From owner-freebsd-current@FreeBSD.ORG Wed Aug 29 07:46:04 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F25CB16A41A for ; Wed, 29 Aug 2007 07:46:02 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 95F1013C457 for ; Wed, 29 Aug 2007 07:46:02 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 3673645E91; Wed, 29 Aug 2007 09:46:01 +0200 (CEST) Received: from localhost (154.81.datacomsa.pl [195.34.81.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id D00F845683; Wed, 29 Aug 2007 09:45:56 +0200 (CEST) Date: Wed, 29 Aug 2007 09:44:47 +0200 From: Pawel Jakub Dawidek To: Dmitry Morozovsky Message-ID: <20070829074447.GB42667@garage.freebsd.pl> References: <46D2C812.8090106@gmail.com> <20070828104625.GB36596@garage.freebsd.pl> <46D40833.2030007@barafranca.com> <20070828175402.GB39562@garage.freebsd.pl> <20070829113209.C1528@woozle.rinet.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="pvezYHf7grwyp3Bc" Content-Disposition: inline In-Reply-To: <20070829113209.C1528@woozle.rinet.ru> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-current@freebsd.org, Hugo Silva Subject: Re: Encrypted zfs? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Aug 2007 07:46:05 -0000 --pvezYHf7grwyp3Bc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Aug 29, 2007 at 11:35:50AM +0400, Dmitry Morozovsky wrote: > On Tue, 28 Aug 2007, Pawel Jakub Dawidek wrote: >=20 > 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>=20 > PJD> It depends a lot on CPU speed, but you should be ready for visible > PJD> performance drop. I'll give you two examples: >=20 > [examples snipped] >=20 > 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:) >=20 > Well, I suppose most usage patterns imply that only part of data really n= eeds=20 > encryption (as only part really needs copies>1 or compression), hence it = would=20 > be *extremely* useful if one can ``zfs set encryption=3Don 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. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --pvezYHf7grwyp3Bc Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFG1SPvForvXbEpPzQRApJCAKCnbhJlh0Iy5/Guj+Nx4pOmWVm5uwCg7fwZ H7Sll+Qq1NEwKhAFNmkmDdM= =1Wzm -----END PGP SIGNATURE----- --pvezYHf7grwyp3Bc--