From owner-freebsd-stable@FreeBSD.ORG Thu Jul 21 13:02:52 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 93B45106564A for ; Thu, 21 Jul 2011 13:02:52 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from mail.ebusiness-leidinger.de (mail.ebusiness-leidinger.de [217.11.53.44]) by mx1.freebsd.org (Postfix) with ESMTP id 3AA318FC17 for ; Thu, 21 Jul 2011 13:02:52 +0000 (UTC) Received: from outgoing.leidinger.net (p4FC41B21.dip.t-dialin.net [79.196.27.33]) by mail.ebusiness-leidinger.de (Postfix) with ESMTPSA id 711AC84400D; Thu, 21 Jul 2011 15:02:37 +0200 (CEST) Received: from webmail.leidinger.net (webmail.Leidinger.net [IPv6:fd73:10c7:2053:1::3:102]) by outgoing.leidinger.net (Postfix) with ESMTP id AD65429A1; Thu, 21 Jul 2011 15:02:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=Leidinger.net; s=outgoing-alex; t=1311253354; bh=teUn4z4VYPERgYVVezEXIdc/CTixwKzJkszL02dAHTA=; h=Message-ID:Date:From:To:Cc:Subject:References:In-Reply-To: MIME-Version:Content-Type:Content-Transfer-Encoding; b=t7NmUNtdcxMnmxQFhUy9Q0H/zqg5tR/dnEkad92MNMEGE13G1Tjsi27RQELpUv+bN KXsz3zkAA8ozJKD4QwoCZHU3IhYCTC6k/7NyXfjTPoW8g7HOIy7MS0R8caG+DqJV8i kQycmAbVIpSe2GpoLJsWEurjRs/+sZZcKvtlmBCHINzqtroPBbXNzEpkkjoAlX0D5q pRhC9ugjlFY+RZfA0uiSSHGbfkmzEglTR01LsGkI0+0RX5cpNvD8YMtRwjkLlRa86x BrdeDciBd0j5JxHyJzTNgGIbZ7kw96n8VAoHGN19JyZ/TTbXDwcnHqfH3iHlPO2k5S 2g0MuxtDwVbmg== Received: (from www@localhost) by webmail.leidinger.net (8.14.4/8.14.4/Submit) id p6LD2XH7015244; Thu, 21 Jul 2011 15:02:33 +0200 (CEST) (envelope-from Alexander@Leidinger.net) X-Authentication-Warning: webmail.leidinger.net: www set sender to Alexander@Leidinger.net using -f Received: from p5DD4571B.dip.t-dialin.net (p5DD4571B.dip.t-dialin.net [93.212.87.27]) by webmail.leidinger.net (Horde Framework) with HTTP; Thu, 21 Jul 2011 15:02:33 +0200 Message-ID: <20110721150233.765349kg5ed4p9bd@webmail.leidinger.net> Date: Thu, 21 Jul 2011 15:02:33 +0200 From: Alexander Leidinger To: Kevin Oberman References: <20110718234124.GA5626@icarus.home.lan> <20110719224126.00000a25@unknown> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable User-Agent: Dynamic Internet Messaging Program (DIMP) H3 (1.1.6) X-EBL-MailScanner-Information: Please contact the ISP for more information X-EBL-MailScanner-ID: 711AC84400D.AF7E0 X-EBL-MailScanner: Found to be clean X-EBL-MailScanner-SpamCheck: not spam, spamhaus-ZEN, SpamAssassin (not cached, score=-0.023, required 6, autolearn=disabled, DKIM_SIGNED 0.10, DKIM_VALID -0.10, DKIM_VALID_AU -0.10, TW_ZF 0.08) X-EBL-MailScanner-From: alexander@leidinger.net X-EBL-MailScanner-Watermark: 1311858159.29771@B20Qeh41GGfT8QGizyCQzQ X-EBL-Spam-Status: No Cc: "freebsd-stable@freebsd.org Stable" , Jeremy Chadwick Subject: Re: Status of support for 4KB disk sectors X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jul 2011 13:02:52 -0000 Quoting Kevin Oberman (from Tue, 19 Jul 2011 =20 14:33:27 -0700): > On Tue, Jul 19, 2011 at 1:41 PM, Alexander Leidinger > wrote: >> On Mon, 18 Jul 2011 16:41:24 -0700 Jeremy Chadwick >> wrote: >> >>> But the currently "known method" is to use gnop(8). =C2=A0Here's an >>> example: >>> >>> http://www.leidinger.net/blog/2011/05/03/another-root-on-zfs-howto-opti= mized-for-4k-sector-drives/ >>> >>> Now, that's for ZFS, but I'm under the impression the exact same is >>> needed for FFS/UFS. >> >> Info: gnop will not work for FFS/UFS because gnop is a temporary >> solution (needs to be done by hand at each reboot). For FFS/UFS you >> need to align the slice/partition and chose a good blocksize/fragsize >> combination (e.g. 32k/4k). > Thanks, Alexander. > > This is what I had expected after reading the man pages, though I > would think -b 65560 -f 8192' would be a bit more reasonable in this > day of bloated file formats. it's been years since I have hit a > problem with lack of inodes. I suggest to test this somewhere first. I have no evidence that it can =20 not work, but the blocksize/fragsize settings where subject to some =20 unexpected results in the past when they where changed to a bad =20 combination. IIRC this should be fixed now, but my memory may cheat on =20 me... Bye, Alexander. --=20 The speed of anything depends on the flow of everything. http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID =3D B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID =3D 72077137