Reliability and failover

Feature	Description
Spare disks	One or multiple disks can be designated as backup. Recording will only occur on them if all primary disks fail. As soon as at least one primary disk becomes available again, recording to backup disks will stop
Self-diagnostics	In the course of operation, the video surveillance system components perform automatic self-diagnostics, informing the users about the issues encountered and giving recommendations regarding their rectification
Increased database reliability	Automatic creation of backup copies of the database and automatic restoration of the database after failures