Re: "not a valid LUKS device" after distro change

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On Wed, Aug 20, 2014 at 00:22:29 CEST, John Wells wrote:
> Thanks for your response. This is the result of luksDump on the container:
> 
> # cryptsetup luksDump /dev/FINALFRONTIER_VG/HOME_LV
> Device /dev/FINALFRONTIER_VG/HOME_LV is not a valid LUKS device.

Ah, sorry. Did not see that access completely failed.
That means the header was at least partially overwritten.

Can you post or send me a hex-dump of the first 1024 bytes
of this device and the other one?

Command to do so is, e.g. 

  head -c 1024 /dev/FINALFRONTIER_VG/HOME_LV | hd 

This will not compromise your security.

> I will try to find the time to recreate the entire scenario. Do you think
> the current container I'm able to open is at risk of corruption as well?

Yes. Something seems to be running amok.

Another queston: After Fedora 20 told you both were not 
valid LUKS devices, could you still open the one in Ubuntu
that you could open before?

Arno

-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@xxxxxxxxxxx
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
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