GV-Failover Server is a video backup server that records up to 128 IP streams from hosts GV-NVR / VMS / GV-Recording Server when any of the following conditions occurs: (1) when the host GV-NVR / VMS / GV-Recording Server starts up without monitoring; (2) when file recycling fails; (3) when there is an error in the hard drive; (4) when the connection between host and IP camera fails; (5) when the host GV-NVR / VMS / GV-Recording Server fails.