Hitachi Data Systems Engineering UK Assigned Two Patents

Virtualization of file system, data storage system for virtualization of file system,
and file server for use in data storage system
Hitachi Data Systems Engineering UK Limited, Berkshire, Great Britain, has been assigned a patent (9,460,112) developed by Powell, Richard, Maidenhead, Great Britain, Gibbs, James, Wokingham, Great Britain, Warner, Timothy, Farnborough, Great Britain, and Tabaaloute, Zahra, Southhampton, Great Britain, for a “method and apparatus for virtualization of a file system, data storage system for virtualization of a file system, and file server for use in a data storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The method and an apparatus provides a virtualized file system enabling indirect access to a second file system in a data storage system comprising a plurality of client computers 100 and a second file system managing unit 410 for managing the second file system and enabling client access to the second file system, the method comprising interconnecting a first file system managing unit 310 between the plurality of client computers 100 and the second file system managing unit 410, creating a directory /root in a first file system managed by the first file system managing unit 310, a directory /root of the second file system with the directory /root of the first file system, enabling on-demand virtualization of the second file system by the first file system managing unit 310 based on client requests received from the client computers 100 at the first file system managing unit 310.“

The patent application was filed on November 5, 2015 (14/933,474).

Migration of virtualized file system, data storage system for migration
of virtualized file system, and file server for use in data storage system
Hitachi Data Systems Engineering UK Limited, Berkshire, Great Britain, has been assigned a patent (9,460,097) developed by Powell, Richard, Maidenhead, Great Britain, Gibbs, James, Wokingham, Great Britain, Picken, Daniel, Berkshire, Great Britain, Warner, Timothy, Farnborough, Great Britain, Tabaaloute, Zahra, Southampton, Great Britain, Aston, Chris, Hughenden Valley, Great Britain, Smith, Jon, Bracknell, Great Britain, Brown, Ray, Smith, Joseph, Berkshire, Great Britain, and Benson, Michael, Reading, Great Britain, for a “method and apparatus for migration of a virtualized file system, data storage system for migration of a virtualized file system, and file server for use in a data storage system.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present invention relates to a method and an apparatus for data migration of a first file system in a data storage system comprising a plurality of client computers 100, a first file system managing unit 310 for managing the first file system and being connected to the plurality of client computers 100, and a second file system managing unit 410 for managing a second file system and being connected to the first file system managing unit 310, the second file system comprising a plurality of data files and the first file system comprising a plurality of external link objects, each external link object of the first file system being associated with a respective data file of the second file system for enabling client access to the respective data file of the second file system.“

The patent application was filed on July 31, 2014 (14/447,807).