From owner-freebsd-fs@FreeBSD.ORG Tue May 4 10:22:04 2010 Return-Path: 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 C14091065673 for ; Tue, 4 May 2010 10:22:04 +0000 (UTC) (envelope-from mgamsjager@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 540A98FC18 for ; Tue, 4 May 2010 10:22:03 +0000 (UTC) Received: by wyb36 with SMTP id 36so2589841wyb.13 for ; Tue, 04 May 2010 03:21:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:subject:mime-version :content-type:from:in-reply-to:date:cc:content-transfer-encoding :message-id:references:to:x-mailer; bh=+ta5CVCkYC3uyzpLHTXFcr8xkA6p8GY1kXdIbSR/uIs=; b=MBQh8NBy7PA6YyWG7yOgcjzp/zxXTI8+Lq7d8CLR20+TIEjsXZa/cEtwqo9J2/L5y1 nyF+HtYm/031J0ZoQ4FvG9W5GsVnNU1DvMbLCZNGft+AIPyHGkZjACWqwwzZFgRNC5CE gJkMhZgzyPXcoxXwewAUmb3afieLAd2Lvo2fM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; b=ETO4uBYplOe136k50ILcM6qN8tpk9U50TcpgYTm/wLqepEWDQ+DMFpwM8HAPheITqI 3gi381Twp4nInd9PKwWIV+egIP/UxmyNQd/e24mRQs9pbem22yQ72PJQd3gxn7qiilQX eV2v/anqIFdeP6mEUhhTIAwPCuc391UKg/l48= Received: by 10.227.142.13 with SMTP id o13mr945225wbu.71.1272968515721; Tue, 04 May 2010 03:21:55 -0700 (PDT) Received: from [192.168.2.5] (5ED0B7FD.cable.ziggo.nl [94.208.183.253]) by mx.google.com with ESMTPS id b2sm42459547wbb.14.2010.05.04.03.21.53 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 04 May 2010 03:21:54 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v1078) Content-Type: text/plain; charset=us-ascii From: Matthias In-Reply-To: <20100503230651.GH2763@ma.sigsys.de> Date: Tue, 4 May 2010 12:21:53 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <20100503230651.GH2763@ma.sigsys.de> To: Raphael Becker X-Mailer: Apple Mail (2.1078) Cc: freebsd-fs@freebsd.org Subject: Re: ZFS raidz and 4k sector disks 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: Tue, 04 May 2010 10:22:04 -0000 Right now only WD uses 4k. There are still other manufacturers who = supply old-style 2TB drives. =20 On 4 mei 2010, at 01:06, Raphael Becker wrote: > Hi *, >=20 > On Thu, Apr 08, 2010 at 05:55:33PM +0400, Alexey Tarasov wrote: >> I've tried all methods and realized that unfortunately the only = working method is gnop. So you can't use these disks for ZFS at all now. >=20 > I'm planning to buy two 2-TB-drives for ZFS with FreeBSD 8.0. > I don't know about the sector size of this drives, but lets assume 4k >=20 > I there any documented and recommend way to get 4k-drives working with=20= > ZFS with *good* performance? Do we need a workaround here or is = updating > to a latest -STABLE a solution here?=20 >=20 > TIA > Raphael Becker >=20 > --=20 > Raphael Becker = http://rabe.uugrn.org/ > = https://www.xing.com/profile/Raphael_Becker > GnuPG: E7B2 1D66 3AF2 EDC7 9828 6D7A 9CDA 3E7B 10CA = 9F2D > = .........|.........|.........|.........|.........|.........|.........|..