Patent ID: 8683482
Filing Date: 2014-03-25
Classification: G06F,H04L

Abstract:
1. A control method for a computer system comprising one or more host computers, one or more storage systems, and a management computer, the host computer and the storage system being connected to the management computer through a first network, the host computer and the storage system being connected to each other through a second network, the management computer comprising: the host computer comprising: the storage system comprising: each of the controllers comprising: the controllers including at least one first controller to which one of the logical volumes is assigned and at least one second controller to which the one of the logical volume is not assigned, wherein paths connecting the host computer and the logical volumes pass through the controllers, the method comprising: monitoring a load of the first controller to determine whether or not performance information of the first controller exceeds a predetermined threshold by the first processor; and assigning the logical volume assigned to the first controller to the second controller by the first processor by switching one of the paths connecting the host computer to the assigned logical volume when the performance information of the first controller exceeds the predetermined threshold.