Tag Archives: metric collection error

Tablespace Space Used (%) ~ Am I really full?

For as many OEMs I’ve setup, the one metric that has always amazed me has been the  “Tablespace Space Used (%)” metric.  This metic is often misunderstood although it “should” be quite simple to understand.  What is so hard to understand about percentage (%) used? In reviewing the documentation for OEM 11g and OEM 12c, […]

Agent running yet OEM shows unreachable/metric collection error…what gives?

One of the most confusing (and frustrating) things with Oracle Enterprise Manager is figuring out why agents are not uploading from time-to-time.  This issue was worse in previous versions; in OEM12c the uploading issues have been somewhat corrected and do not seem to be that big of an issue.  What I have found to be […]