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From: Jon Bendtsen <jon+lvm@silicide.dk>
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Subject: Re: [linux-lvm] creating a LVM ontop of a cryptated (ppdd) loop back 
 device
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Date: Sun Oct 20 12:04:01 2002
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To: linux-lvm@sistina.com

Jose Luis Domingo Lopez wrote:
> 
> On Sunday, 20 October 2002, at 17:57:34 +0200,
> Jon Bendtsen wrote:


> Then maybe we are talking about different things here. I used an
> encrypted filesystem over an unencrypted LV but, as loop-aes needs the
> loop device to operate, I need to loop-mount the encrypted filesystem for
> the system to be able to on-the-fly decrypt its contents.
> 
> Maybe I am confused, because I don't fully understand what you mean by
> "running LVM ontop of a encrypted loopback device".

We are talking different things.
I'll sum up what i did with 2 lines

losetup -e AES256 /dev/loop0 /dev/sdb1
pvcreate /dev/loop0




JonB