Learn about building a private data storage cloud in this 55-minute conference talk from Notacon 11. Explore the benefits and applications of AFS (Andrew File System), including its use by organizations like CERN. Discover key components such as Kerberos authentication, file servers, and configuration servers. Gain insights into AFS architecture, including read-only space, client interactions, and file management. Compare AFS with other systems like Lustre, and understand file size limitations and access controls. Explore management interfaces, command-line tools, and alternatives for environments without Kerberos. Enhance your knowledge of distributed file systems and private cloud storage solutions through this comprehensive presentation.