In Failover environment, network with target server disconnect after IP replication start, trigger Failover, another VTL server take over service of target VTL server. After about 5 minutes, observe replication task status of IP replication launcher server, which is failed.
Method 1: restart IP replication task manually.
In VTL console navigation tree, right click on tape or tape library corresponding to failed replication task, select replication > synchronize.
Method 2: modify retry parameter.
In VTL console navigation tree, right click on tape or tape library corresponding to failed replication task, select replication > property, modify replication timeout and replication retry times.
During Failover and Failback, there is no any I/O operation for about 3 minutes. At that time, any backup task, importation, exportation, and replication would fail.