I came across an interesting error attempting to delete am empty datastore from one of my VMware environments. Here's the error I get: The resource [datastore name] is in use. Version: ESXi 4.1 Pesky Datastore: iSCSI SAN Volume In use? But I moved everything off of the datastore and deleted the rest of the snapshot data and rubbish spread about the left over directories. What gives? Datastores will still be in use if something is still pointing or mounted to them Although you may … [Read more...] about VMware – The resource [datastore name] is in use.