[Beowulf] small-footprint MS WIn "MinWin"
jcownie at cantab.net
Tue Oct 23 14:57:51 EDT 2007
On 22 Oct 2007, at 19:37, Robert G. Brown wrote:
> If we wanted to make a small compromise and perhaps manage a very few,
> very standard peripheral devices and maybe make it easier to run
> different programs, we might right the smallest possible operating
> system -- something capable of taking a portable binary that we
> want to
> run and loading it onto the CPU to run, while providing it with some
> more or less fixed entry points into code for e.g. reading or writing
> disk, maybe a network device (trickier, because of the asynchronous
> problems there), and of course managing memory. Let's name our
> "DOS" just for grins.
> I'm just curious. Who runs their cluster nodes at level 1 or 2 (plus
> networking as needed)? Anybody? Show of hands?
Seems to me that your "DOS" could equally be a description of SUNMOS
(http://en.wikipedia.org/wiki/SUNMOS) and its descendants, which
(AFAIK) are still in use at Sandia running significantly large
clusters solving production problems.
Indeed Cray's Unicos/ic (the node os in the XT machines) describes in
a similar way, and may even be the latest Sunmos descendant, if not
it's certainly philosophically close.
So the answer to your question is likely "Quite a lot of people".
(Or, maybe, a few people, but they have a *lot* with a lot of nodes :-))
James Cownie <jcownie at cantab.net>
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