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Date: Tue, 09 Mar 2010 20:20:24 -0500
From: Scott Castaline <skotchman@gmail.com>
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Subject: [dm-crypt] removing encryption from a device
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To: dm-crypt <dm-crypt@saout.de>

I have a 1TB drive that is partitioned with 1 partition encrypted. I 
want to change it to four individual partitions encrypted. How do I stop 
or remove encryption from the partition? I'm not sure if that is 
necessarily the way to go, as I'll be using the whole drive in one LVM2 
VG, with an LV for swap, and 2 other LVs. The 3 LVs will not occupy the 
whole VG. Not sure if that's more info than needed, but any suggestions?

One more thing, is it any different to remove a LV that's encrypted that 
is within an encrypted VG?