From owner-freebsd-stable@FreeBSD.ORG Sun Jan 9 08:45:11 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 18EDB106564A for ; Sun, 9 Jan 2011 08:45:11 +0000 (UTC) (envelope-from m.seaman@infracaninophile.co.uk) Received: from smtp.infracaninophile.co.uk (smtp6.infracaninophile.co.uk [IPv6:2001:8b0:151:1:3fd3:cd67:fafa:3d78]) by mx1.freebsd.org (Postfix) with ESMTP id 71BBF8FC14 for ; Sun, 9 Jan 2011 08:45:10 +0000 (UTC) Received: from seedling.black-earth.co.uk (seedling.black-earth.co.uk [81.187.76.163]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.4/8.14.4) with ESMTP id p098j6XS071233 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Sun, 9 Jan 2011 08:45:06 GMT (envelope-from m.seaman@infracaninophile.co.uk) X-DKIM: Sendmail DKIM Filter v2.8.3 smtp.infracaninophile.co.uk p098j6XS071233 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=infracaninophile.co.uk; s=201001-infracaninophile; t=1294562706; bh=uOwldtWT0oUnPm45An/0WNSqLJedHriIOLNs0NYXl+8=; h=Message-ID:Date:From:MIME-Version:To: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<4D297587.4030108@infracaninophile.co.uk>|Date:=20S un,=2009=20Jan=202011=2008:44:55=20+0000|From:=20Matthew=20Seaman= 20|User-Agent:=20Mozilla/5.0=20(M acintosh=3B=20U=3B=20Intel=20Mac=20OS=20X=2010.6=3B=20en-US=3B=20r v:1.9.2.13)=20Gecko/20101207=20Thunderbird/3.1.7|MIME-Version:=201 .0|To:=20freebsd-stable@freebsd.org|Subject:=20Re:=20ZFS=20-=20mov ing=20from=20a=20zraid1=20to=20zraid2=20pool=20with=201.5tb=20disk s|References:=20<4D1C6F90.3080206@my.gd>=20=09<4D21E679.80002@my.gd>=20<84882169-0461-480F-8B4C-58E794 BCC8E6@my.gd>=09=20|In-Reply-To:=20|X-Enigmail-Version:=201.1.1|OpenPGP:=20id= 3D60AE908C|Content-Type:=20multipart/signed=3B=20micalg=3Dpgp-sha1 =3B=0D=0A=20protocol=3D"application/pgp-signature"=3B=0D=0A=20boun dary=3D"------------enig68A790BD637AA85422AE38F6"; b=BKYCEcFDRhnrnW3+vE7J2U1Qa/X6dA3mD70KlQul5lVlh2LUxkw10d/u0FWQV3tgK FlAnwbnN9qZyq3Q9EAFZbDYW7x4e4zl5fn/W2o32OcvPyTkm/rj5Vjy8oOgDPJufOQ nWjLm58T1PDfx2DvOYcDE0NOuyDIKv4msdtLJpSU= Message-ID: <4D297587.4030108@infracaninophile.co.uk> Date: Sun, 09 Jan 2011 08:44:55 +0000 From: Matthew Seaman User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <4D1C6F90.3080206@my.gd> <4D21E679.80002@my.gd> <84882169-0461-480F-8B4C-58E794BCC8E6@my.gd> In-Reply-To: X-Enigmail-Version: 1.1.1 OpenPGP: id=60AE908C Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig68A790BD637AA85422AE38F6" X-Virus-Scanned: clamav-milter 0.96.5 at lucid-nonsense.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-0.6 required=5.0 tests=BAYES_05,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,SPF_FAIL autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on lucid-nonsense.infracaninophile.co.uk Subject: Re: ZFS - moving from a zraid1 to zraid2 pool with 1.5tb disks X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Jan 2011 08:45:11 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig68A790BD637AA85422AE38F6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 09/01/2011 05:50, Randy Bush wrote: > given i have raid or raidz1, can i move to raidz2? >=20 > # zpool status=20 > pool: tank > state: ONLINE > scrub: none requested > config: >=20 > NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > raidz1 ONLINE 0 0 0 > ad4s2 ONLINE 0 0 0 > ad8s2 ONLINE 0 0 0 > ad6s1 ONLINE 0 0 0 > ad10s1 ONLINE 0 0 0 >=20 > or >=20 > # zpool status > pool: tank > state: ONLINE > scrub: none requested > config: >=20 > NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/disk01 ONLINE 0 0 0 > label/disk00 ONLINE 0 0 0 > mirror ONLINE 0 0 0 > label/disk02 ONLINE 0 0 0 > label/disk03 ONLINE 0 0 0 Not without backing up your current data, destroying the existing zpool(s) and rebuilding from scratch. Note: raidz2 on 4 disks doesn't really win you anything over 2 x mirror pairs of disks, and the RAID10 mirror is going to be rather more performa= nt. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate JID: matthew@infracaninophile.co.uk Kent, CT11 9PW --------------enig68A790BD637AA85422AE38F6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.16 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk0pdZAACgkQ8Mjk52CukIzh8gCgk+XaIXtE2JTDWS9XDCzvrJqG D58An0tz2ykIRceo4FdgvnLXlVzX7l+p =E6rE -----END PGP SIGNATURE----- --------------enig68A790BD637AA85422AE38F6--