File replication in a distributed segmented file system

Details File replication in a distributed segmented file system File replication in a distributed segmented file system

2007-07-02

2010-11-16

Filipczyk, Marc R (Department: 2158)

Data processing: database and file management or data structures

File or database maintenance

Synchronization

C707S636000, C707S638000, C707S999200

Reexamination Certificate

active

07836017

ABSTRACT:
A system includes storage configured to store file system entities, including directories and files, residing in segments of a distributed, segmented single file system, file servers configured to implement the single file system with separate ones of the file servers controlling metadata of separate ones of the segments, and a controller configured to control storage of files in the file system such that for a master file stored in a first segment, a first replica of the master file will be stored in a second segment that is physically separate from the first segment, the controller being further configured to control storage of directories in the file system such that a single directory will include identifiers for the master file and the first replica.

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