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Welcome to the wiki for ClusterLabs,
home of open-source high-availability clustering software

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ClusterLabs is an informal community hub for open-source, high-availability clustering software. Multiple independent software projects are distributed under the ClusterLabs umbrella. This wiki has how-to's, tips, and other supplemental information for these projects beyond their distributed documentation.


  • Libqb provides a foundational framework for logging, IPC, and other common code
  • Pacemaker is a high-availability cluster resource manager
  • See the ClusterLabs main website for information about Corosync, sbd, resource-agents, fence-agents, and other projects
  • great way to start contributing: look at Project Ideas page

General Information