記憶装置システム - 株式会社日立製作所

Title:

記憶装置システム

Document Type and Number:

Japanese Patent JP4252139

Kind Code:

B2

Abstract:

For using a plurality of files contained in one logical device (143) with a plurality of processing systems, sharing of a data storage unit among the plurality of processing systems is realized without need for a host processing system to check use states of the files in a server storage unit. Information concerning extent (extent range) of an input/output processing request issued by a host processor (10) is stored in a control memory incorporated in a control unit (12) for allowing the control unit (12) to make decision as to overlap of the extents of the input/output processings to thereby effectuate exclusive control on an extent-by-extent basis.

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Inventors:

Araki Shigenori
Masatoshi Baba
Yuji Sueoka
Isamu Kurokawa
Kuji Takeuchi

Application Number:

JP35725398A

Publication Date:

April 08, 2009

Filing Date:

December 16, 1998

Export Citation:

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