Patent ID: 8381029

Claim:
A processing method in a storage system comprising a storage apparatus that stores data and executes processing on the data on the basis of first configuration information stored in a first configuration information storage section, and a plurality of information processing apparatuses that are connected to the storage apparatus via a first communication link, each information processing apparatus comprising a second configuration information storage section that stores second configuration information being a duplicate of the first configuration information, and each information processing apparatus being capable of modifying the first configuration information, the method comprising: modifying, by a first information processing apparatus of the plurality of information processing apparatuses, the first configuration information in the storage apparatus; notifying, by the first information processing apparatus, a second information processing apparatus of the plurality of information processing apparatuses in the storage system, of modified part information indicating a modified part in the first configuration information modified during the modifying, the second information processing apparatus being different from the first information processing apparatus and being connected to via a second communication link different from the first communication link; in response to being notified with the modified part information, storing, by the second information processing apparatus, the modified part information in a modified part information storage section; and prior to modifying the first configuration information in the storage apparatus, updating, by the second information processing apparatus, the modified part in the second configuration information indicated by the modified part information stored in the modified part information storage section, on the basis of the first configuration information.