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:
Apr. 08, 2014
Filed:
Jan. 09, 2009
Tomohiro Yoshihara, Kawasaki, JP;
Sadahiro Sugimoto, Yokohama, JP;
Norio Shimozono, Machida, JP;
Noboru Morishita, Yokohama, JP;
Masayuki Yamamoto, Sagamihara, JP;
Tomohiro Yoshihara, Kawasaki, JP;
Sadahiro Sugimoto, Yokohama, JP;
Norio Shimozono, Machida, JP;
Noboru Morishita, Yokohama, JP;
Masayuki Yamamoto, Sagamihara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a storage system which includes a plurality of microprocessors, it is desired to prevent delay in I/O responses due to synchronous processing waiting for asynchronous processing, while still ensuring the throughput of asynchronous processing. In a plurality of microprocessors possessed by a controller, synchronous processors and asynchronous processors are mixed together. The synchronous processors are microprocessors whose duty is to perform synchronous processing and not to perform asynchronous processing. And the asynchronous processors are microprocessors whose duty is to perform asynchronous processing and not to perform synchronous processing.