Question: How to change pacemaker cluster heartbeat timeout in CentOS/RHEL 7? By default, the heartbeat of pacemaker in CentOS/RHEL 7 is set to 1000(ms), you could increase it by the below steps. 1. Appending/Chaning the token to the totem section in the corosync config file /etc/corosync/corosync.conf. # cat /etc/corosync/corosync.conf totem { version: 2 cluster_name: pcmk […]