Date: Wed, 29 Aug 2007 09:44:47 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Dmitry Morozovsky <marck@rinet.ru> Cc: freebsd-current@freebsd.org, Hugo Silva <hugo@barafranca.com> Subject: Re: Encrypted zfs? Message-ID: <20070829074447.GB42667@garage.freebsd.pl> In-Reply-To: <20070829113209.C1528@woozle.rinet.ru> References: <46D2C812.8090106@gmail.com> <20070828104625.GB36596@garage.freebsd.pl> <46D40833.2030007@barafranca.com> <20070828175402.GB39562@garage.freebsd.pl> <20070829113209.C1528@woozle.rinet.ru>
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[-- Attachment #1 --] On Wed, Aug 29, 2007 at 11:35:50AM +0400, Dmitry Morozovsky wrote: > On Tue, 28 Aug 2007, Pawel Jakub Dawidek wrote: > > PJD> On Tue, Aug 28, 2007 at 12:34:11PM +0100, Hugo Silva wrote: > PJD> > How's the performance on the geli-backed pool ? > PJD> > PJD> It depends a lot on CPU speed, but you should be ready for visible > PJD> performance drop. I'll give you two examples: > > [examples snipped] > > PJD> But don't you worry, when you must have encryption, you don't really > PJD> care about performance. And when you decided not to use encryption, > PJD> because it introduces too big overhead, it only means that you didn't > PJD> need encryption in the first place:) > > Well, I suppose most usage patterns imply that only part of data really needs > encryption (as only part really needs copies>1 or compression), hence it would > be *extremely* useful if one can ``zfs set encryption=on tank/home/joe'' > (could it be done via pluggable geom modules or something?) No, it can't be done that way. You cannot put a GEOM module inside ZFS. The good news is that ZFS encryption support is in development. -- Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFG1SPvForvXbEpPzQRApJCAKCnbhJlh0Iy5/Guj+Nx4pOmWVm5uwCg7fwZ H7Sll+Qq1NEwKhAFNmkmDdM= =1Wzm -----END PGP SIGNATURE-----
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