High Load on Oracle Standby: I/O and RECOVERY_PARALLELISM
Learn how high load on a mounted Oracle standby can be caused by redo apply parallelism, not slow storage. This blog reviews iostat, I/O queuing, and how tuning recovery parallelism…
Configuration
How to extend /opt and /u01, LocalVolumes on ODA 19.27 #JoelKallmanDay
Learn how to extend /opt and /u01 file systems on Oracle Database Appliance using the new odacli extend-localvolume command introduced in ODA 19.27, with examples and tips.
odacli create instance
On Oracle Database Appliance (ODA), DBAs can also provision a database in instance-only mode. This approach creates only the Oracle instance shell—without generating physical database files such as controlfiles, datafiles,…
How to Delete RAC Node in Oracle 19c – Step-by-Step Guide
Aug 17, 2025 － Learn how to delete a RAC Node in Oracle 19c safely. Step-by-step guide with backups, cleanup, and validation for smooth reconfiguration.
Oracle RAC 19c- Add node online- step by step guide
Detailed guide on how to add a node to Oracle RAC 19c with cluvfy checks, root script execution, and post-validation steps.
Fix ERROR: The home is not clean in Oracle RDBMS Installation
Resolve ERROR: The home is not clean in Oracle 19c installation swiftly with a quick fix guide. Use caution. Hope this helps!
AHF or Orachk Diff Reports #JoelKallmanDay
Orachk allows users to compare and contrast various system configurations using diff report. Its functions include checking the configuration of different environments, analyzing a system's configuration over time, and even…
Configuring NTP with Chrony on Oracle Database Server & Russian Brides !
Configuring NTP/Chrony services during Oracle Database 19c Installation on Linux 7
Customizing configuration with Oracle RPM Installation
Create database with ORACLE_SID of your choice using the rpm installation of database software