From owner-freebsd-arch@FreeBSD.ORG Wed Jan 6 12:47:10 2010 Return-Path: Delivered-To: freebsd-arch@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3F03B106566B for ; Wed, 6 Jan 2010 12:47:10 +0000 (UTC) (envelope-from des@des.no) Received: from smtp.des.no (smtp.des.no [194.63.250.102]) by mx1.freebsd.org (Postfix) with ESMTP id 016B38FC08 for ; Wed, 6 Jan 2010 12:47:09 +0000 (UTC) Received: from ds4.des.no (des.no [84.49.246.2]) by smtp.des.no (Postfix) with ESMTP id EC3DB1FFC27; Wed, 6 Jan 2010 12:47:08 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id C593384427; Wed, 6 Jan 2010 13:47:08 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Oliver Fromme References: <201001061240.o06Ce74L050540@lurza.secnetix.de> Date: Wed, 06 Jan 2010 13:47:08 +0100 In-Reply-To: <201001061240.o06Ce74L050540@lurza.secnetix.de> (Oliver Fromme's message of "Wed, 6 Jan 2010 13:40:07 +0100 (CET)") Message-ID: <86ocl7h037.fsf@ds4.des.no> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.95 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-arch@FreeBSD.ORG Subject: Re: File system blocks alignment X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jan 2010 12:47:10 -0000 Oliver Fromme writes: > Is there a reason for not using a 1:1 ratio, and should I rebuild my > file systems with 1:8 ratio? You should ask Kirk or Poul Henning. ISTR there that of the FFS code assumed an 8:1 ratio. That has probably been fixed by now, but there are probably performance issues. If it works for you... DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no