From owner-freebsd-hackers@FreeBSD.ORG Wed Mar 17 22:01:55 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 B2A25106566C for ; Wed, 17 Mar 2010 22:01:55 +0000 (UTC) (envelope-from stesin@gmail.com) Received: from mail-ew0-f218.google.com (mail-ew0-f218.google.com [209.85.219.218]) by mx1.freebsd.org (Postfix) with ESMTP id 418F18FC1D for ; Wed, 17 Mar 2010 22:01:55 +0000 (UTC) Received: by ewy10 with SMTP id 10so977716ewy.32 for ; Wed, 17 Mar 2010 15:01:54 -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:cc:content-type :content-transfer-encoding; bh=Uqu+GEu/szs88gqwZT2EAUrYIwafsNBiUbFJTwEQJU8=; b=QrcI3aFuKcY+3U2AHf7Z7K6vYvFB4TOsg2Sy5s3brMI/+FUaPWRuAXt8+3IxakP8wN oEl8ncoEUQp5DgtV0XVgCv+V4YpU4q2Y7EbGH5UxWRCat6YGF1jHsb9dwuVt6zSd7mQc lE4ciev5fm9cxgqqlhGLGVD81C8l7iMN5jIsg= 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 :cc:content-type:content-transfer-encoding; b=S2GiMSZ/accWnVqswuJTdkHGVsH+ZKU6DD+iXUYxK0XATY0W8IBgUvJixGOLepPXr5 Dw2yK0IMOGpUZd5gRoQ1DaSJJFQ0OLmSYCZ0cvs7CmPwTl36XcXSJWpKG1i7HxJeukpu mn24P0GhCsTDxJ3YWq6wER38yn9UsdBkyahio= MIME-Version: 1.0 Received: by 10.216.173.74 with SMTP id u52mr833149wel.204.1268861473014; Wed, 17 Mar 2010 14:31:13 -0700 (PDT) In-Reply-To: <201003172111.o2HLBIgJ069873@apollo.backplane.com> References: <86tysf58a2.fsf@ds4.des.no> <367b2c981003171112n785ea9d4q21d00b533819ca67@mail.gmail.com> <201003172023.o2HKNNbj069321@apollo.backplane.com> <201003172111.o2HLBIgJ069873@apollo.backplane.com> Date: Wed, 17 Mar 2010 23:31:12 +0200 Message-ID: <28a799251003171431o1c06fa02u5755f445c935234c@mail.gmail.com> From: Andrew Stesin To: Matthew Dillon Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-hackers@freebsd.org 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 22:01:55 -0000 2010/3/17 Matthew Dillon : > =C2=A0 =C2=A0you absolutely must use a 4K fragment size (32K block size) = and an > =C2=A0 =C2=A0aligned partition when using UFS with 4K physical sector dri= ves. Sorry for my ignorance, but what's wrong with making this the default setting for newfs regardless of whatever the drive is? Thanks, Andrew