Title:
A disk store and a method
Document Type and Number:
Japanese Patent JP5951472
Kind Code:
B2
Abstract:
According to one embodiment, a disk storage apparatus includes a storage device, a writing controller, and a controller. The storage device includes a nonvolatile cache area in which a part of consecutive data is temporarily stored. The writing controller is configured to write the consecutive data in a recording area on a disk by an SMR method, the recording area being different from the cache area. The controller is configured to write the part of the data to the cache area, to invalidate data corresponding to logical addresses of the part of the data and recorded in the recording area on the disk, and to set a recording area with the invalidated data recorded therein to be an update recording area in which new data is recordable.
Inventors:
Tatsuya Haga
Hideaki Tanaka
Hideaki Tanaka
Application Number:
JP2012283294A
Publication Date:
July 13, 2016
Filing Date:
December 26, 2012
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
G06F3/06; G11B5/09; G11B20/10
Domestic Patent References:
| JP2008134720A | ||||
| JP2010211910A | ||||
| JP2011222057A |
Foreign References:
| US20050071537 |
Attorney, Agent or Firm:
Suzue International Patent Office