used mkfs on wrong ntfs harddrive

Using TestDisk to repair the filesystem
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xforce23
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used mkfs on wrong ntfs harddrive

#1 Post by xforce23 » 16 Dec 2016, 23:13

so I just used mkfs.ext2 on my 8TB harddrive where I save all my important files, and noticed it too late

I assume none of the files were overwritten, but I noticed my mistake quite late, so the fileystem should be completely destroyed

how are my chances of recovering my files or better restoring the filesystem? is there any hope?

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cgrenier
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Re: used mkfs on wrong ntfs harddrive

#2 Post by cgrenier » 18 Dec 2016, 09:48

You can use TestDisk, Advanced, Boot, BackupBS to restore the NTFS boot sector.
You should be able to access most of your file after that but when an ext2/3/4 filesystem is formated, backup superblock are written a little bit everywhere and they have overwritten data, so some of the recovered files will be corrupted.

xforce23
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Joined: 16 Dec 2016, 23:11

Re: used mkfs on wrong ntfs harddrive

#3 Post by xforce23 » 18 Dec 2016, 17:35

backup superblock are written a little bit everywhere and they have overwritten data, so some of the recovered files will be corrupted
thats ok, as long as i approximately get back the old folder structure, i can redownload the corrupt files,



i just scanned using another program, and it found almost all files
i could alraedy recover my important documents

im gonna use testdisk now

my problem is i do not have a separate 8TB drive (the one i mkfs'd is 8TB)

do I need to buy an extra drive to repair/save it?

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cgrenier
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Re: used mkfs on wrong ntfs harddrive

#4 Post by cgrenier » 23 Dec 2016, 14:50

To repair the NTFS boot sector, no need of another disk.

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