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Unable to find device node for /dev/ad0s1b in /dev! - FreeBSD

Sajith K <ksajith> writes: > When I tried to install freebsd 5.3 in a PIII machine > with 80GB hard disk I get the following error: > > "Unable to find device node for /dev/ad0s1b in /dev!" > "The creation of filesystems will be aborted" > > Could some one help me out ? Sounds like you forgot to allocate (and commit) the slices before you tried to create the partitions......

  1. #1

    Default Re: Unable to find device node for /dev/ad0s1b in /dev!

    Sajith K <ksajith> writes:
    > When I tried to install freebsd 5.3 in a PIII machine
    > with 80GB hard disk I get the following error:
    >
    > "Unable to find device node for /dev/ad0s1b in /dev!"
    > "The creation of filesystems will be aborted"
    >
    > Could some one help me out ?
    Sounds like you forgot to allocate (and commit) the slices before you
    tried to create the partitions...
    Lowell Gilbert Guest

  2. #2

    Default Re: Unable to find device node for /dev/ad0s1b in /dev!

    i did create the slices using default option (A)
    and partions using default option (A).

    now i see the following problem:

    "mounting error /mnt/dev/ad0s1f on /mnt/usr :
    Input/output error"

    i think it is the problem with the disk geometry
    i don't know what. i have a 80GB disk, and i tried
    changing the mode from LBA to NORMAL to LARGE in the
    BIOS setting but it didn't help. /usr is the the
    last partition in the default list of partiontions.

    thanks in advance for your time

    sajith

    --- Lowell Gilbert
    <freebsd-questions-localbe-well.ilk.org> wrote:
    > Sajith K <ksajith> writes:
    >
    > > When I tried to install freebsd 5.3 in a PIII
    > machine
    > > with 80GB hard disk I get the following error:
    > >
    > > "Unable to find device node for /dev/ad0s1b in
    > /dev!"
    > > "The creation of filesystems will be aborted"
    > >
    > > Could some one help me out ?
    >
    > Sounds like you forgot to allocate (and commit) the
    > slices before you
    > tried to create the partitions...
    >



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    Sajith K Guest

  3. #3

    Default Unable to find device node for /dev/ad0s1b in /dev!

    I had this same type problem. It appears that FreeBSD and the BIOS did
    not select the proper geometry for the disk. I tried a different disk
    on the same system, and I was able to install.

    Knopptix reported a different geometry than FreeBSD, so I tried setting
    the geometry to match what Knopptix reported, but, the installation
    graphical fdisk told me the Knopptix geometry was "unrealistic", and set
    it back to the BIOS geometry.

    I installed the system on a different drive, and then used the command
    line fdisk command to partition the disk with the Knopptix geometry. I
    was then able to set the labels and mount the errant drive.


    Keith
    Keith Guest

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