diff --git a/releasenotes/notes/remove-deprecated-allow_port_security_disabled-option-d0ffaeb2e7817707.yaml b/releasenotes/notes/remove-deprecated-allow_port_security_disabled-option-d0ffaeb2e7817707.yaml
new file mode 100644
index 0000000..9d7102f
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-allow_port_security_disabled-option-d0ffaeb2e7817707.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The deprecated config option 'allow_port_security_disabled' from compute_feature_enabled
+    group has been removed.
diff --git a/releasenotes/notes/remove-deprecated-identity-reseller-option-4411c7e3951f1094.yaml b/releasenotes/notes/remove-deprecated-identity-reseller-option-4411c7e3951f1094.yaml
new file mode 100644
index 0000000..8085694
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-identity-reseller-option-4411c7e3951f1094.yaml
@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    The deprecated config option 'reseller' from identity_feature_enabled group has been removed.
diff --git a/releasenotes/notes/volume-transfers-client-e5ed3f5464c0cdc0.yaml b/releasenotes/notes/volume-transfers-client-e5ed3f5464c0cdc0.yaml
new file mode 100644
index 0000000..e5e479b
--- /dev/null
+++ b/releasenotes/notes/volume-transfers-client-e5ed3f5464c0cdc0.yaml
@@ -0,0 +1,18 @@
+---
+features:
+  - |
+    Define volume transfers service clients as libraries.
+    The following volume transfers service clients are defined as library interface.
+
+    * transfers_client(v2)
+deprecations:
+  - |
+    Deprecate volume v2 transfers resource methods from volumes_client(v2) libraries.
+    Same methods are available in new transfers service client: transfers_client(v2)
+    The following methods of volume v2 volumes_clients have been deprecated:
+
+    * create_volume_transfer (v2.volumes_client)
+    * show_volume_transfer (v2.volumes_client)
+    * list_volume_transfers (v2.volumes_client)
+    * delete_volume_transfer (v2.volumes_client)
+    * accept_volume_transfer (v2.volumes_client)
diff --git a/tempest/api/compute/admin/test_servers.py b/tempest/api/compute/admin/test_servers.py
index 79777d0..4360586 100644
--- a/tempest/api/compute/admin/test_servers.py
+++ b/tempest/api/compute/admin/test_servers.py
@@ -35,14 +35,15 @@
         super(ServersAdminTestJSON, cls).resource_setup()
 
         cls.s1_name = data_utils.rand_name(cls.__name__ + '-server')
-        server = cls.create_test_server(name=cls.s1_name,
-                                        wait_until='ACTIVE')
+        server = cls.create_test_server(name=cls.s1_name)
         cls.s1_id = server['id']
 
         cls.s2_name = data_utils.rand_name(cls.__name__ + '-server')
         server = cls.create_test_server(name=cls.s2_name,
                                         wait_until='ACTIVE')
         cls.s2_id = server['id']
+        waiters.wait_for_server_status(cls.non_admin_client,
+                                       cls.s1_id, 'ACTIVE')
 
     @decorators.idempotent_id('06f960bb-15bb-48dc-873d-f96e89be7870')
     def test_list_servers_filter_by_error_status(self):
diff --git a/tempest/api/compute/servers/test_list_servers_negative.py b/tempest/api/compute/servers/test_list_servers_negative.py
index 3010caf..2e3d2bb 100644
--- a/tempest/api/compute/servers/test_list_servers_negative.py
+++ b/tempest/api/compute/servers/test_list_servers_negative.py
@@ -36,8 +36,7 @@
         # servers are cleaned up automatically in the
         # tearDownClass method of the super-class.
         cls.deleted_fixtures = []
-        for _ in range(2):
-            srv = cls.create_test_server(wait_until='ACTIVE')
+        cls.create_test_server(wait_until='ACTIVE', min_count=2)
 
         srv = cls.create_test_server(wait_until='ACTIVE')
         cls.client.delete_server(srv['id'])
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 77a5c69..258581b 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from tempest.api.identity import base
 from tempest import config
 from tempest.lib.common.utils import data_utils
@@ -57,8 +55,6 @@
         self.assertEqual(project_name, body['name'])
         self.assertEqual(domain['id'], body['domain_id'])
 
-    @testtools.skipUnless(CONF.identity_feature_enabled.reseller,
-                          'Reseller not available.')
     @decorators.idempotent_id('1854f9c0-70bc-4d11-a08a-1c789d339e3d')
     def test_project_create_with_parent(self):
         # Create root project without providing a parent_id
@@ -89,8 +85,6 @@
         self.assertEqual(root_project_id, parent_id)
 
     @decorators.idempotent_id('a7eb9416-6f9b-4dbb-b71b-7f73aaef59d5')
-    @testtools.skipUnless(CONF.identity_feature_enabled.reseller,
-                          'Reseller not available.')
     def test_create_is_domain_project(self):
         project_name = data_utils.rand_name('is_domain_project')
         project = self.projects_client.create_project(
diff --git a/tempest/api/volume/admin/test_volume_quotas.py b/tempest/api/volume/admin/test_volume_quotas.py
index 8bf416a..58ca92f 100644
--- a/tempest/api/volume/admin/test_volume_quotas.py
+++ b/tempest/api/volume/admin/test_volume_quotas.py
@@ -32,6 +32,12 @@
         cls.demo_tenant_id = cls.os.credentials.tenant_id
         cls.alt_client = cls.os_alt.volumes_client
 
+    @classmethod
+    def setup_clients(cls):
+        super(BaseVolumeQuotasAdminTestJSON, cls).setup_clients()
+        cls.transfer_client = cls.os.volume_transfers_v2_client
+        cls.alt_transfer_client = cls.os_alt.volume_transfers_v2_client
+
     @decorators.idempotent_id('59eada70-403c-4cef-a2a3-a8ce2f1b07a0')
     def test_list_quotas(self):
         quotas = (self.admin_quotas_client.show_quota_set(self.demo_tenant_id)
@@ -136,13 +142,13 @@
             self.alt_client.tenant_id, params={'usage': True})['quota_set']
 
         # Creates a volume transfer
-        transfer = self.volumes_client.create_volume_transfer(
+        transfer = self.transfer_client.create_volume_transfer(
             volume_id=volume['id'])['transfer']
         transfer_id = transfer['id']
         auth_key = transfer['auth_key']
 
         # Accepts a volume transfer
-        self.alt_client.accept_volume_transfer(
+        self.alt_transfer_client.accept_volume_transfer(
             transfer_id, auth_key=auth_key)['transfer']
 
         # Verify volume transferred is available
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 0cd5ec7..a19af5d 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -147,6 +147,9 @@
         """Wrapper utility that returns a test backup."""
         if backup_client is None:
             backup_client = self.backups_client
+        if 'name' not in kwargs:
+            name = data_utils.rand_name(self.__class__.__name__ + '-Backup')
+            kwargs['name'] = name
 
         backup = backup_client.create_backup(
             volume_id=volume_id, **kwargs)['backup']
diff --git a/tempest/api/volume/test_volume_transfers.py b/tempest/api/volume/test_volume_transfers.py
index bfb42c6..afcffc2 100644
--- a/tempest/api/volume/test_volume_transfers.py
+++ b/tempest/api/volume/test_volume_transfers.py
@@ -28,15 +28,18 @@
     def setup_clients(cls):
         super(VolumesTransfersTest, cls).setup_clients()
 
-        cls.client = cls.volumes_client
-        cls.alt_client = cls.os_alt.volumes_client
-        cls.adm_client = cls.os_adm.volumes_client
+        cls.client = cls.os.volume_transfers_v2_client
+        cls.alt_client = cls.os_alt.volume_transfers_v2_client
+        cls.alt_volumes_client = cls.os_alt.volumes_v2_client
+        cls.adm_volumes_client = cls.os_adm.volumes_v2_client
 
     @decorators.idempotent_id('4d75b645-a478-48b1-97c8-503f64242f1a')
     def test_create_get_list_accept_volume_transfer(self):
         # Create a volume first
         volume = self.create_volume()
-        self.addCleanup(self.delete_volume, self.adm_client, volume['id'])
+        self.addCleanup(self.delete_volume,
+                        self.adm_volumes_client,
+                        volume['id'])
 
         # Create a volume transfer
         transfer = self.client.create_volume_transfer(
@@ -44,7 +47,7 @@
         transfer_id = transfer['id']
         auth_key = transfer['auth_key']
         waiters.wait_for_volume_resource_status(
-            self.client, volume['id'], 'awaiting-transfer')
+            self.volumes_client, volume['id'], 'awaiting-transfer')
 
         # Get a volume transfer
         body = self.client.show_volume_transfer(transfer_id)['transfer']
@@ -58,21 +61,23 @@
         # Accept a volume transfer by alt_tenant
         body = self.alt_client.accept_volume_transfer(
             transfer_id, auth_key=auth_key)['transfer']
-        waiters.wait_for_volume_resource_status(self.alt_client,
+        waiters.wait_for_volume_resource_status(self.alt_volumes_client,
                                                 volume['id'], 'available')
 
     @decorators.idempotent_id('ab526943-b725-4c07-b875-8e8ef87a2c30')
     def test_create_list_delete_volume_transfer(self):
         # Create a volume first
         volume = self.create_volume()
-        self.addCleanup(self.delete_volume, self.adm_client, volume['id'])
+        self.addCleanup(self.delete_volume,
+                        self.adm_volumes_client,
+                        volume['id'])
 
         # Create a volume transfer
         body = self.client.create_volume_transfer(
             volume_id=volume['id'])['transfer']
         transfer_id = body['id']
         waiters.wait_for_volume_resource_status(
-            self.client, volume['id'], 'awaiting-transfer')
+            self.volumes_client, volume['id'], 'awaiting-transfer')
 
         # List all volume transfers (looking for the one we created)
         body = self.client.list_volume_transfers()['transfers']
@@ -85,4 +90,4 @@
         # Delete a volume transfer
         self.client.delete_volume_transfer(transfer_id)
         waiters.wait_for_volume_resource_status(
-            self.client, volume['id'], 'available')
+            self.volumes_client, volume['id'], 'available')
diff --git a/tempest/clients.py b/tempest/clients.py
index 71c3d41..01abfd8 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -287,6 +287,8 @@
             self.volume_v2.CapabilitiesClient()
         self.volume_scheduler_stats_v2_client = \
             self.volume_v2.SchedulerStatsClient()
+        self.volume_transfers_v2_client = \
+            self.volume_v2.TransfersClient()
 
     def _set_object_storage_clients(self):
         # Mandatory parameters (always defined)
diff --git a/tempest/config.py b/tempest/config.py
index 6e8ca76..5f9a04e 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -217,14 +217,6 @@
                      "entry all which indicates every extension is enabled. "
                      "Empty list indicates all extensions are disabled. "
                      "To get the list of extensions run: 'keystone discover'"),
-    # TODO(rodrigods): Remove the reseller flag when Kilo and Liberty is end
-    # of life.
-    cfg.BoolOpt('reseller',
-                default=True,
-                help='Does the environment support reseller?',
-                deprecated_for_removal=True,
-                deprecated_reason="All supported versions of OpenStack now "
-                                  "support the 'reseller' feature"),
     # TODO(rodrigods): This is a feature flag for bug 1590578 which is fixed
     # in Newton and Ocata. This option can be removed after Mitaka is end of
     # life.
@@ -336,15 +328,6 @@
                                       title="Enabled Compute Service Features")
 
 ComputeFeaturesGroup = [
-    # NOTE(mriedem): This is a feature toggle for bug 1175464 which is fixed in
-    # mitaka and newton. This option can be removed after liberty-eol.
-    cfg.BoolOpt('allow_port_security_disabled',
-                default=True,
-                help='Does the test environment support creating ports in a '
-                     'network where port security is disabled?',
-                deprecated_for_removal=True,
-                deprecated_reason='This config switch was added for Liberty '
-                                  'which is not supported anymore.'),
     cfg.BoolOpt('disk_config',
                 default=True,
                 help="If false, skip disk config tests"),
diff --git a/tempest/lib/services/volume/v2/__init__.py b/tempest/lib/services/volume/v2/__init__.py
index b4eb771..9434896 100644
--- a/tempest/lib/services/volume/v2/__init__.py
+++ b/tempest/lib/services/volume/v2/__init__.py
@@ -30,6 +30,7 @@
 from tempest.lib.services.volume.v2.snapshot_manage_client import \
     SnapshotManageClient
 from tempest.lib.services.volume.v2.snapshots_client import SnapshotsClient
+from tempest.lib.services.volume.v2.transfers_client import TransfersClient
 from tempest.lib.services.volume.v2.types_client import TypesClient
 from tempest.lib.services.volume.v2.volume_manage_client import \
     VolumeManageClient
@@ -39,4 +40,4 @@
            'ExtensionsClient', 'HostsClient', 'QosSpecsClient', 'QuotasClient',
            'ServicesClient', 'SnapshotsClient', 'TypesClient', 'VolumesClient',
            'LimitsClient', 'CapabilitiesClient', 'SchedulerStatsClient',
-           'SnapshotManageClient', 'VolumeManageClient']
+           'SnapshotManageClient', 'VolumeManageClient', 'TransfersClient']
diff --git a/tempest/lib/services/volume/v2/transfers_client.py b/tempest/lib/services/volume/v2/transfers_client.py
new file mode 100644
index 0000000..6f21944
--- /dev/null
+++ b/tempest/lib/services/volume/v2/transfers_client.py
@@ -0,0 +1,80 @@
+# Copyright 2012 OpenStack Foundation
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest.lib.common import rest_client
+
+
+class TransfersClient(rest_client.RestClient):
+    """Client class to send CRUD Volume Transfer V2 API requests"""
+    api_version = "v2"
+
+    def create_volume_transfer(self, **kwargs):
+        """Create a volume transfer.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/block-storage/v2/#create-volume-transfer-v2
+        """
+        post_body = json.dumps({'transfer': kwargs})
+        resp, body = self.post('os-volume-transfer', post_body)
+        body = json.loads(body)
+        self.expected_success(202, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
+    def show_volume_transfer(self, transfer_id):
+        """Returns the details of a volume transfer."""
+        url = "os-volume-transfer/%s" % transfer_id
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
+    def list_volume_transfers(self, **params):
+        """List all the volume transfers created.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/block-storage/v2/#list-volume-transfers-v2
+        """
+        url = 'os-volume-transfer'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_volume_transfer(self, transfer_id):
+        """Delete a volume transfer."""
+        resp, body = self.delete("os-volume-transfer/%s" % transfer_id)
+        self.expected_success(202, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
+    def accept_volume_transfer(self, transfer_id, **kwargs):
+        """Accept a volume transfer.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/block-storage/v2/#accept-volume-transfer-v2
+        """
+        url = 'os-volume-transfer/%s/accept' % transfer_id
+        post_body = json.dumps({'accept': kwargs})
+        resp, body = self.post(url, post_body)
+        body = json.loads(body)
+        self.expected_success(202, resp.status)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/volume/v2/volumes_client.py b/tempest/lib/services/volume/v2/volumes_client.py
index 72823c0..44d4d65 100644
--- a/tempest/lib/services/volume/v2/volumes_client.py
+++ b/tempest/lib/services/volume/v2/volumes_client.py
@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from debtcollector import moves
 from debtcollector import removals
 from oslo_serialization import jsonutils as json
 import six
@@ -20,12 +21,43 @@
 
 from tempest.lib.common import rest_client
 from tempest.lib import exceptions as lib_exc
+from tempest.lib.services.volume.v2 import transfers_client
 
 
 class VolumesClient(rest_client.RestClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
 
+    create_volume_transfer = moves.moved_function(
+        transfers_client.TransfersClient.create_volume_transfer,
+        'VolumesClient.create_volume_transfer', __name__,
+        message='Use create_volume_transfer from new location.',
+        version='Pike', removal_version='Queens')
+
+    show_volume_transfer = moves.moved_function(
+        transfers_client.TransfersClient.show_volume_transfer,
+        'VolumesClient.show_volume_transfer', __name__,
+        message='Use show_volume_transfer from new location.',
+        version='Pike', removal_version='Queens')
+
+    list_volume_transfers = moves.moved_function(
+        transfers_client.TransfersClient.list_volume_transfers,
+        'VolumesClient.list_volume_transfers', __name__,
+        message='Use list_volume_transfer from new location.',
+        version='Pike', removal_version='Queens')
+
+    delete_volume_transfer = moves.moved_function(
+        transfers_client.TransfersClient.delete_volume_transfer,
+        'VolumesClient.delete_volume_transfer', __name__,
+        message='Use delete_volume_transfer from new location.',
+        version='Pike', removal_version='Queens')
+
+    accept_volume_transfer = moves.moved_function(
+        transfers_client.TransfersClient.accept_volume_transfer,
+        'VolumesClient.accept_volume_transfer', __name__,
+        message='Use accept_volume_transfer from new location.',
+        version='Pike', removal_version='Queens')
+
     def _prepare_params(self, params):
         """Prepares params for use in get or _ext_get methods.
 
@@ -183,62 +215,6 @@
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def create_volume_transfer(self, **kwargs):
-        """Create a volume transfer.
-
-        For a full list of available parameters, please refer to the official
-        API reference:
-        http://developer.openstack.org/api-ref/block-storage/v2/#create-volume-transfer
-        """
-        post_body = json.dumps({'transfer': kwargs})
-        resp, body = self.post('os-volume-transfer', post_body)
-        body = json.loads(body)
-        self.expected_success(202, resp.status)
-        return rest_client.ResponseBody(resp, body)
-
-    def show_volume_transfer(self, transfer_id):
-        """Returns the details of a volume transfer."""
-        url = "os-volume-transfer/%s" % transfer_id
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.expected_success(200, resp.status)
-        return rest_client.ResponseBody(resp, body)
-
-    def list_volume_transfers(self, **params):
-        """List all the volume transfers created.
-
-        For a full list of available parameters, please refer to the official
-        API reference:
-        http://developer.openstack.org/api-ref/block-storage/v2/#list-volume-transfers
-        """
-        url = 'os-volume-transfer'
-        if params:
-            url += '?%s' % urllib.urlencode(params)
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.expected_success(200, resp.status)
-        return rest_client.ResponseBody(resp, body)
-
-    def delete_volume_transfer(self, transfer_id):
-        """Delete a volume transfer."""
-        resp, body = self.delete("os-volume-transfer/%s" % transfer_id)
-        self.expected_success(202, resp.status)
-        return rest_client.ResponseBody(resp, body)
-
-    def accept_volume_transfer(self, transfer_id, **kwargs):
-        """Accept a volume transfer.
-
-        For a full list of available parameters, please refer to the official
-        API reference:
-        http://developer.openstack.org/api-ref/block-storage/v2/#accept-volume-transfer
-        """
-        url = 'os-volume-transfer/%s/accept' % transfer_id
-        post_body = json.dumps({'accept': kwargs})
-        resp, body = self.post(url, post_body)
-        body = json.loads(body)
-        self.expected_success(202, resp.status)
-        return rest_client.ResponseBody(resp, body)
-
     def update_volume_readonly(self, volume_id, **kwargs):
         """Update the Specified Volume readonly."""
         post_body = json.dumps({'os-update_readonly_flag': kwargs})
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 72b61c8..55a3db8 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -625,9 +625,6 @@
     @test.attr(type='slow')
     @test.requires_ext(service='network', extension='port-security')
     @decorators.idempotent_id('13ccf253-e5ad-424b-9c4a-97b88a026699')
-    @testtools.skipUnless(
-        CONF.compute_feature_enabled.allow_port_security_disabled,
-        'Port security must be enabled.')
     # TODO(mriedem): We shouldn't actually need to check this since neutron
     # disables the port_security extension by default, but the problem is nova
     # assumes port_security_enabled=True if it's not set on the network