Using Vmware Vsphere client and ESXI 4.0 when creating a datastore I have seen that when I choose NOT to use the full available space on the disk. I cannot use the remaining space later on the same disk to increase the datastore or create another datastore. Do I have to use the full disk capacity always the first time when I creating the Datastore to take advantage of the space available or there is a way later that I can increase or add another datastore on the same disk. Any tip would be nice.