From owner-freebsd-stable@FreeBSD.ORG Tue Sep 12 19:48:11 2006 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 C2D4C16A403 for ; Tue, 12 Sep 2006 19:48:11 +0000 (UTC) (envelope-from bsd@kuehlbox.de) Received: from samael.qmail-ldap.de (mail.kuehlbox.de [62.159.47.22]) by mx1.FreeBSD.org (Postfix) with ESMTP id A248543D55 for ; Tue, 12 Sep 2006 19:48:10 +0000 (GMT) (envelope-from bsd@kuehlbox.de) Received: (qmail 89355 invoked from network); 12 Sep 2006 19:48:09 -0000 Received: from unknown (HELO [172.16.21.119]) (webmaster@kuehlbox.de@[82.135.94.49]) (envelope-sender ) by samael.qmail-ldap.de (qmail-ldap-1.03) with AES256-SHA encrypted SMTP for ; 12 Sep 2006 19:48:09 -0000 Message-ID: <45070EE6.3090104@kuehlbox.de> Date: Tue, 12 Sep 2006 21:47:50 +0200 From: Teufel User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) MIME-Version: 1.0 To: freebsd-stable@FreeBSD.org References: <45066E19.2040405@kuehlbox.de> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Subject: Re: gjournal and Softupdates 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: Tue, 12 Sep 2006 19:48:11 -0000 Christian Laursen wrote: > Ivan Voras writes: > > >> Christian Laursen wrote: >> >> >>> However, with journaling you can have filesystem corruption and not know >>> about it. With fsck, bg or not, at least you will know. >>> >> Also, I'm interested about this - what kind of silent corruption? The >> same kind that can generally come from on-drive caches? >> > > Yes, as well as corruption resulting from bugs in the kernel code. The point > is that you will never know because you never check your filesystems. > Well, thats why i actually don't find journaling filesystems very sexy. So the question is, if it is still safe to use fsck on a gjournal enabled FS ? Having a bgfsck running on a 1 TB volume is not so terrible when it afterwards confirms a valid and consistent filesystem.. Just trusting the journal is a false sense of security in my opinion. my 2cp Stephan