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Thread: How can I mount this HD?

  1. #1
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    Jun 2012
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    How can I mount this HD?

    I'm trying to mount a 1TB HD that was appearing fine yesterday before I reinstalled ubuntu 12.04. I used to have a dual boot windows 7/ubuntu 12.04, and my 1TB drive would show up fine from either OS. Today, I wiped my main drive in order to use it all for Ubuntu 12.04, i.e., remove windows 7, and now I'm trying to mount the 1TB drive on the new installation without much success.

    Here is the fdisk output for the device I'm trying to mount:

    Code:
    Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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 identifier: 0x6f25ce66
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdb1   *          63  1953523119   976761528+  42  SFS

    I tried running sudo mount /dev/sdb /media, but I get: mount: you must specify the filesystem type

    If I try to run sudo mount -t sfs /dev/sdb /media, I get: mount: unkown filesystem type 'sfs'

    I also tried mounting as ntfs, ntfs-3g, and a few other types, but of course this doesn't work either.

    How can I mount this HD?

  2. #2
    Join Date
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    Re: How can I mount this HD?

    sodaa; Hi !

    Never seen a "sfs" file system, so a default mounting possibly no will workie.
    But try this:
    Make a mount point to attach the drive to the file system thus:
    Code:
    sudo mkdir /mnt/backup
    now mount the drive thus:
    Code:
    sudo mount /dev/sdb1 /mnt/backup
    See now if you can access the files on the drive and play around, When done remember will have to manually (un)mount the drive to keep the file system happy:
    Code:
    sudo umount /mnt/backup
    (yeah, u m o u n t is correct.)..

    If the manual mounting is doable, will work on getting fstab to work.
    just try'n to help <== BDQ

  3. #3
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    Re: How can I mount this HD?

    Thanks, but no luck with the mount:

    Code:
    $ sudo mount /dev/sdb1 /mnt/backup
    mount: you must specify the filesystem type
    Yah, I haven't encountered sfs before either. I was thinking the first time I went to install ubuntu I forgot to set where to place the boot loader; might it have been /dev/sdb by default and the bootloader is being interfering with the drive type/recognition somehow?

  4. #4
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    Re: How can I mount this HD?

    a bit of googling suggests it might actually be a Windows dynamic disk (LDM) - and the SFS designation is due to fdisk misinterpreting the 0x42 partition type as an SFS filesystem

    http://ubuntuforums.org/showthread.php?t=1839373

  5. #5
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    Re: How can I mount this HD?

    sodaa;
    Houston, we have a problem. (maybe)... I look at man mount -> supported file systems : and sfs is NOT listed. ---how then is fdisk able to give it an ID ??---

    Next item, grub installation:
    Code:
    sudo debconf-show grub-pc
    sudo grub-probe -t device /boot/grub
    will tell you where grub is installed to.

    If it returns "sdb" I am really going to be scratching my head!
    I still learning <== BDQ

  6. #6
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    Re: How can I mount this HD?

    Quote Originally Posted by Bashing-om View Post
    sodaa;
    Houston, we have a problem. (maybe)... I look at man mount -> supported file systems : and sfs is NOT listed. ---how then is fdisk able to give it an ID ??
    disk-id is not uuid. disk-id is for the disk , uuid is for the partition. mount does not mount disk but partitions..
    Last edited by fdrake; December 23rd, 2012 at 05:09 AM.

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  7. #7
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    Re: How can I mount this HD?

    Grub is on /dev/sda, I was just thinking, I was having problems installing before and I noticed that the default was set to /dev/sdb for boot loader, I may have left it and run an install a few times before I eventually got everything working and set up the boot loader on /dev/sda. Wasn't sure if this might have done something is all.


    $ sudo file -s /dev/sda
    /dev/sda: x86 boot sector; partition 1: ID=0x83, active, starthead 32, startsector 2048, 453122048 sectors; partition 2: ID=0x5, starthead 254, startsector 453126142, 15622146 sectors, code offset 0x63
    $ sudo file -s /dev/sdb
    /dev/sdb: x86 boot sector; partition 1: ID=0x42, active, starthead 1, startsector 63, 1953523057 sectors, code offset 0x63, OEM-ID " м", Bytes/sector 190, sectors/cluster 124, reserved sectors 191, FATs 6, root entries 185, sectors 64514 (volumes <=32 MB) , Media descriptor 0xf3, sectors/FAT 20644, heads 6, hidden sectors 309755, sectors 2147991229 (volumes > 32 MB) , physical drive 0x7e, dos < 4.0 BootSector (0x0)

  8. #8
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    Re: How can I mount this HD?

    OK, let's see what we are working with (dynamic partitioning ??)

    Give the results of terminal codes:
    Code:
    ls /dev/sdb*
    ls /dev/mapper/*
    where there is a will there is a way ==> BDQ

  9. #9
    Join Date
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    Re: How can I mount this HD?

    Code:
    $ ls /dev/sdb*
    /dev/sdb  /dev/sdb1
    $ ls /dev/mapper
    /dev/mapper/control

  10. #10
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    Re: How can I mount this HD?

    Quote Originally Posted by sodaa View Post
    I'm trying to mount a 1TB HD that was appearing fine yesterday before I reinstalled ubuntu 12.04. I used to have a dual boot windows 7/ubuntu 12.04, and my 1TB drive would show up fine from either OS. Today, I wiped my main drive in order to use it all for Ubuntu 12.04, i.e., remove windows 7, and now I'm trying to mount the 1TB drive on the new installation without much success.

    Here is the fdisk output for the device I'm trying to mount:

    Code:
    Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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 identifier: 0x6f25ce66
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdb1   *          63  1953523119   976761528+  42  SFS
    I tried running sudo mount /dev/sdb /media, but I get: mount: you must specify the filesystem type

    If I try to run sudo mount -t sfs /dev/sdb /media, I get: mount: unkown filesystem type 'sfs'

    I also tried mounting as ntfs, ntfs-3g, and a few other types, but of course this doesn't work either.

    How can I mount this HD?
    hi
    i never used it - but see:
    http://manpages.ubuntu.com/manpages/...an7/sfs.7.html
    cheers
    "What is the robbing of a bank compared to the FOUNDING of a bank?" Berthold Brecht

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