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July 2014

Enterprise Manager Cloud Control 12cR4 Production Upgrade

I’ve already written about the 12cR3 to 12cR4 upgrade here. I did a few run through’s at home to practice it and it all seemed good.

Setting The Scene

Just to set the scene, for our production environment we run Cloud Control in a VMware virtual machine, using Oracle Linux 6.5 as the quest OS. With that setup, we can use a simple installation (DB and OMS on the same VM) and use VMware to provide our failover, rather than having to worry about multiple OMS installations and any DB failover technology etc. If there’s one thing I’ve learned about Cloud Control, it’s Keep It Simple Stupid (KISS)! As far as our managed servers go, most of our databases and all our middle tier stuff runs on VMware and Oracle Linux too. We have a handful of things still hanging around on HP-UX and Solaris, which will hopefully be migrated soon…