Hello, thank you very much after completing these steps I can access everything again. (Now creating backup headers for all LUKS devices) Again, thank you very much ! On Thu, 25 Feb 2016 18:20:55 +0100 Milan Broz <gmazyland@xxxxxxxxx> wrote: > On 02/25/2016 06:05 PM, Felix Wagner wrote: > > Hello, > > > > thanks for your replies. Yea, any of those files DO NOT exist > > anywhere on my fs (I checked with find). I think the process didn't > > really start. > > > > How do I continue then? > > ok, it is possible that you find a nasty bug... > (using /dev/disk/uuid path seems to be not working). > > Try this (replace <LUKS_device> and <backup_file> appropriately): > > 1) backup current (invalidated) header to some file (just to be sure) > > dd if=<LUKS_device> of=<backup_file> bs=512 count=2056 > > 2) recover magic string > > echo -n -e 'LUKS\xba\xbe' | dd of=<LUKS_device> bs=1 seek=0 > conv=notrunc > > ... > and try to luksDump it, then luksOpen. > > Milan
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