[ubuntu-in] mount issue

[Ritesh Sinha]

On Tue, Jul 27, 2010 at 9:17 PM, Sanjay Bhangar <sanjaybhangar at gmail.com> wrote:
> On Tue, Jul 27, 2010 at 9:02 PM, Rtr.Atreya Roy Chowdhury
> <atreya.chowdhury at gmail.com> wrote:
>>
>>
>>
>> On Tue, Jul 27, 2010 at 3:10 AM, Rtr.Atreya Roy Chowdhury
>> <atreya.chowdh... at gmail.com> wrote:
>>>
>>> every time i try to mount one of my drives the follow crops up.
>>> Error mounting: mount exited with exit code 13: ntfs_attr_pread_i: Zero
>>> run
>>> length: Input/output error
>>> ntfs_attr_pread_i: Failed to find VCN #1: Input/output error
>>> Failed to calculate free MFT records: 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.
>>> can any one tell me how to take care of this....because all my important
>>> works are in that drive...
>>
>> i do not have a windows operating system in my system..so have no way of
>> doing chkdsk /f
>>
> is this an internal drive or an external drive? in either case, is it
> possible to try the drive on a borrowed / friend's windows machine? I
> don't have Windows on my machine either, but when I've faced this
> problem, I've had to resort to finding a Windows machine to take care
> of this. As I understand it, it is caused due to errors in the ntfs
> file-system. In my case, the errors were almost caused due to the
> drive running on a Windows machine, and since the file-system is ntfs,
> I generally would think it best to try and take care of it on a
> windows machine (as I would try and fix hfs drives on a mac machine
> and ext3 drives on a linux machine, etc.. )
>
> If you are completely unable to access a Windows machine, you can try
> using something like ntfsfix:
> sudo apt-get install ntfsprogs
> man ntfsfix
>
> As you will see the ntfsfix manual page describe, it can be used to
> fix some ntfs problems, but in the end, you really want to do chkdsk
> on a windows machine since it is ntfs.
>
> If you feel like doing a bit of work, you can maybe try installing
> Windows in VirtualBox or some virtual machine environment and run
> chkdisk from there. I would strongly recommend trying doing exactly as
> the error message you got asked you to do before messing around with
> it in other ways.
>
> Maybe others have other solutions / ideas ..

If you have a free hard disk drive you could try recovering the data
from the NTFS partition using testdisk. You could then reformat the
offending partition(s) and put your files back there.

http://www.cgsecurity.org/wiki/TestDisk

It is a last resort of course, there may be better ways to fix the partition.

>
> Best of luck!
> -Sanjay
>
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