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Mastering PowerCLI by Sajal Debnath

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Configuring Fault Tolerance

In this section, we will discuss how we can use vSphere API's to configure FT through PowerCLI. For this, let's explore the methods and properties that we need to access.

If we access the APIs, we can see that there are two methods, CreateSecondaryVMEx_Task and CreateSecondaryVM_Task, which we can use to configure Fault Tolerance (FT). If we check, we can see that CreateSecondaryVM_Task is the deprecated method. So for this example, we will use the CreateSecondaryVMEx_Task method.

If we check the CreateSecondaryVMEX_Task method, we can see that it takes two different parameters, host and spec. The host parameter is for specifying a host system where the secondary VM should be placed, and spec is a Data Object of type ...

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