Windows Server 2012 includes a new version of one of the most interesting features when working with Failover Clustering. When enabled, Cluster Shared Volume (CSV) 2.0 allows multiple nodes to simultaneously access the same NTFS file system, providing your cluster environment with flexibility and reliability. CSV also brings all disks in the cluster to a single location, improving access and management, and it also improves operational efficiency by increasing availability.
The new version brings CSV to other roles such as file servers, not only for Hyper-V as with the previous version.
This is the list with the most important improvements and features of CSV 2.0: