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Implementing VMware vCenter Server by Konstantin Kuminsky

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Chapter 4. Availability Management

This chapter focuses on the features in vCenter that allow you to reduce downtime and ensure that your services are available for end users most of the time.

We will discuss the different aspects of vSphere's High Availability (HA) and Fault Tolerance (FT), including host and VM monitoring, datastore heartbeating, and Distributed Resource Scheduler (DRS).

In this chapter we will cover the following topics:

  • Reducing planned and unplanned downtime
  • Creating a vSphere HA cluster
  • HA security, logging, and admission control
  • Preparing hosts and configuring FT

Reducing planned and unplanned downtime

Whether we are talking about a highly available and critically productive environment or not, any planned or unexpected downtime ...

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