Storage reports file system scanner

Details Storage reports file system scanner Storage reports file system scanner

2008-07-15

2008-07-15

LeRoux, Etienne P (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

Reexamination Certificate

active

11206425

ABSTRACT:
Described is a storage reports scanner that works to generate reports of storage usage in computer systems in an efficient manner. The scanner receives a set of namespaces for a file system volume from a storage reports engine. The scanner scans file system metadata to construct a directory table of entries corresponding to a directory tree of nodes representative of the hierarchy of directories of the file system volume. Each node corresponding to a namespace in the namespace set is marked as included. A second scan of the file system metadata determines, for each file, whether that file is in or under an included directory by accessing the directory table. For each file that is in or is under an included directory, file information is returned to the engine. The engine may request the scanner to provide full path information, which the scanner determines via the directory table.

REFERENCES:
patent: 2005/0021657 (2005-01-01), Negishi et al.
patent: 2005/0044089 (2005-02-01), Wu et al.
patent: 2005/0065961 (2005-03-01), Aguren
patent: 2007/0038697 (2007-02-01), Zimran et al.

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