From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Nev64-0000pA-1y for garchives@archives.gentoo.org; Tue, 09 Feb 2010 18:46:04 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id AA4D7E1963 for ; Tue, 9 Feb 2010 18:46:03 +0000 (UTC) Received: from mail-iw0-f201.google.com (mail-iw0-f201.google.com [209.85.223.201]) by pigeon.gentoo.org (Postfix) with ESMTP id 5D4AAE15DE for ; Tue, 9 Feb 2010 18:25:01 +0000 (UTC) Received: by iwn39 with SMTP id 39so8675063iwn.1 for ; Tue, 09 Feb 2010 10:25:01 -0800 (PST) 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; bh=PilVo8xez4N9fPJslFEw56Fh+9QwZ6wDCaV0slqPWKg=; b=PdJj32vLH6I5aIEuL4gOfG3gG/H2/hDYPCdeSW7aF7lssG38Z+PFyPmLE34BcH2MSG DrcTLznpAAVunX1pL2Aceylh+rHERmtMrDL/03zn3HikgzCD6lRNLvWF5xWlEZ1PqUhl gzURFgC+VJ0kD9FUIZqToivXhCTXZOCV3iwMg= 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; b=hegWXuJi4Za3GZkCmjQfamUOFea5AiM6MLzKxi7s6tl1+EeEAAJO5IlTlChruzlKRg xNsct0la8J+/m/Vb5+MjqkHa6d49PjeA6pTLfEQc6+lqp+KS7iiwodARSOnD41EuvS7c ln+NY1Ra5TXM+Zhe55FOQdoYfBw3izVoIUmSk= Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.142.3.24 with SMTP id 24mr3494238wfc.264.1265739900635; Tue, 09 Feb 2010 10:25:00 -0800 (PST) In-Reply-To: <9C06FE85-D96B-4CF3-9E43-57DA1EB5B32B@stellar.eclipse.co.uk> References: <5bdc1c8b1002070827i14f59047k39a695900ebe9889@mail.gmail.com> <201002091457.19162.joost@antarean.org> <702F5366-D38F-4B0C-BD52-1250CBFAC6CB@stellar.eclipse.co.uk> <201002091627.32157.joost@antarean.org> <9C06FE85-D96B-4CF3-9E43-57DA1EB5B32B@stellar.eclipse.co.uk> Date: Tue, 9 Feb 2010 10:25:00 -0800 Message-ID: <5bdc1c8b1002091025i57f6a17fr99dda6e0cb246a0f@mail.gmail.com> Subject: Re: [gentoo-user] 1-Terabyte drives - 4K sector sizes? -> bar performance so far From: Mark Knecht To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 X-Archives-Salt: 53d48380-c220-4e13-ba95-dc4171a868e9 X-Archives-Hash: 07da6b8fa08e6e97796c6f004023f738 On Tue, Feb 9, 2010 at 9:38 AM, Stroller wrote: > IMO this is a fdisk "bug". A feature should be added so that it tries to > align optimally in most circumstances. RAID controllers should not be trying > to do anything clever to accommodate potential misalignment unless it is > really cheap to do so. > > Stroller. We think alike. I personally wouldn't call it a bug because drives with 4K physical sectors are very new, but adding a feature to align things better is dead on the right thing to do. It's silly to expect every Linux user installing binary distros to have to learn this stuff to get good performance. - Mark