[conspire] partition recovery after accidental dd

Ehud Kaldor ehud.kaldor at gmail.com
Thu Feb 23 21:13:06 PST 2012

Ye, that lesson is learnt.
 On Feb 23, 2012 8:46 PM, "Rick Moen" <rick at linuxmafia.com> wrote:

> Quoting Ehud Kaldor (ehud.kaldor at gmail.com):
> > sort of the classic "rm -rf /". has anyone managed to recover a 750GB
> > disk after dd-ing ~3.5GB on to it, accidentally? i have testdisk and
> > gparted running together trying to find something (hopefully by morning)
> > but wanted to know if someone had any other suggestion (or wanted to
> > tell me i am in some creek and missing a paddle.
> >
> > and ye, as you are probably wondering - i was DD-ing an LMDE image to a
> > USB to install from, rebooted but USB was not bootable for some reason,
> > rebooted again to main OS and DD-ed again in bash using arrow-up, but
> > device enumeration changed and i ended up DD-ing my external drive.
> > major bummer.
> That's actually a good bit worse than merely doing 'rm -rf /', I'm sorry
> to say.  When you dd the drive, you're going to immediately start by
> clobbering bitwise the boot sector, partition table, and first
> filesystem superblock, and it just keeps getting worse from there.
> If TestDesk and PhotoRec don't do much for you, then I doubt that
> anything else will, either.
> I'm currently DBANing (Darik's Boot and Nuke) a number of old hard
> drives, and I didn't even check to see if were possible to configure
> DBAN to ignore and not overwrite the host system's hard drive.  I just
> physically unplugged that drive for the duration, and booted from CD.
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