You can create VM-Host affinity rules in the Cluster Settings dialog box to specify whether or not the members of a selected virtual machine DRS group can run on the members of a specific host DRS group.

Before you begin

Launch the vSphere Client and log in to a vCenter Server system.

Create the virtual machine and host DRS groups to which the VM-Host affinity rule applies.

Procedure

  1. In the vSphere Client, right-click the cluster in the inventory and select Edit Settings.
  2. In the left pane of the Cluster Settings dialog box under vSphere DRS, select Rules.
  3. Click Add.
  4. In the Rule dialog box, type a name for the rule.
  5. From the Type menu, select Virtual Machines to Hosts.
  6. Select the virtual machine DRS group and the host DRS group to which the rule applies.
  7. Select a specification for the rule.
    • Must run on hosts in group. Virtual machines in VM Group 1 must run on hosts in Host Group A.

    • Should run on hosts in group. Virtual machines in VM Group 1 should, but are not required, to run on hosts in Host Group A.

    • Must not run on hosts in group. Virtual machines in VM Group 1 must never run on host in Host Group A.

    • Should not run on hosts in group. Virtual machines in VM Group 1 should not, but might, run on hosts in Host Group A.

  8. Click OK.