A cluster is a type of parallel or distributed computer system, which consists of a collection of inter-connected stand-alone computers working together as a single integrated computing resource.
The components of a cluster are usually connected to each other through fast local area networks, each node running its own instance on an operating system.
Computer clusters emerged as a result of convergence of a number of computing trends including the availability of low cost microprocessors, high speed networks, and software for high performance distributed computing.
Clusters are usually deployed to improve performance and availability over that of a single computer, while typically being much more cost-effective than single computers of comparable speed or availability.
Computer clusters have a wide range of applicability and deployment, ranging from small business clusters with a handful of nodes to some of the fastest supercomputers in the world such as the K computer.
Some great tutorial videos on Hyper-V Cluster Setup
iSCSI Setup Demo
Failover Clustering Setup
Clustered Shared Volume
Installing Microsoft Hyper-V
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