From owner-freebsd-stable@FreeBSD.ORG Fri Jul 15 20:10:53 2005 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 732F816A41C for ; Fri, 15 Jul 2005 20:10:53 +0000 (GMT) (envelope-from mkb@mkbuelow.net) Received: from luzifer.incubus.de (incubus.de [80.237.207.83]) by mx1.FreeBSD.org (Postfix) with ESMTP id 02C3443D45 for ; Fri, 15 Jul 2005 20:10:52 +0000 (GMT) (envelope-from mkb@mkbuelow.net) Received: from drjekyll.mkbuelow.net (p54AA8680.dip0.t-ipconnect.de [84.170.134.128]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by luzifer.incubus.de (Postfix) with ESMTP id D74E5323E4; Fri, 15 Jul 2005 22:13:43 +0200 (CEST) Received: from drjekyll.mkbuelow.net (mkb@localhost.mkbuelow.net [127.0.0.1]) by drjekyll.mkbuelow.net (8.13.3/8.13.3) with ESMTP id j6FKB3Ln002079; Fri, 15 Jul 2005 22:11:03 +0200 (CEST) (envelope-from mkb@drjekyll.mkbuelow.net) Received: (from mkb@localhost) by drjekyll.mkbuelow.net (8.13.3/8.13.3/Submit) id j6FKB2sg002078; Fri, 15 Jul 2005 22:11:02 +0200 (CEST) (envelope-from mkb) Date: Fri, 15 Jul 2005 22:11:02 +0200 From: Matthias Buelow To: Chuck Swiger Message-ID: <20050715201102.GC1374@drjekyll.mkbuelow.net> References: <42D6B117.5080302@plab.ku.dk> <20050714191449.A8A615D07@ptavv.es.net> <20050714195253.GA23666@drjekyll.mkbuelow.net> <20050715185413.GI37261@funkthat.com> <20050715191412.GA1374@drjekyll.mkbuelow.net> <42D80E9C.70607@mac.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42D80E9C.70607@mac.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-stable@freebsd.org Subject: Re: dangerous situation with shutdown process 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: Fri, 15 Jul 2005 20:10:53 -0000 Chuck Swiger wrote: >If "sysctl hw.ata.wc=0" doesn't do what you want, please submit a PR >containing something better. Or buy SCSI hardware and a real, Well, if I had the time, I would. Also if instead of softupdates, a proper journalled filesystem implementation with kernel support for write barriers in the block drivers had been implemented, we wouldn't have this problem now. Ok, no point in arguing how things would be if one had made different decisions in the past. >battery-backed up RAID system, or fibre-channel, or Firewire, or whatever >floats your boat. I would think that a significant part of (FreeBSD-) users are running FreeBSD on desktop PCs, notebooks, etc., where a fibre-channel or SCSI solution isn't really feasible (either technically, or economically). mkb.