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. 01, 2017
Filed:
Jan. 24, 2013
Hitachi, Ltd., Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
A storage apparatus includes a channel control unit, a storage device, and a processor. The channel control unit includes a plurality of operation units. The processor specifies, when receiving a request for read of a plurality of pieces of element data from a host computer, the plurality of pieces of element data to the plurality of operation units, respectively. The plurality of operation units respectively reads the plurality of pieces of element data from the storage device, calculates a plurality of partial codes that is a plurality of guarantee codes on the basis of the plurality of pieces of element data, and transmits the plurality of partial codes to the processor. The processor calculates, on the basis of the plurality of partial codes, a sequence code that is a guarantee code of sequence data including the plurality of pieces of element data which is concatenated.