From owner-freebsd-questions@FreeBSD.ORG Tue Mar 14 06:14:49 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 654EB16A426 for ; Tue, 14 Mar 2006 06:14:49 +0000 (UTC) (envelope-from hakmi@rogers.com) Received: from smtp109.rog.mail.re2.yahoo.com (smtp109.rog.mail.re2.yahoo.com [68.142.225.207]) by mx1.FreeBSD.org (Postfix) with SMTP id A979743D79 for ; Tue, 14 Mar 2006 06:14:38 +0000 (GMT) (envelope-from hakmi@rogers.com) Received: (qmail 52176 invoked from network); 14 Mar 2006 06:14:38 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=Received:From:To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Mailer:X-MimeOLE:In-Reply-To:Thread-Index; b=c020F4KgKXJwu3eCix+mWx6hnGkV5cBcKdGrbuYG8g7lno2o29jj25K8Z0/Bws4EXNskHrd5FdDrj2iAMTq3TcHyzfL47Buv5JUxSrP7IZmmhYAWQ+lufdMZbL2R08KOSPyNyU+oPk3n24qGWeiXU5ee+TkI3ib5tUoU43K0Y2w= ; Received: from unknown (HELO tamouh) (hakmi@rogers.com@70.27.160.99 with login) by smtp109.rog.mail.re2.yahoo.com with SMTP; 14 Mar 2006 06:14:38 -0000 From: "Tamouh H." To: Date: Tue, 14 Mar 2006 01:14:43 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook, Build 11.0.6353 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 In-Reply-To: <44164E7F.9090106@ywave.com> Thread-Index: AcZHJMQJ3CqrxFWzS/WT+ezJgnhNYAACSSdQ Message-Id: <20060314061438.A979743D79@mx1.FreeBSD.org> Subject: RE: how does a system come up if you disable background fsck ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Mar 2006 06:14:49 -0000 =20 > Tamouh H. wrote: > > =20 > >> Ensel Sharon wrote: > >>> I have disabled background fsck in my /etc/rc.conf with: > >>> > >>> background_fsck=3D"no" > >>> > >>> But I am curious - what does this mean for the system if=20 > the system=20 > >>> crashes ? > >>> > >>> Does this mean that the system will wait for all non root > >> partitions > >>> to fully fsck before coming up into multi-user mode ? > >>> > >>> OR > >>> > >>> Does it mean the system will boot up quickly into > >> multi-user mode, but > >>> the non-root partitions will just not be mounted and/or > >> usable until I > >>> fsck them by hand ? > >>> > >>> thanks. > >> The former, as I can say with ample experience this morning.=20 > >> (stupid USB > >> panic) > >> > >> HTH, > >> Micah > >=20 > > I find both ways useless. If fsck background starts after a=20 > crash it literally slows down the machine to a halt rendering=20 > it unusable. > >=20 > > If enable fsck to check the system prior to mounting=20 > device, it will take at least 15-30 minutes for it to=20 > complete (in the event of a hard crash). Which also=20 > translates to a downtime. > >=20 > > disabling fsck on the long run is a bad choice too as=20 > eventually the system files will become corrupt beyond repair. > >=20 > > What is the solution here ? > >=20 > > Thx, > >=20 > > Tamouh >=20 > If you can't acceptably absorb a 30 minute down time, then=20 > why are you running without backup power? >=20 > - Micah Micah, Kris: You guys are hilarious, where can I find ppl like you ?=20 Of course I'm using a backup power, but there are 101 reasons for = FreeBSD to reboot by itself and when that happens, 30 minutes downtime = is 30 minutes of wasted time. Tamouh