Novell Cluster Services is a server clustering system that ensures high availability and manageability of critical network resources including data, applications, and services. It is a multi-node clustering product for Novell Open Enterprise Server 2 Linux. It stores information in Novell eDirectory about the cluster and its resources. It supports failover, failback, and cluster migration of individually managed cluster resources. You can cluster migrate a resource to a different server in order to perform rolling cluster maintenance or to balance the resource load across member nodes.