Two heads are better than one! :)

[Dean Johnson]

On Thu, 2002-10-31 at 14:05, Robert G. Brown wrote:
> 
> The original >>beowulf<< concept was more like "the COTS cluster is the
> supercomputer", and that is what scyld and the nasa goddard folks have
> largely focused on, so most "true beowulfs" have a single head node, but
> the strictly defined beowulf is far from the first or the only cluster
> architecture.  Even in the early days, there were a number of linux
> beowulfish clusters (that really did have dedicated, isolated nodes and
> access only via head nodes) with more than one head node.
> 

The closer you come to having all the nodes externally accessible (ie.
like head nodes), the more it smells like a 'grid'.

	-Dean