Attention: Only one of these modes can be activated at a time. Once a mode is activated, both push-buttons disappear from the page and the mode cannot be deactivated until both VTSs are again available. 9.2 Failure scenarios In this section, we discuss the impact and recovery procedures for failures in each of the Peer-to-Peer VTS components. Our examples are for a four-VTC configuration. For a complete list of failure scenarios, refer to the White Paper, IBM Peer-to-Peer Virtual Tape Server Failover Test Scenarios in an OS/390 Environment, which can be found on Techdocs at: http://www.ibm.com/support/techdocs 9.2.1 Failure of host to VTC link Figure 9-4 shows the failing component: Either one or both host connections to VTC 3 fail in this example. [1] [2] A 3 2 Master VTS X X ESCON/