diff --git a/lib/fog/xenserver/compute.rb b/lib/fog/xenserver/compute.rb
index a5f71e6f0..d00c333e1 100644
--- a/lib/fog/xenserver/compute.rb
+++ b/lib/fog/xenserver/compute.rb
@@ -41,6 +41,7 @@ module Fog
       request :create_server
       request :create_vif
       request :create_vdi
+      request :create_vbd
       request :destroy_vif
       request :clone_server
       request :destroy_server
@@ -56,6 +57,7 @@ module Fog
       request :set_affinity
       request :set_attribute
       request :reboot_server
+      request :provision_server
     
       class Real
         
diff --git a/lib/fog/xenserver/models/compute/server.rb b/lib/fog/xenserver/models/compute/server.rb
index 3cf0f04c3..92e855666 100644
--- a/lib/fog/xenserver/models/compute/server.rb
+++ b/lib/fog/xenserver/models/compute/server.rb
@@ -177,6 +177,10 @@ module Fog
           stop 'clean'
         end
 
+        def provision
+          connection.provision_server reference
+        end
+
         # def snapshot
         #   requires :reference, :name_label
         #   data = connection.snapshot_server(@reference, @name_label)
diff --git a/lib/fog/xenserver/models/compute/vbd.rb b/lib/fog/xenserver/models/compute/vbd.rb
index 2ba2f4151..ee76dc27e 100644
--- a/lib/fog/xenserver/models/compute/vbd.rb
+++ b/lib/fog/xenserver/models/compute/vbd.rb
@@ -28,6 +28,9 @@ module Fog
         attribute :runtime_properties
         attribute :unpluggable
         attribute :bootable
+        attribute :qos_supported_algorithms
+        attribute :qos_algorithm_params
+        attribute :qos_algorithm_type
         attribute :empty
         attribute :__metrics,           :aliases => :metrics
 
@@ -37,7 +40,7 @@ module Fog
         def vdi
           connection.vdis.get __vdi
         end
-        
+
         #
         # TODO: May it return nil?
         #
@@ -45,6 +48,12 @@ module Fog
           connection.servers.get __vm
         end
 
+        def save
+          requires :vdi, :server
+          ref = connection.create_vbd attributes[:server], attributes[:vdi], attributes
+          merge_attributes connection.vbds.get(ref).attributes
+        end
+
         def unplug
           connection.unplug_vbd reference
         end
diff --git a/lib/fog/xenserver/requests/compute/create_server.rb b/lib/fog/xenserver/requests/compute/create_server.rb
index 0f686cc9d..25c4e3071 100644
--- a/lib/fog/xenserver/requests/compute/create_server.rb
+++ b/lib/fog/xenserver/requests/compute/create_server.rb
@@ -35,8 +35,10 @@ module Fog
           networks.each do |n|
             create_vif ref, n.reference
           end
-          @connection.request({:parser => Fog::Parsers::XenServer::Base.new, :method => 'VM.provision'}, ref)
-          start_vm( ref ) unless extra_args[:auto_start] == false
+          if !extra_args[:auto_start] == false
+            @connection.request({:parser => Fog::Parsers::XenServer::Base.new, :method => 'VM.provision'}, ref)
+            start_vm( ref ) 
+          end
           
           ref
         end
diff --git a/lib/fog/xenserver/requests/compute/create_vbd.rb b/lib/fog/xenserver/requests/compute/create_vbd.rb
new file mode 100644
index 000000000..a6c27c4c1
--- /dev/null
+++ b/lib/fog/xenserver/requests/compute/create_vbd.rb
@@ -0,0 +1,40 @@
+module Fog
+  module Compute
+    class XenServer
+
+      class Real
+        
+        def create_vbd( vm_ref, vdi_ref, config = {} )
+          raise ArgumentError.new('Invalid config') if config.nil?
+          vm_ref = vm_ref.reference if vm_ref.kind_of? Fog::Compute::XenServer::Server
+          vdi_ref = vdi_ref.reference if vdi_ref.kind_of? Fog::Compute::XenServer::VDI
+          config.reject! { |k,v| (k == :server) or (k == :vdi) }
+          default_config = {
+            :VM => vm_ref,
+            :VDI => vdi_ref,
+            :empty => false,
+            :other_config => {'owner' => ''},
+            :userdevice => "0",
+            :bootable => true,
+            :mode => 'RW',
+            :qos_algorithm_type=> '',
+            :qos_algorithm_params=> {},
+            :qos_supported_algorithms=> [],
+            :type => 'Disk'
+          }.merge config
+
+          @connection.request({:parser => Fog::Parsers::XenServer::Base.new, :method => 'VBD.create'}, default_config )
+        end
+      end
+
+      class Mock
+        
+        def create_vbd( config )
+          Fog::Mock.not_implemented
+        end
+        
+      end
+
+    end
+  end
+end
diff --git a/lib/fog/xenserver/requests/compute/provision_server.rb b/lib/fog/xenserver/requests/compute/provision_server.rb
new file mode 100644
index 000000000..ca68b30ea
--- /dev/null
+++ b/lib/fog/xenserver/requests/compute/provision_server.rb
@@ -0,0 +1,21 @@
+module Fog
+  module Compute
+    class XenServer
+      class Real
+        
+        def provision_server( ref )
+          @connection.request({:parser => Fog::Parsers::XenServer::Base.new, :method => 'VM.provision'}, ref)
+        end
+
+      end
+
+      class Mock
+
+        def provision_server( ref )
+          Fog::Mock.not_implemented
+        end
+      end
+
+    end
+  end
+end