diff --git a/charts/kubeadm/templates/ClusterConfiguration.yaml b/charts/kubeadm/templates/ClusterConfiguration.yaml
index e605021..bde3b69 100644
--- a/charts/kubeadm/templates/ClusterConfiguration.yaml
+++ b/charts/kubeadm/templates/ClusterConfiguration.yaml
@@ -11,8 +11,8 @@ etcd:
   local:
     extraArgs:
       listen-metrics-urls: "http://{{ .Values.listenAddress }}:2381"
-      unsafe-no-fsync: "true"
       logger: "zap"
+      log-level: "warn"
       {{- with .Values.etcdExtraArgs }}
       {{- toYaml . | nindent 6 }}
       {{- end }}
diff --git a/charts/kubeadm/templates/JoinConfiguration.yaml b/charts/kubeadm/templates/JoinConfiguration.yaml
index 17c48bf..6d3d44a 100644
--- a/charts/kubeadm/templates/JoinConfiguration.yaml
+++ b/charts/kubeadm/templates/JoinConfiguration.yaml
@@ -10,6 +10,7 @@ controlPlane:
 nodeRegistration:
   ignorePreflightErrors:
   - DirAvailable--var-lib-etcd
+  - FileAvailable--etc-kubernetes-pki-ca.crt
   - Swap
   kubeletExtraArgs:
     node-labels: {{ .Values.nodeLabels | quote }}