I had a CD that automatically starts to image a system with windows XP/NTFS. Accidentally booted from it on a Linux system which has one large ext4 partition (500GB). Interrupted the imaging process after about 3-4 seconds.
I would imagine the file table is gone since there was enough time to write at least 100MB to disk. However, I have heard of some kind of superblock backup on ext4(?) Any software/process to recover the non-overwritten files from the damaged ext4 partition?