Disk seek optimized file system

Details Disk seek optimized file system Disk seek optimized file system

2007-12-20

2010-11-16

Rones, Charles (Department: 2164)

Data processing: database and file management or data structures

File management

File systems

C707S824000, C711S173000

Reexamination Certificate

active

07836107

ABSTRACT:
A disk-seek optimized file system is provided that may be advantageously deployed in a computer system that supports simultaneous Digital Video Recorder (DVR) functionality and user interaction, such as recording several television (TV) shows while simultaneously supporting a video game played by a user. A computing device hard drive is logically divided into “chunks,”—a first chunk comprising volume metadata, and subsequent chunks comprising equal size “blocks.” A first block of a subsequent chunk comprises block bitmaps and a stream identifier table. The block bitmaps indicate subsequent blocks in the chunk that contain stream data for particular streams, which are identified in corresponding entries in the stream identifier table.

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