From owner-freebsd-hackers@FreeBSD.ORG Wed Mar 17 23:23:11 2010 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 B50FA106566C for ; Wed, 17 Mar 2010 23:23:11 +0000 (UTC) (envelope-from tdamas@gmail.com) Received: from mail-yw0-f185.google.com (mail-yw0-f185.google.com [209.85.211.185]) by mx1.freebsd.org (Postfix) with ESMTP id 5F2D48FC14 for ; Wed, 17 Mar 2010 23:23:10 +0000 (UTC) Received: by ywh15 with SMTP id 15so636895ywh.28 for ; Wed, 17 Mar 2010 16:23:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=b//4c568jQYmlRjK/Ibm4E9tRYdvxvHNRthTLxjyAQQ=; b=muaqlQUT8K5p4QHD+jULEChsq7YLJpPuExuIt6FqEohNsFlv745fKdHhZrKmTgqOC5 tbXAKCFHHrqsCOFIJRAyfZsaqb0KmajpMxk96epw2ELmanK7WLkeEr0GB14fTY+JzwAc c7Lh010unjRzzZyt4mLUF4cC+4QLpF0wzIfMw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=gfTB6emiAJFc3ucsOC4KYpJWvpZ4SwTQV612Lrb2RaoYrFXNnfbtT6s3/c+YGXv2V2 R8BFmIdyovQwP3CMmqSKtw+BjlVxhpGbDzLIUSxDosSNC1JAAkomZHiuqVfkArgXqz8B 9niw/vntAIVHwMbeZfrv5zKyt5BCLOCuWYZag= MIME-Version: 1.0 Received: by 10.151.88.11 with SMTP id q11mr5875395ybl.20.1268868190436; Wed, 17 Mar 2010 16:23:10 -0700 (PDT) In-Reply-To: <28a799251003171431o1c06fa02u5755f445c935234c@mail.gmail.com> References: <86tysf58a2.fsf@ds4.des.no> <367b2c981003171112n785ea9d4q21d00b533819ca67@mail.gmail.com> <201003172023.o2HKNNbj069321@apollo.backplane.com> <201003172111.o2HLBIgJ069873@apollo.backplane.com> <28a799251003171431o1c06fa02u5755f445c935234c@mail.gmail.com> Date: Wed, 17 Mar 2010 20:23:10 -0300 Message-ID: From: Thiago Damas To: Andrew Stesin , Matthew Dillon , freebsd-hackers@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Subject: Re: ATA 4K sector issues 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: Wed, 17 Mar 2010 23:23:11 -0000 Waste of disk space. With 2K frag size, a file of 1k will use a minimum of 2K, wasting 1k. With 4k frag size it will waste 3k. 2010/3/17, Andrew Stesin : > 2010/3/17 Matthew Dillon : >> =A0 =A0you absolutely must use a 4K fragment size (32K block size) and a= n >> =A0 =A0aligned partition when using UFS with 4K physical sector drives. > > Sorry for my ignorance, but what's wrong with making this the default > setting for newfs regardless of whatever the drive is? > > Thanks, > Andrew > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org= " >