Patent ID: 8001351

Claim:
A data migration method for an information processing system comprising a storage system including array groups and a management server, the method comprising: supplying, by the storage system, logical volumes based on the array groups; setting, by the management server, a migration group including a first one or more of the logical volumes; storing, by the management server, a migration condition; recording, by the management server, a coexistence avoidance volume group including a second one or more of the logical volumes different from the first one or more of the logical volumes, wherein the coexistence avoidance volume group corresponds to the migration group, and wherein the second one or more logical volumes are a copy of the first one or more logical volumes; by the management server, executing to: (A) receive a migration indication designating the migration group and the migration condition; (B) specify a coexistence avoidance array group including the second one or more of the logical volumes; (C) specify one or more migration target logical volumes in one or more array groups excluding the coexistence avoidance array group, based on the migration condition; and (D) display the one or more migration target logical volumes as a migration target of the first one or more of the logical volumes.