diff --git a/app/models/cloud_volume.rb b/app/models/cloud_volume.rb
index 5dfb587e540..a1bc30800ce 100644
--- a/app/models/cloud_volume.rb
+++ b/app/models/cloud_volume.rb
@@ -130,4 +130,7 @@ def raw_delete_volume
     raise NotImplementedError, _("raw_delete_volume must be implemented in a subclass")
   end
 
+  def available_vms
+    raise NotImplementedError, _("available_vms must be implemented in a subclass")
+  end
 end
diff --git a/app/models/manageiq/providers/openstack/cloud_manager/cloud_volume.rb b/app/models/manageiq/providers/openstack/cloud_manager/cloud_volume.rb
index c3d5b675de4..0b8c8c1fc42 100644
--- a/app/models/manageiq/providers/openstack/cloud_manager/cloud_volume.rb
+++ b/app/models/manageiq/providers/openstack/cloud_manager/cloud_volume.rb
@@ -120,6 +120,10 @@ def create_volume_snapshot_queue(userid, options)
       .create_snapshot_queue(userid, self, options)
   end
 
+  def available_vms
+    cloud_tenant.vms
+  end
+
   def provider_object(connection)
     connection.volumes.get(ems_ref)
   end
diff --git a/spec/models/manageiq/providers/openstack/cloud_manager/cloud_volume_spec.rb b/spec/models/manageiq/providers/openstack/cloud_manager/cloud_volume_spec.rb
index e03da15c6ee..d0662be3365 100644
--- a/spec/models/manageiq/providers/openstack/cloud_manager/cloud_volume_spec.rb
+++ b/spec/models/manageiq/providers/openstack/cloud_manager/cloud_volume_spec.rb
@@ -135,4 +135,15 @@
       end
     end
   end
+
+  describe "instance linsting for attaching volumes" do
+    let(:first_instance) { FactoryGirl.create(:vm_openstack, :ext_management_system => ems, :ems_ref => "instance_0", :cloud_tenant => tenant) }
+    let(:second_instance) { FactoryGirl.create(:vm_openstack, :ext_management_system => ems, :ems_ref => "instance_1", :cloud_tenant => tenant) }
+    let(:other_tenant) { FactoryGirl.create(:cloud_tenant_openstack, :ext_management_system => ems) }
+    let(:other_instance) { FactoryGirl.create(:vm_openstack, :ext_management_system => ems, :ems_ref => "instance_2", :cloud_tenant => other_tenant) }
+
+    it "supports attachment to only those instances that are in the same tenant" do
+      expect(cloud_volume.available_vms).to contain_exactly(first_instance, second_instance)
+    end
+  end
 end