[dm-crypt] Efficacy of xts over 1TB

[Arno Wagner]

Updated the FAQ with a comment on XTS and how to use it, as well
as plain64 and the question of resizing a dm-crypt/LIKS container.

Feel free to comment.

Arno

-- 
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno at wagner.name 
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