linux-kernel - Re: Add a norecovery option to ext3/4?

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Message-ID: <20070415184929.GC10097@ucw.cz>
Date:	Sun, 15 Apr 2007 18:49:29 +0000
From:	Pavel Machek <pavel@....cz>
To:	Bill Davidsen <davidsen@....com>
Cc:	Eric Sandeen <sandeen@...hat.com>, Phillip Susi <psusi@....rr.com>,
	Samuel Thibault <samuel.thibault@...-lyon.org>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	joern@...ybastard.org, tytso@....edu
Subject: Re: Add a norecovery option to ext3/4?

Hi!

> >You might not damage the underlying filesystem, but you 
> >could sure go
> >off in the weeds trying to read it, if you stumbled 
> >upon some
> >half-updated metadata... so while it may be safe for 
> >the filesystem, I'm
> >not convinced that it's safe for the host reading the 
> >filesystem.
> >
> Exactly. If the data are protected you can use other 
> software to access it. For ext3 an explicit ext2 mount 
> might do it... 

It does not :-(. dirty ext3 is marked incompatible with ext2.

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