Storage device and method, and storage medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 8, 2017
Issued Date -
N/A
app pub date -
Mar 17, 2014
filing date -
Mar 15, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In order to enable an improvement in the access performance of a storage, a storage includes first and second storage devices respectively including first and second storage units to and from each of which data can be written and read, the speed of the first storage device is higher than or equal to that of the second storage device, the first storage device further includes a first storage area for storing management information for access control and management of the second storage unit, the second storage device further includes a second storage area for storing management information for access control and management of the second storage unit, and the storage includes an access control unit which retrieves the management information relating to the second storage unit and used for access to the second storage unit from the first storage area of the first storage device, and retrieves the management information relating to the second storage unit from the second storage area of the second storage device when the management information is not stored in the first storage area, and a capacity control unit which variably sets the allocation between the capacity of the first storage unit and the capacity of the first storage area in the first storage device.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully