From owner-freebsd-stable@FreeBSD.ORG Mon Jun 25 00:11:58 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id EDB521065675 for ; Mon, 25 Jun 2012 00:11:58 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from opti.dougb.net (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id 4529415157E; Mon, 25 Jun 2012 00:11:58 +0000 (UTC) Message-ID: <4FE7ACCD.2060909@FreeBSD.org> Date: Sun, 24 Jun 2012 17:11:57 -0700 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:13.0) Gecko/20120624 Thunderbird/13.0.1 MIME-Version: 1.0 To: Jakub Lach References: <1340401637.32116.YahooMailNeo@web113519.mail.gq1.yahoo.com> <3729A720-2C8F-4C84-B05A-201394C40D63@gothic.net.au> <20120624013624.GG24842@portland1.byshenk.net> <20120624025451.GA17721@DataIX.net> <1340544911829-5721380.post@n5.nabble.com> In-Reply-To: <1340544911829-5721380.post@n5.nabble.com> X-Enigmail-Version: 1.4.2 OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: fsck_ufs running too often X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jun 2012 00:11:59 -0000 On 06/24/2012 06:35, Jakub Lach wrote: > It boiled down to that: > > - fsck in background massively slowed i/o and > full fsck before starting system is actually > preferred/faster for most cases. Try switching to SCHED_4BSD in your kernel conf and see if that helps with slow i/o during load. Doug -- This .signature sanitized for your protection