diff --git a/database_utils/migrate_mano_db.sh b/database_utils/migrate_mano_db.sh
index e69d8a5..208ec7d 100755
--- a/database_utils/migrate_mano_db.sh
+++ b/database_utils/migrate_mano_db.sh
@@ -184,6 +184,7 @@
 [ $OPENMANO_VER_NUM -ge 4057 ] && DATABASE_TARGET_VER_NUM=14  #0.4.57=>  14
 [ $OPENMANO_VER_NUM -ge 4059 ] && DATABASE_TARGET_VER_NUM=15  #0.4.59=>  15
 [ $OPENMANO_VER_NUM -ge 5002 ] && DATABASE_TARGET_VER_NUM=16  #0.5.2 =>  16
+[ $OPENMANO_VER_NUM -ge 5003 ] && DATABASE_TARGET_VER_NUM=17  #0.5.3 =>  17
 #TODO ... put next versions here
 
 
@@ -676,12 +677,25 @@
 function downgrade_from_16(){
     echo "    downgrade database from version 0.16 to version 0.15"
     echo "      remove column 'config' at table 'datacenter_tenants', restoring lenght 'vim_tenant_name/id'"
-    echo "ALTER TABLE datacenter_tenants DROP COLUMN config" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
+    echo "ALTER TABLE datacenter_tenants DROP COLUMN config;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
     echo "ALTER TABLE datacenter_tenants CHANGE COLUMN vim_tenant_name vim_tenant_name VARCHAR(64) NULL DEFAULT NULL AFTER datacenter_id;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
     echo "ALTER TABLE datacenter_tenants CHANGE COLUMN vim_tenant_id vim_tenant_id VARCHAR(36) NULL DEFAULT NULL COMMENT 'Tenant ID at VIM' AFTER vim_tenant_name;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
     echo "DELETE FROM schema_version WHERE version_int='16';" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
 }
 
+function upgrade_to_17(){
+    echo "    upgrade database from version 0.16 to version 0.17"
+    echo "      add column 'extended' at table 'datacenter_flavors'"
+    echo "ALTER TABLE datacenters_flavors ADD extended varchar(2000) NULL COMMENT 'Extra description json format of additional devices';" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
+    echo "INSERT INTO schema_version (version_int, version, openmano_ver, comments, date) VALUES (17, '0.17', '0.5.3', 'Extra description json format of additional devices in datacenter_flavors', '2016-12-20');" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
+}
+function downgrade_from_17(){
+    echo "    downgrade database from version 0.17 to version 0.16"
+    echo "      remove column 'extended' from table 'datacenter_flavors'"
+    echo "ALTER TABLE datacenters_flavors DROP COLUMN extended;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
+    echo "DELETE FROM schema_version WHERE version_int='17';" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
+}
+
 function upgrade_to_X(){
     echo "      change 'datacenter_nets'"
     echo "ALTER TABLE datacenter_nets ADD COLUMN vim_tenant_id VARCHAR(36) NOT NULL AFTER datacenter_id, DROP INDEX name_datacenter_id, ADD UNIQUE INDEX name_datacenter_id (name, datacenter_id, vim_tenant_id);" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
diff --git a/nfvo.py b/nfvo.py
index d4935bf..0d60ff7 100644
--- a/nfvo.py
+++ b/nfvo.py
@@ -42,6 +42,8 @@
 global global_config
 global vimconn_imported
 global logger
+global default_volume_size
+default_volume_size = '5' #size in GB
 
 
 vimconn_imported={} #dictionary with VIM type as key, loaded module as value
@@ -395,9 +397,11 @@
     
         #Create the flavor in VIM
         #Translate images at devices from MANO id to VIM id
+        disk_list = []
         if 'extended' in flavor_dict and flavor_dict['extended']!=None and "devices" in flavor_dict['extended']:
             #make a copy of original devices
             devices_original=[]
+
             for device in flavor_dict["extended"].get("devices",[]):
                 dev={}
                 dev.update(device)
@@ -409,7 +413,9 @@
             dev_nb=0
             for index in range(0,len(devices_original)) :
                 device=devices_original[index]
-                if "image" not in device or "image name" not in device:
+                if "image" not in device and "image name" not in device:
+                    if 'size' in device:
+                        disk_list.append({'size': device.get('size', default_volume_size)})
                     continue
                 image_dict={}
                 image_dict['name']=device.get('image name',flavor_dict['name']+str(dev_nb)+"-img")
@@ -425,6 +431,10 @@
                 image_mano_id=create_or_use_image(mydb, vims, image_dict, rollback_list, only_create_at_vim=False, return_on_error=return_on_error )
                 image_dict["uuid"]=image_mano_id
                 image_vim_id=create_or_use_image(mydb, vims, image_dict, rollback_list, only_create_at_vim=True, return_on_error=return_on_error)
+
+                #save disk information (image must be based on and size
+                disk_list.append({'image_id': image_vim_id, 'size': device.get('size', default_volume_size)})
+
                 flavor_dict["extended"]["devices"][index]['imageRef']=image_vim_id
                 dev_nb += 1
         if len(flavor_db)>0:
@@ -451,7 +461,14 @@
         #if reach here the flavor has been create or exist
         if len(flavor_db)==0:
             #add new vim_id at datacenters_flavors
-            mydb.new_row('datacenters_flavors', {'datacenter_id':vim_id, 'flavor_id':flavor_mano_id, 'vim_id': flavor_vim_id, 'created':flavor_created})
+            extended_devices_yaml = None
+            if len(disk_list) > 0:
+                extended_devices = dict()
+                extended_devices['disks'] = disk_list
+                extended_devices_yaml = yaml.safe_dump(extended_devices,default_flow_style=True,width=256)
+            mydb.new_row('datacenters_flavors',
+                        {'datacenter_id':vim_id, 'flavor_id':flavor_mano_id, 'vim_id': flavor_vim_id,
+                        'created':flavor_created,'extended': extended_devices_yaml})
         elif flavor_db[0]["vim_id"]!=flavor_vim_id:
             #modify existing vim_id at datacenters_flavors
             mydb.update_rows('datacenters_flavors', UPDATE={'vim_id':flavor_vim_id}, WHERE={'datacenter_id':vim_id, 'flavor_id':flavor_mano_id})
@@ -1921,7 +1938,28 @@
                 flavor_dict = mydb.get_table_by_uuid_name("flavors", vm['flavor_id'])
                 if flavor_dict['extended']!=None:
                     flavor_dict['extended']= yaml.load(flavor_dict['extended'])
-                flavor_id = create_or_use_flavor(mydb, {datacenter_id: vim}, flavor_dict, rollbackList, True)                
+                flavor_id = create_or_use_flavor(mydb, {datacenter_id: vim}, flavor_dict, rollbackList, True)
+
+
+
+
+                #Obtain information for additional disks
+                extended_flavor_dict = mydb.get_rows(FROM='datacenters_flavors', SELECT=('extended',), WHERE={'vim_id': flavor_id})
+                if not extended_flavor_dict:
+                    raise NfvoException("flavor '{}' not found".format(flavor_id), HTTP_Not_Found)
+                    return
+
+                #extended_flavor_dict_yaml = yaml.load(extended_flavor_dict[0])
+                myVMDict['disks'] = None
+                extended_info = extended_flavor_dict[0]['extended']
+                if extended_info != None:
+                    extended_flavor_dict_yaml = yaml.load(extended_info)
+                    if 'disks' in extended_flavor_dict_yaml:
+                        myVMDict['disks'] = extended_flavor_dict_yaml['disks']
+
+
+
+
                 vm['vim_flavor_id'] = flavor_id
                 
                 myVMDict['imageRef'] = vm['vim_image_id']
@@ -1983,7 +2021,9 @@
                 #print "interfaces", yaml.safe_dump(vm['interfaces'], indent=4, default_flow_style=False)
                 #print ">>>>>>>>>>>>>>>>>>>>>>>>>>>"
                 vm_id = vim.new_vminstance(myVMDict['name'],myVMDict['description'],myVMDict.get('start', None),
-                        myVMDict['imageRef'],myVMDict['flavorRef'],myVMDict['networks'], cloud_config = cloud_config)
+                        myVMDict['imageRef'],myVMDict['flavorRef'],myVMDict['networks'], cloud_config = cloud_config,
+                        disk_list = myVMDict['disks'])
+
                 vm['vim_id'] = vm_id
                 rollbackList.append({'what':'vm','where':'vim','vim_id':datacenter_id,'uuid':vm_id})
                 #put interface uuid back to scenario[vnfs][vms[[interfaces]
diff --git a/openmano_schemas.py b/openmano_schemas.py
index ffbacd3..013234f 100644
--- a/openmano_schemas.py
+++ b/openmano_schemas.py
@@ -24,7 +24,7 @@
 '''
 JSON schemas used by openmano httpserver.py module to parse the different files and messages sent through the API 
 '''
-__author__="Alfonso Tierno, Gerardo Garcia"
+__author__="Alfonso Tierno, Gerardo Garcia, Pablo Montes"
 __date__ ="$09-oct-2014 09:09:48$"
 
 #Basis schemas
@@ -55,6 +55,7 @@
 #schema_version_string={"type":"string","enum": ["0.1", "2", "0.2", "3", "0.3"]}
 log_level_schema={"type":"string", "enum":["DEBUG", "INFO", "WARNING","ERROR","CRITICAL"]}
 checksum_schema={"type":"string", "pattern":"^[0-9a-fA-F]{32}$"}
+size_schema={"type":"integer","minimum":1,"maximum":100}
 
 metadata_schema={
     "type":"object",
@@ -465,7 +466,8 @@
             "image": path_schema,
             "image name": name_schema,
             "image checksum": checksum_schema,
-            "image metadata": metadata_schema, 
+            "image metadata": metadata_schema,
+            "size": size_schema,
             "vpci":pci_schema,
             "xml":xml_text_schema,
         },
diff --git a/openmanod.py b/openmanod.py
index bbbd7d3..b50ca9d 100755
--- a/openmanod.py
+++ b/openmanod.py
@@ -33,9 +33,9 @@
 '''
 __author__="Alfonso Tierno, Gerardo Garcia, Pablo Montes"
 __date__ ="$26-aug-2014 11:09:29$"
-__version__="0.5.2-r510"
-version_date="Oct 2016"
-database_version="0.16"      #expected database schema version
+__version__="0.5.3-r511"
+version_date="Dec 2016"
+database_version="0.17"      #expected database schema version
 
 import httpserver
 import time
diff --git a/scenarios/examples/scenario_vnf_additional_disk_based_image.yaml b/scenarios/examples/scenario_vnf_additional_disk_based_image.yaml
new file mode 100644
index 0000000..6612369
--- /dev/null
+++ b/scenarios/examples/scenario_vnf_additional_disk_based_image.yaml
@@ -0,0 +1,40 @@
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openmano
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+---
+schema_version:  2
+scenario:
+  name:          vnf_additional_disk_based_image
+  description:   Just deploy vnf_2_disks
+  public:        false      # if available for other tenants
+  vnfs:
+    vnf_2_disks:                     # vnf name in the scenario
+      #identify an already openmano uploaded VNF either by vnf_id (uuid, prefered) or vnf_name
+      #vnf_id:    0c0dcc20-c5d5-11e6-a9fb-fa163e2ae06e                  #prefered id method
+      vnf_name:  vnf_additional_disk_based_image   #can fail if several vnfs matches this name
+      #graph:     {"y":399,"x":332,"ifaces":{"left":[["xe0","d"],["xe1","d"]],"bottom":[["eth0","v"],["eth1","m"]]}}
+  networks:                
+    internal:
+      # Connections based on external networks (datacenter nets) must include the external network in the list of nodes
+      type:      bridge
+      external:  true       #this will be connected outside
+      interfaces:
+      -   vnf_2_disks:  mgmt0
+
diff --git a/scenarios/examples/scenario_vnf_additional_disk_empty_volume.yaml b/scenarios/examples/scenario_vnf_additional_disk_empty_volume.yaml
new file mode 100644
index 0000000..0644a69
--- /dev/null
+++ b/scenarios/examples/scenario_vnf_additional_disk_empty_volume.yaml
@@ -0,0 +1,40 @@
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openmano
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+---
+schema_version:  2
+scenario:
+  name:          vnf_additional_disk_empty_volume
+  description:   Just deploy vnf_2_disks
+  public:        false      # if available for other tenants
+  vnfs:
+    vnf_2_disks:                     # vnf name in the scenario
+      #identify an already openmano uploaded VNF either by vnf_id (uuid, prefered) or vnf_name
+      #vnf_id:    0c0dcc20-c5d5-11e6-a9fb-fa163e2ae06e                  #prefered id method
+      vnf_name:  vnf_additional_disk_empty_volume   #can fail if several vnfs matches this name
+      #graph:     {"y":399,"x":332,"ifaces":{"left":[["xe0","d"],["xe1","d"]],"bottom":[["eth0","v"],["eth1","m"]]}}
+  networks:                
+    internal:
+      # Connections based on external networks (datacenter nets) must include the external network in the list of nodes
+      type:      bridge
+      external:  true       #this will be connected outside
+      interfaces:
+      -   vnf_2_disks:  mgmt0
+
diff --git a/scenarios/examples/scenario_vnf_no_additional_devices.yaml b/scenarios/examples/scenario_vnf_no_additional_devices.yaml
new file mode 100644
index 0000000..10ef4b2
--- /dev/null
+++ b/scenarios/examples/scenario_vnf_no_additional_devices.yaml
@@ -0,0 +1,40 @@
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openmano
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+---
+schema_version:  2
+scenario:
+  name:          vnf_no_additional_devices
+  description:   Just deploy vnf_2_disks
+  public:        false      # if available for other tenants
+  vnfs:
+    vnf_2_disks:                     # vnf name in the scenario
+      #identify an already openmano uploaded VNF either by vnf_id (uuid, prefered) or vnf_name
+      #vnf_id:    0c0dcc20-c5d5-11e6-a9fb-fa163e2ae06e                  #prefered id method
+      vnf_name:  vnf_no_additional_devices   #can fail if several vnfs matches this name
+      #graph:     {"y":399,"x":332,"ifaces":{"left":[["xe0","d"],["xe1","d"]],"bottom":[["eth0","v"],["eth1","m"]]}}
+  networks:                
+    internal:
+      # Connections based on external networks (datacenter nets) must include the external network in the list of nodes
+      type:      bridge
+      external:  true       #this will be connected outside
+      interfaces:
+      -   vnf_2_disks:  mgmt0
+
diff --git a/vimconn.py b/vimconn.py
index b5f8b07..814be65 100644
--- a/vimconn.py
+++ b/vimconn.py
@@ -303,7 +303,7 @@
         '''
         raise vimconnNotImplemented( "Should have implemented this" )
 
-    def new_vminstance(self,name,description,start,image_id,flavor_id,net_list,cloud_config=None):
+    def new_vminstance(self,name,description,start,image_id,flavor_id,net_list,cloud_config=None,disk_list=None):
         '''Adds a VM instance to VIM
         Params:
             start: indicates if VM must start or boot in pause mode. Ignored
diff --git a/vimconn_openstack.py b/vimconn_openstack.py
index 6c46dbb..cdd1178 100644
--- a/vimconn_openstack.py
+++ b/vimconn_openstack.py
@@ -24,14 +24,15 @@
 '''
 osconnector implements all the methods to interact with openstack using the python-client.
 '''
-__author__="Alfonso Tierno, Gerardo Garcia, xFlow Research"
-__date__ ="$24-nov-2016 09:10$"
+__author__="Alfonso Tierno, Gerardo Garcia, Pablo Montes, xFlow Research"
+__date__ ="$22-jun-2014 11:19:29$"
 
 import vimconn
 import json
 import yaml
 import logging
 import netaddr
+import time
 
 from novaclient import client as nClient_v2, exceptions as nvExceptions, api_versions as APIVersion
 import keystoneclient.v2_0.client as ksClient_v2
@@ -41,6 +42,7 @@
 import glanceclient.v2.client as glClient
 import glanceclient.client as gl1Client
 import glanceclient.exc as gl1Exceptions
+import cinderclient.v2.client as cClient_v2
 from httplib import HTTPException
 from neutronclient.neutron import client as neClient_v2
 from neutronclient.v2_0 import client as neClient
@@ -58,6 +60,9 @@
 netStatus2manoFormat={'ACTIVE':'ACTIVE','PAUSED':'PAUSED','INACTIVE':'INACTIVE','BUILD':'BUILD','ERROR':'ERROR','DELETED':'DELETED'
                      }
 
+#global var to have a timeout creating and deleting volumes
+volume_timeout = 60
+
 class vimconnector(vimconn.vimconnector):
     def __init__(self, uuid, name, tenant_id, tenant_name, url, url_admin=None, user=None, passwd=None, log_level=None, config={}):
         '''using common constructor parameters. In this case 
@@ -90,6 +95,7 @@
         if self.osc_api_version == 'v3.3':
             self.k_creds['project_name'] = tenant_name
             self.k_creds['project_id'] = tenant_id
+
         self.reload_client       = True
         self.logger = logging.getLogger('openmano.vim.openstack')
         if log_level:
@@ -173,11 +179,14 @@
                 raise ksExceptions.ClientException("Not enough parameters to connect to openstack")
             if self.osc_api_version == 'v3.3':
                 self.nova = nClient(APIVersion(version_str='2'), **self.n_creds)
+                #TODO To be updated for v3
+                #self.cinder = cClient.Client(**self.n_creds)
                 self.keystone = ksClient.Client(**self.k_creds)
                 self.ne_endpoint=self.keystone.service_catalog.url_for(service_type='network', endpoint_type='publicURL')
                 self.neutron = neClient.Client(APIVersion(version_str='2'), endpoint_url=self.ne_endpoint, token=self.keystone.auth_token, **self.k_creds)
             else:
                 self.nova = nClient_v2.Client('2', **self.n_creds)
+                self.cinder = cClient_v2.Client(**self.n_creds)
                 self.keystone = ksClient_v2.Client(**self.k_creds)
                 self.ne_endpoint=self.keystone.service_catalog.url_for(service_type='network', endpoint_type='publicURL')
                 self.neutron = neClient_v2.Client('2.0', endpoint_url=self.ne_endpoint, token=self.keystone.auth_token, **self.k_creds)
@@ -229,7 +238,7 @@
         self.logger.debug("Getting tenants from VIM filter: '%s'", str(filter_dict))
         try:
             self._reload_connection()
-            if osc_api_version == 'v3.3':
+            if self.osc_api_version == 'v3.3':
                 project_class_list=self.keystone.projects.findall(**filter_dict)
             else:
                 project_class_list=self.keystone.tenants.findall(**filter_dict)
@@ -258,7 +267,7 @@
         self.logger.debug("Deleting tenant %s from VIM", tenant_id)
         try:
             self._reload_connection()
-            if osc_api_version == 'v3.3':
+            if self.osc_api_version == 'v3.3':
                 self.keystone.projects.delete(tenant_id)
             else:
                 self.keystone.tenants.delete(tenant_id)
@@ -338,7 +347,7 @@
         self.logger.debug("Getting network from VIM filter: '%s'", str(filter_dict))
         try:
             self._reload_connection()
-            if osc_api_version == 'v3.3' and "tenant_id" in filter_dict:
+            if self.osc_api_version == 'v3.3' and "tenant_id" in filter_dict:
                 filter_dict['project_id'] = filter_dict.pop('tenant_id')
             net_dict=self.neutron.list_networks(**filter_dict)
             net_list=net_dict["networks"]
@@ -649,7 +658,7 @@
         except (ksExceptions.ClientException, nvExceptions.ClientException, gl1Exceptions.CommunicationError, ConnectionError) as e:
             self._format_exception(e)
 
-    def new_vminstance(self,name,description,start,image_id,flavor_id,net_list,cloud_config=None):
+    def new_vminstance(self,name,description,start,image_id,flavor_id,net_list,cloud_config=None,disk_list=None):
         '''Adds a VM instance to VIM
         Params:
             start: indicates if VM must start or boot in pause mode. Ignored
@@ -740,16 +749,56 @@
             elif isinstance(cloud_config, str):
                 userdata = cloud_config
             else:
-                userdata=None    
-            
+                userdata=None
+
+            #Create additional volumes in case these are present in disk_list
+            block_device_mapping = None
+            base_disk_index = ord('b')
+            if disk_list != None:
+                block_device_mapping = dict()
+                for disk in disk_list:
+                    if 'image_id' in disk:
+                        volume = self.cinder.volumes.create(size = disk['size'],name = name + '_vd' +
+                                    chr(base_disk_index), imageRef = disk['image_id'])
+                    else:
+                        volume = self.cinder.volumes.create(size=disk['size'], name=name + '_vd' +
+                                    chr(base_disk_index))
+                    block_device_mapping['_vd' +  chr(base_disk_index)] = volume.id
+                    base_disk_index += 1
+
+                #wait until volumes are with status available
+                keep_waiting = True
+                elapsed_time = 0
+                while keep_waiting and elapsed_time < volume_timeout:
+                    keep_waiting = False
+                    for volume_id in block_device_mapping.itervalues():
+                        if self.cinder.volumes.get(volume_id).status != 'available':
+                            keep_waiting = True
+                    if keep_waiting:
+                        time.sleep(1)
+                        elapsed_time += 1
+
+                #if we exceeded the timeout rollback
+                if elapsed_time >= volume_timeout:
+                    #delete the volumes we just created
+                    for volume_id in block_device_mapping.itervalues():
+                        self.cinder.volumes.delete(volume_id)
+
+                    #delete ports we just created
+                    for net_item  in net_list_vim:
+                        if 'port-id' in net_item:
+                            self.neutron.delete_port(net_item['port_id'])
+
+                    raise vimconn.vimconnException('Timeout creating volumes for instance ' + name,
+                                                   http_code=vimconn.HTTP_Request_Timeout)
+
             server = self.nova.servers.create(name, image_id, flavor_id, nics=net_list_vim, meta=metadata,
-                                              security_groups   = security_groups,
-                                              availability_zone = self.config.get('availability_zone'),
-                                              key_name          = self.config.get('keypair'),
-                                              userdata=userdata
-                                        ) #, description=description)
-            
-            
+                                              security_groups=security_groups,
+                                              availability_zone=self.config.get('availability_zone'),
+                                              key_name=self.config.get('keypair'),
+                                              userdata=userdata,
+                                              block_device_mapping = block_device_mapping
+                                              )  # , description=description)
             #print "DONE :-)", server
             
             pool_id = None
@@ -867,7 +916,32 @@
                     self.neutron.delete_port(p["id"])
                 except Exception as e:
                     self.logger.error("Error deleting port: " + type(e).__name__ + ": "+  str(e))
+
+            #commented because detaching the volumes makes the servers.delete not work properly ?!?
+            #dettach volumes attached
+            server = self.nova.servers.get(vm_id)
+            volumes_attached_dict = server._info['os-extended-volumes:volumes_attached']
+            #for volume in volumes_attached_dict:
+            #    self.cinder.volumes.detach(volume['id'])
+
             self.nova.servers.delete(vm_id)
+
+            #delete volumes.
+            #Although having detached them should have them  in active status
+            #we ensure in this loop
+            keep_waiting = True
+            elapsed_time = 0
+            while keep_waiting and elapsed_time < volume_timeout:
+                keep_waiting = False
+                for volume in volumes_attached_dict:
+                    if self.cinder.volumes.get(volume['id']).status != 'available':
+                        keep_waiting = True
+                    else:
+                        self.cinder.volumes.delete(volume['id'])
+                if keep_waiting:
+                    time.sleep(1)
+                    elapsed_time += 1
+
             return vm_id
         except (nvExceptions.NotFound, ksExceptions.ClientException, nvExceptions.ClientException, ConnectionError) as e:
             self._format_exception(e)
diff --git a/vimconn_openvim.py b/vimconn_openvim.py
index d415532..241f63d 100644
--- a/vimconn_openvim.py
+++ b/vimconn_openvim.py
@@ -776,7 +776,7 @@
             #print text
             return -vim_response.status_code,text
 
-    def new_vminstance(self,name,description,start,image_id,flavor_id,net_list, cloud_config=None):
+    def new_vminstance(self,name,description,start,image_id,flavor_id,net_list, cloud_config=None, disk_list=None):
         '''Adds a VM instance to VIM
         Params:
             start: indicates if VM must start or boot in pause mode. Ignored
diff --git a/vimconn_vmware.py b/vimconn_vmware.py
index 7836eff..02222a8 100644
--- a/vimconn_vmware.py
+++ b/vimconn_vmware.py
@@ -1083,7 +1083,7 @@
         return None
 
     def new_vminstance(self, name=None, description="", start=False, image_id=None, flavor_id=None, net_list={},
-                       cloud_config=None):
+                       cloud_config=None, disk_list=None):
         """Adds a VM instance to VIM
         Params:
             start: indicates if VM must start or boot in pause mode. Ignored
diff --git a/vnfs/examples/vnf_additional_disk_based_image.yaml b/vnfs/examples/vnf_additional_disk_based_image.yaml
new file mode 100644
index 0000000..48f8ba9
--- /dev/null
+++ b/vnfs/examples/vnf_additional_disk_based_image.yaml
@@ -0,0 +1,67 @@
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openmano
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+---
+vnf:
+    name: vnf_additional_disk_based_image
+    description: VNF with additional volume based on image
+    # class: parent      # Optional. Used to organize VNFs
+    external-connections:
+    -   name:              mgmt0
+        type:              mgmt        # "mgmt" (autoconnect to management net), "bridge", "data"
+        VNFC:              TEMPLATE-VM # Virtual Machine this interface belongs to
+        local_iface_name:  mgmt0       # interface name inside this Virtual Machine (must be defined in the VNFC section)
+        description:       Management interface
+    VNFC:                              # Virtual machine array 
+    -   name:        TEMPLATE-VM       # name of Virtual Machine
+        description: TEMPLATE description
+#        VNFC image: /path/to/imagefolder/TEMPLATE-VM.qcow2
+        image name: ubuntu16.04
+        image checksum: 7373edba82a31eedd182d29237b746cf
+        # image metadata: {"bus":"ide", "os_type":"windows", "use_incremental": "no" } #Optional
+        # processor:                     #Optional
+        #     model: Intel(R) Xeon(R) CPU E5-4620 0 @ 2.20GHz
+        #     features: ["64b", "iommu", "lps", "tlbps", "hwsv", "dioc", "ht"]
+        # hypervisor:                    #Optional
+        #     type: QEMU-kvm
+        #     version: "10002|12001|2.6.32-358.el6.x86_64"
+        vcpus: 1          # Only for traditional cloud VMs. Number of virtual CPUs (oversubscription is allowed).
+        ram: 1000         # Only for traditional cloud VMs. Memory in MBytes (not from hugepages, oversubscription is allowed)
+        disk: 5          # disk size in GiB, by default 1
+        #numas: 
+        #-   paired-threads: 5          # "cores", "paired-threads", "threads"
+        #    paired-threads-id: [ [0,1], [2,3], [4,5], [6,7], [8,9] ] # By default follows incremental order
+        #    memory: 14                 # GBytes
+        #    interfaces: []
+        bridge-ifaces:
+        -   name:      mgmt0
+            vpci:      "0000:00:0a.0"    # Optional. Virtual PCI address
+            bandwidth: 1 Mbps            # Optional. Informative only
+            # mac_address: '20:33:45:56:77:46' #avoid this option if possible
+            # model:       'virtio'      # ("virtio","e1000","ne2k_pci","pcnet","rtl8139") By default, it is automatically filled by libvirt
+        devices:                       # Optional, order determines device letter asignation (hda, hdb, ...)
+        -   type:      disk            # "disk","cdrom","xml"
+            image name: TestVM
+            image checksum: 88d6c77b58fd40a7cb7f44b62bd5ad98
+            size: 1
+            # image metadata: {"bus":"ide", "os_type":"windows", "use_incremental": "no" }
+            # vpci:      "0000:00:03.0"   # Optional, not for disk or cdrom
+    # Additional Virtual Machines would be included here
+
diff --git a/vnfs/examples/vnf_additional_disk_empty_volume.yaml b/vnfs/examples/vnf_additional_disk_empty_volume.yaml
new file mode 100644
index 0000000..ef0990f
--- /dev/null
+++ b/vnfs/examples/vnf_additional_disk_empty_volume.yaml
@@ -0,0 +1,65 @@
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openmano
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+---
+vnf:
+    name: vnf_additional_disk_empty_volume
+    description: VNF with additional volume based on image
+    # class: parent      # Optional. Used to organize VNFs
+    external-connections:
+    -   name:              mgmt0
+        type:              mgmt        # "mgmt" (autoconnect to management net), "bridge", "data"
+        VNFC:              TEMPLATE-VM # Virtual Machine this interface belongs to
+        local_iface_name:  mgmt0       # interface name inside this Virtual Machine (must be defined in the VNFC section)
+        description:       Management interface
+    VNFC:                              # Virtual machine array 
+    -   name:        TEMPLATE-VM       # name of Virtual Machine
+        description: TEMPLATE description
+#        VNFC image: /path/to/imagefolder/TEMPLATE-VM.qcow2
+        image name: ubuntu16.04
+        image checksum: 7373edba82a31eedd182d29237b746cf
+        # image metadata: {"bus":"ide", "os_type":"windows", "use_incremental": "no" } #Optional
+        # processor:                     #Optional
+        #     model: Intel(R) Xeon(R) CPU E5-4620 0 @ 2.20GHz
+        #     features: ["64b", "iommu", "lps", "tlbps", "hwsv", "dioc", "ht"]
+        # hypervisor:                    #Optional
+        #     type: QEMU-kvm
+        #     version: "10002|12001|2.6.32-358.el6.x86_64"
+        vcpus: 1          # Only for traditional cloud VMs. Number of virtual CPUs (oversubscription is allowed).
+        ram: 1000         # Only for traditional cloud VMs. Memory in MBytes (not from hugepages, oversubscription is allowed)
+        disk: 5          # disk size in GiB, by default 1
+        #numas: 
+        #-   paired-threads: 5          # "cores", "paired-threads", "threads"
+        #    paired-threads-id: [ [0,1], [2,3], [4,5], [6,7], [8,9] ] # By default follows incremental order
+        #    memory: 14                 # GBytes
+        #    interfaces: []
+        bridge-ifaces:
+        -   name:      mgmt0
+            vpci:      "0000:00:0a.0"    # Optional. Virtual PCI address
+            bandwidth: 1 Mbps            # Optional. Informative only
+            # mac_address: '20:33:45:56:77:46' #avoid this option if possible
+            # model:       'virtio'      # ("virtio","e1000","ne2k_pci","pcnet","rtl8139") By default, it is automatically filled by libvirt
+        devices:                       # Optional, order determines device letter asignation (hda, hdb, ...)
+        -   type:      disk            # "disk","cdrom","xml"
+            size: 1
+            # image metadata: {"bus":"ide", "os_type":"windows", "use_incremental": "no" }
+            # vpci:      "0000:00:03.0"   # Optional, not for disk or cdrom
+    # Additional Virtual Machines would be included here
+
diff --git a/vnfs/examples/vnf_no_additional_devices.yaml b/vnfs/examples/vnf_no_additional_devices.yaml
new file mode 100644
index 0000000..aad2f19
--- /dev/null
+++ b/vnfs/examples/vnf_no_additional_devices.yaml
@@ -0,0 +1,60 @@
+##
+# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
+# This file is part of openmano
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: nfvlabs@tid.es
+##
+---
+vnf:
+    name: vnf_no_additional_devices
+    description: VNF with additional volume based on image
+    # class: parent      # Optional. Used to organize VNFs
+    external-connections:
+    -   name:              mgmt0
+        type:              mgmt        # "mgmt" (autoconnect to management net), "bridge", "data"
+        VNFC:              TEMPLATE-VM # Virtual Machine this interface belongs to
+        local_iface_name:  mgmt0       # interface name inside this Virtual Machine (must be defined in the VNFC section)
+        description:       Management interface
+    VNFC:                              # Virtual machine array 
+    -   name:        TEMPLATE-VM       # name of Virtual Machine
+        description: TEMPLATE description
+#        VNFC image: /path/to/imagefolder/TEMPLATE-VM.qcow2
+        image name: ubuntu16.04
+        image checksum: 7373edba82a31eedd182d29237b746cf
+        # image metadata: {"bus":"ide", "os_type":"windows", "use_incremental": "no" } #Optional
+        # processor:                     #Optional
+        #     model: Intel(R) Xeon(R) CPU E5-4620 0 @ 2.20GHz
+        #     features: ["64b", "iommu", "lps", "tlbps", "hwsv", "dioc", "ht"]
+        # hypervisor:                    #Optional
+        #     type: QEMU-kvm
+        #     version: "10002|12001|2.6.32-358.el6.x86_64"
+        vcpus: 1          # Only for traditional cloud VMs. Number of virtual CPUs (oversubscription is allowed).
+        ram: 1000         # Only for traditional cloud VMs. Memory in MBytes (not from hugepages, oversubscription is allowed)
+        disk: 5          # disk size in GiB, by default 1
+        #numas: 
+        #-   paired-threads: 5          # "cores", "paired-threads", "threads"
+        #    paired-threads-id: [ [0,1], [2,3], [4,5], [6,7], [8,9] ] # By default follows incremental order
+        #    memory: 14                 # GBytes
+        #    interfaces: []
+        bridge-ifaces:
+        -   name:      mgmt0
+            vpci:      "0000:00:0a.0"    # Optional. Virtual PCI address
+            bandwidth: 1 Mbps            # Optional. Informative only
+            # mac_address: '20:33:45:56:77:46' #avoid this option if possible
+            # model:       'virtio'      # ("virtio","e1000","ne2k_pci","pcnet","rtl8139") By default, it is automatically filled by libvirt
+    # Additional Virtual Machines would be included here
+