From owner-freebsd-questions@FreeBSD.ORG Tue Feb 21 19:48:23 2012 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 1E4F4106564A for ; Tue, 21 Feb 2012 19:48:23 +0000 (UTC) (envelope-from gull@gull.us) Received: from mail-ww0-f42.google.com (mail-ww0-f42.google.com [74.125.82.42]) by mx1.freebsd.org (Postfix) with ESMTP id A5B638FC08 for ; Tue, 21 Feb 2012 19:48:22 +0000 (UTC) Received: by wgbgn7 with SMTP id gn7so4288221wgb.1 for ; Tue, 21 Feb 2012 11:48:21 -0800 (PST) Received-SPF: pass (google.com: domain of gull@gull.us designates 10.180.95.1 as permitted sender) client-ip=10.180.95.1; Authentication-Results: mr.google.com; spf=pass (google.com: domain of gull@gull.us designates 10.180.95.1 as permitted sender) smtp.mail=gull@gull.us Received: from mr.google.com ([10.180.95.1]) by 10.180.95.1 with SMTP id dg1mr28462361wib.21.1329853701523 (num_hops = 1); Tue, 21 Feb 2012 11:48:21 -0800 (PST) MIME-Version: 1.0 Received: by 10.180.95.1 with SMTP id dg1mr23673376wib.21.1329853701450; Tue, 21 Feb 2012 11:48:21 -0800 (PST) Received: by 10.180.103.137 with HTTP; Tue, 21 Feb 2012 11:48:21 -0800 (PST) X-Originating-IP: [128.95.17.211] In-Reply-To: <201202191226.47196.erichfreebsdlist@ovitrap.com> References: <4F3ECF23.5000706@fisglobal.com> <201202190803.39548.erich@alogreentechnologies.com> <87wr7j1lds.fsf@oak.localnet> <201202191226.47196.erichfreebsdlist@ovitrap.com> Date: Tue, 21 Feb 2012 11:48:21 -0800 Message-ID: From: David Brodbeck To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Gm-Message-State: ALoCoQlPk2vCpCSOklr2/FEnXxTfNaKl3ULyG0AnpUhfSvu9rnwovVZ697/ZZwI1XVqw4QC5ESOC Subject: Re: One or Four? 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, 21 Feb 2012 19:48:23 -0000 On Sat, Feb 18, 2012 at 9:26 PM, Erich Dollansky wrote: > it will not even boot if there is only a single slice with root and the r= est on it if the background fsck cannot be run. > > I have to go to real remote locations once in a while where an USP is not= of real help anymore as the USP is not able to charge its battery before t= he next power failure comes. It happened there some times that the /usr sli= ce needs a foreground check. Of course, all can be fixed. > > I cannot imagine that this would still work if / is on the same slice as = the rest of the data. Why not? / gets mounted read-only, foreground fsck is run on /, system boo= ts... Maybe I'm just not understanding the problem here. I suppose in theory your root filesystem could be so corrupt that it won't even mount read-only, but I've never actually seen that happen except in the case of an outright disk failure.