diff -rtubN aws-ebs-csi-driver.orig/templates/controller.yaml aws-ebs-csi-driver/templates/controller.yaml
--- aws-ebs-csi-driver.orig/templates/controller.yaml	2021-03-05 03:10:41.000000000 +0100
+++ aws-ebs-csi-driver/templates/controller.yaml	2021-03-05 10:29:31.878615411 +0100
@@ -68,7 +68,7 @@
             - --k8s-tag-cluster-id={{ .Values.k8sTagClusterId }}
             {{- end }}
             - --logtostderr
-            - --v=5
+            - --v={{ .Values.logLevel }}
           env:
             - name: CSI_ENDPOINT
               value: unix:///var/lib/csi/sockets/pluginproxy/csi.sock
@@ -126,14 +126,14 @@
           image: {{ printf "%s:%s" .Values.sidecars.provisionerImage.repository .Values.sidecars.provisionerImage.tag }}
           args:
             - --csi-address=$(ADDRESS)
-            - --v=5
+            - --v={{ .Values.logLevel }}
             {{- if .Values.enableVolumeScheduling }}
             - --feature-gates=Topology=true
             {{- end}}
             {{- if .Values.extraCreateMetadata }}
             - --extra-create-metadata
             {{- end}}
-            - --leader-election=true
+            - --leader-election={{ ternary "true" "false" ( gt (.Values.replicaCount|int) 1 ) }}
             - --default-fstype=ext4
           env:
             - name: ADDRESS
@@ -156,8 +156,8 @@
           image: {{ printf "%s:%s" .Values.sidecars.attacherImage.repository .Values.sidecars.attacherImage.tag }}
           args:
             - --csi-address=$(ADDRESS)
-            - --v=5
-            - --leader-election=true
+            - --v={{ .Values.logLevel }}
+            - --leader-election={{ ternary "true" "false" ( gt (.Values.replicaCount|int) 1 ) }}
           env:
             - name: ADDRESS
               value: /var/lib/csi/sockets/pluginproxy/csi.sock
@@ -180,7 +180,7 @@
           image: {{ printf "%s:%s" .Values.sidecars.snapshotterImage.repository .Values.sidecars.snapshotterImage.tag }}
           args:
             - --csi-address=$(ADDRESS)
-            - --leader-election=true
+            - --leader-election={{ ternary "true" "false" ( gt (.Values.replicaCount|int) 1 ) }}
           env:
             - name: ADDRESS
               value: /var/lib/csi/sockets/pluginproxy/csi.sock
@@ -205,7 +205,7 @@
           imagePullPolicy: Always
           args:
             - --csi-address=$(ADDRESS)
-            - --v=5
+            - --v={{ .Values.logLevel }}
           env:
             - name: ADDRESS
               value: /var/lib/csi/sockets/pluginproxy/csi.sock
diff -rtubN aws-ebs-csi-driver.orig/templates/node.yaml aws-ebs-csi-driver/templates/node.yaml
--- aws-ebs-csi-driver.orig/templates/node.yaml	2021-03-05 03:10:41.000000000 +0100
+++ aws-ebs-csi-driver/templates/node.yaml	2021-03-05 10:30:07.391950366 +0100
@@ -61,7 +61,7 @@
             - --volume-attach-limit={{ .Values.volumeAttachLimit }}
             {{- end }}
             - --logtostderr
-            - --v=5
+            - --v={{ .Values.logLevel }}
           env:
             - name: CSI_ENDPOINT
               value: unix:/csi/csi.sock
@@ -107,7 +107,7 @@
           args:
             - --csi-address=$(ADDRESS)
             - --kubelet-registration-path=$(DRIVER_REG_SOCK_PATH)
-            - --v=5
+            - --v={{ .Values.logLevel }}
           env:
             - name: ADDRESS
               value: /csi/csi.sock
diff -rtubN aws-ebs-csi-driver.orig/templates/statefulset.yaml aws-ebs-csi-driver/templates/statefulset.yaml
--- aws-ebs-csi-driver.orig/templates/statefulset.yaml	2021-03-05 03:10:41.000000000 +0100
+++ aws-ebs-csi-driver/templates/statefulset.yaml	2021-03-05 10:29:31.881948744 +0100
@@ -49,7 +49,7 @@
             value: {{ .Values.proxy.no_proxy | quote }}
 {{- end }}
           args:
-            - --v=5
+            - --v={{ .Values.logLevel }}
             - --leader-election=false
       {{- if .Values.imagePullSecrets }}
       imagePullSecrets:
diff -rtubN aws-ebs-csi-driver.orig/values.yaml aws-ebs-csi-driver/values.yaml
--- aws-ebs-csi-driver.orig/values.yaml	2021-03-05 03:10:41.000000000 +0100
+++ aws-ebs-csi-driver/values.yaml	2021-03-05 10:29:31.881948744 +0100
@@ -9,6 +9,8 @@
   tag: "v0.9.0"
   pullPolicy: IfNotPresent
 
+logLevel: 5
+
 sidecars:
   provisionerImage:
     repository: k8s.gcr.io/sig-storage/csi-provisioner