Disk-based digital video recorder

Details Disk-based digital video recorder Disk-based digital video recorder

1995-06-01

1996-11-12

Ramirez, Ellis B.

Boots, shoes, and leggings

G06F 1700

Patent

active

055746624

ABSTRACT:
A digital video recorder employing standard hard disk arrays employs a caching system to enable continuous video data to be supplied to and provided from the standard disk drives which may not be adapted for continuous data stream operation. The system is implemented as an array of disk drives and includes cache management functions for governing disk read and write operations. A predictor enables the cache to predict disk reads and disk writes and to maintain the cache based on the predictions. Redundancy enables playback in the event of failure of a drive in the array and also provides improved playback data retrieval time.

REFERENCES:
patent: 5313626 (1994-05-01), Jones et al.
patent: 5473761 (1995-12-01), Parks et al.

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