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External hard drive: Testdisk shows Structure: Bad


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#1 chibuche

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Posted 04 April 2014 - 12:51 AM

Hello Everyone,

 

I'm new here, tried searching for similar issues on the forum and read a few posts, but nothing is exactly like my problem, so I hope I'm not repeating an existing post here.

 

Recently my external hard drive went "RAW" under Windows 8 (I think it was ejected without being safely removed). So I followed the steps in this tutorial http://html5.litten.com/how-to-fix-external-disk-drive-suddenly-became-raw/ (how to fix: external disk drive suddenly became raw).

 

I booted my computer using a Parted Magic usb stick and ran testdisk from terminal. Quick search showed a partition with no files, so I proceeded with Deeper search. Around 80% since the test started it began running really slow and it showed a read error. After a few hours the scan did eventually complete and it listed two NTFS partitions that looked identical, but none of them had any files. When I selected one of the partitions it showed "Structure:Bad" at the bottom of the screen.

 

Parted Magic's Mount can mount the drive, but shows 0 files, although it gives 132 gb free out of 919 gb, which is correct. The file manager also shows the drive, again not listing any files.

 

The hard drive in question is a 1 Tb Toshiba. When it was working, it was divided in two partitions - an 11gb HFS partition (I used it with a mac machine) and the rest (around 900 gigs) was an NTFS partition. I also tried connecting the hard drive with another cable and to a couple of other computers.

 

Any help with saving the files from the problematic drive will be much appreciated. Thank you. 


Edited by chibuche, 04 April 2014 - 01:08 AM.


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#2 SamX5

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Posted 04 April 2014 - 08:06 AM

If the disk has gone 'RAW' there a good chance you have lost the data. Try using TestDisk Recovery  or Ontrack Data Recovery


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#3 chibuche

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Posted 04 April 2014 - 10:55 AM

Thanks, SamX5. In fact, the drive turned out to be damaged, but some of the files are still readable.

 

After trying several times to mount the drive in Linux and Mac OS X, I finally ran chkdsk from Windows' Command Prompt. First there was no encouraging result, but after I repeated the chkdsk /f command 4-5 times, the drive showed up in Windows!

 

I spent most of the day copying files, the process is slow because the external drive freezes from time to time... but I was able to recover some 50% of the files so far....

 

 



#4 SamX5

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Posted 05 April 2014 - 06:23 AM

Awesome, Data recovery is a pain, but I hop you get your data back


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#5 beeper54

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Posted 08 April 2014 - 02:24 AM

There are quite a few companies to choose from if you want data recovery though :)

 

Don't forget to back things up! ;)






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