Re: Linux on CF-Cards
On Thu, Jan 22, 2004 at 11:46:01PM +0100, Wolfgang Denk wrote:
Hi Wolfgang,
> > CF is a great way to boot up the system. Then, most of its content
> > should be mounted as read-only on a ram-based root filesystem. The
> > writable-part should be on the ramdisk, and should be updated to
>
> Using a ramdisk is simple, but far from optima. In almost all
> circumstances a tmpfs is a much better choice.
I mean tmpfs when mentioning a ramdisk, not ramfs. Yes, tmpfs expands
as needed depending in available RAM. It is much better than ramfs.
> > Does Linux have union-mount yet, in 2.6.x? It will make my life
> > less miserable in building embedded systems.
>
> We're working on a FIST based fan-out filesystem which will allow
> exactly what you are looking for.
Thank you for the information. I will take a look at it. It will make
updating the software/filesystem more robust on the embedded scale.
Bao
--
Best Regards.
Bao C. Ha
Hacom OpenBrick Distributor USA http://www.hacom.net
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