Virtualization controller, access path control method and...

Details Virtualization controller, access path control method and... Virtualization controller, access path control method and...

2006-10-24

2006-10-24

Padmanabhan, Mano (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C707S793000, C711S158000, C370S389000

Reexamination Certificate

active

07127558

ABSTRACT:
According to the present invention, it is possible to enhance a performance in accessing a storage system, without performing data migration process between the storages constituting the storage system. A virtualization controller2connecting a host computer1and a storage3constituting the storage system controls a plurality of access paths (path such as port6-backplane9-port6, port6-backplane9-storage controller7-port6) provided within the virtualization controller. It further performs a control so that an optimum access path is selected for switching, out of the plurality of access paths, based on setting information from a management server4by a system administrator and various monitoring results detected by the virtualization controller itself.

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