This chapter introduces the main product features and benefits of the High Availability Extension.Inside you will find several example clusters and learn about the components making up a cluster.
is an integrated suite of open source clustering technologies that enables you to implement highly available physical and virtual Linux clusters.
For quick and efficient configuration and administration, the High Availability Extension includes both a graphical user interface (GUI) and a command line interface (CLI).
However, this does not guarantee complete accuracy.
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The last section provides an overview of the architecture, describing the individual architecture layers and processes within the cluster.