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Date: Fri, 04 Aug 2006 18:56:21 -0600
From: Hans Reiser <reiser@namesys.com>
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To: Edward Shishkin <edward@namesys.com>
CC: Matthias Andree <matthias.andree@gmx.de>, ric@emc.com,
       Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Adrian Ulrich <reiser4@blinkenlights.ch>,
       "Horst H. von Brand" <vonbrand@inf.utfsm.cl>, bernd-schubert@gmx.de,
       reiserfs-list@namesys.com, jbglaw@lug-owl.de, clay.barnes@gmail.com,
       rudy@edsons.demon.nl, ipso@snappymail.ca, lkml@lpbproductions.com,
       jeff@garzik.org, tytso@mit.edu, linux-kernel@vger.kernel.org
Subject: Re: the " 'official' point of view" expressed by kernelnewbies.org
 regarding reiser4 inclusion
References: <200607312314.37863.bernd-schubert@gmx.de> <200608011428.k71ESIuv007094@laptop13.inf.utfsm.cl> <20060801165234.9448cb6f.reiser4@blinkenlights.ch> <1154446189.15540.43.camel@localhost.localdomain> <44CF9BAD.5020003@emc.com> <44CF3DE0.3010501@namesys.com> <20060803140344.GC7431@merlin.emma.line.org> <44D219F9.9080404@namesys.com> <44D231DF.1080804@namesys.com> <44D37E1B.1040109@namesys.com>
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Edward Shishkin wrote:

>
>>
>>
>> How about we switch to ecc, which would help with bit rot not sector
>> loss?
>
>
> Interesting aspect.
>
> Yes, we can implement ECC as a special crypto transform that inflates
> data. As I mentioned earlier, it is possible via translation of key
> offsets with scale factor > 1.
>
> Of course, it is better then nothing, but anyway meta-data remains
> ecc-unprotected, and, hence, robustness is not increased..
>
> Edward.

Would you prefer to do it as a node layout plugin instead, so as to get
the metadata?

Hans