On 2/9/06, Peter Barada <peterb@logicpd.com> wrote:

>  I use a YAFFS1 NOR-based system, and in the writes, we lay
> down the data chunk, and then the tag.  In the unlikely event that a
> power-cycle occurs while writing the data, the tag is still empty, but
> some of the data chunk is not erased, and then next time a write occurs
> into that chunk, YAFFS sees that the write fails since the previous data
> was written(and retires the whole block), even though the tag indicated
> the chunk is empty.

That does seem to be preferable over writing the tag twice.

Jon.