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Thread: Problem installing..no root filesystem defined

  1. #1
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    Problem installing..no root filesystem defined

    I had a problem with my 9.8 version of ubuntu. It sort of crashed,showed up a grub error.

    So I thought,I will install 10.04...But when i started on with the installation

    While I was doing the installation process,in step 5 it came like this

    "No root file system is defined.

    Please correct this from the partitioning menu".

    I guess my disk space is less or should i change hardware?

    Would be greatful if anyone can help me out here!


    I tried sudo apt-get dmraid
    ubuntu@ubuntu:~$ sudo apt-get remove dmraid
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    The following packages will be REMOVED:
    dmraid
    0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
    After this operation, 184kB disk space will be freed.
    Do you want to continue [Y/n]? y
    (Reading database ... 129800 files and directories currently installed.)
    Removing dmraid ...
    update-initramfs is disabled since running on read-only media
    Processing triggers for man-db ...
    ubuntu@ubuntu:~$

    between i am not much into all these stuffs..please help me out with the steps...

  2. #2
    dino99's Avatar
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    Re: Problem installing..no root filesystem defined

    welcome

    your issue is all about how to format: you need to make the "/" partition "bootable": take time to set the formatting choices correctly then validate them step by step (for each created partition)

    installing dmraid can bring you in troubles if you are not used with raid.

    sudo dmraid -rE

    http://ubuntuforums.org/showpost.php...28&postcount=2
    Last edited by dino99; December 4th, 2010 at 05:27 PM.

  3. #3
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    Re: Problem installing..no root filesystem defined

    Quote Originally Posted by dino99 View Post
    welcome

    your issue is all about how to format: you need to make the "/" partition "bootable": take time to set the formatting choices correctly then validate them step by step (for each created partition)

    http://ubuntuforums.org/showpost.php...28&postcount=2
    When i open gparted it doesnt show anything.


  4. #4
    dino99's Avatar
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    Re: Problem installing..no root filesystem defined

    so is there an hdd or ssd inside your system ?

    as you have tried dmraid previously, boot on a livecd and run the command given to remove dmraid before doing anything else.
    Last edited by dino99; December 4th, 2010 at 05:34 PM.

  5. #5
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    Re: Problem installing..no root filesystem defined

    Quote Originally Posted by dino99 View Post
    so is there an hdd or ssd inside your system ?
    You mean hard disk?..Yes i do have..I have been upgrading different versions of ubuntu for the past 4,5 years...never came across this problem..

  6. #6
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    Re: Problem installing..no root filesystem defined

    i am booting from live cd only now

  7. #7
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    Re: Problem installing..no root filesystem defined

    Two things to review:

    Run chkdsk on any NTFS partitions even if they currently work.

    http://www.rodsbooks.com/missing-parts/index.html

    You could also download the very newest gparted liveCD and see if that sees your drive.
    http://gparted.sourceforge.net/download.php
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  8. #8
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    Re: Problem installing..no root filesystem defined

    ubuntu@ubuntu:~$ sudo ntfsfix /dev/disk
    Mounting volume... Error opening partition device: Is a directory.
    Failed to startup volume: Is a directory.
    FAILED
    Attempting to correct errors... Error opening partition device: Is a directory.
    FAILED
    Failed to startup volume: Is a directory.
    Volume is corrupt. You should run chkdsk.
    ubuntu@ubuntu:~$

    how do you run chdsk?

  9. #9
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    Re: Problem installing..no root filesystem defined

    You have to run it from a windows CD. And you have to rerun it until there are no errors as it does not fix everything on one pass.

    XP CHKDSK
    chkdsk drive /p /r
    The chkdsk command checks the specified drive and repairs or recovers the drive if the drive requires it. The command also marks any bad sectors and it recovers readable information. Run chkdsk several times, until no more errors are detected.
    chkdsk c: /r

    Vista/7 CHKDSK
    chkdsk C: /f /r
    /f : Fixes errors on the disk.
    /r : Locates bad sectors and recovers readable information.
    http://www.microsoft.com/resources/d....mspx?mfr=true

    If your PC did not come with a complete Vista or Win7 installation CD, you can download a Recovery Disc at the following links:
    Windows Vista/7 Recovery Disc - for repairs only
    http://neosmart.net/blog/2008/window...disc-download/
    http://neosmart.net/blog/2009/window...-repair-discs/
    Vista/7 will not repair XP (they create the boot sectors differently) but can run chkdsk.
    http://support.microsoft.com/kb/927392
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







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