Transferring data from a first data storage drive of a first data storage library to a first computer system that is connected to a second data storage drive of a second data storage library. A data transfer request for transferring data accessible by the first data storage drive to the first computer system is received. A network connection is initiated between the first and the second data storage drive. An access to the requested data is initiated by the first data storage drive. A transfer of the requested data from the first to the second data storage drive via the network connection is initiated. A transfer of the requested data from the second data storage drive to the first computer system is initiated.