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Date:      Fri, 3 Feb 2012 01:24:01 -0800
From:      Jeremy Chadwick <freebsd@jdc.parodius.com>
To:        Marcel Bonnet <marcelbonnet@gmail.com>
Cc:        freebsd-stable@freebsd.org, Ivan Voras <ivoras@freebsd.org>
Subject:   Re: FreeBSD 9 crash/deadlock when dump(8)ing file system with journaling enabled.
Message-ID:  <20120203092401.GA18280@icarus.home.lan>
In-Reply-To: <CAPe0dBnf8qx_MsOS1vhz2K45tM63CeC_-LZjP6uQSgRyDBBHgA@mail.gmail.com>
References:  <4F267B14.4060200@ateamsystems.com> <20120130120643.GA46785@icarus.home.lan> <jg6a0d$6rj$2@dough.gmane.org> <CAPe0dBkF623bY9aWqcMaU=omOE7wzzTpprd7gEAAMG3fYjmXpg@mail.gmail.com> <CAPe0dBnf8qx_MsOS1vhz2K45tM63CeC_-LZjP6uQSgRyDBBHgA@mail.gmail.com>

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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" <ivoras@freebsd.org>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 |




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