JFFS3 & performance
Artem B. Bityuckiy
dedekind at infradead.org
Wed Jan 12 13:43:53 EST 2005
On Wed, 12 Jan 2005, [iso-8859-1] Jörn Engel wrote:
> On Wed, 12 January 2005 19:27:59 +0100, Thomas Gleixner wrote:
> >
> > Missing error
> >
> > There is another type of error, which came up lately with AND FLASH. If
> ^^
> You mean NAND, right?
Think AG-AND flashes. I'm not know much about this technology either.
>
> > you leave a block untouched in a range of blocks and erase/program the
> > surrounding blocks, then the untouched block is likely to have bitflips.
> > GC likeliness to GC clean blocks from time to time will cover this, but
> > if you have a big number of clean blocks you might get into trouble.
> >
> > A strong argument for using seperate partitions for static and dynamic
> > data.
>
> Wouldn't that also require a DMZ of some size between static and
> dynamic data? For example, 4MB static, 1MB unused, rest dynamic?
>
> Jörn
>
> --
> If you're willing to restrict the flexibility of your approach,
> you can almost always do something better.
> -- John Carmack
>
--
Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.
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