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  1. Home
  2. Veritas NetBackup™ Clustered Master Server Administrator's Guide
  3. Introduction to NetBackup Master Server Clustering
  4. About NetBackup clustering
Veritas NetBackup™ Clustered Master Server Administrator's Guide

About NetBackup clustering

Clusters provide high availability of applications and data to users. In a cluster, two or more servers (called nodes) are linked in a network. These servers run the cluster software that allows each node access to the shared disks. If a node becomes unavailable, cluster resources migrate to an available node (this process is called failover). The shared disks and the virtual server are kept available. During failover, users experience only a short interruption in service.

In this documentation, the various cluster solutions are abbreviated as follows:

  • Windows Server Failover Clustering as WSFC

  • Veritas Volume Manager as Volume Manager

  • Veritas Cluster Server as VCS

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