Patent ID: 7219208
Filing Date: 2007-05-15
Classification: H04L

Abstract:
1. A storage system that comprises at least two host computers, at least one storage device that provides the host computers with storage regions, a management computer capable of managing the storage devices and the host computers, and a memory having storage configuration information including information relating to allocation of the storage regions to the host computers, the management computer comprising: a reconfiguration instruction section that generates, in response to the management computer receiving a reconfiguration request, a plurality of reconfiguration instructions for instructing the host computers to change their respective storage configuration on the basis of the storage configuration information, and outputs the reconfiguration instructions to the host computers; and a progress management unit operatively coupled to the reconfiguration instruction section and which controls the timing by which the reconfiguration instructions are output to the host computers, wherein each host computer outputs reconfiguration orders to the storage device to change its respective storage configuration based on its reconfiguration instruction received from the reconfiguration instruction section.