Home > Geeky stuff, misc > Never use DD for windows

Never use DD for windows

I learned the hard way never to use DD for windows. I used DD for windows to image 8 MO disks front and back. I just assumed everything was fine, until I actually went to process the data and is probably why they aren’t matching up across the disks. They each were missing several hundred megabytes off the end. I used a 1M block size, which should be fine since the disk are 2048 byte/sector. I riped one again this time with a 2M block size, then a 4M block and more and more data shows up each time! I stopped trying after this. The real red flag should of come when I say \Device\Harddisk2\Partition0 in the DD file. This would never be on the disk, this is just the path to the hardware in windows. So now I am ripping all of them again with another imaging program called R-studio so I am going to be at work late. I could have gotten a knoppix cd and used the real DD but this works and I don’t even know if there is a block driver for MO disks in knoppix.

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Categories: Geeky stuff, misc
  1. Mystic
    June 26, 2007 at 1:16 am

    … ive never had a problem while using dd

  2. June 27, 2007 at 8:30 pm

    I have never had a problem with DD in Linux or any Unix for that matter, just when I tried it in windows. It is very possible that the problem lay in the driver for the magentic optical drive and not in the DD program. Whatever it was the images were completely wrong.

  3. July 28, 2007 at 7:27 pm

    I am the author of dd for windows. It sounds like your dd failure was through incorrect use. If there is a problem with dd I would like to fix it. I do not have any MO hardware so I can’t test that. If you want to contact me then I can help you out.

    John.

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