From owner-freebsd-hackers@FreeBSD.ORG Sun May 31 20:14:52 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 33C4F106564A for ; Sun, 31 May 2009 20:14:52 +0000 (UTC) (envelope-from xorquewasp@googlemail.com) Received: from mail-ew0-f212.google.com (mail-ew0-f212.google.com [209.85.219.212]) by mx1.freebsd.org (Postfix) with ESMTP id AE9428FC0A for ; Sun, 31 May 2009 20:14:51 +0000 (UTC) (envelope-from xorquewasp@googlemail.com) Received: by ewy8 with SMTP id 8so3946102ewy.43 for ; Sun, 31 May 2009 13:14:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:received:date:from:to:cc :subject:message-id:references:mime-version:content-type :content-disposition:in-reply-to; bh=NBkXWJ4kjrCkT4oMMWAwm+vtGOoEHvVMpI9YrdRO8Pc=; b=YJSuXMuyQy2lf4mBBJClzt0OHmUI7gmUaoCBEibq8EWIVJf4V0nvgen8FAvkIsAKk1 L3iJiwFFjc0WCHkfpa//tuTYt14yryBMPZojQIJV7CCHkzRb9egggE/fwpc3O9l/NW2z jEELWPhCqS0yWV53V56mmeAMX5DRIvSEIQ1K4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to; b=kEYysBy59qlUL8lmuuLyVcA75kmSV4flGFNlHRC5BCK0HCOochyR/DZEHkjy3uVwC5 1naZnAhLHX05snwMnpuvLVa+oU0jr1CeYqPE7C1X1Gcqo9X3cddsLyNZ6gRTaMl8qf7U 63szUiPpdB2t3nfaLSkwsMQzA3xayWhoCvqBM= Received: by 10.210.143.9 with SMTP id q9mr213149ebd.33.1243800890716; Sun, 31 May 2009 13:14:50 -0700 (PDT) Received: from logik.internal.network (81-86-41-187.dsl.pipex.com [81.86.41.187]) by mx.google.com with ESMTPS id 26sm6117221ewy.83.2009.05.31.13.14.49 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 31 May 2009 13:14:50 -0700 (PDT) Received: by logik.internal.network (Postfix, from userid 11001) id EABE85D59; Sun, 31 May 2009 20:14:45 +0000 (UTC) Date: Sun, 31 May 2009 21:14:45 +0100 From: xorquewasp@googlemail.com To: krad Message-ID: <20090531201445.GA82420@logik.internal.network> References: <20090530175239.GA25604@logik.internal.network> <20090530144354.2255f722@bhuda.mired.org> <20090530191840.GA68514@logik.internal.network> <20090530162744.5d77e9d1@bhuda.mired.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Cc: freebsd-hackers@freebsd.org Subject: Re: Request for opinions - gvinum or ccd? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 May 2009 20:14:52 -0000 On 2009-05-31 13:13:24, krad wrote: > Please don't whack gstripe and zfs together. It should work but is ugly and > you might run into issues. Getting out of them will be harder than a pure > zfs solution Yeah, will be using pure ZFS having read everything I can find on it so far. I was skeptical of ZFS at first as it appeared to have come out of nowhere but it seems it's older (and more mature) than I thought. > ZFS does support striping by default across vdevs > > Eg > > Zpool create data da1 > Zpool add data da2 > > Would create a striped data set across da1 and da2 What kind of performance gain can I expect from this? I'm purely thinking about performance now - the integrity checking stuff of ZFS is a pleasant extra. > Just for fun here is one of the configs off one of our sun x4500 at work, > its opensolaris not freebsd, but it is zfs. One whoping big array of ~ 28 TB Impressive! > Hope this helps, im really looking forward to zfs maturing on bsd and having > pure zfs systems 8) Absolutely. xw