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Thread: Western Digital 2TB not mounting

  1. #1
    Join Date
    Sep 2010
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    7

    Western Digital 2TB not mounting

    Hello, im not a first time user for Ubuntu but nether am i an expert. my WD 2TB external hard drive is being detected but will not mount so i cannot view or use anything store on my hard drive... when i got in to my storage devices window and try to manually mount i get this as an error in these details.

    Error mounting: mount exited with exit code 1: helper failed with:
    mount: according to mtab, /dev/sdb1 is already mounted on /
    mount failed

    if someone can give me some help id be greatly appreciative. i really hope this is a none format kinda fix...... ><"

  2. #2
    Join Date
    Sep 2010
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    7

    Re: Western Digital 2TB not mounting

    let me make a quick amendment.... my WD was formated when i got it and i turned it into a FAT system using ubuntu 10.10 beta as the operating system... thought that might help a bit

  3. #3
    Join Date
    May 2010
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    283

    Re: Western Digital 2TB not mounting

    You're running Ubuntu off of a FAT partition? Bad idea, man... But anyways, it says that it's already mounted as your root partition. Meaning you're running the system off of that thing you're trying to mount.

  4. #4
    Join Date
    Sep 2010
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    7

    Re: Western Digital 2TB not mounting

    no... my external is running on FAT my internal hard drive ext 4 as standard with most formats with ubuntu it seems when i installed it... (my other FAT hardrive a 500 gb is fat and works just fine.....)

  5. #5
    Join Date
    Feb 2009
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    Dallas, TX
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    7,790
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Western Digital 2TB not mounting

    Could you tell us the result of:
    Code:
    $ mount -l
    $ sudo fdisk -l
    before and after you connect the disk?

  6. #6
    Join Date
    Sep 2010
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    Re: Western Digital 2TB not mounting

    Quote Originally Posted by papibe View Post
    Could you tell us the result of:
    Code:
    $ mount -l
    $ sudo fdisk -l
    before and after you connect the disk?
    For the first command line i get:
    Code:
    /dev/sdb1 on / type ext4 (rw,errors=remount-ro,commit=0)
    proc on /proc type proc (rw,noexec,nosuid,nodev)
    none on /sys type sysfs (rw,noexec,nosuid,nodev)
    fusectl on /sys/fs/fuse/connections type fusectl (rw)
    none on /sys/kernel/debug type debugfs (rw)
    none on /sys/kernel/security type securityfs (rw)
    none on /dev type devtmpfs (rw,mode=0755)
    none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
    none on /dev/shm type tmpfs (rw,nosuid,nodev)
    none on /var/run type tmpfs (rw,nosuid,mode=0755)
    none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
    binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
    gvfs-fuse-daemon on /home/sgangelstriker/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=sgangelstriker)
    then:

    Code:
    [sudo] password for sgangelstriker: 
    
    Disk /dev/sdb: 160.0 GB, 160041885696 bytes
    255 heads, 63 sectors/track, 19457 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: 0x0008dba6
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdb1   *           1       18732   150456320   83  Linux
    /dev/sdb2           18732       19458     5831681    5  Extended
    /dev/sdb5           18732       19458     5831680   82  Linux swap / Solaris
    
    Disk /dev/sda: 1999.7 GB, 1999696297984 bytes
    255 heads, 63 sectors/track, 243115 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: 0x0005a4e2
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1               1      243116  1952827392    7  HPFS/NTFS

  7. #7
    Join Date
    Jul 2010
    Location
    Suzhou, China
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    63
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Western Digital 2TB not mounting

    Can Disk Utility pick it up? System > Administration > Disk Utility.

  8. #8
    Join Date
    Sep 2010
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    7

    Re: Western Digital 2TB not mounting

    Yes it can. when i said storage devices widow i meant disk utility.... sorry but the answer is yes.... it does everything but mount.....

  9. #9
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    7,790
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Western Digital 2TB not mounting

    It appears that your 2TB external HD is /dev/sda1 (not sdb1), so try to mount it on Disk Utility or (assuming you have a /media dir):

    Code:
    $ sudo mount /dev/sda1 /media
    Regards.

  10. #10
    Join Date
    Nov 2009
    Beans
    598
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Western Digital 2TB not mounting

    Hi,

    Disk Utility (Palimpsest) will also report error.

    Your MTAB file is incorrectly configured.
    You can change it manually, by changing your '/' partition to it's actual device name.
    (Eg. My Ubuntu install had the same problem with the external drive, my Ubuntu install was at '/dev/sdb' but reported as '/dev/sdc' in MTAB, and my external drive tried mounting on '/dev/sdc' - which confused Disk Utility.

    So go into disk utility, and find your Ubuntu partition's actual device (eg. /dev/sdb), Press ALT + F2 and type 'gksudo gedit', open up /etc/mtab, and change your root partition to the device from Disk Utility.

    Example: Disk Utility displayed my Ubuntu partition as /dev/sdb although MTAB displayed it as /dev/sdc. This was obviously an error that messed up my mounting of external HDDs.
    Code:
    /dev/sdc1 / ext4 rw,errors=remount-ro 0 0
    I had to change mine:
    Code:
    /dev/sdb1 / ext4 rw,errors=remount-ro 0 0
    Restart your computer, and everything should be working.
    - Justin Reno
    Need an easy way to store files publicly or even privately without hassle over the internet to be accessed anywhere? Try Dropbox. Use this link to get an extra 250MB of storage!

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