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Thread: ddrescue input/output error external Hard drive help!

  1. #1
    Join Date
    May 2007
    Beans
    27

    Angry ddrescue input/output error external Hard drive help!

    I've been having a load of trouble trying to recover my data from my
    external HD.
    Background info:
    Hard drive: Western Digital 1TB MyBook formatted to NTFS
    Problem started when: I think I didn't shut down windows properly or
    didn't "Safely Remove Hardware"
    I tried force mounting it in Ubuntu and that only made matters worse.

    So now I'm stuck trying to get chunks off of it (b/c I don't have an extra 1TB hd laying around) onto an image with
    ddrescue

    sudo ddrescue -s 32000000000 -d -v /dev/sdb1 /media/disk-1/rescue/backup.img

    This finished without any errors.

    Output:
    Starting positions: infile = 0 B, outfile = 0 B
    Copy block size: 128 hard blocks
    Hard block size: 512 bytes
    Max_retries: 0
    Direct: yes Sparse: no Split: yes Truncate: no

    Press Ctrl-C to interrupt
    rescued: 32000 MB, errsize: 0 B, current rate: 14745 kB/s
    ipos: 31999 MB, errors: 0, average rate: 13109 kB/s
    opos: 31999 MB
    Finished

    But when I try to mount it:
    sudo mount -t ntfs3g /media/disk-1/rescue/backup.img /mnt/

    I get this Output:

    ntfs_attr_pread: ntfs_pread failed: Input/output error
    Failed to read $MFTMirr: Input/output error
    Failed to mount '/media/disk-1/rescue/backup.img': Input/output error
    NTFS is either inconsistent, or you have hardware faults, or you have a
    SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
    then reboot into Windows TWICE. The usage of the /f parameter is very
    important! If you have SoftRAID/FakeRAID then first you must activate
    it and mount a different device under the /dev/mapper/ directory, (e.g.
    /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation
    for the details.

    EDIT: here's what 'dmsg|grep sdb' shows
    [ 6501.758524] sd 2:0:0:0: [sdb] 1953525168 512-byte hardware sectors (1000205 MB)
    [ 6501.759551] sd 2:0:0:0: [sdb] Write Protect is off
    [ 6501.759555] sd 2:0:0:0: [sdb] Mode Sense: 21 00 00 00
    [ 6501.759558] sd 2:0:0:0: [sdb] Assuming drive cache: write through
    [ 6501.760655] sd 2:0:0:0: [sdb] 1953525168 512-byte hardware sectors (1000205 MB)
    [ 6501.761532] sd 2:0:0:0: [sdb] Write Protect is off
    [ 6501.761535] sd 2:0:0:0: [sdb] Mode Sense: 21 00 00 00
    [ 6501.761537] sd 2:0:0:0: [sdb] Assuming drive cache: write through
    [ 6501.761543] sdb: sdb1
    [ 6501.767269] sd 2:0:0:0: [sdb] Attached SCSI disk
    [ 6509.079506] sd 2:0:0:0: [sdb] Sense Key : No Sense [current]
    [ 6509.079518] sd 2:0:0:0: [sdb] Add. Sense: No additional sense information
    [ 6513.174368] sd 2:0:0:0: [sdb] Sense Key : No Sense [current]
    [ 6513.174380] sd 2:0:0:0: [sdb] Add. Sense: No additional sense information
    [ 6899.105522] sd 2:0:0:0: [sdb] Sense Key : No Sense [current]
    [ 6899.105535] sd 2:0:0:0: [sdb] Add. Sense: No additional sense information
    [ 9368.937361] sd 2:0:0:0: [sdb] Sense Key : No Sense [current]
    [ 9368.937374] sd 2:0:0:0: [sdb] Add. Sense: No additional sense information
    [12330.481570] sd 2:0:0:0: [sdb] Sense Key : No Sense [current]
    [12330.481584] sd 2:0:0:0: [sdb] Add. Sense: No additional sense information
    [14395.905479] sd 2:0:0:0: [sdb] Sense Key : No Sense [current]
    [14395.905491] sd 2:0:0:0: [sdb] Add. Sense: No additional sense information


    This is along the same thing that it had told me when I tried to force mount the hard drive.
    It is irritating the freaking crap out of me, someone please help!
    Last edited by strid3r; January 19th, 2009 at 09:02 AM. Reason: additional info

  2. #2
    Join Date
    Oct 2010
    Beans
    5

    Re: ddrescue input/output error external Hard drive help!

    Did you ever figure out the solution.

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