diff --git a/changelogs/304-pawanpraka1 b/changelogs/unreleased/304-pawanpraka1
similarity index 100%
rename from changelogs/304-pawanpraka1
rename to changelogs/unreleased/304-pawanpraka1
diff --git a/changelogs/unreleased/320-pawanpraka1 b/changelogs/unreleased/320-pawanpraka1
new file mode 100644
index 000000000..a679176a2
--- /dev/null
+++ b/changelogs/unreleased/320-pawanpraka1
@@ -0,0 +1 @@
+support old topology key `openebs.io/nodename` for backward compatibility
diff --git a/pkg/driver/agent.go b/pkg/driver/agent.go
index 03046263c..925f9ec53 100644
--- a/pkg/driver/agent.go
+++ b/pkg/driver/agent.go
@@ -233,6 +233,8 @@ func (ns *node) NodeGetInfo(
 	if _, ok := topology[zfs.ZFSTopologyKey]; !ok {
 		topology[zfs.ZFSTopologyKey] = ns.driver.config.Nodename
 	}
+	// add old topology key to support backward compatibility for velero
+	topology[zfs.ZFSTopoNodenameKey] = ns.driver.config.Nodename
 
 	return &csi.NodeGetInfoResponse{
 		NodeId: ns.driver.config.Nodename,
diff --git a/pkg/zfs/volume.go b/pkg/zfs/volume.go
index 98dc1d535..69f9fc4cf 100644
--- a/pkg/zfs/volume.go
+++ b/pkg/zfs/volume.go
@@ -51,6 +51,8 @@ const (
 	ZFSNodeKey string = "kubernetes.io/nodename"
 	// ZFSTopologyKey is supported topology key for the zfs driver
 	ZFSTopologyKey string = "openebs.io/nodeid"
+	// ZFSTopoNodenameKey is supported topology key for the zfs driver
+	ZFSTopoNodenameKey string = "openebs.io/nodename"
 	// ZFSStatusPending shows object has not handled yet
 	ZFSStatusPending string = "Pending"
 	// ZFSStatusFailed shows object operation has failed