Severalnines Blog
The automation and management blog for open source databases

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326 blog posts in 13 categories

Migrating from MySQL Enterprise to MariaDB 10.3

This blog provides an overview of the migration process between MySQL Enterprise 8.0 and MariaDB 10.3. In this blog post, we’ll go through some of the most important differences as well as the migration procedures.

Database Automation with Puppet: Deploying MySQL & MariaDB Galera Cluster

This post walks you through deployment of MySQL/MariaDB Galera Cluster using Puppet module. We’ll also look at how ClusterControl can be used to automate the management aspects of the environment once it’s set up.

An Overview of PostgreSQL & MySQL Cross Replication

The blog gives a detailed account of achieving cross replication between MySQL and PostgreSQL databases using two of the renowned tools of the open source community. A step-by-step demo configuration gives the audience an easy to implement guide including a summarized explanation of which tool is rated over the other.

Database Automation with Puppet: Deploying MySQL & MariaDB Replication

This post walks you through deployment of MySQL/MariaDB replication using Puppet module. We’ll also look at how ClusterControl can be used to automate the management aspects of the environment once it’s set up.

How to Automate Migration from Standalone MySQL to Galera Cluster using Ansible

Database migrations are painful, as they involve a lot of steps - from creation of the target infrastructure to migrating schema and data, and oh.. a lot of testing. Some of the steps can be automated though, you can rely on Ansible. This blog post presents a playbook that can be used to assist in the process of migrating to Galera Cluster.

How to Migrate WHMCS Database to MariaDB Galera Cluster

The WHMCS software suite relies on a MySQL database to store its data, so how do you make it highly available? This blog post shows how to migrate the existing WHMCS database from a standalone MySQL server (provided by the WHM/cPanel server itself) to a three-node MariaDB Galera Cluster to improve the database availability.

Top Common Issues with MHA and How to Fix Them

MHA (Master High Availability) is a popular failover solution used in MySQL Master-Slave topologies. It is stable and used in production by large companies such as Facebook. In this blog, we outline the most common but important issues that you might encounter when running MHA. We’ll also see how to resolve them.

Database-Aware Load Balancing: How to Migrate from HAProxy to ProxySQL

HAProxy is a great piece of software, but it may just not be enough for more demanding users and environments. How do you migrate from HAProxy to ProxySQL? This blog post explains the process and shows how ClusterControl can help.

Popular Docker Images for MySQL and MariaDB Server

There are many Docker images for MySQL and MariaDB, but which one should you use? This blog post lists the most popular Docker images that can be found on Docker Hub, the world's largest library and community for container images.

How to Execute and Manage MySQL Backups for Oracle DBA’s

Whether you’re planning to migrate from Oracle database to MySQL or run your new project with MySQL, you need to know how to do copies of your data. In this blog post, we will cover some of the most typical cases of the data backups with reference to Oracle backup methods. We will tell you how to guard yourself against data loss, what tools and commands to use, and how can you recover your data.

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