anyone here running a server with /usr mounted readonly?

[Jordon Bedwell]

  On 9/4/2010 6:06 AM, Robert P. J. Day wrote:
>    theoretically, as long as you're not constantly installing or
> upgrading software, you should be able to mount a /usr filesystem
> readonly.  anyone out there actually running a production system with
> that configuration?  just curious.
>
> rday
>

I don't see a problem with it, just like as you said, you don't 
constantly install and uninstall software and you put /usr/local on a 
separate partition so that it's still writable.