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  1. #1
    Join Date
    Feb 2018
    Location
    Pune, India
    Posts
    2

    Hard disk not detected

    Hello,

    I am trying to install Fedora 27 using the live installation media on an old DELL Latitude E6410. The laptop currently has windows installed and has two hard disks / partitions of 125GB each. However, the Fedora 27 installer detects only a 128MB disk. Doing /sbin/fdisk -l yields the output at the end of this message. Could someone enlighten me as to why this is happening?

    Nachiket

    Disk /dev/sda: 128 MiB, 134217728 bytes, 262144 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x01e85800

    Device Boot Start End Sectors Size Id Type
    /dev/sda1 * 1 16450550 16450550 7.9G 0 Empty


    Disk /dev/loop0: 1.4 GiB, 1535807488 bytes, 2999624 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/loop1: 6.5 GiB, 6981419008 bytes, 13635584 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/loop2: 32 GiB, 34359738368 bytes, 67108864 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/mapper/live-rw: 6.5 GiB, 6981419008 bytes, 13635584 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes


    Disk /dev/mapper/live-base: 6.5 GiB, 6981419008 bytes, 13635584 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes

  2. #2
    Join Date
    Dec 2012
    Location
    santa barbara, CA
    Posts
    758

    Re: Hard disk not detected

    Well,

    this is what a normal fdisk should look like:

    Code:
    Disk /dev/sdb: 465.8 GiB, 500107862016 bytes, 976773168 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x703a3379
    
    Device     Boot Start       End   Sectors   Size Id Type
    /dev/sdb1        2048 976773119 976771072 465.8G 83 Linux
    I am puzzled by your /dev/sda and /dev/sda1 showing, one 128Mb , and the other one 7.9G
    The sda1 shows, after the size, type 0 (not 83 like linux)

    Are you booting in "UEFI" mode, or "Legacy" mode ?
    "monsters John ... monsters from the ID..."
    "ma vule teva maar gul nol naya"

  3. #3
    Join Date
    Feb 2018
    Location
    Pune, India
    Posts
    2

    Re: Hard disk not detected

    Thanks for the reply. I have booted in both "UEFI" and "Legacy" mode. It makes no difference.

  4. #4
    Join Date
    Nov 2008
    Posts
    415

    Re: Hard disk not detected

    It looks like you have lvm volumes and you need to use the lvm tools. I don't think fdisk works with lvm. (I don't use lvm and know next to nothing about it.)

  5. #5
    Join Date
    Jan 2013
    Location
    Ventura, CA
    Posts
    371

    Re: Hard disk not detected

    You should use Windows to free up space before trying to install Fedora. When you create your partitions (/, /home and swap), you might want to choose to use "regular" partitions
    instead of LVM. I, like dswaner, don't use it. I like to keep my installs simple and in my opinion LVM makes things unnecessarily complicated.

  6. #6
    Join Date
    Jul 2005
    Posts
    876

    Re: Hard disk not detected

    fdisk identifies partitions that are allocated to lvm. Here's a snip of fdisk -l from a dual-boot laptop with windows 7/fedora 27:
    Code:
    [root@lc5430 ~]# fdisk -l
    Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x984b2fd1
    
    Device     Boot     Start       End   Sectors   Size Id Type
    /dev/sda1  *         2048    206847    204800   100M  7 HPFS/NTFS/exFAT
    /dev/sda2          206848 251043839 250836992 119.6G  7 HPFS/NTFS/exFAT
    /dev/sda3       518623232 519647231   1024000   500M 83 Linux
    /dev/sda4       519647232 976773119 457125888   218G  5 Extended
    /dev/sda5       519649280 976773119 457123840   218G 8e Linux LVM
    
    
    
    
    Disk /dev/mapper/fedora_lc5430-root: 50 GiB, 53687091200 bytes, 104857600 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    ...
    As mentioned, use lvm tools to manipulate logical volume "partitions", and each lv shows up in fdisk as /dev/mapper/<volumename> entries
    ======
    Doug G
    ======

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