Dhiraj Kumar’s Oracle Blog: Insights, Best Practices and Real-World Solutions
Check out my latest articles and insights on Medium (@dhirajengr) .
● Featured BLOGS
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Upgrading Oracle Grid Infrastructure (GI) from 19c to 26ai (23c internally) is a critical task for RAC environments. While Oracle provides documentation, real-world execution often requires additional clarity. In this guide, I will walk through a complete step-by-step upgrade of a 2-node RAC cluster, using actual commands and logs from…
● Latest BLOGS
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Introduce GRUB As The Most Commonly used Bootloader In Linux.
GRUB is a bootloader used in most Linux distributions. A bootloader is a small program responsible for loading the operating system into memory and starting…
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Storage AFD:UNMAP Protocol With ASM Disk
In Oracle storage environments using ASM (Automatic Storage Management) with AFD (ASM Filter Driver), the UNMAP protocol plays a key role in space reclamation—especially when…
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Installing ASM Library Version 3.1 (ASMLib V 3.1) for Oracle 19c on Linux 8.3 or later in aarch64
ASM Library (ASMLib) is a support library for the Oracle Automatic Storage Management (ASM) feature. It simplifies storage management and enhances Oracle ASM functionality. Prerequisites…
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Getting ORA-02097 and ORA-15014 On Setting asmcmd dsset ‘AFD:*’ In Oracle RAC
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…
● About Me
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) .
Dhiraj Kumar's Blog 