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:
Jun. 24, 2008
Filed:
Dec. 30, 2004
Applicant:
Mitsuru Ikezawa, Sagamihara, JP;
Inventor:
Mitsuru Ikezawa, Sagamihara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention is intended to provide a backup control technique for protecting the safety of data stored in a storage system while minimizing the processing load in the storage system. A storage systemreceives a command from a host computerto write data control limitation data stipulating backup limitations, the data control limitation data is written to an expanded VTOC part where a storage area protected as the VTOC among the storage areas in the volume has been expanded, and backup is controlled based on the data control limitation data written to the expanded VTOC part.