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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Oracle GoldenGate Microservices Failing to Start via XAG
A few days back, I set up Oracle GoldenGate Microservices on: This database is vital for real-time data synchronization, and Oracle GoldenGate is the preferred…
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OPATCHAUTO-72043 -Failed to apply the Patch
Some time ago, I attempted to apply a patch to upgrade my 2-node Oracle RAC Grid Infrastructure from version 19.24 to 19.27. However, I encountered…
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How ToResolved a Duplicate Diskgroup Issue in Oracle RAC 19c (19.27)
Recently, I encountered a situation in a 2-node Windows RAC 19c environment running the latest 19.27 Grid Infrastructure version.I had added a disk back using…
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ASM Disk Migration Error: Sector Size Mismatch Between RHEL 7 and RHEL 8 ([512] vs [4096])
Environment Details: We are migrating a standalone Oracle Restart-based database server from RHEL 7 to RHEL 8. The existing ASM disks were created using ASMLib…
● 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 