Tag: rman

How I Finished a Recovery From an Active Duplicate After Facing Errors ORA-19909 and ORA-01110

The other day I was doing a database cloning in 11.2.0.4 from an active duplicate, and got the following error: ORA-19909: datafile 1 belongs to an orphan incarnation and ORA-01110: data file 1. This post explains how I solved these... Read More >

World Backup Day – Protect Your Oracle Databases

How do you know your Oracle Backups can be used to restore a database? Here is how to find out.

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Automating Oracle RMAN backup configuration on Linux with Ansible

Having valid backup of the databases is one of the most important tasks for every DBAs. Having proper RMAN backup scripts on place and covering all aspects to protect your databases can be lifesaving in the event that a crisis hits. However, when you’re…

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When the default value is not the same as the default

Bjoern Rost, Principal Consultant at Pythian, explains what steps to take when the default value is not the same as the default.

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Log Buffer #447: a carnival of the vanities for DBAs

  This Log Buffer Edition covers the weekly blog posts of Oracle, SQL Server and MySQL.

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RMAN full backup vs. level 0 incremental

Perhaps you’ve wondered about this. What is the difference between taking an RMAN full backup and a level 0 incremental backup? If you read the documentation the following explanation will be found here: Incremental Backups The only difference between a…

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Part 3: comparing Oracle Cloud database backups options

Comparing Oracle Database Backup Service (ODBS) and Oracle Secure Backups (OSB) to Amazon Web Services (AWS) This is part 3 of a 3 part series on “Getting Started with Oracle Cloud Backups”. Part 1 covers setting up RMAN to backup…

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Part 2: Oracle Cloud Backups to AWS S3

Getting Started with Oracle Cloud Backups – Amazon Web Services (AWS) This is part 2 of a 3 part series on “Getting Started with Oracle Cloud Backups”. Part 1 covers setting up RMAN to backup directly to the new Oracle…

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Part 1: Oracle cloud database backup service

Getting Started with Oracle Cloud Backups – Oracle Cloud Database Backup Service (ODBS) This is part 1 of 3 in a series on “Getting Started with Oracle Cloud Backups”. Part 1 covers setting up RMAN to backup directly to the new…

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Favorite way: migrating to exadata

There are lots of considerations to be taken into account when migrating databases to the Exadata. It’s like any other migration. DBAs and other stakeholders of the system have to evaluate what to migrate and what not to, physical and…

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