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. 18, 2022
Filed:
Dec. 04, 2020
Fujitsu Limited, Kawasaki, JP;
Guangyu Zhou, Kawasaki, JP;
Yukari Tsuchiyama, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A storage control apparatus comprising: a memory; and a processor coupled to the memory and configured to: receive a release request for a first storage area in a virtual storage area, release, among unit storage areas included in a physical storage area, one or more first unit storage areas allocated to the first storage area from the first storage area, execute overwrite processing of writing 0 to each of the first unit storage areas at a timing asynchronous with the release of the first unit storage areas, and when a write request is received to write data to the virtual storage area, execute write processing in which an unallocated unit storage area among the unit storage areas included in the physical storage area is allocated to a write destination area for the write data in the virtual storage area.