Creating a cluster environment with multiple n-Command MSP servers allows resource sharing across multiple servers and provides an immediately available backup solution. In a clustering scenario with multiple n-Command MSP servers, only one server is configured as the master server, while the others are configured as nodes. The master server allows the nodes to connect to it and provide the same management of network elements as if there were only one n-Command MSP server administering the network. The network elements do not detect nodes, only the master n-Command MSP server. As network elements check in at their various intervals, the master server can redirect them to the other nodes in the cluster environment. All the information about each element is stored in a centralized database that can reside either locally on the master server or remotely on another server.
To configure clustering among multiple MSP servers, complete the following steps:
Designate one of your n-Command MSP servers as the master server. To configure that server, you must log into the Administration Dashboard of that server.
Navigate to the Settings > Cluster Configuration.
Enter the Cluster Name, Bind Address, Node Name, and Proxy List. If the database will reside on the local server, do not select the Remote Database check box. If the database will reside on a remote server, select the Remote Database check box to configure the remote location. (Refer to Remote Database for more information.)
Select Save to save the settings.
Join all nodes to the configured cluster. (Refer to Join a Cluster for more information.)
This process is detailed in Configuring an n-Command MSP Server Cluster guide available online at http://supportforums.adtran.com.