Intro So far, I have used Oracle AutoUpgrade, many times in 3 different OSβ. Yet the more you think youβve seen it all and reached the highest confidence level, another Upgrade will come byte you in the butt. The truth is every maintenance in any software or platform is unique, Oracle databases are no exception. …
Read more “What Autoupgrade won’t Catch for you when moving to 19c Part1: Ghost OLAP”
Intro Since the very beginning, everyone got introduced toΒ Cloud services through the console as itβs very quick. But the cloud CLI tooling provides a stronger, yet user-friendly way to automate tasks, often covering features not even available in the console. Moreover, DBAs often assume that the CLI is primarily designed for managing compute-based services, …
Read more “Farewell to ClickOps: OCI CLI seamless Data Guard Replication for ExaC@C”
Intro Every time I think Iβm done with my ZDM troubleshooting series, a new topic pops up :). I have also learned that every migration is distinct and brings its own unique challenges, so I have decided to keep the series open-ended. In this post, we will discuss the steps you should take when a …
Intro Although most of the focus, nowadays, has shifted to migration of on-premises workloads into the Cloud, companies still leverage Oracle databases engineered systems like Oracle database appliance to run their databases on-prem. As a matter of fact ,ODA is a low entry pricing and flexible CPU licensing platform that can still host workloads that …
Read more “What’s ODABR snapshot & how to efficiently use it to patch ODA from 18 to 19.x”
Intro This is the last of my troubleshooting series related to ZDM where I have accidentally become an unofficial QA tester for ZDM :). After describing scenarios in previous posts where ZDM service was crashing or DG configuration was failing. I will, in this article, explain why my broker switchover step failed the online physical …
Read more “ZDM troubleshooting part 3: Migration failing at ZDM_SWITCHOVER_SRC/ hack”