Folks, I am involved in discussions with some UNIX guys that insist Linux on s390 is not "vertically scalable". I need to get around this point. I have some questions.
I have heard that a single Linux image under VM can schedule a maximum of 4 CPU's without serious performance degradation. Is this true? Would this vertical scalability be offset in any way by the capability of running multiple images on they same physical processor? Would this setup need the applications cooperation for data sharing or not? How do we compare processor power between HP, Sun and IBM with relation to UNIX and Linux? If anyone can give me some referance articles or studies that I can cite it would also help. Daniel F. Lavoie Computer Scientist Computer Sciences Corporation (860) 823-2416
