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:
Mar. 10, 2020
Filed:
Sep. 28, 2015
Emc Corporation, Hopkinton, MA (US);
Alan Zhongjie Wu, Beijing, CN;
Colin Yong Zou, Beijing, CN;
Chris Zirui Liu, Beijing, CN;
Fei Wang, Santa Clara, CA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A method, system, and computer program product for accelerating data reconstruction for a disk array, the disk array comprising a plurality of physical disks, the method, system, and computer program product including virtualizing the plurality of physical disks as a plurality of virtual disks, applying a data protection algorithm to the plurality of virtual disks to obtain redundant information on data to be stored, providing a map from the plurality of virtual disks to the plurality of physical disks, storing, based on the map, the data and the redundant information in the plurality of physical disks according to a predetermined allocation policy, and in response to at least one of the plurality of physical disks failing, implementing a data reconstruction for a disk array based on the redundant information and the data in working disks from amongst the plurality of physical disks.