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PRCD-1120 / PRCR-1001: Your Data Guard Standby Is Running, But It Won't Survive a Reboot

srvctl status database fails with PRCD-1120 on a physical standby that is up and applying redo. It was started by hand and never registered with Oracle Restart, so the next reboot takes your DR site down while the primary still reports a healthy configuration....

A Admin Jul 22, 2026 · 14 min read 992

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ORA-16698 While Adding a Standby to Data Guard Broker: Cause and Fix (Oracle 19c)

ADD DATABASE fails with ORA-16698: member has a LOG_ARCHIVE_DEST_n parameter with SERVICE attribute set because the broker refuses to take over a data...

A Admin Jul 22, 2026 · 6 min read 572

Install SQL Developer in Oracle Linux

I had Oracle SQL Developer 24.3.1 installed on my lab host grid.bracecoder and tried to launch it as I had done many times before. Instead of the spla...

A Admin Apr 28, 2026 · 7 min read 971

Stop Changing Your Oracle VM Network Config Every Time You Switch WiFi

If you run Oracle Database on a local Linux VM (VirtualBox or VMware) for learning or lab work, you've probably hit this frustration: every time you s...

A Admin Apr 22, 2026 · 7 min read 1,037

Day 1: Oracle Data Guard - Complete Deep Dive

Oracle Data Guard is Oracle's disaster recovery and high availability solution that maintains one or more synchronized copies (standby databases) of a...

A Admin Mar 15, 2026 · 5 min read 1,031

Automating Standalone Database Startup and Shutdown

Automating Database Startup and Shutdown

A Admin Feb 10, 2026 · 2 min read 967

Oracle 19c RAC Installation Part IV - Database Installation

This material describes how to install Oracle database 19c on a RAC Environment. Make sure you are logged on as grid to rac1 and start asmca utility

A Admin Feb 10, 2026 · 14 min read 1,056

Oracle 19c RAC Installation Part III - Grid Installation

Oracle Real Application Clusters (RAC) is a high-availability solution that allows multiple instances of Oracle Database to run on different servers,...

A Admin Feb 10, 2026 · 16 min read 1,764

Oracle 19c RAC Installation Part II - Pre-Requisite step

Oracle Real Application Clusters (RAC) is a high-availability solution that allows multiple instances of Oracle Database to run on different servers,...

A Admin Feb 10, 2026 · 19 min read 1,091

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