diff --git a/charts/pulsar/templates/oxia-coordinator-deployment.yaml b/charts/pulsar/templates/oxia-coordinator-deployment.yaml
index 6e85c71..ae97e47 100644
--- a/charts/pulsar/templates/oxia-coordinator-deployment.yaml
+++ b/charts/pulsar/templates/oxia-coordinator-deployment.yaml
@@ -77,6 +77,10 @@ spec:
             limits:
               cpu: {{ .Values.oxia.coordinator.cpuLimit }}
               memory: {{ .Values.oxia.coordinator.memoryLimit }}
+      {{- if .Values.oxia.coordinator.extraVolumeMounts }}
+          volumeMounts:
+        {{- toYaml .Values.oxia.coordinator.extraVolumeMounts | nindent 12 }}
+      {{- end }}
           livenessProbe:
             {{- include "oxia-cluster.probe" .Values.oxia.coordinator.ports.internal | nindent 12 }}
           readinessProbe:
diff --git a/charts/pulsar/values.yaml b/charts/pulsar/values.yaml
index 0a4f775..96f9951 100755
--- a/charts/pulsar/values.yaml
+++ b/charts/pulsar/values.yaml
@@ -554,6 +554,7 @@ oxia:
       # cloud.google.com/gke-nodepool: default-pool
     extraContainers: []
     extraVolumes: []
+    extraVolumeMounts: []
     # customConfigMapName: ""
     # entrypoint: []
 ## templates/server-statefulset.yaml