Johan
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Using DSA keys instead of RSA - key-based authentitication
If you use DSA keys you can set in /etc/cmon.cnf (on the controller): ssh_identity=/root/.ssh/id_dsa or wherever you have the id_dsa key. Then do: service cmon restart
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InnoDB and NDB Performance Optimization
This article gives some general guidelines on performance tuning. It can be a huge subject, but there are some basics to consider that will take you a very long way. The last paragraph covers MySQL...
Benchmark Galera or MySQL Cluster using Sysbench
After you have installed your cluster you may want to bench it quickly to see that everything is working. Here is an example how to run sysbench from the ClusterControl server, but of course using...
Setting up mail notifications
This article describes how to setup mail notifications, using sendmail, and how to verify it works Ubuntu/Debian (apt) apt-get install sendmail mailutils Redhat/Centos (yum) yum install sendmai...
RRDTOOL - Graphs are missing or RRDTOOL not installed
THIS ARTICLE IS DEPRECATED! RRDTOOL NO LONGER APPLIES TO CLUSTERCONTROL. This article describes how to resolve problems with graphs: Verify that 'rrdtool' is installed by running from a terminal o...
Firewall - ports
This article describes the ports that needs to be opened in the firewall for Galera, MySQL Cluster, Replication, and HAProxy. ClusterControl Server The ClusterControl server should open: ICMP (pin...
Changing 'cmon' and 'root' passwords
To do
Backup: s9s_backup and installing xtrabackup
The s9s_* scripts have been DEPRECATED. There are two ways to make a backup: Use our UI Program against our API
Managed Processes in ClusterControl
A managed process is a process that will be automatically restarted and recovered by ClusterControl. Under "Process Management" (click on Proc mgmt on the right hand sidebar), you will see the pro...
Add Node To Galera Cluster, Replication, MySQL Cluster
Deprecating this article, new information will be available soon.