The XO-1.5 software plan.

[Tiago Marques]

On Sat, May 16, 2009 at 10:54 PM, Chris Ball <cjb at laptop.org> wrote:

> Hi Ben,
>
>   > Of course, this equation gets still more complicated depending on
>   > whether we have MTD or FTL flash.  Choosing a filesystem will be
>   > an interesting exercise.
>
> I think it's clear that we'll be using an FTL of some kind.  (Which
> kind in particular will depend on more testing with the new A-Test
> board.)
>
> So, as a strawman, I'll suggest uncompressed ext2.  Depending on the
> FTL, something else may be more reasonable instead.
>

This is what I've been using on SD cards, USB drives, etc, with some
success. Seems stable enough, while helping out with wear.

Ext3 might be used with some tweaks:

http://thunk.org/tytso/blog/2009/03/01/ssds-journaling-and-noatimerelatime/