Re: the " 'official' point of view" expressed by regarding reiser4 inclusion

From: Jan-Benedict Glaw
Date: Mon Jul 31 2006 - 15:26:56 EST

On Mon, 2006-07-31 12:17:12 -0700, Clay Barnes <clay.barnes@xxxxxxxxx> wrote:
> On 20:43 Mon 31 Jul , Jan-Benedict Glaw wrote:
> > On Mon, 2006-07-31 20:11:20 +0200, Matthias Andree <matthias.andree@xxxxxx> wrote:
> > > Jan-Benedict Glaw schrieb am 2006-07-31:
[Crippled DMA writes]
> > > Massive hardware problems don't count. ext2/ext3 doesn't look much better in
> > > such cases. I had a machine with RAM gone bad (no ECC - I wonder what
> >
> > They do! Very much, actually. These happen In Real Life, so I have to
> I think what he meant was that it is unfair to blame reiser3 for data
> loss in a massive failure situation as a case example by itself. What

Crippling a few KB of metadata in the ext{2,3} case probably wouldn't
fobar the filesystem...

> failure robustness counts... " This of course assumes you actually had
> the *exact* same problem with hardware under ext3, pretty much in every
> detail. Of course, so many subtleties interact in massive ways with

The point is that it's quite hard to really fuck up ext{2,3} with only
some KB being written while it seems (due to the
fragile^Wsophisticated on-disk data structures) that it's just easy to
kill a reiser3 filesystem.


Jan-Benedict Glaw jbglaw@xxxxxxxxxx +49-172-7608481
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