You want to extend your vcloud Storage for any org VDC. You Extended the datastorage from the vCenter but how you will extend it under vcloud Slice. for that you need to reach to the vcloud Administration Settings.
Step 1 . Once you added your storage in to the vCenter Datastore . You need to allocate the extended Datastore to the vcloud org vdc as well. For that you need to go to the vcloud slice and click on Administration>storage policies>properties.
Step 2. Extend the datastore Limit inside the General Tab. And click okay. Your data store size will be extended
Now you can see your datastore under Manage And monitor page for the current storage assigned. Thanks for reading