Plain Virtualization

The term "lock in" has been there for many reasons. Recently was in a discussion with some customers and this term came about again. Let's first define "lock in". In the context of IT, "lock in" prevent customers from moving away from an adopted technology, or you call in trapped. Using example of mainframe. Once an application runs mainframe, there is no alternative replacement. The only way to move out is to look for a replacement doing a complete refactor and hoping that data can still be utilised. That also explains, in the early days when mainframe was introduced till date, most are still on it. Also of course not mentioning the reliability and downtime that mainframe provide. At that point in time, there were only less than a handful of mainframe system e.g. IBM, Compaq Tandem, etc. and the technology offered were far beyond any others. At today's context, technology choices of a similar domain are massive. Even though mainframe might be an l

If you have not heard of Dell VxRaill appliance, you might just want to check it out. Just giving a short summary, this is a purposeful engineered appliance between Dell and VMware. Optimized to run vSphere, and vSAN which is VMware hypervisor and HCI solution. It comes with its own lifecycle management deeply integrated with VMware vCenter Server for lifecycle management as well. Such a beast of all appliance definitely comes with some design and best practices which will help you get the most out of it. So the right guy who have it al written down would be, Victor Wu . Victor is no stranger to Dell and VMware. He has been a great advocate on the two and more. This is not his first and won't be his last book I suppose.  I was fortunate to have received a copy from him. Definitely worth a read if you are trying to get updated and understand more why some of the design and best practice. Some of it could also be used on other systems.  Do check it out  Dell VxRail System Design and