When you install multiple copies of Management & Control Services (MCS)creating a server clustereach member of the cluster is assigned an initial priority number. The first server in the cluster automatically becomes the primary server and receives a priority of 0 (zero), the next server installed receives a priority of 1, and so on. If you need to re-prioritize the servers in a cluster after installation, you can do so using the procedure below.
The priority of the servers in a cluster is important for several reasons. First, a priority of 0 (zero) indicates the primary server in a cluster (see Overview of MCS Server Clustering for a discussion of the primary server's role in a cluster). Moving another server to a priority of 0 (zero) "promotes" that server to primary server in the cluster.
Second, a priority of 1 (one) indicates the first server to take over if the primary server is removed from the cluster. If for example, you have 3 secondary servers in a cluster, you would want to make sure the best available secondary is assigned a priority of 1 in case it needs to someday take over the role of the primary server.
|To change the priority of a server in an MCS server cluster|
|Overview of MCS Server Clustering|
|Manually Adding a Server to a Cluster|
|Removing a Server from a Cluster|
|Renaming a Server Cluster|
|Promoting a Secondary Server to Primary|
|Overview of Server Management|