Quite often you as apps dba startup and shutdown Apps 11i Services. Sometime you apply patches as well & after patching once you start services & handover apps instance to users . Its quite annoying when users complain that this services is not running or a particular component is down. Sometime reports are not displaying properly or discoverer services are down.
I have groups together all checks & named it as health check at
So from now onwards before releasing your test or production Instance you know what all component you have to check & how . Like how to check if observed, Report Server, Concurrent Manager , workflow, discoverer is Up & working fine . This also explain how to check if discoverer viewer or discoverer plus ( what is URl to access same ) .
Checks which are included in this health check are - How to check if apps Web Server is Up - How to check if mod_jserv & self service applications are working fine . - How & where to check concurrent manager is Up & requests are displayed properly - Check form server is Up by logging into core application Lot more about Reports, Discoverer, workflow so check all this http://www.teachmeoracle.com/healthcheck.html