I have found the ceo stuck in the ceo healthcheck goroutine, the logs show as follow:
I0223 11:08:21.651819 1 quorumguardcleanupcontroller.go:134] 2/3 guard pods ready. Waiting until all new guard pods are ready
panic: send on closed channel
goroutine 373196 [running]:
github.com/openshift/cluster-etcd-operator/pkg/etcdcli.getMemberHealth.func1()
/go/src/github.com/openshift/cluster-etcd-operator/pkg/etcdcli/health.go:58 +0xd2
created by github.com/openshift/cluster-etcd-operator/pkg/etcdcli.getMemberHealth
/go/src/github.com/openshift/cluster-etcd-operator/pkg/etcdcli/health.go:54 +0x2b1
I have found the ceo stuck in the ceo healthcheck goroutine, the logs show as follow: