Pacemaker is an
open-source high availability
High availability (HA) is a characteristic of a system which aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period.
Modernization has resulted in an increased reliance on these systems. F ...
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.
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
High-availability clusters (also known as HA clusters, fail-over clusters) are groups of computers that support server applications that can be reliably utilized with a minimum amount of down-time. They operate by using high availability softwa ...
*
Red Hat cluster suite
References
{{Reflist
External links
ClusterLabs the home of Pacemaker.
Cluster computing
Free software programmed in C