WD 3TB drive lost after passing 2.2TB

How to use TestDisk to recover lost partition
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Aether
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Joined: 07 May 2014, 11:32

WD 3TB drive lost after passing 2.2TB

#1 Post by Aether » 07 May 2014, 11:52

Hi,

Bought a WD 3TB drive, formatted the drive using Windows 7 64-bit with GPT.
Drive showed up with 2.78TB of usable space and I commenced copying files to the HDD and all was working fine for 2-3 days. I connected the drive again via a HDD dock and continued to copy approx 300GB over the 2.2TB mark.
Left it for a day or two, returned and connected the drive to be used via the USB dock and a prompt appeared in windows saying that the drive is not formatted and to format it...I instantly stopped there...

Reading online, it seems that using the Dock may have caused the drive to loop and commence writing over itself for data past 2.2TB...I have used testdisk and received the below, is anyone able to shed some light on what can be done and if the data on the drive is still recoverable at all?

TestDisk 7.0-WIP, Data Recovery Utility, April 2014
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org

Disk \\.\PhysicalDrive1 - 3000 GB / 2794 GiB - CHS 387601 240 63
Current partition structure:
Partition Start End Size in sectors

Bad GPT partition entries, invalid checksum.
Trying alternate GPT
No FAT, NTFS, ext2, JFS, Reiser, cramfs or XFS marker
1 P MS Reserved 34 262177 262144 [Microsoft reserved
1 P MS Reserved 34 262177 262144 [Microsoft reserved
No FAT, NTFS, ext2, JFS, Reiser, cramfs or XFS marker
2 P MS Data 264192 5860532223 5860268032 [Basic data partition]
2 P MS Data 264192 5860532223 5860268032 [Basic data partition]

Any help would be greatly appreciated.

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