High speed file I/O control system with user set file structure to effect parallel access pattern over a network

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6691177
APP PUB NO 20020073248A1
SERIAL NO

10056082

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

  • HITACHI, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kumazaki, Hiroyuki Yokohama, JP 11 261
Nishikado, Takashi Ebina, JP 20 1301
Sonoda, Koji Yokohama, JP 97 1836
Utsunomiya, Naoki Kawasaki, JP 24 496

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