VMware vSphere™ PowerCLI Reference: Automating vSphere Administration

Chapter 15

Using Statistical Data

In this chapter, you will learn to:

• Understand Some Basic Concepts
  • What Does vCenter Server Add?
  • Historical Intervals
  • Statistics Levels
  • Metrics
  • Instances
• Gather Statistical Data
  • The Cmdlets
  • What Is in the Statistical Data?
  • Know Which Metrics to Use
  • Techniques
• Offload Statistical Data

Now that you have your vSphere environment running like you designed it, you want to know how it is faring over time. For this, you can use the built-in statistical data. When you are using vCenter Server, you will have access to aggregated data from the last year. When you are using stand-alone ESX(i) servers, the data at your disposal is much more limited.

The statistical data will allow you to show:

• If some guests are ...