Plain Virtualization

As the virtualization has grown more mature during the years, many users has asked me this  question, especially users who have just ride on the virtualization journey.  There isn't a right or wrong answers however what do you want to achieve at end state.  Do you have what you wanted keeping it at the current state? Let us take look why run the vCenter as physical machine. - Do not feel comfortable running management server as a virtual machine, prefer all management server as a physical machine - Uncomfortable to run the vCenter as part of the virtual infrastructure - Easy to locate the vCenter physical server when required Why run the vCenter as a virtual machine? - Able to enjoy protection from VMware Hight Availability - Able to have DRS perform on vCenter (consider DRS exception or DRS infinity on vCenter) - Less hardware maintenance and better utilize hardware - For higher availability, run vCenter Heartbeat however two set of vCenters is required. So...

I have got the chance to play with vSphere 5 RTM release and rather than going through all the new features that can be found on VMware TV in youTube, I shall find some common features that are on both release and see the differences. HA Admission Control Policy vSphere 4 The Admission Control Policy for vSphere 4 as shown on the left in the percentage of cluster resources is fixed and irregardless of CPU or Memory the percentage is applied for both. vSphere 5 In vSphere 5, notice that the percentage has be split out to memory and CPU. This updated percentage options, helps eliminate when you have like to specific different amount for CPU and memory with different tolerance. Virtual Machines Options vSphere 4 In the Virtual Machine Options, in was leave VM shutdown as the default value whenever Host Isolation is detected. Many of my customers actually thought this was the default value recommended by VMware and leave it as it is howeve...