From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id CB7C8138010 for ; Sun, 26 Aug 2012 16:17:47 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 1F85121C001; Sun, 26 Aug 2012 16:17:24 +0000 (UTC) Received: from mx.virtyou.com (mx.virtyou.com [178.33.32.244]) by pigeon.gentoo.org (Postfix) with ESMTP id CBD25E072D for ; Sun, 26 Aug 2012 16:14:52 +0000 (UTC) Received: from [127.0.0.1] (xdsl-78-35-167-96.netcologne.de [78.35.167.96]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx.virtyou.com (Postfix) with ESMTPSA id AEF90DC04A for ; Sun, 26 Aug 2012 18:14:51 +0200 (CEST) Message-ID: <503A4B7B.9050301@wonkology.org> Date: Sun, 26 Aug 2012 18:14:51 +0200 From: Alex Schuster Organization: Wonkology User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:14.0) Gecko/20120713 Thunderbird/14.0 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 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] SSD performance tweaking References: <1726832.5OjJhh9kq3@energy> <503A1B44.1050701@wonkology.org> <1423183.AyWZLp8OMG@energy> In-Reply-To: <1423183.AyWZLp8OMG@energy> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Archives-Salt: e204edf5-1a0e-4d0d-a377-42ac48168a2c X-Archives-Hash: f0c0de0f4f81a0a54bc7d0d875bd7414 Am 26.08.2012 16:21, schrieb Volker Armin Hemmann: > Am Sonntag, 26. August 2012, 14:49:08 schrieb Alex Schuster: >> Volker Armin Hemmann writes: >>> Am Sonntag, 26. August 2012, 13:41:09 schrieb Alex Schuster: >> Yes, I know that. But why exactly does it help to align a partition to >> the erasable block size? I don't get it. Why isn't it sufficient to >> align to the usual 4K block size, so that a block never spans over two >> erasable blocks? > > well, for one, there are lots of ssd which have 8k pages. Not 4k. Whatever. Then align to 8K instead. But what does this have to do with the erasable page size? Wonko