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Thread: Internal hard disk not mounting

  1. #1
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    Internal hard disk not mounting

    Hi,
    I installed Ubuntu 12.10 through DVD. Previously i had Win 7 with 500 GB internal HDD. It had 4 partitions. When installing Ubuntu, i had given the option of replace win 7 with Ubuntu. The installation has been complete. But the problem is, the computer section in Ubuntu shows 500 GB hard disk in the list. But, when i try to open the hard disk it shows error message as unable to mount. Please help.

  2. #2
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    Re: Internal hard disk not mounting

    Thee 500GB is the entire HD
    Which has been carved up in to partitions by the installer.

    You will probably now have

    swap
    extended
    ext4 /

    Open a terminal and post result of

    Code:
    sudo parted -l
    Ubuntu Member Always something different. Promoting Ubuntu and System 76 at TUXPC

  3. #3
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    Re: Internal hard disk not mounting

    Quote Originally Posted by carl4926 View Post
    Thee 500GB is the entire HD
    Which has been carved up in to partitions by the installer.

    You will probably now have

    swap
    extended
    ext4 /

    Open a terminal and post result of

    Code:
    sudo parted -l
    Hi, this is what i got...

    Model: ATA TOSHIBA MK5075GS (scsi)
    Disk /dev/sda: 500GB
    Sector size (logical/physical): 512B/512B
    Partition Table: msdos

    Number Start End Size Type File system Flags
    1 1049kB 256MB 255MB primary ext2 boot
    2 257MB 500GB 500GB extended
    5 257MB 500GB 500GB logical lvm


    Model: Linux device-mapper (linear) (dm)
    Disk /dev/mapper/ubuntu-root: 496GB
    Sector size (logical/physical): 512B/512B
    Partition Table: loop

    Number Start End Size File system Flags
    1 0.00B 496GB 496GB ext4


    Model: Linux device-mapper (linear) (dm)
    Disk /dev/mapper/ubuntu-swap_1: 4236MB
    Sector size (logical/physical): 512B/512B
    Partition Table: loop

    Number Start End Size File system Flags
    1 0.00B 4236MB 4236MB linux-swap(v1)

    Selection_003.png
    Last edited by drpudhi; March 31st, 2013 at 05:59 AM.

  4. #4
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    Re: Internal hard disk not mounting

    Oh OK
    It used LVM. It's OK. I just never use LVM myself. I prefer standard partitioning.

    I'm guessing your confusion comes from the Icon showing the complete HD.
    Ignore it.
    All your personal files are in /home/username* (*whatever your username is)
    When you open the file browser it should open there: Documents, Music, Pictures.....
    Ubuntu Member Always something different. Promoting Ubuntu and System 76 at TUXPC

  5. #5
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    Re: Internal hard disk not mounting

    Yes...Is there a way i can partition the HDD as it used to show in my previous windows? thanks for the help.

  6. #6
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    Re: Internal hard disk not mounting

    Quote Originally Posted by drpudhi View Post
    Yes...Is there a way i can partition the HDD as it used to show in my previous windows? thanks for the help.
    Not sure what you mean exactly.
    Linux (Ubuntu) is not windows. It uses a completely different file system and set of principles.

    However. If it had been me. I would have used Parted Magic to create my partitions. I would have created a standard DOS MBR Partition Table and done:
    swap 2GB or 2xRAM
    ext4 for / 30GB
    ext4 for /home all the remaining space

    Then you install and go this way: https://dl.dropbox.com/u/10573557/Ub...0_advanced.png
    Then set the mount points as required: https://dl.dropbox.com/u/10573557/Ub..._root_home.png


    Having said that. What you have will work just fine. I'm not sure what it is you feel is missing?
    Last edited by carl4926; March 31st, 2013 at 06:10 AM. Reason: typo
    Ubuntu Member Always something different. Promoting Ubuntu and System 76 at TUXPC

  7. #7
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    Re: Internal hard disk not mounting

    Quote Originally Posted by carl4926 View Post
    Not sure what you mean exactly.
    Linux (Ubuntu) is not windows. It uses a completely different file system and set of principles.

    However. If it had been me. I would have used Parted Magic to create my partitions. I would have created a standard DOS MBR Partition Table and done:
    swap 2GB or 2xRAM
    ext4 for / 30GB
    ext4 for /home all the remaining space

    Then you install and go this way: https://dl.dropbox.com/u/10573557/Ub...0_advanced.png
    Then set the mount points as required: https://dl.dropbox.com/u/10573557/Ub..._root_home.png


    Having said that. What you have will work just fine. I'm not sure what it is you feel is missing?
    Thanks a lot...Actually what i was expecting was that in win 7 i had four partitions, C:/, E:/, F:/ for my various set of files and OS. Was expecting something of that sort. There even if i re installed the win OS, the files in other partitions other than C:/ will be intact without need for backing up.

  8. #8
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    Re: Internal hard disk not mounting

    Quote Originally Posted by drpudhi View Post
    Thanks a lot...Actually what i was expecting was that in win 7 i had four partitions, C:/, E:/, F:/ for my various set of files and OS. Was expecting something of that sort. There even if i re installed the win OS, the files in other partitions other than C:/ will be intact without need for backing up.

    That's why I create /home on a separate partition

    Typically Ubuntu doesn't do that, which annoys me

    This is what my eeepc looks like
    https://docs.google.com/file/d/0B3e0...it?usp=sharing

    Ignore the SUSE labels. Currently it has Mint and Ubuntu

    I use sda9 as a sandbox (Testing)

    I have root partitions of about 20GB and /home of 65+GB

    So when it comes to a OS upgrade I format / but keep /home as is
    Ubuntu Member Always something different. Promoting Ubuntu and System 76 at TUXPC

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