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Operating system Computer science File system Computer file Storage area network Database Versioning file system Computer data storage Unix file types Mass storage Stub file Network File System Data file File management File server

William Collins , Marjorie J. Devaney , Emily Willbanks ·

YOU? · · 2024 · Open Access · · OA: W1566499374

The Common File System (CFS) is a file management and mass storage system for the Los Alamos National Laboratory's computer network. The CFS is organized as a hierarchical storage system: active files are stored on fast-access storage devices, larger, less active files are stored on slower, less expensive devices, and archival files are stored offline. Files are automatically moved between the various classes of storage by a file migration program that analyzes file activity, file size and storage device capabilities. This has resulted in a cost-effective system that provides both fast access and large data storage capability (over five trillion bits currently stored).