On 11 December 2015 at 15:34, Milan Broz <gmazyland@xxxxxxxxx> wrote: > > Could you please try to add to dd command: oflag=direct and try it again? > Same result (see below). Thanks for helping in any case. $ sudo dd if=/dev/zero of=/dev/sdb1 bs=4096 count=2500 conv=sync oflag=direct 2500+0 records in 2500+0 records out 10240000 bytes (10 MB) copied, 1.59072 s, 6.4 MB/s $ sudo cryptsetup -y -v luksFormat /dev/sdb1 WARNING! ======== This will overwrite data on /dev/sdb1 irrevocably. Are you sure? (Type uppercase yes): YES Enter passphrase: Verify passphrase: Cannot wipe header on device /dev/sdb1. Command failed with code 5: Cannot wipe header on device /dev/sdb1. _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
