Newbie Help Request: Process to calculate host availability over the previous 30 days

[AccidentalAdmin79]

Greetings:

I am looking to create an item (utilize an existing item) that will provide uptime percentage for the previous 30 days (from the present). I know there are at least two existing items that can provide Up/Down status (Zabbix Agent Availability / ICMP Ping) and I know there are...

[VitalyV]

Коллеги, приветствую!
Прошу помочь в поиске решения.
Работаю в крупной компании с некоторым количеством сервисов и встала задача наладить мониторинг с точки...

[bigmac]

How is it calculated? in poller.c i see that corresponding Zabbix, SNMP and IPMI are calculated according to their availability. But i see the number of my hosts (modems) which does not have any Zabbix agent running show lighted green ZBX icon in the Availability column. How comes? Is this an error...