From owner-freebsd-questions@FreeBSD.ORG Sun Feb 3 03:30:23 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 19D509FF for ; Sun, 3 Feb 2013 03:30:23 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-wg0-f49.google.com (mail-wg0-f49.google.com [74.125.82.49]) by mx1.freebsd.org (Postfix) with ESMTP id ACCDA26F for ; Sun, 3 Feb 2013 03:30:22 +0000 (UTC) Received: by mail-wg0-f49.google.com with SMTP id 15so3794897wgd.28 for ; Sat, 02 Feb 2013 19:30:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=YKebWpWELlUfIYxDNmJ1lkz+xr+oUTw372BYjGfPchw=; b=S0fkt+GGnPmaYeOo21rcbeE4tJofmbW+53aAOOkR5thUkgPXap2tkF4s5UxqxiDSGp xpZD7iUx06wWISg5l13LrdzGPdavy+vzbY6JtC//0TDiAMd/Tu3HF5pd1tDZ0l6VpYBz c1Budvlio+VfQyP8O8GHi4QzpnrS/9izAaDIU+C7dxKoikgj5Aewpq67qX1UvH50+5GG 6klYbcGcxEdA/T6vwoTrppi4/QntE5H51X23LnNRV4DaSfHSngfheVf1qqINSLz831Dq 8ud/TBH2+KKh9daERLlYJdMIb8PZCtIs+8QABu2d0hWo5h8Fos/cTu0FOuCW4y0FmJRI 532w== MIME-Version: 1.0 X-Received: by 10.194.108.136 with SMTP id hk8mr28752327wjb.30.1359862214878; Sat, 02 Feb 2013 19:30:14 -0800 (PST) Received: by 10.194.86.131 with HTTP; Sat, 2 Feb 2013 19:30:14 -0800 (PST) In-Reply-To: <510D360E.7090100@mansionfamily.plus.com> References: <5105BEE4.4030402@mansionfamily.plus.com> <5105D611.4000506@ShaneWare.Biz> <7D460604-8F6B-454F-B717-678F64A75062@kraus-haus.org> <510D360E.7090100@mansionfamily.plus.com> Date: Sat, 2 Feb 2013 21:30:14 -0600 Message-ID: Subject: Re: ZFS - whole disk or partition or BSD slice? From: Adam Vande More To: james@mansionfamily.plus.com Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Paul Kraus , FreeBSD Mailing List X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Feb 2013 03:30:23 -0000 On Sat, Feb 2, 2013 at 9:51 AM, james wrote: > On 28/01/2013 16:10, Paul Kraus wrote: > >> I have been using ZFS with GPT partitions with no issues. I have >> NOT compared performance between whole disk and partitioned, which is where >> the difference in Solaris arises (ZFS makes better use of the physical >> drive's write cache). >> > > Well, it is the write cache manipulation and flushing that I'd like to > have turned on. Anyone know what the score is with FreeBSD? It is on. Whether it's a raw drive or partition, the device is under control of GEOM. ZFS talks fine with either. Just make sure partitions are 4k aligned if necessary. -- Adam Vande More