diff --git a/cinder/tests/unit/volume/drivers/test_infinidat.py b/cinder/tests/unit/volume/drivers/test_infinidat.py
index 76cd068fbd5..ea6785869c2 100644
--- a/cinder/tests/unit/volume/drivers/test_infinidat.py
+++ b/cinder/tests/unit/volume/drivers/test_infinidat.py
@@ -48,7 +48,7 @@ class InfiniboxDriverTestCaseBase(test.TestCase):
         self.configuration.infinidat_storage_protocol = 'fc'
         self.configuration.san_ip = 'mockbox'
         self.configuration.infinidat_pool_name = 'mockpool'
-        self.configuration.san_thin_provision = 'thin'
+        self.configuration.san_thin_provision = True
         self.configuration.san_login = 'user'
         self.configuration.san_password = 'pass'
         self.configuration.volume_backend_name = 'mock'
@@ -60,6 +60,7 @@ class InfiniboxDriverTestCaseBase(test.TestCase):
         self.configuration.chap_username = None
         self.configuration.chap_password = None
         self.configuration.infinidat_use_compression = None
+        self.configuration.max_over_subscription_ratio = 10.0
 
         self.driver = infinidat.InfiniboxVolumeDriver(
             configuration=self.configuration)
@@ -190,6 +191,13 @@ class InfiniboxDriverTestCase(InfiniboxDriverTestCaseBase):
         self.assertRaises(exception.VolumeDriverException,
                           self.driver.get_volume_stats)
 
+    def test_get_volume_stats_max_over_subscription_ratio(self):
+        result = self.driver.get_volume_stats()
+        # check the defaults defined in setUp
+        self.assertEqual(10.0, result['max_over_subscription_ratio'])
+        self.assertTrue(result['thin_provisioning_support'])
+        self.assertFalse(result['thick_provisioning_support'])
+
     @mock.patch("cinder.volume.volume_types.get_volume_type_qos_specs")
     def test_create_volume(self, *mocks):
         self.driver.create_volume(test_volume)
diff --git a/cinder/volume/drivers/infinidat.py b/cinder/volume/drivers/infinidat.py
index bc211d0f913..054b881c2ab 100644
--- a/cinder/volume/drivers/infinidat.py
+++ b/cinder/volume/drivers/infinidat.py
@@ -441,6 +441,8 @@ class InfiniboxVolumeDriver(san.SanISCSIDriver):
             total_capacity_gb = float(physical_capacity_bytes) / units.Gi
             qos_support = (hasattr(self._system.compat, "has_qos") and
                            self._system.compat.has_qos())
+            max_osr = self.configuration.max_over_subscription_ratio
+            thin = self.configuration.san_thin_provision
             self._volume_stats = dict(volume_backend_name=self._backend_name,
                                       vendor_name=VENDOR_NAME,
                                       driver_version=self.VERSION,
@@ -449,7 +451,10 @@ class InfiniboxVolumeDriver(san.SanISCSIDriver):
                                       total_capacity_gb=total_capacity_gb,
                                       free_capacity_gb=free_capacity_gb,
                                       consistent_group_snapshot_enabled=True,
-                                      QoS_support=qos_support)
+                                      QoS_support=qos_support,
+                                      thin_provisioning_support=thin,
+                                      thick_provisioning_support=not thin,
+                                      max_over_subscription_ratio=max_osr)
         return self._volume_stats
 
     def _create_volume(self, volume):
diff --git a/releasenotes/notes/infinidat-max-osr-2d9fd2d0f9424657.yaml b/releasenotes/notes/infinidat-max-osr-2d9fd2d0f9424657.yaml
new file mode 100644
index 00000000000..b37419ee6b2
--- /dev/null
+++ b/releasenotes/notes/infinidat-max-osr-2d9fd2d0f9424657.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - Added support for oversubscription in thin provisioning in the INFINIDAT
+    InfiniBox driver. To use oversubscription, define
+    ``max_over_subscription_ratio`` in the cinder configuration file.