The XO-1.5 software plan.
C. Scott Ananian
cscott at cscott.net
Mon May 18 11:06:25 EDT 2009
On Sat, May 16, 2009 at 5:54 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
> So, as a strawman, I'll suggest uncompressed ext2. Depending on the
> FTL, something else may be more reasonable instead.
FWIW, Ubuntu and "others which shall remain nameless" use a unionfs
combining a read-only squashfs for the system code with a writeable
uncompressed ext2 filesystem. This seems to combine the best of both
worlds, and upgrades just involve swapping out the squashfs file.
( http://cscott.net/ )
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