My friend Jérome mastering the beast below (M9000). The scene is taking place in a large datacenter in France. I desperatly try to convince Jérome to forget the "beast technology" and move on to software, but that's a dead end!
There are two system controller boards. You access them through a "classical" console with a pre-defined set of commands. Or you can access the beast with a web browser interface à la Lockart. Suffice to generate a certificate and you get through https. Up to the console commands, you can dynamically move one cpu from one board to an other board without halting the domain. Each CMU board is a equipped with 4 cpus, each cpu @2,1Ghz being 4 cores. The system controllers are on the image below:
Same for the I/O, you can change an I/O board without interrupting the domain:
