COMPUTER AND DATA READ METHOD

COMPUTER AND DATA READ METHOD

There is a storage apparatus which provides a storage area, comprises a cache memory, reads data into the cache memory from the storage area according to a read request and sends the data from the cache memory, and a computer is coupled to the storage apparatus. The computer receives a data processi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IDEI HIDEOMI, GODA KAZUO, NISHIKAWA NORIFUMI, FUJIWARA SHINJI, MOGI KAZUHIKO, KITSUREGAWA MASARU
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:There is a storage apparatus which provides a storage area, comprises a cache memory, reads data into the cache memory from the storage area according to a read request and sends the data from the cache memory, and a computer is coupled to the storage apparatus. The computer receives a data processing request, determines an access usage based on the data processing request (or, the information relating to an access usage of the data processing request), selects a logical device corresponding to the determined access usage from a plurality of logical devices which are allocated to the storage area and issues a read request to the selected logical device.