.iso File recovery on EXT3 filesystem on Gentoo
Friends,
I had 80GB data of all operating systems like freebsd, centos, ubuntu.I had setup freebsd mirror also. What happened was, i unmounted the drive and tried to mount again, but failed. After failure, i issued the commands below and now i can't find the ISO files :( on the hard disk. #mkfs.ext3 /dev/hdb1 #mount -t ext3 /dev/hdb1 /mnt/hdb1 How can i use testdisk OR other free datarecovery softwares to recover all the .ISO FILES ??? Help Required experts... |
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If unsure make a 'dd' copy of the disk to file so you have a backup to work on if you fsck up again. Another option would be retrieving files directly with photorec or foremost or scalpel. These tools carve (string together bits of files) by looking for the start and end of file (file header and footer information, think "magic" as in the 'file' command). The problem is that finding an end-of-file marker however does not guarantee file integrity in any way: it may be missing pieces or stray data may have been trapped in it. (For OS install .iso's that would be easy to verify since the D/L page will list a MD5 or SHA1 hash value.) Another problem is (and I only tested this on a few .iso's) that neither photorec or foremost or scalpel has ready-made header plus footer for ISO 9660 and that header/footer carving relies on the signature starting in the first two bytes AFAIK, and with an ISO 9660 format file that's simply not the case, the first column represents the offset in the file where the string "CD001" is found: Code:
grep -i 9660 /usr/share/magic |
thanks for your kind reply unspwan, i would try one formost then if unsuccessful i would reldownload ...
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