[dm-crypt] please HELP - can't acces encrypted LVM after linux reinstallation.
aleksanderswirski at gmail.com
Fri Oct 28 18:05:59 CEST 2011
thank you for your replies. if someone knows, if it's possible to find some
trace of old header under the new one ... please let me know. if it's
definitely not possible ... please let me know. the crypt partition wasn't
moved or resized, also the home logical volume, which I lost was
'continuous' and wasn't moved or resized.
On 29 October 2011 05:03, Arno Wagner <arno at wagner.name> wrote:
> On Fri, Oct 28, 2011 at 05:53:48PM +0200, Marc Ballarin wrote:
> > Am Samstag, den 29.10.2011, 04:23 +1300 schrieb Aleksander Swirski:
> > ...
> > > I now realize what might have happened. As I explained I set up same
> > > passphrase again on this crypt disk when installing new system. But I
> > > suspect, encryption key underneath could be changed and LVM is now
> > > scrambled?
> > Yes, if you used LUKS this is exactly what happened. cryptsetup created
> > a new, random master key and wrote it over your old master key.
> I wonder whether I should as a warning about this at the beginning
> of the FAQ.
> Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email:
> arno at wagner.name
> GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25
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