Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2006-08-02
2008-12-09
Lane, Jack A (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S170000, C709S203000, C709S208000, C709S218000, C709S219000
Reexamination Certificate
active
07464239
ABSTRACT:
Disclosed is a method and a system for remote mirror data backup over a network. The system comprises a local domain site and at least one remote domain site, wherein each site has one domain mirror agent and one storage server system thereon. Each storage server system includes one or more storage servers, and one of the domain mirror agents is predefined as the master mirror agent. With such a remote mirror system, the method performs the operations of virtual mirror device allocation, mirror operation, data consistency check, third mirror allocation, and recovery of local storage device. The present invention expands the conventional logical volume management (LVM) to a network environment, effectively improving the backup/recovery capability of remote mirroring.
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Hwang Wen-Shyang
Lee Meng-Yu
Lin Sheng-Hsiung
Wey Shou-Jen
Industrial Technology Research Institute
Lane Jack A
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