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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After a storage migration activity, a two-node Oracle RAC environment experienced Oracle Cluster Registry (OCR) corruption. Although OCR was restored successfully on a newly provisioned disk, ASM instances repeatedly terminated with internal errors. Further investigation revealed that the issue was not related to Oracle software or OCR restore procedures, but…
● Latest BLOGS
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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…
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OPatchAuto Bootstrapping Failure with Error Code 255 and Resource Temporarily Unavailable
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…
● 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 