Pacemaker is an
open-source
Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...
high availability resource manager software used on
computer cluster
A computer cluster is a set of computers that work together so that they can be viewed as a single system. Unlike grid computers, computer clusters have each node set to perform the same task, controlled and scheduled by software.
The comp ...
s since 2004. Until about 2007, it was part of the
Linux-HA project, then was split out to be its own project.
It implements several APIs for controlling resources, but its preferred API for this purpose is the
Open Cluster Framework resource
agent API.
Related software
Pacemaker is generally used with
Corosync Cluster engine or
Linux-HA Heartbeat.
See also
*
High-availability cluster
*
Red Hat cluster suite
References
{{Reflist
External links
ClusterLabs the home of Pacemaker.
Cluster computing
Free software programmed in C