The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 27, 2016
Filed:
Jul. 02, 2013
Hitachi Data Systems Engineering Uk Limited, Berkshire, GB;
Richard Powell, Maidenhead, GB;
James Gibbs, Wokingham, GB;
Daniel Picken, Berkshire, GB;
Timothy Warner, Farnborough, GB;
Zahra Tabaaloute, Southampton, GB;
Chris Aston, Hughenden Valley, GB;
Jon Smith, Bracknell, GB;
Ray Brown, Berkshire, GB;
Joseph Smith, Berkshire, GB;
Michael Benson, Reading, GB;
HITACHI DATA SYSTEMS ENGINEERING UK LIMITED, Berkshire, GB;
Abstract
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, a first file system managing unitfor managing the first file system and being connected to the plurality of client computers, and a second file system managing unitfor managing a second file system and being connected to the first file system managing unit, 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.