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Mastering Citrix® XenServer® by Martez Reed

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Chapter 5. Ensuring Availability

A primary goal for all IT departments is to ensure that systems are highly available and that users or customers can access the resources they need. Citrix XenServer offers a number of features that help reduce downtime for the hosted virtual machines. The High Availability (HA) feature reduces downtime by automatically restarting VMs from a failed server onto an active server.

In this chapter, we'll learn about the following topics:

  • Resource pools
  • XenMotion
  • Storage XenMotion
  • HA

Resource pool overview

A resource pool allows multiple XenServer servers to be managed as a single entity. This functionality allows compute and memory resources to be aggregated along with ensuring a consistent configuration across hosts in the ...

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