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:
Jul. 28, 2020
Filed:
Mar. 10, 2016
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Kazuichi Oe, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
The hierarchical storage device includes: a collecting unit collecting access information related to each unit area included in a first storage device; a first specifying unit specifying a movement target area in the first storage device using a first parameter based on the access information collected by the collecting unit; a second specifying unit specifying a movement target area candidate in the first storage device using each parameter based on the access information; a counting unit counting a number of occurrences of data accesses to the movement target area candidate specified per parameter by the second specifying unit, based on the access information; and an updating unit determining as a recommended parameter the parameter whose number of occurrences of data accesses counted by the counting unit is the largest, and updating the first parameter used by the first specifying unit using the recommended parameter, and can efficiently exhibit device performance.