From owner-freebsd-questions@FreeBSD.ORG Wed Aug 20 14:16:23 2008 Return-Path: Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B9FC5106567B for ; Wed, 20 Aug 2008 14:16:23 +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 2B5208FC0A for ; Wed, 20 Aug 2008 14:16:22 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (localhost [127.0.0.1]) by lurza.secnetix.de (8.14.2/8.14.2) with ESMTP id m7KEGKBE042088; Wed, 20 Aug 2008 16:16:20 +0200 (CEST) (envelope-from oliver.fromme@secnetix.de) Received: (from olli@localhost) by lurza.secnetix.de (8.14.2/8.14.2/Submit) id m7KEGK4j042087; Wed, 20 Aug 2008 16:16:20 +0200 (CEST) (envelope-from olli) Date: Wed, 20 Aug 2008 16:16:20 +0200 (CEST) Message-Id: <200808201416.m7KEGK4j042087@lurza.secnetix.de> From: Oliver Fromme To: freebsd-questions@FreeBSD.ORG, chris@smartt.com In-Reply-To: <48AB300E.40509@smartt.com> X-Newsgroups: list.freebsd-questions User-Agent: tin/1.8.3-20070201 ("Scotasay") (UNIX) (FreeBSD/6.3-STABLE (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]); Wed, 20 Aug 2008 16:16:21 +0200 (CEST) Cc: Subject: Re: Recommended newfs settings for 600GB mail (maildir) store? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd-questions@FreeBSD.ORG, chris@smartt.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Aug 2008 14:16:23 -0000 Chris St Denis wrote: > I recently created a new mail server with a 600GB raid5 partition to > store maildirs. When I created it, I used a newfs -i 4096 but when I had > recent hardware problems the background FSCK took a very long time, and > I'm concerned that the -i 4096 may have made that a lot worse. Yes, that's probably the case. > So I ask. What newfs settings do you recommend for a 600GB partition > dedicated to maildirs? You will need a large number of inodes, so the fsck time will be very long if you use plain UFS. There are no newfs options that will be able to help it, I'm afraid. You should either use UFS with gjournal, or use ZFS. 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 PI: int f[9814],b,c=9814,g,i;long a=1e4,d,e,h; main(){for(;b=c,c-=14;i=printf("%04d",e+d/a),e=d%a) while(g=--b*2)d=h*b+a*(i?f[b]:a/5),h=d/--g,f[b]=d%g;}