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Thread: Recover DVD+RW ??

  1. #1

    Default Recover DVD+RW ??

    I stumbled across one small problem, K3b borked totally my DVD+RW's.
    Now two of them are seen as CD-ROM's (can't overwrite or format them) and the third one "load's" ages. They all are 4.8GB size now while the same still good DVD+RW says it is 4.4GB.

    Is it possible somehow to overwrite the TOC to make the system see them as DVD+RW again or can i just throw them away now?

    I tried wodim and various options to blank it, clean it and God knows what else.
    How does a linux geek make love??

    - rtfm; unzip; strip; touch; finger; mount; fsck; more; yes; umount; zip; sleep;

  2. #2

    Default Re: Recover DVD+RW ??

    The borked DVD's are seen as DVD-RW in K3b (kde 4 version) but with size only 2 kB?? Track lenght is 2 kB and media ID unknown.
    How does a linux geek make love??

    - rtfm; unzip; strip; touch; finger; mount; fsck; more; yes; umount; zip; sleep;

  3. #3

    Default Re: Recover DVD+RW ??

    And how about k3b from kde3? k3b(kde4) is very, very new afaiu mandriva just finished porting it.
    Man first, have a try at Info, have a look at Wiki, if all that fails Scroogle!!!!!
    If I've helped click on the Rep button I don't know what it does but it sounds cool.

  4. #4

    Default Re: Recover DVD+RW ??

    Hmmm, my guess is that it doesn't matter how K3b from KDE 3 sees it as it's just a frontend to some great CLI apps which i used.

    dvd+rw-mediainfo from one DVD RW shows all the info and i can still write to this one but it is no longer so easy as it always bombs out when writing lead out (silly but when checking the md5sum the burned image is ok). The other one's don't work at all. And the size reported by numerous tools that it can't read 10h settings while 0h is fine (i mean wodim, dvd+rw-mediainfo).

    Sorry if it sounds rude but i'm just afriad i will kill my other DVD RW's...

    I was wondering if there is a tool that would write to the DVD no matter what other tools say, something like a RAW format ? Some sort of a low level disk format?
    How does a linux geek make love??

    - rtfm; unzip; strip; touch; finger; mount; fsck; more; yes; umount; zip; sleep;

  5. #5

    Default Re: Recover DVD+RW ??

    Too true...

    I think if you can replicate it with k3b you got a bug report perhaps. Not sure your going get round it.

    Perhaps you could actually see what data it sees with a dd. Though I'm presuming this isn't just coming to its end and we're talking about new/newish dvds. I have to agree you would thought you could blank them..

    Going to have to say it do you dual boot or vmware does MS software do the same?
    Man first, have a try at Info, have a look at Wiki, if all that fails Scroogle!!!!!
    If I've helped click on the Rep button I don't know what it does but it sounds cool.

  6. #6

    Default Re: Recover DVD+RW ??

    Hmmm, i have an idea but i am not sure if this is possible, when you mentioned dd (low level tool? ), if i could make an image of the same dvd that still works and write it to the borked one exactly bit by bit then i could have a working DVD RW again?

    I don't dual boot but i remember that Nero couldn't help (friend's PC) and since i'm fighting with that for a long time (i was googling around in hope to find a "cure") i'm not sure i could replicate that
    How does a linux geek make love??

    - rtfm; unzip; strip; touch; finger; mount; fsck; more; yes; umount; zip; sleep;

  7. #7

    Default Re: Recover DVD+RW ??

    Out of my depth wouldn't have a clue. Aren't you always going to end up back with the cli tools and if there struggling now wouldn't they still struggle?

    Guess nothing to lose by trying.

    Edit
    Only mentioned dd as saw it in thread for a very scratched CD here
    http://bbs.archlinux.org/viewtopic.php?id=70519

    dd if=/dev/sda of=image.dd conv=noerror,sync
    Man first, have a try at Info, have a look at Wiki, if all that fails Scroogle!!!!!
    If I've helped click on the Rep button I don't know what it does but it sounds cool.

  8. #8

    Default Re: Recover DVD+RW ??

    Guess i'll have to throw them to the bin. I hope nothing will happen to the other RW's then i will be forced to file a BIG BUG report with some atom bombs included in the e-mail

    dd uses some CLI tools that still see that DVD as 2 kB size so no luck this time.
    How does a linux geek make love??

    - rtfm; unzip; strip; touch; finger; mount; fsck; more; yes; umount; zip; sleep;

  9. #9

    Default Re: Recover DVD+RW ??

    I reckon if dd sees that then it is. My understanding is that is really low level, I would thought is working that out, not reading that.

    But what can close a dvd as cd and make it unwritable(Shrug)?

    Though reading back you seem to have them being seen as CD's one way and DVD's the other, is that K3B(kde3) vs K3B(kde4)?
    Man first, have a try at Info, have a look at Wiki, if all that fails Scroogle!!!!!
    If I've helped click on the Rep button I don't know what it does but it sounds cool.

  10. #10

    Default Re: Recover DVD+RW ??

    Other tools report other things (read dvd+rw-mediainfo, wodim). Ultimately i can't write anything to them

    P.S. I must admit that k3b (kde 4 version) starts being pretty usable
    How does a linux geek make love??

    - rtfm; unzip; strip; touch; finger; mount; fsck; more; yes; umount; zip; sleep;

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