linux-ext4 - Re: [patch] ext2/3: document conditions when reliable operation is possible

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Message-ID: <20090829213432.GC1375@ucw.cz>
Date:	Sat, 29 Aug 2009 23:34:32 +0200
From:	Pavel Machek <pavel@....cz>
To:	Rob Landley <rob@...dley.net>
Cc:	david@...g.hm, Ric Wheeler <rwheeler@...hat.com>,
	Theodore Tso <tytso@....edu>, Florian Weimer <fweimer@....de>,
	Goswin von Brederlow <goswin-v-b@....de>,
	kernel list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, mtk.manpages@...il.com,
	rdunlap@...otime.net, linux-doc@...r.kernel.org,
	linux-ext4@...r.kernel.org, corbet@....net
Subject: Re: [patch] ext2/3: document conditions when reliable operation is
	possible

On Sat 2009-08-29 15:22:06, Rob Landley wrote:
> On Saturday 29 August 2009 05:05:58 Pavel Machek wrote:
> > On Fri 2009-08-28 07:49:38, david@...g.hm wrote:
> > > On Thu, 27 Aug 2009, Rob Landley wrote:
> > >> Pavel's response was to attempt to document this.  Not that journaling
> > >> is _bad_, but that it doesn't protect against this class of problem.
> > >
> > > I don't think anyone is disagreeing with the statement that journaling
> > > doesn't protect against this class of problems, but Pavel's statements
> > > didn't say that. he stated that ext3 is more dangerous than ext2.
> >
> > Well, if you use 'common' fsck policy, ext3 _is_ more dangerous.
> 
> The filesystem itself isn't more dangerous, but it may provide a false sense of 
> security when used on storage devices it wasn't designed for.

Agreed.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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