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:
Feb. 26, 2019
Filed:
Feb. 04, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Akihiro Matsumoto, Toride, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Even when a main board is replaced, if no change is made to a connected storage unit, existent mirroring information is obtained to resume mirroring function processing. An information processing apparatus that performs mirroring to store same data in a plurality of storage units includes a first storage unit configured to store mirroring information indicating a state of the mirroring in a memory of a main board, a second storage unit configured to store the mirroring information in a memory of a sub board, a detection unit configured to detect replacement of the main board, and a restoration unit configured to restore the mirroring information stored in the memory of the sub board by the second storage unit in a memory of a replaced main board in accordance with detection of the replacement of the main board by the detection unit.