From owner-freebsd-hackers@FreeBSD.ORG Tue Jul 8 16:02:01 2008 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 2C6FD106567A for ; Tue, 8 Jul 2008 16:02:01 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (unknown [IPv6:2a01:170:102f::2]) by mx1.freebsd.org (Postfix) with ESMTP id 938308FC14 for ; Tue, 8 Jul 2008 16:02:00 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (localhost [127.0.0.1]) by lurza.secnetix.de (8.14.1/8.14.1) with ESMTP id m68G1v52019962; Tue, 8 Jul 2008 18:01:58 +0200 (CEST) (envelope-from oliver.fromme@secnetix.de) Received: (from olli@localhost) by lurza.secnetix.de (8.14.1/8.14.1/Submit) id m68G1vgc019961; Tue, 8 Jul 2008 18:01:57 +0200 (CEST) (envelope-from olli) Date: Tue, 8 Jul 2008 18:01:57 +0200 (CEST) Message-Id: <200807081601.m68G1vgc019961@lurza.secnetix.de> From: Oliver Fromme To: freebsd-hackers@FreeBSD.ORG, Matthias Apitz In-Reply-To: <20080624131150.GA21185@rebelion.Sisis.de> X-Newsgroups: list.freebsd-hackers User-Agent: tin/1.8.3-20070201 ("Scotasay") (UNIX) (FreeBSD/6.2-STABLE-20070808 (i386)) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.1.2 (lurza.secnetix.de [127.0.0.1]); Tue, 08 Jul 2008 18:01:59 +0200 (CEST) Cc: Subject: Re: eeePC 900 with SSD && reducing writes X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd-hackers@FreeBSD.ORG, Matthias Apitz List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jul 2008 16:02:01 -0000 Matthias Apitz wrote: > I'd also like to get rid of 'lastlog' and 'wtmp' but even if the man > page claims that they will not be created if they don't exist, they > come up again and again; > > another candidate of not needed log is > /var/log/Xorg.n.log ... You can get rid of an on-disk /var alltogether. Add these lines to /etc/rc.conf: varmfs="yes" varsize="32m" It will create a memory FS for /var of 32 MB (default). You could also mount some or all of your disk partitions read-only. That's what I do on my embedded FreeBSD-driven mp3 player (running from a CF card instead of hard disk), because it doesn't have to write anything anywhere. If you have any disk partitions that you mount read+write, be sure to enable soft-updates because it tends to reduce the number of physical write operations. Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "FreeBSD is Yoda, Linux is Luke Skywalker" -- Daniel C. Sobral