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AssigneeHitachi, Ltd.
InventorsAtsushi Ueoka, Takeshi Ishizaki, Yasunori Kaneda, Masayuki Yamamoto
Estimating the term…
Disclosed is to prevent an intervention and falsification by setting encrypted transfer between a host computer and a storage device that provides a virtual volume and between the storage device that provides the virtual volume and a storage device that provides a real volume corresponding to the virtual volume. A management computer 1 specifies storage devices 3b and 3c that provide a real volume corresponding to a virtual volume by providing a volume corresponding to the virtual volume used by a host computer 3 in which encrypted transfer becomes necessary, sets the encrypted transfer to communication between a storage device 3a that provides the virtual volume and the specified storage devices 3b and 3c that provide the real volume corresponding to the virtual volume, makes a reconnection thereof, and also sets the encrypted transfer to an I/O port used for the communication with the host computer 2 in the storage device 3a that provides the virtual volume.
A computer system comprised of a host computer, one or two or more storage devices which store data used by said host computer on a plurality of volumes, and a management computer which controls said storage device, wherein said management computer has
A management computer to control one or two or more storage devices which store data used by a host computer on a plurality of volumes is comprised of
A volume allocation change method of a management computer to control one or two or more storage devices which store data used by a host computer on a plurality of volumes, wherein
Dependencies are inferred from the claim text.