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:
Apr. 24, 2018
Filed:
Jan. 27, 2016
Futurewei Technologies, Inc., Plano, TX (US);
Xiaogang Zhu, San Jose, CA (US);
Futurewei Technologies, Inc., Plano, TX (US);
Abstract
A data storage apparatus comprising a plurality of data storage devices configured to store data blocks, and one or more protection devices configured to store protection blocks, wherein the data devices and the protection devices are associated by a plurality of stripes, wherein each stripe comprises a memory block on each data device or protection device, and wherein each protection block in a protection device comprises a value for reconstructing storage blocks in the same stripe, and a controller configured to select a data device, store data blocks sequentially to the memory blocks in the selected data devices, store protection blocks in the protection devices for each updated stripe, read data blocks from a selected data device, and reconstruct damaged storage devices. It operates a cold storage system with less power consumption, low component wear, and flexible in capacity expansion.