Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2005-10-11
2008-09-09
Ellis, Kevin (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S112000, C711S114000, C707S793000
Reexamination Certificate
active
07424583
ABSTRACT:
The present invention suggests a storage system capable of realizing highly reliable data back-up.The storage system includes: a first disk array apparatus for providing first volumes for storing data sent from a host system; a second disk array apparatus for providing second volumes for storing back-up data of the first volumes; and a console terminal for operating the first disk array apparatus. The console terminal is equipped with a setting unit for setting a priority for each first volume in accordance with an external command. The first disk array apparatus is equipped with: a storage unit for storing the priorities set by the priority setting unit; and a transfer unit for reading the priorities from the storage unit upon receiving the data and transferring the data stored in the first volumes to the second volumes of the second disk array apparatus in order of descending priority of the first volumes that store the data.
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patent: 7263590 (2007-08-01), Todd et al.
patent: 2001/0054133 (2001-12-01), Murotani et al.
patent: 2003/0200487 (2003-10-01), Taninaka et al.
patent: 2003-6016 (2003-01-01), None
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Ito Ryusuke
Kashiwagi Mitsuru
Tsuboki Masanao
A. Marquez, Esq. Juan Carlos
Ellis Kevin
Farrokh Hashem
Fisher Esq. Stanley P.
Hitachi , Ltd.
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