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:

increase datastore capacity

2. The Increase Datastore Capacity wizard opens. Select the datastore you want to expand:

increase datastore

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:

increase datastore free space

4. Click Finish to expand the datastore:

expand datastore

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