To partition IBM servers, you can use either a Hardware Management Console (HMC) or a relatively new product called Integrated VirtualizationManager (IVM).
When installing the VirtualizationManager Agent on the host servers, choose to create the master image later, and don't clone the physical server to a virtual server.
HP virtualizationmanager, HP Capacity Advisor, and virtual Machine migration (for IVM's) allow a running VM and its applications to be moved to a different VM host without service interruption.