File system primitive providing native file system support for r

Details File system primitive providing native file system support for r File system primitive providing native file system support for r

1997-06-13

1999-11-02

Lintz, Paul R.

Data processing: database and file management or data structures

Database design

Data structure types

707 10, 707200, G06F 1730

Patent

active

059788151

ABSTRACT:
In order to decrease the overall cost of storing large amounts of data, systems have been developed that use a hierarchy of storage devices from fast local disks to archival off-line storage. Such storage devices may be managed in a hierarchy where data that is accessed only infrequently can be moved to archival storage. The present invention relies on a tight integration of a hierarchical storage manager into the I/O system so that remotely stored attributes can be identified and tracked internally to the I/O system just like any other attributes. Implementations of the present invention may rely on a layered driver model where lower level drivers detect the existence of files with remotely stored attributes and then transfer control for processing I/O requests involving files with remotely stored attributes to higher level drivers. The higher level drivers then assume control to finish processing the I/O request.

REFERENCES:
patent: 5276867 (1994-01-01), Kenley et al.
patent: 5367671 (1994-11-01), Feigenbaum et al.
patent: 5537585 (1996-07-01), Blickenstaff et al.
patent: 5617568 (1997-04-01), Ault et al.
patent: 5628007 (1997-05-01), Nevarez
patent: 5675781 (1997-10-01), Duncan et al.
patent: 5689701 (1997-11-01), Ault et al.

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