Managing a Cluster

The Cluster Settings section lists out the properties of the cluster that were specified during cluster creation. Under this section, you will be able to manage the general and advanced configuration settings of the cluster which control the ingress (inbound) and egress (outbound) traffic.

Advanced cluster features manage some of the unique capabilities that apply to SQL caching, load distribution, health monitoring, and more. Each cluster is unique in its ability to handle traffic and can be defined independently to associate with business logic unique to applications, business units, or even customers.

This article takes a look at all the configurations that can be applied to an individual cluster.

Click on the Cluster Settings button under the Status column of the cluster to manage the various settings and configuration options specific to the cluster including:

  1. Editing ScaleArc Cluster Info
  2. Starting/Stopping a Cluster
  3. Deleting a Cluster

Cluster_Settings_button.png

Editing ScaleArc Cluster Info

The ScaleArc dashboard provides the cluster connection status and load balancing information under the ScaleArc Cluster Info column.

ScaleArc_cluster_info2.png

Note that you had defined this information i.e. cluster name and inbound and outbound IP addresses when you created the cluster.

Follow these steps to edit the attributes under ScaleArc Cluster Info:

  1. On the ScaleArc dashboard, locate the Status column and click on Cluster Settings

    MySQL_Cluster_Settings.png
     
  2. The CLUSTER tab is the first tab on this screen and should be selected by default.

    CLUSTER_tab.png
     
  3. Use the following table to edit the values.

    Field Description Default/User input
    Cluster Name

    A name that uniquely identifies the cluster within the interface. 

    Enter a name.
    Cluster Analytics

    Determines if analytics are running for this specific cluster. 

    Turn ON/OFF.
    Inbound IP

    Includes LAN Interface, IP Address, and Port settings.

     
    Port

    Specifies the TCP port which you'd like to use to connect to the cluster. 

    Enter a port number.
    Outbound IP Includes LAN Interface, IP Address, and Port settings  
    Galera Cluster Turning Galera Cluster on would optimize the replication status checks for Percona Galera/XtraDB servers.
    Default: OFF

 

Starting/Stopping a cluster

Follow these steps to stop a running cluster or start a stopped one as applicable:

  1. Locate the cluster panel on the ScaleArc dashboard. 
  2. Click the red STOP button to stop the cluster and select Yes on the confirmation dialog.
    Stop_cluster.png
    Confirm_stop_cluster.png 
     
  3. Start a stopped cluster by clicking START to reactivate the cluster. 

Start_cluster.png

 

Deleting a Cluster

You can delete a cluster by following these steps:

    1. Locate your cluster panel on the ScaleArc dashboard.
    2. Click STOP in the second column to stop the cluster, if it is running. 
    3. Click Yes on the confirmation dialog.
      Confirm_stop_cluster.png
       
    4. Click the Delete this cluster button and confirm to remove the cluster from the control panel.
      Delete_cluster.png Confirm_cluster_deletion.png
Note: The delete button is greyed out and is only activated for cluster deletion once the cluster has been stopped.

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