From owner-freebsd-questions@FreeBSD.ORG Tue May 26 18:38:51 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 703741065773 for ; Tue, 26 May 2009 18:38:51 +0000 (UTC) (envelope-from m.seaman@infracaninophile.co.uk) Received: from smtp.infracaninophile.co.uk (gate6.infracaninophile.co.uk [IPv6:2001:8b0:151:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 247DC8FC21 for ; Tue, 26 May 2009 18:38:49 +0000 (UTC) (envelope-from m.seaman@infracaninophile.co.uk) Received: from happy-idiot-talk.infracaninophile.co.uk (localhost [IPv6:::1]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.3/8.14.3) with ESMTP id n4QIcZkG003986; Tue, 26 May 2009 19:38:43 +0100 (BST) (envelope-from m.seaman@infracaninophile.co.uk) X-DKIM: Sendmail DKIM Filter v2.8.2 smtp.infracaninophile.co.uk n4QIcZkG003986 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=infracaninophile.co.uk; s=200708; t=1243363123; bh=BUnxKLfAajDLfthIMICvB2NRXXuuVnFgkfNv/Vjeplg=; h=Message-ID:Date:From:MIME-Version:To:CC:Subject:References: In-Reply-To:Content-Type:Cc:Content-Type:Date:From:In-Reply-To: Message-ID:Mime-Version:References:To; z=Message-ID:=20<4A1C3725.8040509@infracaninophile.co.uk>|Date:=20T ue,=2026=20May=202009=2019:38:29=20+0100|From:=20Matthew=20Seaman= 20|Organization:=20Infracaninophi le|User-Agent:=20Thunderbird=202.0.0.21=20(X11/20090420)|MIME-Vers ion:=201.0|To:=20Gary=20Gatten=20|CC:=20Kirk= 20Strauser=20,=20freebsd-questions@freebsd.org| Subject:=20Re:=20FreeBSD=20&=20Software=20RAID|References:=20<4A1A A3DC.5020300@network-i.net>=09<200905261238.52979.kirk@strauser.co m>=20<70C0964126D66F458E688618E1CD008A0793ED91@WADPEXV0.waddell.co m>|In-Reply-To:=20<70C0964126D66F458E688618E1CD008A0793ED91@WADPEX V0.waddell.com>|X-Enigmail-Version:=200.95.6|Content-Type:=20multi part/signed=3B=20micalg=3Dpgp-sha256=3B=0D=0A=20protocol=3D"applic ation/pgp-signature"=3B=0D=0A=20boundary=3D"------------enig98CDB2 BEF777EEA3DA17F66B"; b=fo/ZCB11dbuqdefcgkfL5UGjOCoGWNek0RGqctEAvRtIrlLwp1PapxxI8cH6rF2Wt BoH+2YjCVnfiKNVbppL+/9ujtjRwiwnDERrjK0MIIUZpEgcF+E6INtIAlJj5t/7CWE QfPTRd2/XZa189Dh5dneykLE9L8OpUs3OkgbiIzY= X-Authentication-Warning: happy-idiot-talk.infracaninophile.co.uk: Host localhost [IPv6:::1] claimed to be happy-idiot-talk.infracaninophile.co.uk Message-ID: <4A1C3725.8040509@infracaninophile.co.uk> Date: Tue, 26 May 2009 19:38:29 +0100 From: Matthew Seaman Organization: Infracaninophile User-Agent: Thunderbird 2.0.0.21 (X11/20090420) MIME-Version: 1.0 To: Gary Gatten References: <4A1AA3DC.5020300@network-i.net> <200905261238.52979.kirk@strauser.com> <70C0964126D66F458E688618E1CD008A0793ED91@WADPEXV0.waddell.com> In-Reply-To: <70C0964126D66F458E688618E1CD008A0793ED91@WADPEXV0.waddell.com> X-Enigmail-Version: 0.95.6 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------enig98CDB2BEF777EEA3DA17F66B" X-Virus-Scanned: clamav-milter 0.95.1 at happy-idiot-talk.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-3.0 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VERIFIED,NO_RELAYS autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on happy-idiot-talk.infracaninophile.co.uk Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD & Software RAID X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 May 2009 18:38:51 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig98CDB2BEF777EEA3DA17F66B Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Gary Gatten wrote: > Why avoid ZFS on x86? Because in order to deal most effectively with disk arrays of 100s or 100= 0s of GB as are typical nowadays, ZFS requires more than the 4GB of addressa= ble RAM[*] that the i386 arch can provide. You can make ZFS work on i386, but it requires very careful tuning and is= not going to work brilliantly well for particularly large or high-throughput filesystems. Cheers, Matthew [*] Technically, it requires more than the typical 2GB of kernel memory t= hat is the default on i386. KVM under 64bit architectures can be *much* bigg= er than that. --=20 Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate Kent, CT11 9PW --------------enig98CDB2BEF777EEA3DA17F66B Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEAREIAAYFAkocNysACgkQ8Mjk52CukIywRACeNCvCR8ezAtNwLso9CYETPN9J EpsAn1X6lqXiY2UyhrKMURmpd6GrKYI4 =fpcK -----END PGP SIGNATURE----- --------------enig98CDB2BEF777EEA3DA17F66B--