Affinity rules establish an affinity (or anti-affinity) relationship between DRS groups. You must create DRS groups before you can create a rule that links them.

1

Browse to the cluster in the vSphere Web Client navigator.

2

Click the Manage tab.

3

Click Settings, and click DRS Groups.

4

In the DRS Groups section, click Add.

5

In the Create DRS Group dialog box, type a name for the group.

6

Select VM DRS Group from the Type drop down box and click Add.

7

Click the check box next to a virtual machine to add it. Continue this process until all desired virtual machines have been added.

8

Click OK.