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:
Feb. 10, 2004
Filed:
Jan. 28, 2002
Naoki Utsunomiya, Kawasaki, JP;
Takashi Nishikado, Ebina, JP;
Koji Sonoda, Yokohama, JP;
Hiroyuki Kumazaki, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A storage medium for a file input/output control system having a plurality of first computers each having a plurality of disks and connected to a network and at least one second computer connected to the network for accessing the disks connected to the first computers. The storage medium includes a data code section storing a step of retrieving a plurality of first data access requests issued from a plurality of processes of an application and comparing the first data access requests with correspondence relation defining information to confirm that the first data access requests are accesses to the disks, a data code section storing a step of creating a plurality of second data access requests to the disks from the first data access requests confirmed to be accesses to the disks and transmitting the second data access requests to the network, and a data code section storing a step of, in each first computer, rearranging the second data access requests for each disk in the order of block numbers in each disk.