linux-kernel - Re: Filesystem for block devices using flash storage?

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Message-ID: <20081013121009.GA22447@logfs.org>
Date:	Mon, 13 Oct 2008 14:10:10 +0200
From:	Jörn Engel <joern@...fs.org>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Chris Snook <csnook@...hat.com>,
	Stefan Monnier <monnier@....umontreal.ca>,
	linux-kernel@...r.kernel.org
Subject: Re: Filesystem for block devices using flash storage?

On Mon, 13 October 2008 12:57:00 +0200, Pavel Machek wrote:
> > On Sat, 11 October 2008 16:35:52 +0200, Pavel Machek wrote:
> > > 
> > > I don't think ext3 is safe w.r.t. whole eraseblocks disappearing. So
> > > if you write data 'nearby' root directory and power fails, bye bye
> > > filesystem, and journal will not help.
> > 
> > No device I've ever seen is that stupid.
> 
> I have adata SD flash cards that loose data even normal use, no power
> fails needed.

I don't doubt that.  There is a lot of crap for sale.  But your
description above does not match any crap I have ever encountered or
heard about.  Nor would it explain why you "loose data even normal use,
no power fails needed." ;)

Jörn

-- 
Schrödinger's cat is <BLINK>not</BLINK> dead.
-- Illiad
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