BACKUP DEVICE AND BACKUP METHOD

PROBLEM TO BE SOLVED: To propose a backup device and a backup method capable of improving the cost performance of a storage device. SOLUTION: A backup volume the total capacity of which is equivalent to the total capacity of at least an on-line volume is prepared, and the storage area of the prepare...

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Bibliographic Details
Main Authors UBUSAWA MITSURU, OTANI TOSHIO
Format Patent
LanguageEnglish
Published 30.08.2007
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To propose a backup device and a backup method capable of improving the cost performance of a storage device. SOLUTION: A backup volume the total capacity of which is equivalent to the total capacity of at least an on-line volume is prepared, and the storage area of the prepared backup volume is partitioned in the same number of partitions as at least the online volume. Backup data of each online volume is stored in each corresponding partition. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20060036372