text: what is snapdrive?   network storage virtualization & management software, from the company network appliance (netapp):  "with snapdrive software from network appliance, you can reduce the cost and complexity of managing storage for your company by enabling flexible and efficient utilization of storage resources to improve data and application availability. snapdrive software offers a rich set of capabilities to virtualize and enhance storage management for microsoft® windows® and unix environments. it is tightly integrated with the native file system and provides a layer of abstraction between application data and physical storage associated with that data."