Thoughts on Oracle Database@Azure

This will NOT be a technical walkthrough on Oracle Database@Azure but rather my opinions and thoughts on how it will shape the Oracle workload destinations when migrating out from on-premises. Once I get few technical implementations under my belt, I’ll also write some more details on how I see it works and how we need…

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…

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…

Data Guard migration with ZDM

In the previous post I showed how to setup cloning or migration using offline physical option with Zero Downtime Migration (ZDM). This time let’s take a look what happens with ONLINE PHYSICAL option. Common migration requirement is to migrate with lowest amount of downtime and with all the latest data available and Data Guard is…