On Saturday 08 November 2008 00:05:46 Deroo Stijn wrote:
> Hi,
>
> I'm using Yaffs2 on a 256MB nand flash chip.  I have encountered following
> problem:
>
> When I put files on the nand flash via ftp, all seems to go right.  But
> when I turn off and on the power of my device, and connect back via ftp to
> it, I see some directories/files are disappeared.  Although I could see
> them before I turned of the power supply. Doing a umount/mount before turn
> power off/on, doesn't change a thing.
>
> Did someone experienced the same issue?  Where to look at?

Do you have a lot of files in lost+found?

This problem is almost certainly caused by some problem with tags getting 
corrupted in the mtd layer.

-- Charles