[Cerowrt-devel] Is there a particular reason cerowrt isn't using UBIFS?

David Lang david at lang.hm
Sun Aug 31 03:01:29 EDT 2014

On Sat, 30 Aug 2014, Theodore Ts'o wrote:

> Potentially stupid question.  I was taking a look at
> 	http://wiki.openwrt.org/doc/techref/filesystems
> and there was discussion there about how using raw squashfs doesn't
> deal with wear leveling and bad flash blocks, and that openwrt is now
> using ubifs for all targets with raw NAND flash --- and my
> understanding is that the WNDR 3800 uses raw NAND flash.

The 3800 is the last generation before NAND flash started shipping, the 3700v4, 
4300 etc have NAND flash, and that is why support for them lagged for a long 
time (just hitting this year, even though the routers have been out for a couple 
of years)

David Lang

>  Is there any
> particular reason why Cerowrt isn't using ubifs, or squashfs over ubi,
> other than purely historical and/or this wasn't the research focus of Cerowrt?
> Thanks,
> 					- Ted
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