diff --git a/deploy/charts/firefly/templates/dataexchange/statefulset.yaml b/deploy/charts/firefly/templates/dataexchange/statefulset.yaml
index 89e3e3ae48..b7cd16d676 100644
--- a/deploy/charts/firefly/templates/dataexchange/statefulset.yaml
+++ b/deploy/charts/firefly/templates/dataexchange/statefulset.yaml
@@ -67,8 +67,10 @@ spec:
             {{- toYaml .Values.dataexchange.resources | nindent 12 }}
           volumeMounts:
             - mountPath: /data/peer-certs
-              name: {{ include "firefly.fullname" . }}-dx-peer-certs
+              subPath: peer-certs
+              name: {{ include "firefly.fullname" . }}-dx-peers
             - mountPath: /data/peers
+              subPath: peers
               name: {{ include "firefly.fullname" . }}-dx-peers
             - mountPath: /data/config.json
               name: config
@@ -82,6 +84,11 @@ spec:
             - mountPath: /data/ca.pem
               name: tls
               subPath: ca.crt
+            - mountPath: /data/blobs
+              {{- if and .Values.dataexchange.persistentVolumes.blobs.enabled .Values.dataexchange.persistentVolumes.blobs.subPath }}
+              subPath: {{ .Values.dataexchange.persistentVolumes.blobs.subPath | quote }}
+              {{- end }}
+              name: {{ include "firefly.fullname" . }}-dx-blobs
       {{- with .Values.dataexchange.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
@@ -101,21 +108,41 @@ spec:
         - name: tls
           secret:
             secretName: {{ if and .Values.dataexchange.certificate.enabled (not .Values.dataexchange.tlsSecret.enabled) }}"{{ include "firefly.fullname" . }}-dx-tls"{{ else }}{{ .Values.dataexchange.tlsSecret.name }}{{ end }}
+        {{- if not .Values.dataexchange.persistentVolumes.blobs.enabled }}
+        - name: {{ include "firefly.fullname" . }}-dx-blobs
+          emptyDir: {}
+        {{- end }}
+  {{- if or .Values.dataexchange.persistentVolumes.blobs.enabled .Values.dataexchange.persistentVolumes.peers.enabled }}
   volumeClaimTemplates:
     - metadata:
-        name: {{ include "firefly.fullname" . }}-dx-peer-certs
+        name: {{ include "firefly.fullname" . }}-dx-blobs
+      {{- with .Values.dataexchange.persistentVolumes.blobs }}
+        {{- with .annotations }}
+        annotations:
+          {{- toYaml . | nindent 10 }}
+        {{- end }}
       spec:
         accessModes:
-          - ReadWriteOnce
+          {{- toYaml .accessModes | nindent 10 }}
+        storageClassName: {{ .storageClass }}
         resources:
           requests:
-            storage: 1Gi
+            storage: {{ .size }}
+      {{- end }}
+    {{- end }}
     - metadata:
         name: {{ include "firefly.fullname" . }}-dx-peers
+      {{- with .Values.dataexchange.persistentVolumes.peers }}
+        {{- with .annotations }}
+        annotations:
+          {{- toYaml . | nindent 10 }}
+        {{- end }}
       spec:
         accessModes:
-          - ReadWriteOnce
+        {{- toYaml .accessModes | nindent 10 }}
+        storageClassName: {{ .storageClass }}
         resources:
           requests:
-            storage: 1Gi
+            storage: {{ .size }}
+      {{- end }}
 {{- end }}
diff --git a/deploy/charts/firefly/values.yaml b/deploy/charts/firefly/values.yaml
index d4ef7006e1..599bff638d 100644
--- a/deploy/charts/firefly/values.yaml
+++ b/deploy/charts/firefly/values.yaml
@@ -189,8 +189,7 @@ dataexchange:
   image:
     repository: ghcr.io/hyperledger/firefly-dataexchange-https
     pullPolicy: Always
-    # Overrides the image tag whose default is the chart appVersion.
-    tag: v0.9.2
+    tag: v0.9.3
 
   imagePullSecrets: []
   nameOverride: ""
@@ -243,3 +242,20 @@ dataexchange:
   tolerations: []
 
   affinity: {}
+
+  persistentVolumes:
+    # split into two mounts: /data/peers and /data/peer-certs
+    peers:
+      accessModes:
+        - ReadWriteOnce
+      annotations: {}
+      size: 1Gi
+      storageClass: ""
+    blobs:
+      enabled: true
+      accessModes:
+        - ReadWriteOnce
+      annotations: {}
+      subPath: ""
+      size: 2Gi
+      storageClass: ""