Severalnines Blog
The automation and management blog for open source databases

Severalnines blog

Filter by:
Apply (1) filters
5 blog posts in 13 categories

Updated - How to Bootstrap MySQL or MariaDB Galera Cluster

Unlike standard MySQL server and MySQL Cluster, the way to start a MySQL or MariaDB Galera Cluster is a bit different. Galera requires you to start a node in a cluster as a reference point, before the remaining nodes are able to join and form the cluster. This process is known as cluster bootstrap. Bootstrapping is an initial step to introduce a database node as primary component, before others see it as a reference point to sync up data.

Posted in:

Become a MongoDB DBA: Recovering your Data

This is our sixth post in the “Become a MongoDB DBA” blog series - how do you recover MongoDB using a backup.

Webinar Replay & Slides: Repair & Recovery for Your MySQL, MariaDB & MongoDB / TokuMX Clusters

Thanks to everyone who attended this week’s webinar; if you missed the sessions or would like to watch the webinar again and browse through the slides, they are now available online.

Posted in:

New Webinar: Repair and Recovery for your MySQL, MariaDB and MongoDB/TokuMX Clusters

Database clusters are pretty sophisticated distributed systems with complex dependencies between nodes. The failure of a node will generally impact the overall cluster, as the remaining nodes need to reconfigure themselves to continue to operate without the failed node.

Posted in:

Point-in-time Recovery in MySQL Galera Cluster

Data protection is vital for DB admins, especially when it involves data that is accessed and updated 24 hours a day. Clustering and replication are techniques that provide protection against failures, but what if a user or DBA issues a detrimental command against one of the databases? A user might erroneously delete or update the contents of one or more tables, drop database objects that are still needed during an update to an application, or run a large batch update that fails midway. How do we recover lost data?

Posted in: