Dhiraj Kumar’s Oracle Blog: Insights, Best Practices and Real-World Solutions
Check out my latest articles and insights on Medium (@dhirajengr) .
● Featured BLOGS
-
Fourth post in this series. The earlier ones used six tidy passages I wrote myself, which is a fine way to learn the mechanics and a terrible way to find out whether any of it works. This time I loaded a 323 KB file of my own working notes —…
● Latest BLOGS
-
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…
-
ASM Disk Migration Error: Sector Size Mismatch Between RHEL 7 and RHEL 8 ([512] vs [4096])
Environment Details: Source OS: RHEL 7 Target OS: RHEL 8 (also applies to RHEL 9 scenario below) Grid Infrastructure Version: 19.26 (Oracle Restart) ASMLib Version…
-
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…
-
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…
● 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) .
