Dataguard

Register missing archive logs on a standby database

Sometimes we may end up with archive logs missing on a standby database. It can happen due to a variety of reasons. Here we discuss some scenarios where archive logs are missing at a standby database site and how to register it manually. Redo...

Troubleshooting Oracle Dataguard Transport and Apply issue

I share this post to explain how we identified and fixed an issue when our physical standby (Active Dataguard) apply was delayed and replication fell behind the primary database. Though this is a single unique scenario, the post should be a diagnostic approach when troubleshooting Oracle dataguard...

Safely remove primary and standby databases in a Dataguard configuration

In this article, we will see how we can safely remove a clustered primary and standby databases that are in an Active Dataguard configuration. Environment Primary (PRMY) is a RAC database with 2 instances. Standby (STBY) is a RAC database...

Latest posts

How to rename a PDB in 19c

Let's look at how to rename a PDB in 19c. The steps are the same as 12c....
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How to change the ethernet switch password on Exadata

Let's look at how to log in and change the ethernet switch (adm) password on an Exadata...

Install Oracle GoldenGate Plug-in on Oracle Enterprise Manager Cloud Control 13c

In this post, we will install and deploy Oracle GoldenGate Plug-in 13.4.1.0 on Oracle Enterprise Manager Cloud...

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DW0O terminating with fatal err=39078

Environment Oracle Database 11.2.0.4...
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