Re: [PATCH 00/22 take 3] UBI: Unsorted Block Images

David Woodhouse
2007-03-26T00:21:33Z

On Mon, 2007-03-26 at 02:01 +0200, Jörn Engel wrote:
> You can on NAND. ECC is done in software. And for a data structure as
> simple as the 'tally', foregoing ECC is not a huge problem - most
> bitflips are easily detected and the remaining only cause off-by-a-few
> on the erase count.

You're only allowed a limited number of write cycles to each page
though. So you can't just clear the bits in a 2112-byte page one at a
time; typically when you clear the fifth bit, the contents of the whole
page become undefined until the next erase cycle.

--
dwmw2