The trend for virtualizing server environments has grown considerably over recent years – and with good reason. Virtualizing servers offers real value by better using the available resources; reducing compute waste, allowing for dynamic and flexible resource allocation and improving business flexibility.
Manageability and sustainability are all key features. Virtualization offers improved manageability of environments and the automation and orchestration of processes and workflows de-risks an environment by eliminating human error.
Moving to a virtual environment can present challenges. Environments have often evolved without a clear strategic vision and can often be highly fragmented and wasteful, with various elements bolted on for specific tasks without any real thought to strategic integration with the rest of the environment – an IT version of Frankenstein’s monster.
Understanding these environments is crucial to making the transition a virtualised solution and Cutter is expert in the discovery and analysis exercise – it is important to have a strategic plan to help with the migration, optimising hardware usage and performance and also identifying opportunities for consolidation.
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Typical data centers contain a number of servers - in enterprise environments this number can be very large. Many of these servers sit idle as the workload distribution across these servers often underutilizes their full capability. This results in a waste of expensive hardware resources, power, maintenance and cooling requirements.
Server virtualization attempts to increase resource utilization by partitioning physical servers into multiple virtual servers, each running its own operating system and applications.
Server virtualization makes each virtual server look and act like a physical server, multiplying the capacity of every single physical machine.
Advantages offered by Infrastructure Virtualization
- Lower number of physical servers in the datacentre
- Power & Cooling savings
- Lower hardware maintenance contract costs
- Flexibility to deploy “Virtual Servers” quickly and without having to procure new hardware, migrate workloads around Virtual Datacentres with ease
- Run application workloads across multiple ‘virtual’ servers to provide improved performance and resiliency without necessarily incurring additional hardware costs
- Isolation & Security, running workloads on dedicated virtual servers provides software security and reduces the likelihood of application conflicts