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:
Dec. 17, 1996
Filed:
Apr. 04, 1994
Applicant:
Inventors:
Giro Hirai, Kawasaki, JP;
Mitsuo Sakurai, Kawasaki, JP;
Kenichi Arika, Kawasaki, JP;
Toshiyuki Kitami, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395440 ; 395468 ; 395471 ; 395472 ; 395835 ;
Abstract
In a cache system for executing a cache operation for an external storage device, there is disposed a block number table for stopping a cache function for an external storage device, for which a storage medium is exchanged, when the storage medium of the external storage device is exchanged, and stores the number of data stored from each external storage device into the cache memory when all the data cached from a certain external storage device are purged out by a purging process or an LRU process, so as to restore the cache function of this external storage device.