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Thread: Unable to mount external hard drive

  1. #1
    Join Date
    Sep 2011
    Beans
    4

    Unable to mount external hard drive

    I'm running Ubuntu 10.04, and the hard drive I'm using worked for awhile, but then I tried to put a bunch of things on it, left the computer alone for awhile, and when I came back I got the "unable to mount" error message again and again, no matter how much I restart.

    I opened a terminal and I have the following I/O. Any help is appreciated.

    michael@michael-laptop:~$ sudo fdisk -l

    Disk /dev/sda: 250.1 GB, 250059350016 bytes
    255 heads, 63 sectors/track, 30401 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0xf99b3d64

    Device Boot Start End Blocks Id System
    /dev/sda1 * 1 29319 235504836 83 Linux
    /dev/sda2 29320 30401 8691165 5 Extended
    /dev/sda5 29320 30401 8691133+ 82 Linux swap / Solaris

    Disk /dev/sdd: 60.0 GB, 60011642880 bytes
    255 heads, 63 sectors/track, 7296 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x28f12a69

    Device Boot Start End Blocks Id System
    /dev/sdd1 * 1 7294 58589023+ 7 HPFS/NTFS

    michael@michael-laptop:~$ sudo df -h

    Filesystem Size Used Avail Use% Mounted on
    /dev/sda1 222G 7.7G 203G 4% /
    none 1.5G 296K 1.5G 1% /dev
    none 1.5G 1000K 1.5G 1% /dev/shm
    none 1.5G 192K 1.5G 1% /var/run
    none 1.5G 0 1.5G 0% /var/lock
    none 1.5G 0 1.5G 0% /lib/init/rw

    michael@michael-laptop:~$ sudo mount -t ntfs-3g /dev/sdd1 /media/external

    $MFTMirr does not match $MFT (record 0).
    Failed to mount '/dev/sdd1': 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.

  2. #2
    Join Date
    Jun 2006
    Location
    UK
    Beans
    Hidden!
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Unable to mount external hard drive

    The answer is in the output to your mount command:

    Quote Originally Posted by miryafa View Post
    NTFS is either inconsistent, or there is a hardware fault, or it's a
    SoftRAID/FakeRAID hardware.
    Since it worked before this you can exclude the fakeraid possibility, which leaves a hardware fault or filesystem inconsistency. Linux will not mount a damaged filesystem as a precaution against further damage. As NTFS is a Microsoft fileystem you need to run chkdsk from a Windows system to repair it. The Linux utility ntfsfix is not a viable alternative. You need a Windows system and chkdsk.
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  3. #3
    Join Date
    Sep 2011
    Beans
    4

    Re: Unable to mount external hard drive

    Thanks for the tip Coffeecat. I'll put that into play.

  4. #4
    Join Date
    Sep 2011
    Beans
    4

    Re: Unable to mount external hard drive

    And that worked! I was able to use a friend's Windows XP and ran chkdsk /f on restart, restarted the computer, ran the chkdsk, restarted again, and then tried the hard drive with my linux, and it worked.

    Thanks!

  5. #5
    Join Date
    Jun 2006
    Location
    UK
    Beans
    Hidden!
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Unable to mount external hard drive

    That's good news. I'm glad to hear it.
    Ubuntu 16.04 Desktop Guide - Ubuntu 18.04 Desktop Guide - Forum Guide to BBCode - Using BBCode code tags - IRC #ubuntuforums

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