Patent ID: 8271761

Claim:
A storage system comprising: a first storage apparatus including a first controller and a plurality of first storage devices; and a second storage apparatus including a second controller, and a plurality of second storage devices, wherein the first controller manages a first virtual storage apparatus having a first logical storage area on at least one of the first storage devices, to which the first controller permits access from a first server by referring to first management information, the first management information indicating access right to the first logical storage area, wherein a second virtual storage apparatus having a second logical storage area, to which the first controller permits access from a second server by referring to second management information, is provided on at least one of the first storage devices, the first management information indicating access right to the second logical storage area, and wherein when the first virtual storage apparatus is copied from the first storage apparatus to the second storage apparatus, the first controller copies the first logical storage area and the first management information to the second storage apparatus, and the second controller creates the copied first virtual storage apparatus in the second storage apparatus on at least one of the plurality of second storage devices, based on the copied first logical storage area and the first management information, wherein the copied first virtual storage apparatus including the copied first logical storage area, to which the second controller permits access from the first server by referring to the copied first management information.