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Re: [linux-lvm] creating a LVM ontop of a cryptated (ppdd) loop back device



José Luis Domingo López wrote:
> 
> On Thursday, 17 October 2002, at 18:01:41 +0200,
> Jon Bendtsen wrote:
> 
> > I'm trying to cryptate my filesystems, and be able to take snapshots of
> > them.
> > I cannot get a snapshot of a cryptated LV to work (maybe because it is
> > readonly)
> >
> I haven't tried, but wouldn't it be possible to just take a snapshots
> from a LV containing an encrypted filesystem, and then loop-mount it
> (assuming encrypted via the loop device), give the password, and then
> backup ?

maybe, but i cant losetup it, possibly because snapshots are readonly.
Further more i would like noninteraktive backup's. So, i _WANT_ to put
LVM ontop of a encrypted filesystem.

 
> I think from the loop-aes type of filesystem encryption point of view.
> But as I have said previously, I haven't tried if this works, although
> if my understanding of all these things is OK, should work.

i havent tried with loop-aes either, but with loop-ppdd, and ppdd didnt
work.


> I will try to test this setup tomorrow when I get to work :-)

cool, me too :)




JonB



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