Date: Wed, 22 Aug 2012 12:35:35 +0200 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: Zeus Panchenko <zeus@ibs.dn.ua> Cc: freebsd-fs@freebsd.org, freebsd-geom@freebsd.org Subject: Re: `zpool create' fails on geli ... Message-ID: <20120822123535.0385f118@fabiankeil.de> In-Reply-To: <20120822132440.24864@relay.ibs.dn.ua> References: <20120821190742.54449@relay.ibs.dn.ua> <CAHsZcQHgjFGCo8cTUvGMQzP2a0kiYKyP3vORVrqs9GrYbBikXg@mail.gmail.com> <20120822132440.24864@relay.ibs.dn.ua>
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--Sig_/kJkciffGM_NNTo9UO5IPhjx Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Zeus Panchenko <zeus@ibs.dn.ua> wrote: > resume: >=20 > if geli was initialized with `-a' than we need to fill whole of it to > initialize checksums what will make it possible to `zpool create ...' >=20 > something like this: >=20 > geli init -K /path/key -s 4096 -a hmac/sha256 -e aes-xts /dev/adaX > geli attach -k /path/key /dev/adaX > dd if=3D/dev/zero of=3D/dev/adaX.eli bs=3D10m > zpool create geliz /dev/adaX.eli >=20 > but it's better to >=20 > geli init -K /path/key -s 4096 -e aes-xts /dev/adaX Does your disk actually use 4k sectors? Otherwise it's not clear to me that "-s 4096" makes sense when using ZFS. I'm not claiming that it's obviously wrong, but I'm not aware of any benchmarks that show that it's better than the default in any way. Fabian --Sig_/kJkciffGM_NNTo9UO5IPhjx Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlA0tfwACgkQBYqIVf93VJ3mVQCfQfr3BFdUnZMasKy9sKm/P8+z m2gAn34Gf4XRNA81kDj5cWGRBeFefwbS =w8A5 -----END PGP SIGNATURE----- --Sig_/kJkciffGM_NNTo9UO5IPhjx--
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