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…

Issues with OCI ExaCS PDB cloning

This is mostly just to document if you hit similar issues and how to get past them. I had to perform some remote cloning in ExaCS (from one CDB to another CDB) within same VM cluster, but hit few issues which I had to resolve first before getting it to work. [DBT-05514] Failed to connect…

I’m back! Something new.. and more blog posts!

I attended Oracle Cloud World last week, and was positively surprised how much fun I had there! I really appreciate the folks who came and said they like reading my blog, I’ve been telling folks I haven’t had much motivation to create new content lately, but that actually made my motivation to go higher! Due…

WORM compliance with custom OCI Database backups

When you move your databases to cloud, many times the (current) standard backup configuration what Oracle offers is not enough. That’s when you configure OCI Cloud Database backup module which allows more flexibility with your RMAN configuration and also allows to write backups to custom Object Storage bucket. Question came up regarding this, can we…