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My EXT3 hard disk had been accidently formatted to NTFS by winXP but NO data are write on this harddisk after I formatted it to NTFS so I believe that the data in this HD can be rescue, please teach me how to restore the MBR of the Harddisk and return it to EXT3 and extract data from it.
Please teach me how to do! Thanks
Last edited by tommy2706; 07-15-2008 at 10:46 PM.
Reason: spell check
It will be next to impossible if you actually did a format, since it's already written 1's and 0's across the entire partition.
If that's not the case, google for "dos boot disk" or "dos boot cd" and use the fdisk that comes on there - once on the correct drive letter:
will wipe the mbr and then you should be able to use a Linux rescue CD to get back.
Alternately, grab a copy of Linux Defender (It's Knoppix CD-Linux - runs right off of your CD/DVD drive if you can boot from that - with NTFS support). That way you can boot off of cd and mount your hard drive and begin data retrieval efforts there.
Whatever you do, don't boot into windows. Probably best to remove the hard drive completely until you're ready to attempt recovery.
Check out this site and The Coroner's Toolkit (spelling may be wrong on coroner). TCT comes with a program to scour a Unix or Linux disk and attempt file retrieval:
I have always been under the assumption that an NTFS format would overwrite the already formatted hard drive and cause damage. Although, I may be wrong. I understand the mkfs command, but am not very well versed in NT. Thanks for the correction
Originally Posted by phantom_cyph
mkfs? Umm. Not to be mean or anything, but mkfs is the program that MaKes the File System, not the filesystem itself. For example, to make a ext2 filesystem, you use
Linux filesystems are like: ext2, ext3, reiserfs, unionfs, etc.
The fact that the hard drive uses NTFS will not hinder anything.