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Thread: Partition not showing up

  1. #1
    Join Date
    Jan 2009
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    43

    Partition not showing up

    Ok so I'm having problems trying to install Ubuntu 10.10 onto a partition that I have created. I boot from disc, select that I want to instal it to a partition and when I get to the list of available partitions, it is not listed. Any idea why this is happening?

  2. #2
    Join Date
    Apr 2009
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    Mangalore India
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    803
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    Lubuntu 18.04 Bionic Beaver

    Re: Partition not showing up

    Hi
    Use GParted from the ubuntu live cd and then redo the partition. Moreover the Linux names the partition as sda1 etc.
    Please see the tutorials of partitioning by psychocats
    With regards
    Dr Kurian
    Microsoft gives you Windows... Linux gives you the whole house.

  3. #3
    Join Date
    Apr 2009
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    Rawalpindi, Pakistan
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    Ubuntu Gnome Development Release

    Re: Partition not showing up

    Please post the output of

    Code:
    sudo fdisk -l
    from terminal.

  4. #4
    Join Date
    Jan 2009
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    43

    Re: Partition not showing up

    I ran fdisk -l and this is what I got:

    Disk /dev/sda: 500.1 GB, 500107862016 bytes
    255 heads, 63 sectors/track, 60801 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: 0xf2b66014

    Device Boot Start End Blocks Id System
    /dev/sda1 1 1 992+ 42 SFS
    Partition 1 does not end on cylinder boundary.
    /dev/sda2 * 1 26 203776 42 SFS
    Partition 2 does not end on cylinder boundary.
    /dev/sda3 26 26 4045 42 SFS
    /dev/sda4 27 56052 450028845 42 SFS


    I then ran gparted and noticed that while my partitions were showing up, all the partition sizes were wrong. sda3, which I have aptly named "Ubuntu" for this install is being listed as 4mb, while under Windows it is listed as 15gb.

    EDIT: Also, when I browse my disk on while on the live cd, the partitions show up just fine, with the correct sizes.
    Last edited by Nater43; October 17th, 2010 at 05:33 PM.

  5. #5
    Join Date
    May 2007
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    Virginia, USA
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    13,338
    Distro
    Ubuntu Mate Development Release

    Re: Partition not showing up

    You have an MS Windows install on this machine? Or, I should have asked HAD...

    When Linux reports SFS for MS Windows machines, that generally means that the Windows machine HDD was formatted using Dynamic Volumes.

    If that's what your machine HAD, and you messed with them using GParted, you most likely trashed your machine big-time.

    If, however, you did not have an MS Windows install on your machine, then I don't know why GParted is reporting the partitions as SFS.
    Ubuntu 19.10 Mate, Mint 19.2 Mate; MS Win10 Pro.
    Will not respond to PM requests for support -- use the forums.

  6. #6
    Join Date
    Oct 2009
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    Elgin, IL USA
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    3,363
    Distro
    Ubuntu 16.10 Yakkety Yak

    Re: Partition not showing up

    Partition type 42 is a Windows specific dynamic partitioning type that Linux may not be fully aware of or feel safe modifying.

    42 Windows 2000 dynamic extended partition marker If a partition table entry of type 0x42 is present in the legacy partition table, then W2K ignores the legacy partition table and uses a proprietary partition table and a proprietary partitioning scheme (LDM or DDM). As the Microsoft KnowledgeBase writes: Pure dynamic disks (those not containing any hard-linked partitions) have only a single partition table entry (type 42) to define the entire disk. Dynamic disks store their volume configuration in a database located in a 1-MB private region at the end of each dynamic disk.

  7. #7
    Join Date
    Jan 2009
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    43

    Re: Partition not showing up

    I have not touched the partitions yet, as I was unsure of what was going on. I've never come across this problem before with partitions. Any way I could fix this under Windows?

  8. #8
    Join Date
    Mar 2010
    Location
    Woonsocket, RI USA
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    3,195

    Re: Partition not showing up

    I've never tried it, but Partition Wizard's home page claims that it supports converting Windows dynamic disks to standard disks without data loss. It could be worth checking out, but I recommend caution. Make backups of all your important data before proceeding.

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