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. 03, 2020
Filed:
Dec. 10, 2015
Hitachi, Ltd., Tokyo, JP;
Midori Kurokawa, Tokyo, JP;
Tsutomu Koga, Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
Provided is a storage apparatus including a plurality of storage devices which store data, a controller which executes data input/output processing to the storage devices, and a processor which transmits/receives information with the controller, wherein the controller manages a plurality of different tag numbers by separating the tag numbers into a plurality of groups, and upon receiving a first command from the processor, assigns a tag number belonging to one group among the plurality of groups to the first command, and transfers the first command to a designated storage device, and, upon subsequently receiving an instruction for a chip reset from the processor, executes a chip reset, and, upon subsequently receiving a second command from the processor, assigns a tag number belonging to a group which is different from the group used before the chip reset to the second command, and transfers the second command to a designated storage device.