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. 04, 2017
Filed:
Oct. 06, 2014
Hitachi, Ltd., Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A computer system comprising: a server on which an application operates; and a storage system that stores data used by the application, the server including an operating system for controlling the server, the operating system including a cache driver for controlling a cache, the cache driver storing access management information for managing the number of accesses to a partial storage area of a volume provided by the storage system, and the cache driver being configured to: manage the number of accesses to the partial storage area of the volume by using the first access management information; replace the storage area to which the number of accesses is to be managed based on a predetermined replacement algorithm; and control arrangement of data in the server cache based on the first access management information.