Backup technique for data stored on multiple storage devices

Details Backup technique for data stored on multiple storage devices Backup technique for data stored on multiple storage devices

2006-08-01

2006-08-01

Bataille, Pierre (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S114000, C707S793000, C707S793000

Reexamination Certificate

active

07085900

ABSTRACT:
Provided is a backup device, etc., that updates copy data appropriately. A backup device300, which records as copy data a copy of original data stored in multiple storage devices110A to110D, comprises: a write data storage unit132, for receiving and storing write data to be written to the original data; and an updating unit134, for using the write data to update the copy data when update permission data, which permit the use of the write data to update the copy data, are externally received.

REFERENCES:
patent: 5487160 (1996-01-01), Bemis
patent: 6131148 (2000-10-01), West et al.
patent: 6505216 (2003-01-01), Schutzman et al.
patent: 6671786 (2003-12-01), Wang et al.
patent: 2001/0008008 (2001-07-01), Mori
patent: 2002/0103966 (2002-08-01), Wu et al.

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