VMware vSphere Distributed Resource Scheduler (DRS) is a feature that enables your virtual environment to automatically balance itself across your ESX host servers in a cluster in an effort to eliminate resource contention. Here is how you can enable DRS on a cluster using vSphere Web Client:1. Select your cluster from the inventory, go to Manage > Settings > vSphere DRS, and click the Edit button on the right:2. The Edit Cluster Settings window opens. Select vSphere DRS on the left and check the Turn ON vSphere DRS checkbox:
3. Expand the DRS Automation option. You can set the automation level and determine how aggressively DRS will select to migrate VMs:
4. Click OK to enable DRS.To verify DRS functionality, go to the Summary page of your cluster. You should see the vSphere DRS panel:
Note that the gauge shows that the cluster is imbalanced. To display DRS recommendations, go to Monitor > vSphere DRS:
As you can see in the picture above, DRS recommends to migrate the VM to another host.
3. Expand the DRS Automation option. You can set the automation level and determine how aggressively DRS will select to migrate VMs:4. Click OK to enable DRS.To verify DRS functionality, go to the Summary page of your cluster. You should see the vSphere DRS panel:Note that the gauge shows that the cluster is imbalanced. To display DRS recommendations, go to Monitor > vSphere DRS:As you can see in the picture above, DRS recommends to migrate the VM to another host.
