From owner-freebsd-questions@FreeBSD.ORG  Thu Aug 17 18:19:39 2006
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: 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 7E29E16A4E9
	for <questions@FreeBSD.org>; Thu, 17 Aug 2006 18:19:39 +0000 (UTC)
	(envelope-from danger@rulez.sk)
Received: from virtual.micronet.sk (smtp.micronet.sk [84.16.32.237])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4D40643E43
	for <questions@FreeBSD.org>; Thu, 17 Aug 2006 18:15:30 +0000 (GMT)
	(envelope-from danger@rulez.sk)
Received: from localhost (localhost [127.0.0.1])
	by virtual.micronet.sk (Postfix) with ESMTP id 984BA10E797;
	Thu, 17 Aug 2006 20:15:18 +0200 (CEST)
X-Virus-Scanned: by amavisd-new at virtual.micronet.sk
Received: from virtual.micronet.sk ([127.0.0.1])
	by localhost (virtual.micronet.sk [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id cteR0jFyJGa7; Thu, 17 Aug 2006 20:15:17 +0200 (CEST)
Received: from danger.mcrn.sk (danger.mcrn.sk [84.16.37.254])
	by virtual.micronet.sk (Postfix) with ESMTP id 47D2C10E787;
	Thu, 17 Aug 2006 20:15:17 +0200 (CEST)
Date: Thu, 17 Aug 2006 20:15:11 +0200
From: Daniel Gerzo <danger@rulez.sk>
X-Mailer: The Bat! (v3.62.14) Professional
X-Priority: 3 (Normal)
Message-ID: <1704275870.20060817201511@rulez.sk>
To: Ceri Davies <ceri@submonkey.net>
In-Reply-To: <20060817165508.GH89500@submonkey.net>
References: <20060817165508.GH89500@submonkey.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: questions@FreeBSD.org
Subject: Re: Wilfully dirtying a filesystem
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: Daniel Gerzo <danger@rulez.sk>
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 17 Aug 2006 18:19:39 -0000

Hello Ceri,

Thursday, August 17, 2006, 6:55:08 PM, you wrote:

> I have a system on which /usr is slightly hosed, but not badly enough
> for it to fail a preen fsck.

> I cannot easily get to single-user on this machine, so is there a good
> way for me to dirty the filesystem just enough to force "fsck -p" to
> fail (yanking power also difficult)?  "umount -f /usr; reboot" doesn't
> seem to work...

I have been told maybe a week ago that umount -f is badly broken and
might lead to the deadlock, therefore I would avoid using it :)

> Ceri

-- 
Best regards,
 Daniel                            mailto:danger@rulez.sk