Expand VMFS datastore
You can dynamically increase the capacity of a VMFS datastore to consume unused space on a LUN. Here are the instructions:
1. Select your ESXi host from the inventory and go to Related Objects > Datastores. Select the datastore you would like to expand and click the Increase datastore capacity icon:
2. The Increase Datastore Capacity wizard opens. Select the datastore you want to expand:
3. In the Partition Configuration drop-down menu, change the value to Use ‘Free Space XXXX GB’ to expand the datastore. The free space listed will be different in your environment:
4. Click Finish to expand the datastore:
