[MPICH] Multi-homed and default configuration

[Steve Kargl]

I've set up mpich2 on a small cluster.  The master node,
where users will connect via the internet, is multi-homed
with a FQDN and a 192.168 subnet.  I want mpich2 to run
on the 192.168 subnet.  In reading the docs, this can be
accomplished by 

mpdboot --ifhn=192.168.0.10 -n 3 -f mpd.hosts

where 192.168.0.10 is in the master node and mpd.hosts
contains 192.168.0.{11,12,13,14,15}.

I've scanned the installation and user's guides and the
mpich-discuss archive, but can't find the answers to
the following questions.

Is it possible to have a /etc/mpdboot.conf file and
/etc/mpd.hosts file so that a ring of mpd servers can
be started by root such that the few users on the 
system will use this ring?

It appears that --ncpus= option will assume that all
nodes have the same numbers of cpus, which may not be
the case.  Is it possible to set the number of cpus in
a node via the mpd.hosts file?

-- 
Steve