From owner-freebsd-fs@FreeBSD.ORG Mon Apr 9 16:31:43 2007 Return-Path: X-Original-To: freebsd-fs@freebsd.org Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E30FA16A409 for ; Mon, 9 Apr 2007 16:31:43 +0000 (UTC) (envelope-from joao.barros@gmail.com) Received: from ik-out-1112.google.com (ik-out-1112.google.com [66.249.90.177]) by mx1.freebsd.org (Postfix) with ESMTP id 49F1113C4B8 for ; Mon, 9 Apr 2007 16:31:43 +0000 (UTC) (envelope-from joao.barros@gmail.com) Received: by ik-out-1112.google.com with SMTP id c21so1211559ika for ; Mon, 09 Apr 2007 09:31:42 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=bQ1KY1lh/R20MAvpqZkblcwIy0C7+YMQcLV5XfxyZf6OPuXjJMATKz2zRGRwqlvBUPn+V8OESa0+Ad7CseVzRoY/Ehq29X6q58emaOAscYBjVmPTvVaAzohrF+95SUcSneEhLhpylYPwCn4g6WOHAlWz61pvFAEgycsYL8UjbHQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Vo8zzIWIbaRlfxXUE98J+5zsaraRrsI2cEbc/84esSSTnn3y+I8EPnxHA0cE0jKMBkRx6JrVGXORkPlY5rKRcHPbd8XphS5j8msjHDy54jsqbXW8C7VTUEzNArdZjePJoY9OasxLNHaC1QqbJM0fWnBIseueCt7Fpxr7HskaWhM= Received: by 10.78.138.14 with SMTP id l14mr885216hud.1176136301793; Mon, 09 Apr 2007 09:31:41 -0700 (PDT) Received: by 10.78.188.9 with HTTP; Mon, 9 Apr 2007 09:31:41 -0700 (PDT) Message-ID: <70e8236f0704090931v3d62d067kfa25993da10fb331@mail.gmail.com> Date: Mon, 9 Apr 2007 17:31:41 +0100 From: "Joao Barros" To: "Pawel Jakub Dawidek" In-Reply-To: <20070409153338.GH76673@garage.freebsd.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070409011723.GB74547@garage.freebsd.pl> <20070409094319.GB76673@garage.freebsd.pl> <70e8236f0704090808y5d305175wdc3cee5be1a26a9@mail.gmail.com> <20070409153338.GH76673@garage.freebsd.pl> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: ZFS: amd64, devd, root file system. 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: Mon, 09 Apr 2007 16:31:44 -0000 I was unaware there was no support for booting off a RAID-Z in Solaris, that was my intended setup so no fun. Btw, I hold you personally responsible for my acquisition of two extra 320GB drives ;) On 4/9/07, Pawel Jakub Dawidek wrote: > On Mon, Apr 09, 2007 at 04:08:26PM +0100, Joao Barros wrote: > > I was looking at how Solaris got support for booting off ZFS and the > > patch to GRUB to support it. > > Is it feasible for FreeBSD's boot loader? What would be the main > > issue: technical or licensing? > > I don't know if there are licensing issues, probably yes if we would > like to add ZFS support to our standard loader. > > The biggest problem I see is lack of motivation on my side. Really. Why > someone would like to keep kernel on ZFS so much? This would be a huge > amount of work, I expect, and what we get in turn? On Solaris you can > only boot from a single-disk pool or from a mirrored pool. Is it really > worth the effort for us? I much more prefer to spend the time working on > something more useful than that and keep my small /boot/ file system > protected by gmirror on UFS - with this approach there are no > limitations - we can keep our root file system on compressed RAID-Z > pool. > > Of course if someone is willing to try working on this, I'm happy to > help. > > -- > Pawel Jakub Dawidek http://www.wheel.pl > pjd@FreeBSD.org http://www.FreeBSD.org > FreeBSD committer Am I Evil? Yes, I Am! > > -- Joao Barros