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Thread: can dvd's be erased

  1. #1
    runs a monkey grinder Steve M Hostetter's Avatar
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    can dvd's be erased

    Hello,,, I know this may sound dumb but,,, can a dvd be erased so that I can re-use the space for new images ? thx

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    Re: can dvd's be erased

    The simple answer is NO. DVD-R and DVD+R discs are write once. These are the inexpensive discs you find at mass retailers.

    However,

    You can purchase DVD-RW discs (note the "RW") which allow you to erase and reuse.
    They are considerably more expensive, and "may" not be as archival.

    My opinion is that, when purchased in 50 or 100 disc pancakes, at discount stores, the unit cost of a record-once DVD is about 25 cents, or thereabouts. To me this is a trivial expense. I sometimes use DVDs just as a transfer medium to get files from one computer to another, then I throw the disc away (break it first).

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    runs a monkey grinder Steve M Hostetter's Avatar
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    Re: can dvd's be erased

    thank you Gene,,, It's the RW I don't know how to erase

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    Re: can dvd's be erased

    Quote Originally Posted by Steve M Hostetter View Post
    thank you Gene,,, It's the RW I don't know how to erase
    You can't record over them as with some media (tapes). There should be a "format" option with the hardware or software which clears the disc. I use these discs with my DVD-RW since I can simply reformat to reuse them. While they're not archive, I haven't seen any degradation on the ones I've recorded over half a dozen times or more.
    --Scott--

    Scott M. Knowles, MS-Geography
    scott@wsrphoto.com

    "All things merge into one, and a river flows through it."
    - Norman MacLean

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    Re: can dvd's be erased

    As far as Windows 2000/XP is concerned, you usually cannot erase DVD-RW from the Windows desktop, but would have to do so from the packet writing utility that came with your drive (which should have a icon in the utility bar). YMMV with more dedicated DVD-RAM drives - these sometimes come with enhanced drivers that allows for transparent erasing on both -RAM and -RW. Vista, OS X and Linux usually come with more DVD management built into the OS, but drives and drivers may override that, so you can face similar issues (and need similar workarounds) there.

    In any case and on all OSes, you can always use a dedicated CD/DVD writing application for erasing.

    Oh, and DVD-RW is considered about the least reliable among archival media - for archival purposes, only DVD-RAM is considered acceptable, and even that is not entirely safe and needs a multiple backup policy.

    Sevo

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    Re: can dvd's be erased

    As said above, what you should be looking for in your CD/DVD writing software is a "format" option, which would wipe the previous data from the disc.

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    runs a monkey grinder Steve M Hostetter's Avatar
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    Re: can dvd's be erased

    thx you guys

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    Re: can dvd's be erased

    Quote Originally Posted by Steve M Hostetter View Post
    thx you guys
    Hey Steve - you should always use your verify option whenever creating optical discs, but this is especially important for RW media as they will eventually fail to record. Eventually...as Scott indicated, they are pretty durable in general. And, as Gene mentioned, it is often cheaper and safer to just burn and toss standard -R discs. If the intention is archival, don't rely on -RW media...my opinion.

  9. #9
    runs a monkey grinder Steve M Hostetter's Avatar
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    Re: can dvd's be erased

    thx Matt,,, I'm just transfering files from a mac to PC ... I found the erase feature in the menu in toast but it takes forever and the computer ends up crashing

  10. #10
    Joanna Carter's Avatar
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    Re: can dvd's be erased

    Quote Originally Posted by Steve M Hostetter View Post
    I'm just transfering files from a mac to PC
    PMFJI but why not use a network cable?

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