DISK ARRAY DEVICE, CONTROL METHOD THEREFOR AND PROGRAM

DISK ARRAY DEVICE, CONTROL METHOD THEREFOR AND PROGRAM

PROBLEM TO BE SOLVED: To propose a disk array device capable of being constituted at low cost while securing high reliability, and to provide a control method and a program therefor. SOLUTION: A storage area of a storage device storing system information is divided into a system area for storing the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: UCHIYAMA YOSHIHIRO, ISHIKAWA ATSUSHI, SHIGEMURA TAKESHI, MORITA HOSHITERU
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To propose a disk array device capable of being constituted at low cost while securing high reliability, and to provide a control method and a program therefor. SOLUTION: A storage area of a storage device storing system information is divided into a system area for storing the system information and a data area for storing data from a host device and is managed, verifying processing is executed to the data area of the storage device at a first period, and verifying processing is executed to the system area at a second period shorter than the first period. COPYRIGHT: (C)2007,JPO&INPIT