[dm-crypt] Restore a LUKS partition

Arno Wagner arno at wagner.name
Thu Nov 21 23:37:42 CET 2013


On Thu, Nov 21, 2013 at 17:19:58 CET, Robert Nichols wrote:
> On 11/21/2013 02:11 AM, Michael Grosseck wrote:
> >On 21.11.2013 02:57, Arno Wagner wrote:
> >>hd /dev/sda6 | head
> >thanks Arno for your reply, the command above gives me this output:
> >
> >00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
> >*
> >000001b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 ef |................|
> >000001c0  ff ff 83 ef ff ff 3f 00  00 00 11 31 9c 00 00 00 |......?....1....|
> >000001d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
> >*
> >000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa |..............U.|
> >00000200  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00 |................|
> >*
> >00007e00  4c 55 4b 53 ba be 00 01  62 6c 6f 77 66 69 73 68 |LUKS....blowfish|
> 
> For some reason /dev/sda6 starts with a partition table and looks like
> a correctly partitioned whole disk. Did you perhaps use dd to copy an
> image of an entire disk onto your current /dev/sda6?

Ah, yes, looks like it. The 0x55aa is typical.

Arno
-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno at wagner.name
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
There are two ways of constructing a software design: One way is to make it
so simple that there are obviously no deficiencies, and the other way is to
make it so complicated that there are no obvious deficiencies. The first
method is far more difficult.  --Tony Hoare


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