I know most systems can report outages via email and true VMS can report more detailed failures like HDD failures etc. I think even Dahua can report camera and HDD failures.
I am talking more about confirming everything is recording, time is correct, image quality is good day/night, etc.
We notice most of our clients are not paying attention to these things, and they do not realize anything is wrong until it is too late.
Is there any type of database or reporting method you use to log this?