On Tue, Jun 23, 2026 at 10:33:01AM -0700, David Christensen wrote:

[...]

> Both configurations work, but have different performance and security
> considerations:
> 
> * partitions > RAID > encryption > filesystem
> 
>     Will encrypt the RAID virtual block device, saving CPU cycles and
> requiring one passphrase and/or key.
> 
> * partitions > encryption > RAID > filesystem
> 
>     Will encrypt each partition, arguably improving security but requiring
> more CPU cycles and passphrases/ keys.

Actually it would reduce security, IMO, because the opponent would have
to find just one of both keys (the content is mirrored), thus potentially
reducing the key strength by one bit. Not a big deal, granted :)

Cheers
-- 
tomás

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