burned with Nero 6.3.1.25, using ISO/UDF format.



    --
    Bill Vermillion - bv @ wjv . com
     
    Bill Vermillion, Oct 19, 2005
    #2
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