Module-3.2 (Storage Virtualization)

https://drive.google.com/file/d/0BwjDFrlgkmMtRHQ3bGRCa19pTU0/view?usp=sharing

Module-3.1(Storage Virtualization )

https://drive.google.com/file/d/0BwjDFrlgkmMta19vdUVaS3lsTTQ/view?usp=sharing

Module-2(File and NAS)

https://drive.google.com/file/d/0BwjDFrlgkmMtaTFFOGJHLWpTRkE/view?usp=sharing

Module-2 (I/O Techniques)

https://drive.google.com/file/d/0BwjDFrlgkmMtbXNXSllJY1dXTVU/view?usp=sharing