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:
Aug. 09, 2016
Filed:
Jan. 14, 2010
Eric A. Anderson, Palo Alto, CA (US);
Xiaozhou LI, Cupertino, CA (US);
Mehul A. Shah, Saratoga, CA (US);
John J. Wylie, San Francisco, CA (US);
Eric A. Anderson, Palo Alto, CA (US);
Xiaozhou Li, Cupertino, CA (US);
Mehul A. Shah, Saratoga, CA (US);
John J. Wylie, San Francisco, CA (US);
Hewlett Packard Enterprise Development LP, Houston, TX (US);
Abstract
A method is provided for scrubbing information stored in a data storage system where the information is stored as a plurality of encoded fragments across multiple storage devices. The method includes maintaining on a first storage device a list of metadata entries corresponding to values that are stored in the data storage system at an At Maximum Redundancy (AMR) state, verifying that encoded fragments associated with each of the metadata entries are stored on a second storage, verifying that a corresponding metadata entry is stored on the first storage device for each encoded fragment that is stored on the second storage device, and scheduling for recovery any missing encoded fragments and/or any missing metadata entry.