Modular data storage directories for large-capacity data storage units

摘要: An updatable and expandable directory structure resultant access procedures emulating a write-once or indelible record medium (20) to rewriteable as accessing characteristics. The is indexed; one header for first set of files indexes another files. Sector clusters data extents are managed such that random recording from any file proceeds independently stored on the recorde. Each entry contains an archival history related in medium. Both logical physical addressing employable.