Adding a TDV Server to an Active Cluster
After you have created a cluster, you can add TDV Servers to it. The TDV Server you add to an existing cluster becomes an exact copy of the Active Cluster server it is joining except for computer identity information. That is, all metadata, configuration, and other TDV information on the TDV Server joining the cluster is overwritten with the TDV Server information from the cluster.
When joining a TDV Server to a cluster, if you have Copy Repository Database For Cluster Join enabled in the server configuration, then the TDV Server will also adopt the administration credentials used by existing TDV Servers within the cluster.
Prior to joining a cluster, you must have installed TDV 4.5 or later and Active Cluster on the TDV Server you are adding. All members of a cluster must run the exact same version of TDV and must have the same heartbeat setting. See
TDV Installation and Upgrade Guide for installation information. See
The Timekeeper Cluster Node Fails or Is Taken Offline for information about setting the heartbeat interval.
Consider the following restrictions:
• A TDV Server can belong to only one Active Cluster at a time.
• If you customized either the ldap.properties file or the data source capabilities file on the TDV Server in the cluster you are joining, you must manually copy these files to all computers joining the cluster. These files are not automatically synchronized by Active Cluster. See TDV Installation and Upgrade Guide for more information.
• If you are using a load balancer (recommended) and you add a TDV Server to a cluster, you must also add the TDV Server computer to the load balancer. Active Cluster is not aware of whether you use a load balancer with a cluster.
• The cluster join process involves adding, updating, and deleting metadata on the joining node. This can be time-consuming, especially if the joining node or the cluster itself has much metadata. See
Preparing to Join an Active Cluster for tips on how to save your metadata and expedite the join process.
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