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vSphere High Performance Essentials by Christian Stankowic

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Chapter 2. Cluster Optimization Approaches

In the last chapter, we covered the basic hardware design concepts of high-performing virtual infrastructure setups. In this chapter, we will take a look at the possibilities to improve our cluster design.

In this chapter, we will cover the following topics:

  • Cluster hardware design concepts
  • Improving resource pools
  • Dynamic resource scheduler
  • High Availability
  • Fault Tolerance

Cluster hardware design concepts

When designing the host sizes for an ESXi cluster, it is essential to think about its planned mandatory use case. Most clusters can be divided in two major categories: scale-up and scale-out. While scale-up basically means having less hosts, each with more power; scale-out is quite the opposite, resulting ...

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