VolumeCopy is designed to extend the replication functionality of IBM TotalStorage storage systems by providing the ability to copy the contents of one volume to another. This feature is completely implemented within the storage system and does not rely on host or application resources.As an optimization tool, VolumeCopy is designed to be used to migrate data for performance or data protection purposes. Logical drives that are configured to an array that experiences performance issues may use VolumeCopy to move one or more logical drives to another array within the same storage system. This can help relieve pressure on the balance of the logical drives on the original array. The target array may also provide more performance headroom than the original array, thus helping balance the workload.