3 cluster nodes member-01：172.20.14.162 member-02：172.20.14.163 member-03：172.20.14.164 odl-version:Oxygen-sr4(0.8.4) 1,config cluster 2,cluster nodes start 3,install feature:odl-mdsal-all 4,add reject route on node01 as: route add -host 172.20.14.163 reject route add -host 172.20.14.164 reject 5,few minutes later delete reject route as : route del -host 172.20.14.163 reject route del -host 172.20.14.164 reject 6, log always print "is still unreachable or has not been restarted. Keeping it quarantined." 7, node did not restart cluster config use default settings,such as node01: such as node01: odl-cluster-data { akka { remote { artery { enabled = off canonical.hostname = "172.20.14.162" canonical.port = 2550 } netty.tcp { hostname = "172.20.14.162" port = 2550 } when under load we might trip a false positive on the failure detector transport-failure-detector { # heartbeat-interval = 4 s # acceptable-heartbeat-pause = 16s # } } cluster { # Remove ".tcp" when using artery. seed-nodes = ["akka.tcp://opendaylight-cluster-data@172.20.14.162:2550", "akka.tcp://opendaylight-cluster-data@172.20.14.163:2550", "akka.tcp://opendaylight-cluster-data@172.20.14.164:2550"] roles = ["member-1"] } persistence { By default the snapshots/journal directories live in KARAF_HOME. You can choose to put it somewhere else by modifying the following two properties. The directory location specified may be a relative or absolute path. The relative path is always relative to KARAF_HOME. snapshot-store.local.dir = "target/snapshots" journal.leveldb.dir = "target/journal" journal { leveldb { # Set native = off to use a Java-only implementation of leveldb. # Note that the Java-only version is not currently considered by Akka to be production quality. # native = off } } } } }