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:
Jun. 18, 2013
Filed:
Apr. 19, 2010
Christopher B. E. Beeken, Eastleigh, GB;
Carlos F. Fuente, Portsmouth, GB;
Colin R. Jewell, Chandler's Ford, GB;
William J. Scales, Portchester, GB;
Christopher B. E. Beeken, Eastleigh, GB;
Carlos F. Fuente, Portsmouth, GB;
Colin R. Jewell, Chandler's Ford, GB;
William J. Scales, Portchester, GB;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A backup control apparatus for periodic data backup, in a virtualized storage system having a point-in-time copy function operable to copy first data into a cascade, comprises a storage targeting component for selecting a target virtual disk for one of a full copy or an incremental copy of the first data; a periodic backup component for triggering a periodic point-in-time copy of the first data to a virtual disk in the cascade; a testing component for testing a status of the full copy, the incremental copy and the periodic point-in-time copy; and a cascade splitting component responsive to the status for splitting the cascade to remove a dependency relationship of at least one of the full copy, the incremental copy and the periodic point-in-time copy on the first data.
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