Patent ID: 8131899
Filing Date: 2012-03-06
Classification: G06F

Abstract:
1. A system control server comprising: a correspondence storage unit that stores a correspondence between expanded device information related to an external storage device of a storage system after the external storage device is expanded in the storage system and an operation mode that is applied to the storage system after the external storage device is expanded; a device information acquiring unit that acquires a before-expansion connection device information related to the external storage device that is connected to a control server of the storage system via a system bus just before a new external storage device is expanded and acquires an after-expansion connection device information related to the external storage device that is connected in the storage system via the system bus after the new external storage device is expanded; an operation mode acquiring unit that compares the before-expansion connection device information and the after-expansion connection device information acquired by the device information acquiring unit, recognizes expanded device information related to the external storage device of the storage system after the external storage device is expanded, and acquires an operation mode corresponding to the recognized expanded device information from the correspondence storage unit; and a setting executing unit that executes setting for the storage system accompanied with the expansion of the external storage device on the basis of the after-expansion connection device information acquired by the device information acquiring unit and the operation mode acquired by the operation mode acquiring unit.