From owner-freebsd-fs@FreeBSD.ORG Tue Aug 26 13:05:50 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8E02D1065686 for ; Tue, 26 Aug 2008 13:05:50 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.224]) by mx1.freebsd.org (Postfix) with ESMTP id 5A0378FC13 for ; Tue, 26 Aug 2008 13:05:50 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: by wr-out-0506.google.com with SMTP id c8so1251729wra.27 for ; Tue, 26 Aug 2008 06:05:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=5KHHAIEUljUrHmn7DJR1YxJDi0CT1mlNmd0RvrgvwOc=; b=hLba/78LHzHwL3sBUtn9pp01T3QsCRv4oBh7olJp6nh9YGgtmVsw8tQL+CUNe8SMTk t2xlBDEotDibxGVRQM6fHt4E4ds6Mcm5G/3dm9jIZAyqgTAVoaRm31FJRZUnsOLi+5cq /GWdOjEV3K7Sr5sUGs9qmOXlgnyBnlltL7rxE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=GRxnQWjQ/fsQt4TpmFAorhODtED93hkMhQRa4/j+1ehH8MgDSVKVrPdOO4YFkviQ68 EebI3Lag26KSBs51hWnSvWn6JOHSHeFGA3dLJVB773As3bXJivMOrbBkfZ5NyLK6k6nn fdZnypJ/bYH2Oj2IGdTZ+zlmTKZkrX+RqiTIc= Received: by 10.90.91.2 with SMTP id o2mr7046982agb.111.1219755949014; Tue, 26 Aug 2008 06:05:49 -0700 (PDT) Received: by 10.90.96.4 with HTTP; Tue, 26 Aug 2008 06:05:48 -0700 (PDT) Message-ID: Date: Tue, 26 Aug 2008 17:05:48 +0400 From: pluknet To: "Poul-Henning Kamp" In-Reply-To: <35461.1219736678@critter.freebsd.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <35461.1219736678@critter.freebsd.dk> Cc: freebsd-fs@freebsd.org Subject: Re: Sector size of 4096 bytes (not 512) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Aug 2008 13:05:50 -0000 2008/8/26 Poul-Henning Kamp : > In message , plukn > et writes: >>2008/8/26 Sten Daniel Soersdal : >>> >>> Does anyone know if i might run into any surprises if my hdd has 4096 byte >>> sized sectors and not the regular 512, it is low-level formatted that way. > > [...] > >>You should not change the sector size, because it is value of the >>physical parameter on disc >>(typically it's 512 for magnetic discs and 4096 for optical discs), >>not whatever logical value. >>You should better check tuning(7)/tunefs(8) man pages if you want to >>tune up your system. > > This answer has nothing to do with the question asked, and is wrong in > just about every way it can be. > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > phk@FreeBSD.ORG | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. > I'm talking about on-disk sector-size, not about filesystem's block-size. wbr, pluknet