Directory aggregation for files distributed over a plurality of servers in a switched file system
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United States of America Patent
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N/A
Issued Date -
Jul 8, 2004
app pub date -
Jan 2, 2003
filing date -
Jan 2, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A file switch, logically positioned between client computers and file servers in a computer network, distributes user files among multiple file servers using an aggregated directory mechanism. A hierarchical directory structure is created on the file servers and used to store metadata files, which store metadata for each user file to indicate where data files, containing portions of the user file, are stored. The file switch automatically spreads the data files and metadata files over a large number of distinct directories on multiple file servers, preventing large number of data files from being stored in a single directory on a single file server. In response to a directory enumeration request from a client computer, one or more directories of metadata files on one or more of the file servers is enumerated, instead of enumerating the data file that store the user file portions.
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