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vSphere High Performance Essentials by Christian Stankowic

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Improving resource pools

In this section, we will focus on the key concepts of resource pools. You will learn how to calculate shares in order to design resource pools in a profitable way.

Understanding resource pools

Resource pools are often used to delegate resource control of a cluster or a particular ESXi host that is not of a cluster. To sum it up, there are three major use cases to implement the resource pools:

  • Separating resources from hardware: Resource management is independent of the current host—even if it has different server configurations in an ESXi cluster.
  • Resource isolation: Using reservations and shares, it is possible to ensure fair use of resources between workloads. Changing particular resource pools will not harm the other unaffected ...

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