International Business Machines Corporation

Ngoc V Nguyen

Gregory John Tevis

Daniel Graham Douglas

David W Groves

Douglas Paul Dunham

Paul Lawrence Bradshaw

Nancy Lott Hobbs

Tina Lynn Dunton

Brian Augustine Delaire

Ophelia K Yip

Vincent Jomartin Hoang

Louis Leo Lorber

His Tai (Steve) Hsu

A storage area network (SAN) includes a plurality of digital data processors, each with a file system that effects access to one or more storage devices coupled to the SAN, for example, via an interconnect fabric. A process (e.g., executing on a manager digital data processor) responds to a file system over-extension notification from at least a selected one of the digital data processors, e.g., by assigning a further storage device to the selected digital data processor. The type of response is, more particularly, determined in accord with a hierarchically defined policy inherited, in whole or in part, from one or more hierarchical groups of which the digital data processor is a member.

Storage area network methods and apparatus with hierarchical file system extension policy

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San Jose, CA, United States of America

Ngoc V Nguyen