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Upcoming RHEL 9

This Blog is about a setup of RHEL 9 BETA and changes to RHEL 8 and Fedora 34 which is the base of RHEL 9. Let’s start with the setup. Start the installation. Preview warning:(…)

Oracle DBs and ransomware attacks

By Clemens Bleile I had a discussion with a customer recently about the risk of running into an issue with ransomware encrypting data of Oracle databases. Just to quickly recap on what ransomware is: Wikipedia: Ransomware is a type(…)

PostgreSQL client only installations from source code

During our PostgreSQL DBA Essentials workshops we install PostgreSQL from source code. We do that, to provide the participants all the options they have. There is nothing wrong with using a packaged distribution of PostgreSQL, don't get(…)

ODA : Appliance creation failing in version 19.14 due to missing known_hosts file

I have recently deployed a new ODA with last version 19.14 at customer side, and we could face an interesting failure deploying the appliance, which I would like to share with you.

How to solve Stored Procedure parameter sniffing problems

Since Tuesday, I have the chance to follow the SQLBits 2022 conference. Sadly, I have to do it remotely this year but I promise next time I will come in-person 😉 SQLBits is one of the largest(…)

SQLBits 2022 – Levelling up my Performance Tuning skills

As a consultant at dbi services, I am lucky enough to have time dedicated to training and conferences. This week I have the chance to attend one of the most important conferences for Data professionals: SQLBits 2022.

Documentum – r_server_version reset to P00 instead of correct patch version

A few weeks ago, an issue was identified at a customer which would cause the value of “dm_server_config.r_server_version” to be reset to the GA version number (16.4 P00) instead of the currently deployed patch (which is 16.4 P26) and that(…)

Oracle 21c Broker : Fast-Start Failover Callout Scripts in Action

By Mouhamadou Diaw With Oracle 21c (In fact Oracle 20c), we have a nice new feature with the broker which is the Fast-start Failover Callout Configuration scripts. I talked about this feature in some presentations I did about the(…)

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 1

This blog describes the setup of a Consul Cluster on RHEL 8 and clones, it will be the base for a Patroni HA setup using RPM Packages from postgresql.org. Many Patroni setups are using ETCD, but ETCD is not(…)

Patch 19.14 is out for ODA: new features and how to apply

Introduction Patch 19.14 is now available on Oracle Database Appliance. It’s time to test it. What’s new? This version brings January’s PSU to database and grid homes with their bug fixes, as usual. It also brings latest 21.5 but only(…)