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:
Oct. 22, 2019
Filed:
Mar. 07, 2017
Nec Corporation, Minato-ku, Tokyo, JP;
Masahiko Yamamoto, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A control device of the present invention includes a management unit configured to manage each mode of a plurality of SSDs (Solid State Drives) included in a storage, an area reservation unit configured to reserve an update data area in a free space of the SSDs, the mode of the SSDs being in readable/writable mode, a saving unit configured to control writing to the storage in such a way that data relating to a request for writing to one of the SSDs in read-only mode is stored in the update data area, and a read control unit configured to control whether the data is read from the SSD in the read-only mode or the update data area based on the mode of the SSD and presence/absence of update for the data.