You can create VM-Host affinity rules 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

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

Procedure

  1. Browse to the cluster in the vSphere Web Client navigator.
  2. Click the Manage tab.
  3. Click Settings and click DRS Rules.
  4. Click Add.
  5. In the Create DRS Rule dialog box, type a name for the rule.
  6. From the Type drop down menu, select Virtual Machines to Hosts.
  7. Select the virtual machine DRS group and the host DRS group to which the rule applies.
  8. 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.

  9. Click OK.