Computer system, storage system, and device control method

Details Computer system, storage system, and device control method Computer system, storage system, and device control method

2005-05-27

2009-06-09

Sough, Hyung S (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S115000, C711S162000, C711S170000

Reexamination Certificate

active

07546414

ABSTRACT:
The invention provides a computer system, storage system, and device control method which keep and operate long-term data stored in a disk device using its characteristics for a long time and at low cost, in a storage system or in a storage system using an external storage connection method.A computer system comprises a host computer100, a storage system130, and a management server110, which are connected to one another via a network. The storage system130receives a request to detach a logical device, specifies a logical device to be processed with information included in the request and a physical device corresponding to the relevant logical device, releases a definition of a host path of the logical device, and stops the physical device137.

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