diff --git a/kubernetes/common/templates/volsync/b2.yaml b/kubernetes/common/templates/volsync/b2.yaml
index 159e471..9f46c2a 100644
--- a/kubernetes/common/templates/volsync/b2.yaml
+++ b/kubernetes/common/templates/volsync/b2.yaml
@@ -11,7 +11,7 @@ spec:
     copyMethod: "${VOLSYNC_COPYMETHOD:-Snapshot}"
     pruneIntervalDays: 7
     repository: "${APP}-volsync-b2-secret"
-    volumeSnapshotClassName: "${VOLSYNC_SNAPSHOTCLASS:-longhorn}"
+    volumeSnapshotClassName: "${VOLSYNC_SNAPSHOTCLASS:-longhorn-backup}"
     cacheCapacity: "${VOLSYNC_CACHE_CAPACITY:-4Gi}"
     cacheStorageClassName: "${VOLSYNC_CACHE_SNAPSHOTCLASS:-mainpool-hostpath}"
     cacheAccessModes: ["${VOLSYNC_CACHE_ACCESSMODES:-ReadWriteOnce}"]
diff --git a/kubernetes/common/templates/volsync/minio.yaml b/kubernetes/common/templates/volsync/minio.yaml
index 51d5440..eb53d5f 100644
--- a/kubernetes/common/templates/volsync/minio.yaml
+++ b/kubernetes/common/templates/volsync/minio.yaml
@@ -12,7 +12,7 @@ spec:
     copyMethod: "${VOLSYNC_COPYMETHOD:-Snapshot}"
     pruneIntervalDays: 7
     repository: "${APP}-volsync-secret"
-    volumeSnapshotClassName: "${VOLSYNC_SNAPSHOTCLASS:-longhorn}"
+    volumeSnapshotClassName: "${VOLSYNC_SNAPSHOTCLASS:-longhorn-backup}"
     cacheCapacity: "${VOLSYNC_CACHE_CAPACITY:-4Gi}"
     cacheStorageClassName: "${VOLSYNC_CACHE_SNAPSHOTCLASS:-mainpool-hostpath}"
     cacheAccessModes: ["${VOLSYNC_CACHE_ACCESSMODES:-ReadWriteOnce}"]
@@ -38,7 +38,7 @@ spec:
   restic:
     repository: "${APP}-volsync-secret"
     copyMethod: Snapshot # must be Snapshot
-    volumeSnapshotClassName: "${VOLSYNC_SNAPSHOTCLASS:-longhorn}"
+    volumeSnapshotClassName: "${VOLSYNC_SNAPSHOTCLASS:-longhorn-backup}"
     cacheStorageClassName: "${VOLSYNC_CACHE_SNAPSHOTCLASS:-mainpool-hostpath}"
     cacheAccessModes: ["${VOLSYNC_CACHE_ACCESSMODES:-ReadWriteOnce}"]
     cacheCapacity: "${VOLSYNC_CACHE_CAPACITY:-8Gi}"
diff --git a/kubernetes/main/core/longhorn/kustomization.yaml b/kubernetes/main/core/longhorn/kustomization.yaml
index 7be259d..6efbdcb 100644
--- a/kubernetes/main/core/longhorn/kustomization.yaml
+++ b/kubernetes/main/core/longhorn/kustomization.yaml
@@ -5,4 +5,5 @@ resources:
 - ./helm-repository.yaml
 - ./helm-release.yaml
 - ./alerts.yaml
-- ./service-monitor.yaml
\ No newline at end of file
+- ./service-monitor.yaml
+- ./snapshot-class-bak.yaml
\ No newline at end of file
diff --git a/kubernetes/main/core/longhorn/snapshot-class-bak.yaml b/kubernetes/main/core/longhorn/snapshot-class-bak.yaml
new file mode 100644
index 0000000..0004e25
--- /dev/null
+++ b/kubernetes/main/core/longhorn/snapshot-class-bak.yaml
@@ -0,0 +1,9 @@
+# yaml-language-server: $schema=https://kubernetes-schemas.pages.dev/snapshot.storage.k8s.io/volumesnapshotclass_v1.json
+kind: VolumeSnapshotClass
+apiVersion: snapshot.storage.k8s.io/v1
+metadata:
+  name: longhorn-backup
+driver: driver.longhorn.io
+deletionPolicy: Delete
+parameters:
+  type: bak
\ No newline at end of file