Many years ago at the University of Waterloo, multiple VM systems were connected together in a Single System Image and running virtual machines were moved from one physical system to another based on need. This is nothing new. This is just finally coming out from IBM.
Thank you Romney. /Tom Kern On Thu, 22 Oct 2009 15:03:12 -0500, Stephen Frazier <[email protected]. us> wrote: >On VMware you can move a running virtual machine from one ESX machine to >another without the operating systems running on the virtual machine >knowing it. >There are many good ideas from zVM that have been copied by VMware. This >is an example going the other way - zVM is using a VMware idea. >Both VMware and zVM developers will tell you that they don't get ideas >from the other - but as an administrator of both systems I can see what >is happening. >Same thing different names - a minidisk on zVM is a vmdk on VMware. A >vSwitch on VMware is ... >Now zVM is adding vmotion from VMware, so they call it Single System Ima ge. > >Alain Benveniste wrote: >> I'm not sure what should be understood by "Single System Image" ? >> Could you give me a brief explanation of this meaning ? >-- >Stephen Frazier >Information Technology Unit >Oklahoma Department of Corrections >3400 Martin Luther King >Oklahoma City, Ok, 73111-4298 >Tel.: (405) 425-2549 >Fax: (405) 425-2554 >Pager: (405) 690-1828 >email: stevef%doc.state.ok.us
