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Johan

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  • 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...

  • Installation on an existing Cluster

    If you have not used the Configurator to setup your cluster you can still install ClusterControl on your existing database cluster. Make sure the database cluster is running in full capacity prior ...

  • 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...

  • Upgrade to ClusterControl 1.1.24 (recommended)

    Please follow these upgrade instructions in our Administration Guide:https://severalnines.com/docs/administration.html#upgrading-clustercontrol [DEPRECATED - DON'T READ BELOW] This article describe...

  • CMON 1.4.1 released - upgrade instructions

    Please follow these upgrade instructions in our Administration Guide:https://severalnines.com/docs/administration.html#upgrading-clustercontrol   [DEPRECATED - DON'T READ BELOW] CMON 1.4. has been ...

  • Error reporting

    You can use the s9s_error_reporter tool to generate error reports, and then attach the error report to the Support Ticket.Syntax: s9s_error_reporter -i <CLUSTER_ID> Where <CLUSTER_ID> is the ID of ...

  • 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...

  • Troubleshooting checklist

    If you have problems to run deploy.sh this may be helpful to nail down the issues: Check 's9s_deploy.log' (located in your HOME folder of the user you are install as, e.g. /home/<myusername>/s9s...

  • JPGraph installation

    Some graphs requires JPGraph to be installed. Download JPGraph here: http://jpgraph.net/download/ Put the jpgraph-3.5.0b1.tar.gz file on the ClusterControl server and do Centos/Redhat sudo tar ...

  • Installing on Amazon EC2

    In this article we will describe how to create a couple of EC2 instances and how to deploy ClusterControl on EC2. We will use MySQL Cluster here, but the same steps are applicable to Galera and My...