This post will be checklist for items you’ll need when you have Firewall (or Hub) VCN where you route traffic to and have 3rd party firewall appliance (such as Palo Alto) inspecting traffic. You have to understand different route tables which are associated and which routes you have to set to them. What this post…
OCI ExaCS Database Upgrade Rollback
Recently I was testing OCI database upgrade from 12c to 19c and ran into an issue I wanted to fix. I was doing this via dbaascli (on Exadata) and the upgrade hit Bug 34455245 – db12c upgrade to 19c fails with ORA-600 [kxhfmgetextent.1] (Doc ID 34455245.8). I tried few things as with dbaascli you can…