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translation : mount : bad filesystem type, bad option, bad superbloc on /dev/sda3, missing codepage or help or other in some case, some useful informations are in syslog - try ...
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  1. #11
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    translation :

    mount : bad filesystem type, bad option, bad superbloc on /dev/sda3, missing codepage or help or other
    in some case, some useful informations are in syslog - try dmesg / tail or so

  2. #12
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    ubuntu@ubuntu:~$ sudo umount /dev/sda3
    umount: /dev/sda3: n'est pas monté
    [= /dev/sda3: is not mounted]

    ubuntu@ubuntu:~$ sudo fsck.ext3 /dev/sda3
    e2fsck 1.41.4 (27-Jan-2009)
    fsck.ext3: Attempt to read block from filesystem resulted in short read lors de la tentative d'ouverture de /dev/sda3
    Peut-ętre cette partition est-elle de taille zéro*?
    [=Maybe this partition is of size zero]


    /dev/sda3 should be around 200 Gb
    and yes, sure it is ext3 (as it is the only one I know, so the one I choose when I installed)

  3. #13
    Super Moderator devils casper's Avatar
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    desktop appear when I agree to follow up the boot with /root
    Boot Ubuntu from harddisk and press Alt+Ctrl+F4 or F5 at Desktop. It switch to command prompt. Execute adduser command to create new user. Check if Ubuntu creates a new user.

    /dev/sda3 1521 30515 232902337+ 83 Linux
    [=Maybe this partition is of size zero]
    fdisk is showing correct size of /dev/sda3. It looks like /dev/sda3 has been corrupted somehow and fsck is not recongnizing it. How old is your Hard disk?
    Try to mount it without filesystem option.
    Code:
    sudo mkdir /media/sda3
    sudo mount /dev/sda3 /media/sda3
    ls /media/sda3
    It is amazing what you can accomplish if you do not care who gets the credit.
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  4. #14
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    Quote Originally Posted by devils casper View Post
    Boot Ubuntu from harddisk and press Alt+Ctrl+F4 or F5 at Desktop. It switch to command prompt. Execute adduser command to create new user. Check if Ubuntu creates a new user.
    [/code]
    Ok that worked ! had to try a few times but now I'm running again on my HD and no more on the live-cd

    But the old user is still inaccessible and can't access my "old documents"... is there a way to import the all thing ?

  5. #15
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    oups my new user is on /dev/sda1 ... (

    /dev/sda3 is still unexisting...

  6. #16
    Linux Enthusiast minthaka's Avatar
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    Before you attempt to do anything else, download Puppy Linux, burn it on a CD and boot from that CD. If Puppy doesn't see your partition, that means it's dead or seriously corrupted. If you can find the partition, backup your documents. I recommend Puppy for it's very liberal with the permissions. And I found very useful to have desktop environment at hand when I do the changes manually.
    If you need a CD/DVD catalogizer, give a try to my program:
    http://www.kde-apps.org/content/show...content=100682
    Linux Usert#430188

  7. #17
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    Think my HD is dead....
    Puppy couldn't mount it either...

    the partition is always there in the "fdisk -l" but nowhere else....

  8. #18
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    Got more troubles...

    got "help" from ubuntu forum but now it's whorst !!

    have been asked to look for the superblock backup. seems normal because of [bad superblock]. So here is what I've done :
    -------------------------------------------------------------

    ubuntu@ubuntu:~$ sudo fdisk -l

    Disk /dev/sda: 251.0 GB, 251000193024 bytes
    255 heads, 63 sectors/track, 30515 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Disk identifier: 0xb409b409

    Device Boot Start End Blocks Id System
    /dev/sda1 * 1 1216 9767488+ 83 Linux
    /dev/sda2 1217 1520 2441880 82 Linux swap / Solaris
    /dev/sda3 1521 30515 232902337+ 83 Linux

    ubuntu@ubuntu:~$ sudo mke2fs -n /dev/sda3
    mke2fs 1.41.4 (27-Jan-2009)
    Filesystem label=
    OS type: Linux
    Block size=4096 (log=2)
    Fragment size=4096 (log=2)
    14557184 inodes, 58225584 blocks
    2911279 blocks (5.00%) reserved for the super user
    First data block=0
    Maximum filesystem blocks=0
    1777 block groups
    32768 blocks per group, 32768 fragments per group
    8192 inodes per group
    Superblock backups stored on blocks:
    32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
    4096000, 7962624, 11239424, 20480000, 23887872

    ubuntu@ubuntu:~$ sudo e2fsck -b 32768 /dev/sda3
    e2fsck 1.41.4 (27-Jan-2009)
    Superblock needs_recovery flag is clear, but journal has data.
    Recovery flag not set in backup superblock, so running journal anyway.
    /dev/sda3: recovering journal
    e2fsck: Attempt to read block from filesystem resulted in short read while trying to re-open /dev/sda3
    e2fsck: io manager magic bad!
    ---------------------------------------------------------

    dmesg | tail then :

    [ 1140.301347] Buffer I/O error on device sda, logical block 0
    [ 1140.301423] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
    [ 1140.301429] end_request: I/O error, dev sda, sector 490234744
    [ 1140.301433] Buffer I/O error on device sda, logical block 61279343
    [ 1140.301455] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
    [ 1140.301461] end_request: I/O error, dev sda, sector 490234744
    [ 1140.301464] Buffer I/O error on device sda, logical block 61279343
    [ 1140.301512] sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
    [ 1140.301518] end_request: I/O error, dev sda, sector 0
    [ 1140.301521] Buffer I/O error on device sda, logical block 0
    ---------------------------------------------------

    then just to check (no, I'm not anxious ) :

    ubuntu@ubuntu:~$ blkid
    /dev/loop0: TYPE="squashfs"
    /dev/sda2: TYPE="swap" UUID="d93b2a77-303f-4f4d-b28c-39e75f6c3844"
    ubuntu@ubuntu:~$ sudo fdisk -l
    ubuntu@ubuntu:~$

    So I reboot (always on live-cd)

    ubuntu@ubuntu:~$ sudo fdisk -l
    ubuntu@ubuntu:~$ blkid
    /dev/loop0: TYPE="squashfs"
    ubuntu@ubuntu:~$


    And that's it... nothing left to play with....

    Is there still some hope ??

  9. #19
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    forgot to add the beautiful /var/log/fsck/checkfs :

    Log of fsck -C3 -R -A -a
    Wed Dec 30 18:33:41 2009

    fsck 1.41.4 (27-Jan-2009)

    Wed Dec 30 18:33:41 2009
    ----------------

    and /etc/fstab :

    aufs / aufs rw 0 0
    tmpfs /tmp tmpfs nosuid,nodev 0 0
    ---------------------------------------


    Live-cd, running on the RAM and nothing else....

  10. #20
    Super Moderator devils casper's Avatar
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    Try testdisk to recover partition table. Boot up from Ubuntu LiveCD and download testdisk script. Execute testdisk script in Terminal and follow instructions.

    Testdisk is available in PartedMagic LiveCD. Its easy to use that.
    It is amazing what you can accomplish if you do not care who gets the credit.
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