Thread: Harddrive Partially Overwritten by DD, Recovery Possible?

i'm idiot, writing image usb drive using dd when instead of typing /dev/sdb typed /dev/sdd , wrote 135mb image 750gb external hardrive full of files. there possibility of recovering files or did dd 0 out drive? please help, 1 of lowest points of life ever.

dd finished writing 135mb image in 5 seconds, didn't have chance stop it. time knew happened late. command follows:

code:

sudo dd if=generic.img of=/dev/sdd bs=1m

the external harddrive's filesystem fat32(i've had drive awhile , fat32 universal fs @ time). have 2tb drive got planning on moving of files 750gb, if needed can use transfer recovered files to.

posted question on askubuntu(link) , advised use testdisk, i've been having trouble understanding how use tool(i looked @ it's site wiki , documentation , couldn't figure out problem). if walk me through process i'd greatful.

posted japzone

dd finished writing 135mb image in 5 seconds

really sorry hear has happened - we've been here @ point.

news-ish it's deleted 135mb of data far - zero-ing out 750gb have taken hours. drive unmounted? if not, unmount - nothing else @ drive - risks further loss.

dowload , run photorec live cd - go through wiki gist of how use it. it's best open source data recovery tech i've used.

i'll honest right off won't back, , it's worth running scan more once, given small amount of damage done, shouldn't bad

ever dont try further edit or write disk - don't have mounted apart scan it.

best hope goes well.

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