[dm-crypt] Missing keyslot or broken header or still some hope?

Arno Wagner arno at wagner.name
Mon Nov 7 22:30:50 CET 2016

It happens. Don't worry about it.


On Sun, Nov 06, 2016 at 08:26:50 CET, zero.tonin at web.de wrote:
> Good morning all, good morning Sven,
> thank you very much for your message and insight and also for confirming parts of my understanding of the situation.
> Now, getting back to my drive, I have to make the most embarrassing confession - for the last three days I actually tried to unlock the drive with my user account password and, in contrast to my initial words (which I eat now), _not_ with  the drive password. I have not the lsightest idea why, apart from the two (password and passphrase) being in use both for the same amount of time, which is roughly 5 years or so. 
> The luks header and keyslot are not only intact, they are fully working and I can decrypt the drive no problem. Turns out it was, indeed, a "layer 8 problem". 
> I am, while relieved I can recover the data, add a second keyslot and rsync the drive immediately, sincerely sorry for having used (some may say wasted) this list's and some individual's time,, but thanks again for all your help.
> On the positive side, this forced me to learn a bit more about luks and what it actually does (instead of just using it) and also was an opportunity to lear to never again claim I am "100% certain about the password"…
> Thanks again, all, and a great Sunday to everyone,
> Mark
> (I will take the liberty to remain on this list for future interesting topics)
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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
A good decision is based on knowledge and not on numbers. -- Plato

If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier

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