I am testing my code now for reconstruction and having some success.

On Thu, Jun 23, 2011 at 10:41 AM, Peter Pilley <peter.pilley@gmail.com> wrote:

I was thinking that this morning on my drive in, I am going to play with the chunk size again and see what I can come up with.

The default is 2048 correct?.

On Thu, Jun 23, 2011 at 9:55 AM, Charles Manning <manningc2@actrix.gen.nz> wrote:

On Wednesday 22 June 2011 16:32:48 Peter Pilley wrote:
> Everyone on list.
>
> I was doing a comparison today of mkyaffs2image and nanddump and noted that
> a dump with nanddump had chunk sizes upto 4096 whereas the mkyaffs2image
> was only 2048.
>
> the dump was of the /system mount with mkyaffs2image and the /dev/mtd/mtd5
> (system) for nanddump.
>
> I am confused can anyone help out here

yaffs2 can use pretty much any chunk size you want and people regularly use
2k, 4k or other sizes (not necessarily 2^n).

mkyaffs2image is set up to generate 2k chunks. If you want to change the NAND
geometry then hack as you please.

-- Charles

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