[SPAM] FAT on NAND
Charles Manning
manningc2 at actrix.gen.nz
Fri Apr 4 15:08:24 EST 2003
Jim
As you see from David and Thomas, there is wide agreement that FAT on NAND
is not a good idea if you want reliable storage.
Some associates of mine using WinCE tried three different commercial
FAT-on-NAND solutions before they gave up and moved to YAFFS for data
integrity and speed reasons.
The easiest way to get FAT-on-NAND is to use SmartMedia. This is used by MP3
players, cameras etc. It works OK, has wear levelling (of a sort - not
explicit wear levelling). As Thomas says, this is not pure FAT but is very
close and it looks like FAT from the operating system. I would not trust it
for any data I cared about or if I needed a fast file system.
I have had a look at what is required to get YAFFS working on Windows (98,
2000, XP). I think this would be far easier, and give far better results,
than trying to make FAT robust.
-- CHarles
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