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Today, many data centers have servers running at only 10 or 15 percent of total processing capacity. In other words, 85 or 90 percent of the machine’s power is unused. The old processes associated with physical provisioning of servers and associated computing equipment meant that it was difficult, if not impossible, to react quickly to a changing business environment. Virtualization is the answer to increase business agility and operational flexibility.



Virtualization is an approach to pooling and sharing technology resources to ensure supply can readily meet business demand. However, there are some inherent challenges that arise from virtualization - Virtualized systems make it difficult to keep track of who owns what servers and which business units use which applications on different servers. Proper virtualization management requires capacity planning both before deploying virtualization and once the virtual infrastructure is in place. Unlike physical systems, virtual environments create overlap among servers and hardware, making it difficult to determine where to run applications and which underutilized hardware can take on additional load.



A life-cycle approach to capacity planning should be put in place which understands resource requirements and uses utilization rates to predict future needs for on-going business agility. Few vendors in the market space have the know-how and expertise that can address both physical and virtual environments in a heterogeneous landscape – so be sure to look for the best in bread across both disciplines when choosing a capacity planning & management vendor. Capacity planning & management are no longer the after-thought but the corner-stone of effective Virtualization in today’s rapidly changing business and IT environment.