1. A method comprising: creating a second storage object as a virtual snapshot copy of a first storage object, wherein the creating the second storage object comprises a computer system creating a second storage object description, wherein the second storage object description comprises data identifying the second storage object as a snapshot copy of the first storage object; adding to a first storage object description data identifying the second storage object as the snapshot copy of the first storage object; the computer system transmitting the first storage object description to a first computer system, and; the computer system transmitting the second storage object description to a second computer system; wherein the second storage object description comprises information relating the second storage object to second underlying storage objects or second physical memory regions.