diff --git a/tests/qemu-iotests/061 b/tests/qemu-iotests/061
index 1a50163419..838e0854f1 100755
--- a/tests/qemu-iotests/061
+++ b/tests/qemu-iotests/061
@@ -28,7 +28,8 @@ status=1	# failure is the default!
 
 _cleanup()
 {
-	_cleanup_test_img
+    _cleanup_test_img
+    rm -f $TEST_IMG.data
 }
 trap "_cleanup; exit \$status" 0 1 2 3 15
 
@@ -250,6 +251,48 @@ $QEMU_IMG snapshot -c foo "$TEST_IMG"
 $QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
 _check_test_img
 
+echo
+echo "=== Testing version downgrade with external data file ==="
+echo
+IMGOPTS="compat=1.1,data_file=$TEST_IMG.data" _make_test_img 64M
+$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
+_img_info --format-specific
+_check_test_img
+
+echo
+echo "=== Try changing the external data file ==="
+echo
+IMGOPTS="compat=1.1" _make_test_img 64M
+$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
+
+echo
+IMGOPTS="compat=1.1,data_file=$TEST_IMG.data" _make_test_img 64M
+$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
+_img_info --format-specific
+TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
+
+echo
+$QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG"
+_img_info --format-specific
+TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
+
+echo
+echo "=== Clearing and setting data-file-raw ==="
+echo
+IMGOPTS="compat=1.1,data_file=$TEST_IMG.data,data_file_raw=on" _make_test_img 64M
+$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
+_img_info --format-specific
+_check_test_img
+
+$QEMU_IMG amend -o "data_file_raw=off" "$TEST_IMG"
+_img_info --format-specific
+_check_test_img
+
+$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
+_img_info --format-specific
+_check_test_img
+
+
 # success, all done
 echo "*** done"
 rm -f $seq.full
diff --git a/tests/qemu-iotests/061.out b/tests/qemu-iotests/061.out
index 758284011b..9fe1ec702f 100644
--- a/tests/qemu-iotests/061.out
+++ b/tests/qemu-iotests/061.out
@@ -488,4 +488,93 @@ wrote 65536/65536 bytes at offset 3221225472
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
     (0.00/100%)
    (6.25/100%)
    (12.50/100%)
    (18.75/100%)
    (25.00/100%)
    (31.25/100%)
    (37.50/100%)
    (43.75/100%)
    (50.00/100%)
    (56.25/100%)
    (62.50/100%)
    (68.75/100%)
    (75.00/100%)
    (81.25/100%)
    (87.50/100%)
    (93.75/100%)
    (100.00/100%)
    (100.00/100%)
 No errors were found on the image.
+
+=== Testing version downgrade with external data file ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data
+qemu-img: Cannot downgrade an image with a data file
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    data file: TEST_DIR/t.IMGFMT.data
+    data file raw: false
+    corrupt: false
+No errors were found on the image.
+
+=== Try changing the external data file ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+qemu-img: data-file can only be set for images that use an external data file
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data
+qemu-img: Could not open 'TEST_DIR/t.IMGFMT': Could not open 'foo': No such file or directory
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    data file: foo
+    data file raw: false
+    corrupt: false
+
+qemu-img: Could not open 'TEST_DIR/t.IMGFMT': 'data-file' is required for this image
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    data file raw: false
+    corrupt: false
+
+=== Clearing and setting data-file-raw ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data data_file_raw=on
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    data file: TEST_DIR/t.IMGFMT.data
+    data file raw: true
+    corrupt: false
+No errors were found on the image.
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    data file: TEST_DIR/t.IMGFMT.data
+    data file raw: false
+    corrupt: false
+No errors were found on the image.
+qemu-img: data-file-raw cannot be set on existing images
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+Format specific information:
+    compat: 1.1
+    lazy refcounts: false
+    refcount bits: 16
+    data file: TEST_DIR/t.IMGFMT.data
+    data file raw: false
+    corrupt: false
+No errors were found on the image.
 *** done
