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Secondary Internal Hard Drive suddenly turned RAW.

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February 12, 2013 1:39:53 AM

Hi there, I'm having some frightening hard drive trouble, and I'm wondering if some wise person can help me out.

I have a new, empty 1TB drive that I planned to copy all my 500GB drive's data onto, once I ran out of space. A couple days ago I noticed my 500GB drive (my D: drive) was missing from windows explorer, but I restarted my PC and it returned, functioning normally.

I figured now was the time to copy the drive and replace it with the 1TB, but when I plugged in the new drive and rebooted the system, my D: drive came up as "Local Disk D:" whereas it's usually "Data D:". I checked Disk Management and it's file system is set to RAW, and it's status is Healthy (At Risk).

When I try to access the drive I get a cyclic redundancy check error. Turning to Google for help I tried using iCare Data Recovery and EASEUS Data Recovery but both programs seemed to slow down tremendously after finding around 240 files, and the estimated time continued to rise to about 500 hours, while no new files were being found.

There's lots of valuable and irreplaceable data on the drive, and I need to recover as much of it as possible.

How do I recover my data and or repair the file system, which do I do first? Which programs do I use?

EASEUS recovery seems to just slow down to this point after several hours.
My X drive in that image is the new 1TB drive I installed, and the missing drive is my G: drive which I've disconnected due to this maintenance.



I would be forever grateful if someone could help, I have no where to turn, and I'm freaking out.
February 12, 2013 3:51:28 AM

I'm hoping it's doing something but the amount of "FAT Folder Parts", "Files Identified", and "Total Files Found" hasn't changed for over 4 hours.
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February 12, 2013 8:09:46 AM

It sounds like your drive has numerous bad sectors. The safest approach is to clone your drive sector-by-sector using a tool (eg ddrescue) that knows how to work around bad sectors, and then use data recovery software on the clone.

Ddrescue can perform multipass cloning. It clones the easy sectors on the first pass, and attempts the more difficult ones on subsequent passes. It can also clone your drive in reverse, thereby disabling lookahead caching. It keeps a log, allowing it to resume after an interruption.

http://www.gnu.org/software/ddrescue/ddrescue.html

Ubuntu Rescue Remix:
http://ubuntu-rescue-remix.org/

Install Ubuntu Rescue Remix to a Flash Drive:
http://www.pendrivelinux.com/install-ubuntu-rescue-remi...

Clone a failing Windows hard disk with ddrescue on Ubuntu Rescue Remix:
http://keystoneisit.blogspot.com/2011/08/clone-failing-...
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February 13, 2013 1:45:54 AM

Alright I've burned Ubuntu Rescue Remix to a DVD and I'm about to try booting it and following that cloning guide you posted and we'll see how it goes.
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February 14, 2013 6:31:18 AM

When I attempt to input the following command to the Ubuntu Rescue Remix prompt:

sudo lshw -C Disk -short

And the command line returns an error saying that the kernel for the sudo command hasn't been found.

How do I use the sudo command?
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