From owner-freebsd-fs@FreeBSD.ORG Thu Oct 1 10:31:15 2009 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A45A01065670 for ; Thu, 1 Oct 2009 10:31:15 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (chello087206049004.chello.pl [87.206.49.4]) by mx1.freebsd.org (Postfix) with ESMTP id E62D68FC18 for ; Thu, 1 Oct 2009 10:31:14 +0000 (UTC) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 1981445E49; Thu, 1 Oct 2009 12:31:12 +0200 (CEST) Received: from localhost (pdawidek.wheel.pl [10.0.1.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 34B7F45B36; Thu, 1 Oct 2009 12:31:07 +0200 (CEST) Date: Thu, 1 Oct 2009 12:31:10 +0200 From: Pawel Jakub Dawidek To: Olivier Smedts Message-ID: <20091001103110.GB1595@garage.freebsd.pl> References: <200909230920.n8N9KIJ6005528@freefall.freebsd.org> <367b2c980910010221kd388f43q8243797b4eac9af7@mail.gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="MW5yreqqjyrRcusr" Content-Disposition: inline In-Reply-To: <367b2c980910010221kd388f43q8243797b4eac9af7@mail.gmail.com> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 9.0-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=-5.9 required=4.5 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-fs@freebsd.org Subject: Re: kern/139072: [zfs] zfs marked as production ready but it used a deprecated checksum algorithm X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Oct 2009 10:31:15 -0000 --MW5yreqqjyrRcusr Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 01, 2009 at 11:21:03AM +0200, Olivier Smedts wrote: > Hello, >=20 > 2009/9/23 : > > Synopsis: [zfs] zfs marked as production ready but it used a deprecated= checksum algorithm > > > > Responsible-Changed-From-To: freebsd-fs->pjd > > Responsible-Changed-By: pjd > > Responsible-Changed-When: =C5=9Bro 23 wrz 2009 09:19:57 UTC > > Responsible-Changed-Why: > > I'll take this one. > > > > http://www.freebsd.org/cgi/query-pr.cgi?pr=3D139072 >=20 > Now that this PR is closed, is there something to change on *existing* > zfs filesystems to make them use fletcher4 (for new data) when they > have the default property "checksum=3Don" ? Is there something to do > (other than dumping and restoring) to change checksums to fletcher4 > for existing data and metadata ? You have to manually change checksum to fletcher4 for existing datasets, I think and backup/restore your data. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --MW5yreqqjyrRcusr Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFKxITuForvXbEpPzQRAv4WAJ44VwTf+lkAZ9CaD+NOOSLDC8er7QCbBDhV sUmsZoA1VMKQUTbbMLjnQ1Q= =5JNn -----END PGP SIGNATURE----- --MW5yreqqjyrRcusr--