Computer system with reservation control

摘要

A computer system includes: a first storage apparatus; a second storage apparatus; a first volume of the first storage apparatus; and a second volume of the second storage apparatus; wherein the first volume and the second volume have a copy pair relationship and a host system recognizes the second volume as the same volume as the first volume; and wherein the first storage apparatus sends reservation information of the first volume to the second storage apparatus; and the second storage apparatus controls access from the host system on the basis of the received reservation information.