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:
Dec. 18, 2018
Filed:
Oct. 06, 2016
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Kazunori Kobashi, Yamato, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A controlling device: receives state information indicating the state of a first storage region and the state of a second storage region for mirroring the first storage region; detects an error of an input and output process executed on the first storage region; executes, in response to the error, a first process if the first storage region is in a read-write mode, the first process including determining the states of the first and second storage regions, and selecting, based on the determined states, either one of executing the input and output process on the second storage region or stopping the input and output process executed on the first and second storage regions; and executes, in response to the error, a second process if the first storage region is in a read-only mode, the second process including executing the input and output process on the second storage region.