diff --git a/cinder/tests/unit/volume/drivers/hpe/test_hpe3par.py b/cinder/tests/unit/volume/drivers/hpe/test_hpe3par.py
index 16bba05f453..269f51777fc 100644
--- a/cinder/tests/unit/volume/drivers/hpe/test_hpe3par.py
+++ b/cinder/tests/unit/volume/drivers/hpe/test_hpe3par.py
@@ -733,7 +733,8 @@ class HPE3PARBaseDriver(test.TestCase):
         'hpe3parclient.client.HPE3ParClient',
         spec=True,
     )
-    def setup_mock_client(self, _m_client, driver, conf=None, m_conf=None):
+    def setup_mock_client(self, _m_client, driver, conf=None, m_conf=None,
+                          is_primera=False):
 
         _m_client = _m_client.return_value
 
@@ -742,6 +743,8 @@ class HPE3PARBaseDriver(test.TestCase):
 
         _m_client.getWsApiVersion.return_value = self.wsapi_version_latest
 
+        _m_client.is_primera_array.return_value = is_primera
+
         # If m_conf, drop those over the top of the base_conf.
         if m_conf is not None:
             _m_client.configure_mock(**m_conf)
@@ -8667,10 +8670,12 @@ class TestHPE3PARISCSIDriver(HPE3PARBaseDriver):
             mock.call.getCPG(HPE3PAR_CPG),
             mock.call.getCPG(HPE3PAR_CPG2)]
         expected_get_ports = [mock.call.getPorts()]
+        expected_primera_check = [mock.call.is_primera_array()]
         mock_client.assert_has_calls(
             self.standard_login +
             expected_get_cpgs +
             self.standard_logout +
+            expected_primera_check +
             self.standard_login +
             expected_get_ports +
             self.standard_logout)
@@ -8678,6 +8683,11 @@ class TestHPE3PARISCSIDriver(HPE3PARBaseDriver):
 
         return mock_client
 
+    def test_iscsi_primera(self):
+        self.assertRaises(NotImplementedError, self.setup_mock_client,
+                          driver=hpedriver.HPE3PARISCSIDriver,
+                          is_primera=True)
+
     def test_initialize_connection(self):
         # setup_mock_client drive with default configuration
         # and return the mock HTTP 3PAR client
diff --git a/cinder/volume/drivers/hpe/hpe_3par_iscsi.py b/cinder/volume/drivers/hpe/hpe_3par_iscsi.py
index 8bf071b3671..acf61de4623 100644
--- a/cinder/volume/drivers/hpe/hpe_3par_iscsi.py
+++ b/cinder/volume/drivers/hpe/hpe_3par_iscsi.py
@@ -127,10 +127,11 @@ class HPE3PARISCSIDriver(hpebasedriver.HPE3PARDriverBase):
         4.0.3 - Set proper backend on subsequent operation, after group
                 failover. bug #1773069
         4.0.4 - Added Peer Persistence feature
+        4.0.5 - Added Primera array check. bug #1849525
 
     """
 
-    VERSION = "4.0.4"
+    VERSION = "4.0.5"
 
     # The name of the CI wiki page.
     CI_WIKI_NAME = "HPE_Storage_CI"
@@ -140,6 +141,13 @@ class HPE3PARISCSIDriver(hpebasedriver.HPE3PARDriverBase):
         self.protocol = 'iSCSI'
 
     def _do_setup(self, common):
+        client_obj = common.client
+        is_primera = client_obj.is_primera_array()
+        if is_primera:
+            LOG.error("For Primera, only FC is supported. "
+                      "iSCSI cannot be used")
+            raise NotImplementedError()
+
         self.iscsi_ips = {}
         common.client_login()
         try: