I've decided that I'm not pushing my luck enough by piling bleeding edge technologies on top each other, and I want to try encrypting my ext3 LVM2 /home partition with cryptoloop (on a 2.6.4 kernel).
To achieve this, I belive I have to create a new logical volume (with an encrypted filesystem of sorts) and copy the data across. And in order to do this, I must first shrink my existing home volume to make room (I have enough free space). Judging by a number of mailing list threads I've seen, it appears that shrinking an ext3 partition on LVM2 is a scary prospect (calculating block sizes, rebuilding journals and other such strangeness). Has anyone had any experience with doing this (and therfore advice), and more importantly, am I crazy for trying (no real need actually exists to encrypt my filesystems, it's just cool)? :p
I've read through the LVM howto (including its several recent updates), and it doesn't provide a great deal of help. It seems that another initial filesystem choice would have made things simpler.
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Cheers, - Rog
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