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Hi folks, Debian Etch Xen box I haven't burned CD/DVD for sometimes, at least >1 year. Just ran following commands on terminal burning a data DVD-RW; growisofs -dvd-compat -Z /dev/dvd ...
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  1. #1
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    Burning DVD problem


    Hi folks,

    Debian Etch
    Xen box

    I haven't burned CD/DVD for sometimes, at least >1 year. Just ran following commands on terminal burning a data DVD-RW;

    growisofs -dvd-compat -Z /dev/dvd -R -J /path/to/compressed_tarballs
    growisofs -dvd-compat -speed=4 -Z /dev/dvd -R -J -pad /path/to/compressed_tarballs
    growisofs -Z /dev/dvd -R -J /path/to/compressed_tarballs
    etc.

    No error found on burning. After burning no data can be detected.


    # fdisk -l

    could not find the DVD

    According to my recollection I ran above commands burning DVD-RW/+RW. They worked for me. Please help.

    This is a server box only limited X packages installed on the host.

    TIA

    B.R.
    satimis

  2. #2
    Linux Engineer b2bwild's Avatar
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    I never saw a dvd/cd in fdisk.
    have you tried mounting /dev/scd0?
    # sudo mount /dev/scd0 /media/cdrom0 -t iso9660
    Never make any misteaks.

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  3. #3
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    Quote Originally Posted by b2bwild View Post
    I never saw a dvd/cd in fdisk.
    have you tried mounting /dev/scd0?
    Hi b2bwild,


    I got it. Thanks.


    All data DVD and CD burned previous can be detected automatically when closing the drawer. But this newly burned DVD-RW won't be detected. I have to mount it manually before I can read its content.


    Beside out of the 4 .tar.bz2 files on the DVD I can only copy 2 of them on Debian PC. Other 2 fail;

    $ cp /media/cdrom0/aaa.tar.bz2 Temp/
    Code:
    cp: reading `/media/cdrom0/aaa.tar.bz2': Input/output error
    What does it mean "Input/output error"? Thanks


    P.S. Do I need blank an old DVD-RW before burning. In my recollection it is NOT necessary?


    B.R.
    satimis

  4. #4
    Linux Engineer b2bwild's Avatar
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    I/O error is occured when system is unable to read the information from the medium..
    the error is occured on coping from dvd.
    It can be scratched disk , improper disk burning or unclean dvd drive.

    Try cleaning dust out of your dvd drive and reader lence.
    you can grab one of the good drive cleaning kits from market.
    Never make any misteaks.

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  5. #5
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    Quote Originally Posted by b2bwild View Post
    I/O error is occured when system is unable to read the information from the medium..
    the error is occured on coping from dvd.
    It can be scratched disk , improper disk burning or unclean dvd drive.

    Try cleaning dust out of your dvd drive and reader lence.
    you can grab one of the good drive cleaning kits from market.
    Hi b2bwild,

    I have 2 DVD Writers installed on DebianEtch and Ubuntu7.10 boxes respectively. I tried them with same result even using another DVD. Only 2 problematic bz2 files have mistake, other 2 bz2 files without problem. I burned them on separate DVD, i.e. one bz2 file on its own DVD. Same result found.


    Edit:

    The problem may be due to long filename exceed 103 characters and or hidden files:-

    Installed K3b on an Ubuntu8.04 box. Already unchecked "103 joliet-long character". Still warning popup asking for either shorten filename OR disable Joliet character. I chose the later. After burning I can't mount the DVD.

    Any glue? TIA


    satimis

  6. #6
    Linux Engineer b2bwild's Avatar
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    Have your verified the data integrity on those archives?
    Never make any misteaks.

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  7. #7
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    Quote Originally Posted by b2bwild View Post
    Have your verified the data integrity on those archives?
    Hi b2bwild,


    Please explain in more detail how to verify the data integrity,

    I have 4 .tar.bz2 files created on respective directories. Before burning them on DVD I have checked all of them by clicking them on "Home Folder" reading files on them. There are many directories and subdirectories on each .tar.bz. No problem was found.


    After burning them on DVD, one DVD, and mounting the DVD, 2 of the them can't be read on "Home Folders" by clicking them. The other 2 .tar.bz files can be read without problem. I tried copying the problematic .tar.bz2 files from DVD to PC without success, always popup "I/O error". I did burned each of the said file on separate DVD. Problem still remains.


    Edit:

    Whether you meant running "md5sum" to check the DVD? If YES, then I did. Only 2 .tar.bz2 files can be checked. The output were same as before and after burning. I can't check the problematic .tar.bz2 files on DVD always popup "Input/Output error"


    B.R.
    satimi

  8. #8
    Linux Engineer b2bwild's Avatar
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    I mean the archives should not be corrupt and they are not.
    Well thats a very strange problem, I have ever seen..the problem must be in the wrting method or software.

    I will try to get some solution on this..
    Never make any misteaks.

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  9. #9
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    Quote Originally Posted by b2bwild View Post
    I mean the archives should not be corrupt and they are not.
    Well thats a very strange problem, I have ever seen..the problem must be in the wrting method or software.

    I will try to get some solution on this..

    Hi b2bwild,


    I sorted out the cause of the problem running k3b to burn those .tar.bz2 files. Warning displayed during burning;

    1)
    no charset chosen, using default instead

    2)
    max size of file = <2G recommended

    3)
    corrupted filename

    4)
    asking whether burning including hidden files.
    (chose "NO")


    1), 2) and 4) were of minor important. They did NOT affect burning the .tar.bz2 files on whatever chosen. 3) was critically. There were 2 filenames on 2 .tar.bz2 files, each on one file, named in characters other than English. k3b indicated them including directories/subdirectories. After renaming them in English and recreating new compressed tarballs burning went straightwards without complaint even ignoring points 1), 2) and 4). DVD can be detected automatically on closing the drawer with Nautilus popup. md5sum were found identical on DVD files vs that on PC.


    Then after rearranging the directories to be tarred keeping the file size <2G and creating new compressed tarballs I burnd those files again on command line adding option "-input-charset=ISO-8859-1". Burning worked nicely without complaint. Again md5sum was found identical on DVD files vs that on PC.


    I was reluctant installing k3b on the Xen box, the server, that made me suffered for 2 days.


    Edit:

    .txt~ is classified by k3b as hidden file


    B.R.
    satimis

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