In this cloud-era it’s almost weird to explore stuff on-premises, but I did…. In this case a slightly Higher Availibility configuration of Oracle Enterprise Manager (OEM) that doesn’t cost anything, is not disruptive to the existing configuration and gives a tiny bit more confidence during patching of OEM : Always On Monitoring (AOM). Maybe a bit underrated functionality – within Oracle .
When Oracle Management Server (OMS) is down for patching, AOM is capable of mailing you when a critical target is down. It’s a limited functionality, but can be quite useful in some cases. Some details has changed since the start in 2016, when DBIservices wrote about it. At the end of the blogpost my findings. (more…)