Cluster service

Cluster Service is a Microsoft service in Microsoft Cluster Server (MSCS) that controls cluster activity, communication between cluster servers, and failover operations.

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What is Cluster Service?

A Microsoft Windows NT service in Microsoft Cluster Server (MSCS) that controls cluster activity, communication between cluster servers, and failover operations. (Windows Clustering in Windows 2000 also includes a Cluster service.)

The Cluster service controls all aspects of cluster operation and manages the MSCS configuration database. Each node in a cluster runs its own instance of the Cluster service.

The Cluster service handles the following functions:

  • Configuration and management of clustering service objects (nodes, networks, resources, groups, and so on)
  • Coordination between all instances of the service running on the cluster
  • Failover operations
  • Event notification

The Cluster service provides three benefits:

  • High availability:
    If one node of a cluster fails, the other node starts providing services, making mission-critical applications continually available to clients. This process is called failover.

     

  • Scalability:
    Using clustering technology, less powerful computer systems can be enhanced when grouped into clusters.

     

  • Manageability:
    Since both nodes of a cluster are managed as a single system, administrative tasks are made easier.

See also