Oracle released a GA version of MySQL 5.6 in February 2013, Codership released the first GA in their patched 5.6 series in November 2013. Galera Cluster for MySQL 5.6 has been around for almost 2 years now, so what are you waiting for? :-)
Okay, this is a major upgrade so there are risks! Therefore, an upgrade must be carefully plan and tested. In this blog post, we’ll look into how to perform an online upgrade of your Galera Cluster (the Codership build of Galera) to MySQL 5.6.
Offline Upgrade
An offline upgrade requires downtime, but it is more straightforward. If you can afford a maintenance window, this is probably a safer way to reduce the risk of upgrade failures. The major steps consists of stopping the cluster, upgrading all nodes, bootstrap and starting the nodes. We covered the procedure in details in …
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