When Monitoring Becomes “Wrong”: The Limits of Watching Only Ping and Disk in Zabbix

Monitoring systems like Zabbix are often introduced with a clear promise: visibility, control, and early warning. In theory, if something starts to fail, you should see it before users notice. In practice, however, monitoring can quietly shift from being a tool for understanding systems to something that merely confirms they are still technically “alive.” This is where it starts to go wrong. A common pattern in many environments is to reduce monitoring down to a small set of indicators, often be