Plain Virtualization

I started this blog when I was doing technical implementation and design back in IBM days. The term always use is Post Sales engineer/consultant. It was held up and I never get to start anything until I left and joined BT Frontline which is the now British Telecom. I started this blog in Apr 2011 with one main purpose, paying forward for what I have benefited from the community. I remembered clearly, during my early years when I was building a VMware View in my home lab, someone from LinkedIn VCP group was so willingly helping over message and a call from oversea to help me troubleshoot and guide me to configure a vyatta virtual router. Since then, I decided to share what I have learned if not I would not have gain as much as I have. That very year, I got an opportunity at VMware and join the company as a System Engineer which industry term it as Presales engineer. It was my dream company and I never looked back since. I carry on to share what I learned without any plan in my career. J...

Recently I was asked by some customers who have not yet start virtualization.  They asked which technology should they choose?  Microsoft Hyper-V, VMware vSphere, Oracle VM, Citrix Zen or even Redhat KVM. I would like to take this as a neutral perspective here.  Here I do not want to be bias against any technology but rather be open about it and to start at the base and looking towards the goals. What is your reason that you are going to start virtualization? Many wanted to do because they see people doing it and they believe it is cost saving.  Have you assess if this is really cost saving for yourself?  For one reason, if you are paying hosting of your server workload, would you really bother about if it is virtual or physical for the SLA you have paid for? Once you have determine your reason on virtualization, next we talk about what do you want to achieve out of virtualization? Many talk about TCO, ROI and really the cost savings.  Honestly all ...