Interesting post by Don Bergal (thank you)
Virtualization is certainly not a novel concept – in fact the idea of virtualization has been around since the 1960s. Today, virtualization of all the layers of a computing environment – hardware, operating system and applications – have become mainstream. But of all the tier one applications, large production databases lag behind other applications in their rate of migration to virtual servers.
Why the lag with databases?
Looking back, the reasons for the hesitancy were abundant but they are rooted in uncertainty – not true technical hindrances. For example, database vendors often are their own worst enemies because they discouraged the transformation. They did not want the support issues associated with databases, nor the requirement that they revise their database licensing models. Also, they were in competition with companies such as VMware, so marketing databases on virtual servers was verboten.
Read on here