The Compatibility Guide on Quantum.com must be consulted prior to quoting this feature. Library license key that enables Advanced Path Failover for the control path (data path is not supported) on one IBM LTO-6 FC and later drive (SAS is not supported). A driver is required to be loaded on each host that communicates with the library. This is a library-based license that cannot be transferred to another library. Order a minimum quantity of two licenses per library partition for control path failover.