Mastering PowerCLI

Using the DRS affinity and anti-affinity rules

In this section, we will discuss the advanced settings of a cluster. We can use the following cmdlets for this section:

• Get-DrsRule
• New-DrsRule
• Remove-DrsRule
• Set-DrsRule

First, we will create a new anti-affinity rule with the two Test1 and Test2 VMs that we created for this purpose. We want to always keep them separate in such a way that they will not run on a single host at any point of time. For this, we will use the New-DrsRule cmdlet to create a rule. We will use the following command for this:

PS C:\> New-DrsRule –Cluster 'Lab Cluster' –Name `  antiAffinityTest1 -KeepTogether $false –VM Test1, Test2

The result of the preceding command is shown in the following screenshot:

Note the warning about the ...