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Thread: External USB WD Elements HDD Unmountable, Error

  1. #1
    Join Date
    May 2010
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    17

    Cool External USB WD Elements HDD Unmountable, Error

    Hi all,

    I'm using a 1 TB external HDD from Western Digital, Element series. Formatted as NTFS.

    I was able to mount the drive and use it as normal in Karmic.

    However, while creating folders within the drive recently, the drive unmounted itself silently. So after waiting for 2 mins, I unplugged the USB and replug it.
    I have a VBOX windows XP running in background, not sure if the virtualized windows did anything to it...

    And I got this error message and some instructions for windows system:

    Code:
    Error mounting: mount exited with exit code 13: $MFTMirr does not match $MFT (record 0).
    Failed to mount '/dev/sdb1': Input/output error
    NTFS is either inconsistent, or there is a hardware fault, or it's a
    SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
    then reboot into Windows twice. The usage of the /f parameter is very
    important! If the device is a SoftRAID/FakeRAID then first activate
    it and mount a different device under the /dev/mapper/ directory, (e.g.
    /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation
    for more details.
    I can't even mount to check it.

    Any one knows any software approach to handle this situation?

    I really hope it's not a hardware fault, or I'll have to open up the casing, and prepare for the worst...

    Edit:

    Ok the HDD works fine with a Windows OS machine.
    I'm just guessing a work around: Does anyone knows a way to reset the $MFT or MFTMirr records please?

    Edit2:
    Ok solved it using ntfsprogs package

    Get package
    Code:
    sudo apt-get install ntfsprogs
    fix it
    Code:
    sudo ntfsfix /dev/sdb1
    Should fix immediately without reboot.
    Replace the device path with your own error report's device path.

    Reference:
    http://art.ubuntuforums.org/showthread.php?p=8627316
    http://ubuntuforums.org/archive/inde...t-1333205.html

    Edit3:

    Certain files that were being moved around before the silent unmounting event, now cannot be moved or deleted, but they can be copied and accessed.
    Code:
    Unable to trash file: Input/output error
    Error removing file: No such file or directory
    Probably need a system restart...

    Edit4: There's still some inconsistency errors. My findings are the same with coffeecat: you need to plug it into the windows operating system to run checks for a proper fix. There are also some data corruption, though the exact number of files affected is unknown. Woe be me for NTFS...
    Last edited by Tiko; October 31st, 2010 at 12:35 AM. Reason: Solved, but with some issues

  2. #2
    Join Date
    Feb 2006
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    Belo Horizonte
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    106
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: External USB WD Elements HDD Unmountable, Error

    Thought I lost everything... 1.2 TB of data, restored thanks to your post. ntfsfix did the trick. Thanks

  3. #3
    Join Date
    Apr 2006
    Location
    Waroona, WA, Australia
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    193
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: External USB WD Elements HDD Unmountable, Error

    saved me hours as well! Great post.

  4. #4
    Join Date
    Mar 2006
    Location
    Dublin, Ireland
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    42

    Re: External USB WD Elements HDD Unmountable, Error

    after running sudo ntfsfix /dev/sdb1

    I get this error...

    Refusing to operate on read-write mounted device /dev/sdb1

    any suggestion on how to fix this?
    Mint 9 (Isadora)

  5. #5
    Join Date
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    UK
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    Hidden!
    Distro
    Ubuntu 13.10 Saucy Salamander

    Re: External USB WD Elements HDD Unmountable, Error

    Quote Originally Posted by jaqian View Post
    any suggestion on how to fix this?
    The ntfsfix manual (man ntfsfix) has this to say:

    ntfsfix is a utility that fixes some common NTFS problems. ntfsfix is NOT a Linux version of chkdsk. It only repairs some fundamental NTFS inconsistencies, resets the NTFS journal file and schedules an NTFS consistency check for the first boot into Windows. You may run ntfsfix on an NTFS volume if you think it was damaged by Windows or some other way and it cannot be mounted.
    So you probably need to repair that filesystem with chkdsk from Windows. I'm surprised an earlier poster managed to fix the problem with ntfsfix alone.

    One other thing to say: if what some posters in other threads are saying is correct, there are some WD Elements drives shipping with some oddity with the formatting which is causing problems. This can be solved by using Gparted to create a new partition table and then a new partition. This, of course, will lose you any data on the drive. Having said that I've used two Elements external drives formatted NTFS without problems, so I guess the issues in this thread are down to filesystem corruption caused by unclean unmounts. In which case, chksdk in Windows is your only definitive option.

    Please do not PM me about your forum account unless you have been asked to. The correct place to contact an admin about your account is here.

  6. #6
    Join Date
    Mar 2006
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    Re: External USB WD Elements HDD Unmountable, Error

    Thanks coffeecat, I have it fixed now. Very strange I kept repairing it with chkdsk /f in winXP but kept failing in Mint9. I eventually formatted it as ext3 then went into windows and reformatted as ntfs took literally hours but is working fine now.

    I think the problem may lie with gParted formatting as ntfs as once I got windows to do it, it seems ok.

    Thanks
    Mint 9 (Isadora)

  7. #7
    Join Date
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    Ubuntu 13.10 Saucy Salamander

    Re: External USB WD Elements HDD Unmountable, Error

    Quote Originally Posted by jaqian View Post
    Thanks coffeecat, I have it fixed now. Very strange I kept repairing it with chkdsk /f in winXP but kept failing in Mint9. I eventually formatted it as ext3 then went into windows and reformatted as ntfs took literally hours but is working fine now.
    You should have chosen the quick format option. That's if XP has the quick format option. Long time no see, you see.

    Quote Originally Posted by jaqian View Post
    I think the problem may lie with gParted formatting as ntfs as once I got windows to do it, it seems ok.
    I don't think the problem was necessarily with gparted because I've used Gparted to create NTFS partitions to be used as C: drives for XP, Vista and W7 as well as data drives and Windows has never demurred. But I'm glad you fixed it.

    Please do not PM me about your forum account unless you have been asked to. The correct place to contact an admin about your account is here.

  8. #8
    Join Date
    Jan 2011
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    1

    Re: External USB WD Elements HDD Unmountable, Error

    This was my first attempt at fixing a problem myself by researching online/reading posts... that u so much!!! I feel so proud now I could cry haha guess I can consider myself a real ubuntu user now Most importantly u really saved my life, was devastated at the thought of having possibly lost all the data on my xternal HD, would have been a disaster, seeing how it was my only backup and I've recently lost everything on my pc HD while installing ubuntu... thank u again, look forward to solving future problems and learning more with u guys!!! ^_^

  9. #9
    Join Date
    Jan 2008
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    122

    Re: External USB WD Elements HDD Unmountable, Error

    AMAZING fix!!! thanks so much, solution so simple, thank you x 1000000

  10. #10
    Join Date
    Sep 2009
    Beans
    67
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: External USB WD Elements HDD Unmountable, Error

    Just got my WD elements drive yesterday and am having same mounting trouble as described. I'll have to try out these awesome suggestions.

    ThankS!!!


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