Patent ID: 8452923

Claim:
A storage system, comprising: a first storage apparatus having at least one volume to be provided to a host computer; a second storage apparatus connected to the first storage apparatus and having a second volume having a pair relationship with a first volume in the first storage apparatus; and a management apparatus connected to the first storage apparatus and the second storage apparatus, and configured to manage the first storage apparatus and the second storage apparatus; wherein the management apparatus includes a user interface for setting an attribute of a function related to at least one volume of the first storage apparatus and an attribute of a function related to at least one volume of the second storage apparatus; wherein the management apparatus compares an attribute of a first function related to the first volume and an attribute of a second function related to the second volume; wherein the management apparatus uses the result of the comparison to set the attribute of the second function related to the second volume to be consistent with the attribute of the first function related to the first volume, for the first volume and the second volume having the pair relationship; and wherein, after the set the attribute operation, the management apparatus determines whether the first volume and the second volume have been each set normally, and when at least one of the first volume and the second volume could not be set normally, commands restoration of the first volume or the second volume that has set normally, to a state before the set the attribute operation.