Article · Wikipedia archive · Last revised Jun 10, 2026

Pacemaker (software)

Pacemaker is an open-source high availability resource manager software used on computer clusters since 2004. Until about 2007, it was part of the Linux-HA project, then was split out to be its own project.

Last revised
Jun 10, 2026
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≈ 1 min
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Wikipedia ↗
Pacemaker
Initial release2004
Stable release
3.0.21 Edit this on Wikidata / 1 June 2026 (1 June 2026)
Written inC
Operating systemCross-platform
TypeGroup communication system
LicenseGNU General Public License Version 22
Websitewww.clusterlabs.org/pacemaker/
Repositorygithub.com/ClusterLabs/pacemaker

Pacemaker is an open-source high availability resource manager software used on computer clusters since 2004. Until about 2007, it was part of the Linux-HA project, then was split out to be its own project.3

It implements several APIs for controlling resources, but its preferred API for this purpose is the Open Cluster Framework resource agent API.

Pacemaker is generally used with Corosync Cluster engine or Linux-HA Heartbeat.

See also

See also

References

References

  1. "Release 3.0.2". 1 June 2026. Retrieved 2 June 2026.
  2. "Pacemaker Licence". Github. Retrieved 24 February 2020.
  3. "Project History". ClusterLabs. Archived from the original on 2017-05-03. Retrieved 30 August 2019.
External links