Method for non-volatile caching of network and CD-ROM file accesses using a cache directory, pointers, file name conversion, a local hard disk, and separate small database
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United States of America Patent
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Sep 8, 1998
Grant Date -
N/A
app pub date -
May 1, 1996
filing date -
May 1, 1996
priority date (Note) -
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Abstract
A non-volatile caching system and a method for implement such a system is disclosed. The system is particularly applicable to rotating magnetic media such as hard disk drives. The system retains data even in the event of system shut-down and re-boot. The system is capable of rapidly caching data from large, randomly accessed files, such as databases, in a space-efficient manner. The cached data can be stored in nearly any standard or non-standard format on the magnetic media. A conversion routine converts CD-ROM file names or network file names to local hard disk drive file names and back. A mini-database is created for each cached file on the hard disk drive. The mini-data base maps randomly-accessed blocks of data within the cached file on the local hard disk drive.
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