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:
Dec. 11, 2018
Filed:
Dec. 27, 2016
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Lu Lei, Shanghai, CN;
Ao Sun, Shanghai, CN;
Chen Wang, Shanghai, CN;
Ronnie Cai, Shanghai, CN;
Shashwat Srivastav, Seattle, WA (US);
Jun Luo, Bellevue, WA (US);
Jialei Wu, Shanghai, CN;
Dong Wang, Shanghai, CN;
Sriram Sankaran, Redmond, WA (US);
Yu Teng, Shanghai, CN;
EMC IP HOLDING COMPANY LLP, Hopkinton, MA (US);
Abstract
A computer program product, system, and method for generating and storing a parity chunk using at least a first chunk and a second chunk; detecting at least one unused segment within the first chunk; generating a new chunk as a third chunk; associating one or more used segments from the first chunk to the third chunk; filling an unused segment within the third chunk with new data; calculating a delta parity between the first chunk and the third chunk; and updating the stored parity chunk using the delta parity.