[ale] Reformat LUKS drive

[Jim Kinney]

dd if=/dev/zero of=/dev/<drive in dock no partition number> bs=512
count=1024

Or, 

cryptsetup erase /dev/<drive in dock>

On Tue, 2016-08-09 at 13:54 -0400, Edward Holcroft wrote:
> Hi,
> 
> > > > > I have a 2TB LUKS encrypted drive that I want to reuse. However, it
seems I am unable to remove the LUKS partition. When I connect it to
my computer (using a USB dock) it requests the password, which I no
longer have. But that's OK, since I don't want to mount it or access
the data, I just want to blow everything away.
> 
> > > > Fdisk appears to allow me to remove all the partitions and create a
new Linux partition. However, as soon as I reconnect it to my
computer, it shows up as a LUKS encrypted partition again, and wants
a password.
> 
> > > > Is there some special thing I'm supposed to do to get rid of the
encrypted partition. In addition to fdisk I tried luksFormat to see
if I could create a fresh encrypted partition and go from there, but
that did not work either.
> 
> ed
> 
> 
> 
> 
> 
> 
> 
> > > > > > > > > MADSEN, KNEPPERS & ASSOCIATES USA, MKA Canada Inc.
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