Hi, We would like to experiment and see the performance results with different options of dm-crypt. To do this we would like to setup /dev/zero with dm-crypt as mentioned in https://www.redhat.com/archives/dm-devel/2015-February/msg00106.html However, when I did the following no new mapping gets created in /dev/mapper:
# cryptsetup -y luksFormat /dev/zero # cryptsetup luksOpen /dev/zero dm-zero # cryptsetup status /dev/mapper/dm-zero /dev/mapper/dm-zero is inactive. Could you please help by giving instructions on how to do this right? Thank you. Ravi
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