The document discusses how CloudArray software can be used with Windows Server 2008 Hyper-V to create a file system/NAS that stores or replicates data to cloud storage for virtual and physical server environments. CloudArray presents iSCSI volumes to Windows Server from storage pools based on various cloud storage providers. It provides features such as caching, compression, encryption, asynchronous replication of volumes, and snapshot-based restores. A free 30-day evaluation of CloudArray software is available.