Unable to mount external hard drive - Damaged file system and MFT

Posted by Khalifa Abbas Lame on Ask Ubuntu See other posts from Ask Ubuntu or by Khalifa Abbas Lame
Published on 2014-06-01T09:34:56Z Indexed on 2014/06/01 9:39 UTC
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I get the following error when i try to mount my external hard drive.

UNABLE TO MOUNT Error mounting /dev/sdc1 at /media/khalibloo/Khalibloo2: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sdc1" "/media/khalibloo/Khalibloo2"' exited with non-zero exit status 13: ntfs_attr_pread_i: ntfs_pread failed: Input/output error Failed to read of MFT, mft=6 count=1 br=-1: Input/output error Failed to open inode FILE_Bitmap: Input/output error Failed to mount '/dev/sdc1': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's 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 the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details.

It doesn't mount on windows either: "I/O Device error"

it's an ntfs hard drive with a single partition

Of course, i tried chkdsk /f. it reported several file segments as unreadable, but didn't say whether it fixed them or not (apparently not). also tried with the /b flag.

ntfsfix reported the volume as corrupt.

TestDisk was able to fix a small error with the partition table by adding the "80" flag for the active (only) partition. TestDisk also confirmed that the boot sector was fine and it matched the backup. However, when attempting to repair the MFT, it couldn't read the MFT. It also couldn't list the files on the hard drive. It says file system may be damaged.

Active@ also shows that MFT is missing or corrupt.

So how do i fix the file system? or the MFT?

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