[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: NAND flash and JFFS(2)
On Wednesday, 13. February 2002 21:03, Lance Nakamura wrote:
> 2 things:
> 1) can the test be set to remove power more frequently,
> as in every minute rather than every hour? our experience with
> power fail safety is that you have to run at least 100K cycles,
> 2) an important test is to remove power while the file
> system is trying to recover. in the real world, power failures
> are rarely clean, isolated instances. you may get multiple failures in
> as little as 1 second (failures a few hundred miliseconds apart).
You're right, but this was a test for a big hack inside the fs.
The power on/off was just a little addon. If we have finished some left
issues i will setup a real power fail safety test.
Thomas Gleixner, autronix automation GmbH
auf dem berg 3, d-88690 uhldingen-muehlhofen
fon: +49 7556 919891 , fax: +49 7556 919886
To unsubscribe from this list: send the line "unsubscribe jffs-dev" in
the body of a message to email@example.com