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.

Date of Patent:
Jan. 09, 2001

Filed:

Aug. 26, 1997
Applicant:
Inventor:

Nobuhisa Yoda, Kawasaki, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract

An information storage system having a volume managing function and including a magnetooptical disk auto-changer, the system having data location optimizing means for, in accordance with access speed at which an access of data is made from each of disks, performing an optimizing function for optimizing data location in a case where data is stored in the disk, a volume management table for collecting and storing statistical information of data accesses for determining validity of the optimizing function when each of the disks has made an access to data, and data optimization determination means for determining validity of the optimizing function in accordance with the statistical information of data accesses.


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