SECURITY SYSTEM, HOST SYSTEM, AND BACKUP METHOD

SECURITY SYSTEM, HOST SYSTEM, AND BACKUP METHOD

Backup data equivalent to the maximum number of generations to be held can be secured even when backup data is locked. When locking of prohibiting overwrite of one or more storage areas is performed, a backup server prepares a new backup management table and uses the backup management table and an a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUN, Yunde, KAZAMA, Goro, HIRAIWA, Yuri, NISHIYAMA, Shunsuke, MASUDA, Naoyuki
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Backup data equivalent to the maximum number of generations to be held can be secured even when backup data is locked. When locking of prohibiting overwrite of one or more storage areas is performed, a backup server prepares a new backup management table and uses the backup management table and an archive management table, which is the past backup management table, to store the backup data equivalent to the maximum number of generations to be held into a storage system.