
VMware vSphere 5.1 Cookbook
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Storage DRS is a mechanism to balance space utilization and I/O load on datastores in a datastore cluster by migrating (Storage vMotion) the VMs. Storage DRS can only be enabled on a datastore cluster. To learn how to create a datastore cluster read the recipe Creating a datastore cluster.
It also influences the initial placement of the VMs on the datastores. For Storage DRS's I/O load balancing to work, all the hosts accessing the datastores should be of ESXi Version 5.0 or above. Also, the cluster cannot contain replicated and non-replicated datastores.
In this recipe we will learn how to enable Storage DRS.
The following procedure will guide you through the steps required to enable SDRS on a datastore cluster:
Use the vSphere Web Client to connect to the vCenter Server.
Navigate to Home | Storage.
Select the datastore cluster from the left pane; navigate to the Manage tab and then to the Settings sub tab:
Click on Storage DRS and click on Edit… to bring up the...
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