Enterprise Manager 12.1.0.4 and Server Adaptive Threshold Metric

One of the big changes in 12.1.0.4 with the 12.1.0.6 database plugin is most server generated alerts are now evaluated by the agent. The “Server Adaptive Threshold” is not one of the metrics which utilises this new behaviour but remains for backward compatibility. What this means is you cannot set thresholds for these metrics via […]

Temporary Suspension of 12c Database as EM 12cR4 Repository

I was in the processing of starting an EM Cloud Control 12.1.0.4 installation and wanted to use a 12c database as a repository. From a previous 12c Cloud Control installation I was pretty sure that 12c was not certified as an EM repository. Double checking the new documentation I was happy to see it in […]

12.1.0.2 – Full Database Caching

One of the new features of 12.1.0.2 is full database caching. Some of the cynics out there might say “hey, this is how it used to work back in the pre 11 days” before this direct path read thingy. Lets see it in action.

We’ve created a table and set some dummy stats so […]

12.1.0.1 to 12.1.0.2 Upgrade

Now that 12.1.0.2 is released and readily available lets see it in action adn upgrade an existing 12c database. I’ll be using the 12c Oracle Developoer Days VM as my lab. Download linuxamd64_12102_database_1of2.zip and linuxamd64_12102_database_1of2.zip Unzip the files into a staging area.

Once unzipped run “runInstaller” and follow the prompts. I’ll be running and […]