About VMware Datastores
A datastore is the storage repository for virtual machines and their data. A datastore can be either a Network File System (NFS) or Virtual Machine File System (VMFS). Cisco UCS Director provides a task library to create datastores from physical storage. Newly created and existing datastores are then used in VDC storage policies to provide a policy-based framework, from which you can select an appropriate datastore during VM provisioning. Datastores can also be identified as ISO image repositories to aid in ISO-based VM provisioning.