Another approach is to run this up in yaffs direct using a nand-on-file 
emulation.

On Wednesday 02 December 2009 10:26:08 Charles Manning wrote:
> What I suggest is that you first start off by running yaffs on the nandsim
> then doing a dump from that and checking that looks like it should and that
> you can then nandwrite that back.
>
> Once you can make the process work with just one device it is then a lot
> easier to see why things don't work when importing from somewhere else.
>
> -- Charles
>
> On Wednesday 02 December 2009 01:57:04 McCash John-GKJN37 wrote:
> > Charles,
> > 	OK, so we apparently do have the OOB data in these image dumps
> > (obtained via the dump_image-arm tool included in nandroid), but when we
> > attempt to upload them to a nand emulator (under Ubuntu) with 'nandwrite
> > -a -o', we're still getting the error:
> >
> > Input file is not page-aligned. Use the padding option.
> > Data was only partially written due to error
> >
> > : Success
> >
> > 	Where do we go from here? Should this work, and if so, how do we
> > determine exactly what the problem really is?
> >
> > 		Thanks much for your help
> > 			John McCash
> >
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