From owner-freebsd-stable@FreeBSD.ORG Fri Feb 3 09:24:03 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3AFE31065675 for ; Fri, 3 Feb 2012 09:24:03 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from qmta12.emeryville.ca.mail.comcast.net (qmta12.emeryville.ca.mail.comcast.net [76.96.27.227]) by mx1.freebsd.org (Postfix) with ESMTP id 1DEB38FC08 for ; Fri, 3 Feb 2012 09:24:02 +0000 (UTC) Received: from omta07.emeryville.ca.mail.comcast.net ([76.96.30.59]) by qmta12.emeryville.ca.mail.comcast.net with comcast id VMNk1i0011GXsucACMQ2qR; Fri, 03 Feb 2012 09:24:02 +0000 Received: from koitsu.dyndns.org ([67.180.84.87]) by omta07.emeryville.ca.mail.comcast.net with comcast id VMQ11i00h1t3BNj8UMQ2EK; Fri, 03 Feb 2012 09:24:02 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 7690C102C19; Fri, 3 Feb 2012 01:24:01 -0800 (PST) Date: Fri, 3 Feb 2012 01:24:01 -0800 From: Jeremy Chadwick To: Marcel Bonnet Message-ID: <20120203092401.GA18280@icarus.home.lan> References: <4F267B14.4060200@ateamsystems.com> <20120130120643.GA46785@icarus.home.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-stable@freebsd.org, Ivan Voras Subject: Re: FreeBSD 9 crash/deadlock when dump(8)ing file system with journaling enabled. 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, 03 Feb 2012 09:24:03 -0000 On Fri, Feb 03, 2012 at 06:45:58AM -0200, Marcel Bonnet wrote: > Hi, what would be the best choice? > > 1. turn off SUJ and dump using -L flag and the turn it on again (but I'm > affraid to destroy the system this way - is this possible?) > 2. dump the unmounted partitions with a live cd, per example > > Sorry for top posting, mobile mail client problem. > > Em 30/01/2012 12:56, "Ivan Voras" escreveu: > > On 30/01/2012 13:06, Jeremy Chadwick wrote: > > >> For now I've turned off journaling (soft updates see... > It's a known bug: SU+J currently deadlocks when used with UFS snapshots. Is there a reason you require use of dump(8) over, say, rsync/rsnapshot or similar tools? As far as disabling the journalling aspect of SU+J on-the-fly (meaning on a mounted filesystem), I don't think this is possible, but I will state boldly up front I have not messed around with 9.0 at all aside from tinkering about in the installer. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, US | | Making life hard for others since 1977. PGP 4BD6C0CB |