SYSTEM PROVIDED WITH COMPUTER AND STORAGE APPARATUS AND METHOD FOR CONTROL OF SYSTEM

SYSTEM PROVIDED WITH COMPUTER AND STORAGE APPARATUS AND METHOD FOR CONTROL OF SYSTEM

A system including a computer provided with a memory configured to store a program and a first CPU (central processing unit) configured to execute the program and a storage apparatus provided with a drive coupled to the computer to store data and a second CPU configured to control storage of data in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKADA, Aritoki, ARITSUKA, Toshiyuki, HAYASHI, Shinichi
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A system including a computer provided with a memory configured to store a program and a first CPU (central processing unit) configured to execute the program and a storage apparatus provided with a drive coupled to the computer to store data and a second CPU configured to control storage of data in the drive according to an IO request issued by the program. The first CPU transmits an IO proposed plan which is information on the IO request to be issued by the program to the storage apparatus. The second CPU determines to adopt the IO proposed plan based on a resource utilization rate of the storage apparatus when the process of the IO request to be issued is executed and transmits a notification indicating the adopted IO proposed plan to the computer. The first CPU issues an IO request relating to the IO proposed plan based on the notification.