Data processing: database and file management or data structures – Database and file access – Database access control methods
Reexamination Certificate
2002-11-01
2011-10-18
Rones, Charles (Department: 2164)
Data processing: database and file management or data structures
Database and file access
Database access control methods
C707S947000
Reexamination Certificate
active
08041735
ABSTRACT:
A distributed file system and method distributes file system objects across multiple self-contained volumes, where each volume is owned by a unique file system node. Logical links are used to reference a file system object between volumes. Each file system node includes a relocation directory in which is maintained hard links to locally-stored file system objects that are referenced from another file system node using logical links. Various file system operations that involve multiple volumes are performed without having to place a write lock on more than one volume at a time. Various caching schemes allow the various file system nodes to cache file system object data and metadata.
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Aston Christopher J.
Benham Simon L.
Cattaneo Fiorenzo
Lacapra Francesco
Willis Trevor E.
BlueArc UK Limited
Chojnacki Mellissa M
Rones Charles
Sunstein Kann Murphy & Timbers LLP
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