Lost HeartBeats Ambari

今天我也遇到了这个问题,重启也没有解决，后来按照下面的大神发现原因是有一个几点的免密有问题。
大神Balkrushna Patil的答案

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We need to make sure below point in heart beat lost host.

check firewall status. It should be stop.

service iptables stop

check /etc/ambari-agent/conf/ambari-agent.ini file.

in ambari-agent file hostname entry should be

hostname = ambariservernodehost

ambariservernodehost should be present in /etc/hosts file

openssl version should be upgraded.

Stop ambari-server
Stop ambari-agent service on all nodes
Start ambari-agent service on all nodes
Start ambari-server server