On Fri, 19 Feb 2010 11:41:07 -0500, George Henke wrote: >Let's face it, even by IBM's admission, PR/SM is little more than VM in >microcode.
The implementation of PR/SM is indeed similar to VM. It may even share quite a bit of code, but it is not virtual. You have to allocate the processor storage to each LPAR. Real devices have to be provided for each of them. Consoles, for example. >So why put VM in microcode in the first place PR/SM was implemented because Amdahl had MDF and their customers liked it. >and limit us to only 60 LPARs. That is a lot of LPARS when you consider that you have to allocate storage to each of them. How much memory do you have, and how many ways are you willing to divide it? -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html