retrofitting LUKS encryption on installed system

[Heinz Diehl]

On 29.06.2013, Roberto Ragusa wrote: 

> You should try aes-cbc-essiv:sha256, it could give you 330 MB/s.

After encountering the mentioned performance drop, I didn't encrypt at
all. The only purpose of encrypting for me is to protect my data
in case my laptop gets lost or stolen. I decided to have all data
important to me on an encrypted stick, and to leave the disk itself
unencrypted...