From owner-freebsd-fs@FreeBSD.ORG Thu Oct 1 09:21:05 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 97AB71065672; Thu, 1 Oct 2009 09:21:05 +0000 (UTC) (envelope-from olivier@gid0.org) Received: from mail-ew0-f209.google.com (mail-ew0-f209.google.com [209.85.219.209]) by mx1.freebsd.org (Postfix) with ESMTP id 105EE8FC17; Thu, 1 Oct 2009 09:21:04 +0000 (UTC) Received: by ewy5 with SMTP id 5so1493570ewy.36 for ; Thu, 01 Oct 2009 02:21:04 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.89.14 with SMTP id b14mr186919wef.76.1254388863797; Thu, 01 Oct 2009 02:21:03 -0700 (PDT) In-Reply-To: <200909230920.n8N9KIJ6005528@freefall.freebsd.org> References: <200909230920.n8N9KIJ6005528@freefall.freebsd.org> Date: Thu, 1 Oct 2009 11:21:03 +0200 Message-ID: <367b2c980910010221kd388f43q8243797b4eac9af7@mail.gmail.com> From: Olivier Smedts To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: quoted-printable Cc: pjd@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 09:21:05 -0000 Hello, 2009/9/23 : > Synopsis: [zfs] zfs marked as production ready but it used a deprecated c= hecksum algorithm > > Responsible-Changed-From-To: freebsd-fs->pjd > Responsible-Changed-By: pjd > Responsible-Changed-When: =B6ro 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 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 ? Thanks, Olivier --=20 Olivier Smedts _ ASCII ribbon campaign ( ) e-mail: olivier@gid0.org - against HTML email & vCards X www: http://www.gid0.org - against proprietary attachments / \ "Il y a seulement 10 sortes de gens dans le monde : ceux qui comprennent le binaire, et ceux qui ne le comprennent pas."