Configure a Failover Cluster with Pacemaker
Linux Academy
FEBRUARY 13, 2019
As more and more business provide their services through the Internet, the need for these services to always be accessible has grown. Run firewall-cmd commands on both nodes, and allow traffic for Pacemaker (TCP ports 2224, 3121, 21064, and UDP port 5405): sudo firewall-cmd --permanent --add-service=high-availability.
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