Check out my latest articles and insights on Medium (@dhirajengr) .

Oracle Database Appliance (ODA) patching is a critical operational activity to ensure system stability, security, performance, and long-term supportability. With ODA 19.29, Oracle follows a two-stage patching procedure. In this article, we will walk through the two major stages of ODA 19.29 patching and provide the required commands. Why ODA…
I was attempting to migrate Oracle ASM UDEV-managed disks to Oracle ASM Filter Driver (AFD). Although I followed all the documented steps for migrating the…
OPatchAuto execution fails during the bootstrap phase with error code 255.The failure prevents successful patching operations. Symptom Getting issue while running the Opatchauto on my…
In a Real Application Cluster (RAC) setup, the SCAN listener running on Node 1 was able to register only the local instances, but failed to…
Recently, we encountered a critical issue in one of our Oracle Restart environments (version 19.26 RU) where the SUNDNELLY database suddenly stopped working and all…
I’m Dhiraj Kumar, an Oracle RAC Database With over 15 years of experience, I’m passionate about building high-performance, scalable database solutions that support critical business operations.
📘 Check out my latest articles and insights on Medium (@dhirajengr) .