The Best Thin Provisioning References. Web learn how to create and manage thin provisioned virtual disks on vmware vsphere datastores. Web thin provisioning is a technique that allows you to allocate more storage space to your virtual machines than you actually have on your physical disks.

When creating a virtual disk file, by default vmware esxi/esx uses a thick type of virtual disk. Instead, storage is allocated dynamically, as it is needed. Also known as virtual provisioning or thin storage, thin provisioning is the rival disk provisioning method.