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Thread: [SOLVED] How to read a udf dvd in ubuntu?

  1. #1
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    [SOLVED] How to read a udf dvd in ubuntu?

    I created a few backup dvds in vista. When i tried to mount them the following message comes:

    Cannot mount volume.
    Invalid mount option when attempting to mount the volume 'UDF Volume'.


    How can we read a udf volume in ubuntu?

    Hare Krishna
    And pray for me too...

  2. #2
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    Re: How to read a udf dvd in ubuntu?

    I never actually heard of udf, it seems to be a replacement for iso for dvds.

    Anyhow, I think this link will help:

    http://amazingrando.wordpress.com/20...vds-in-ubuntu/

  3. #3
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    Re: How to read a udf dvd in ubuntu?

    Quote Originally Posted by billgoldberg View Post
    I never actually heard of udf, it seems to be a replacement for iso for dvds.

    Anyhow, I think this link will help:

    http://amazingrando.wordpress.com/20...vds-in-ubuntu/
    Udf allows to write files greater than 2G on a dvd
    8.10 on HDX16-1050ev
    #22144
    My Ubuntu Blog

  4. #4
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    Re: How to read a udf dvd in ubuntu?

    Sorry for the late reply but I had exams going on so I was not doing much with my laptop. I tried the advice given in the link above (just yesterday ) but it didn't work for me. I'm still getting the same error. Any other suggestions?

    If it is of any help , here is how my /etc/fstab looks like:


    Code:
    # /etc/fstab: static file system information.
    #
    #  -- This file has been automaticly generated by ntfs-config -- 
    #
    # <file system> <mount point>   <type>  <options>       <dump>  <pass>
    
    proc /proc proc defaults 0 0
    # Entry for /dev/sda1 :
    UUID=3cf16b94-4ed3-425a-a287-4d8f76307188 / ext3 defaults,errors=remount-ro 0 1
    # Entry for /dev/sda2 :
    UUID=a114ad47-2926-47fe-981b-3138a5abe6a9 /home ext3 defaults 0 2
    # Entry for /dev/sda3 :
    UUID=07e08ca4-d3cc-45ec-a1a0-10e9415a64f9 none swap sw 0 0
    /dev/scd0 /media/cdrom0 auto user,noauto,exec 0 0
    Many thanks in advance.

    Hare Krishna
    And pray for me too...

  5. #5
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    Re: How to read a udf dvd in ubuntu?

    Actually I think ubuntu can read UDF, as most DVD's are in the UDF format.
    But did you finalize this disk? I am not sure how things work with data DVD's but when I had recording DVD's I had to finalize them to make them readable on my other DVD players.
    HOME BUILT SYSTEM! http://brainstorm.ubuntu.com/idea/22804/ Please vote up!
    remember kiddies: sudo rm -rf= BAD!, if someone tells you to do this, please ignore them unless YOU WANT YOUR SYSTEM WIPED

  6. #6
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    Re: How to read a udf dvd in ubuntu?

    I can't remember whether I finalized them or not (but when I try to mount them through the terminal (using "mount -t udf ..") , it says they are write protected (which I think means they were finalized)).

    Hare Krishna
    And pray for me too...

  7. #7
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    Re: How to read a udf dvd in ubuntu?


  8. #8
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    Re: How to read a udf dvd in ubuntu?

    I have gone through the page (although hastily); and I don't think it gives any firm conclusion regarding the solution.

    Also what is meant by "applying patches" and "patching the kernel"? A link given in the above launchpad page says something about these for solving the problem.


    Also at the end of the page (launchpad), it's said:

    The problem is Ubuntu does not support multi session UDF formatted CDs, which is the format that Windows XP & Windows Vista uses to create data CDs.
    What does "multi session UDF formatted CDs" mean?
    Last edited by bhadotia; May 11th, 2008 at 06:40 PM. Reason: new discovery on the launchpad page.

    Hare Krishna
    And pray for me too...

  9. #9
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    Re: How to read a udf dvd in ubuntu?

    Vista by default seems to use UDF version 2.50 as the file system for DVDs Ubuntu by default can't read this file system - you can apparently tell Vista to use an earlier version that Ubuntu can use or patch Ubuntu so that it can read UDF 2.50

    have a look at:

    http://ubuntu-utah.ubuntuforums.org/...d.php?t=483420

    Looks to me like its easier to tell Vista to use a more standard format or use Nero etc

  10. #10
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    Re: How to read a udf dvd in ubuntu?

    Quick solution for Hardy Heron users:
    http://ubuntuforums.org/showthread.php?t=718744

    NOTE: the attached src is missing a patch from akw.
    http://sourceforge.net/tracker/index...95&atid=300295
    that would allow you to read Vista created udf 2.01 disks.

    The following is a simple way to do the patch.
    After setp 3 (and before 4):
    3a) gedit ~/udf-filesystem-2.5/src/super.c
    lookup the following (line 1148.) and add marked line (remove the >> <<):
    Code:
      UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP15;
      UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt15;
    } else if ((le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) ||
    >>(le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0201) ||<<
      (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0250) ||
      (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0260)) {
     UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP20;
     UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt20;
    3b) save and continue to 4

    The process only takes a few minutes and produces a massive 1.5M udf.ko. It works on my standard Ubuntu 8.04 desktop i386.

    I don't use Vista, but a client call me today that her CD created on her laptop (vista) cannot be read on her office desktop (w2k). And I've found out that my Ubuntu cannot read them as well. Some searching on the net reveals that this is an increasing problem for many Ubuntu users.

    Happy

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