diff --git a/docs/vg-vac_a04.conf b/docs/vg-vac_a04.conf
new file mode 100644
index 0000000000000000000000000000000000000000..28d3697eb2cb580512ffa6c0c2efece7703f5672
--- /dev/null
+++ b/docs/vg-vac_a04.conf
@@ -0,0 +1,133 @@
+#
+# Resource backup , created Fri Jun 18 15:28:03 CEST 2021
+#
+
+#---------------------------------------------------------
+# SERVER vg-srv/vac_a04, Vg device declaration
+#---------------------------------------------------------
+
+vg-srv/vac_a04/DEVICE/Vg: "sr/vacuum/vgpeb_s03.02",\ 
+                          "sr/vacuum/vgpeb_s04.01",\ 
+                          "sr/vacuum/vgpeid_s05.02",\ 
+                          "sr/vacuum/vgpeid_s05.03",\ 
+                          "sr/vacuum/vgpe_s04.02",\ 
+                          "sr/vacuum/vgpe_s04.04",\ 
+                          "sr/vacuum/vgpe_s05.01"
+
+
+# --- sr/vacuum/vgpeb_s03.02 properties
+
+sr/vacuum/vgpeb_s03.02->Channel: 0
+sr/vacuum/vgpeb_s03.02->polled_attr: state,\ 
+                                     1000,\ 
+                                     pressure,\ 
+                                     1000
+sr/vacuum/vgpeb_s03.02->Timeout: 2500
+sr/vacuum/vgpeb_s03.02->TpgDevice: "sa/vacuum/vgpwr_s04.01"
+sr/vacuum/vgpeb_s03.02->__SubDevices: "sa/vacuum/vgpwr_s04.01"
+
+# --- sr/vacuum/vgpeb_s03.02 attribute properties
+
+
+# --- sr/vacuum/vgpeb_s04.01 properties
+
+sr/vacuum/vgpeb_s04.01->Channel: 2
+sr/vacuum/vgpeb_s04.01->polled_attr: state,\ 
+                                     1000,\ 
+                                     pressure,\ 
+                                     1000
+sr/vacuum/vgpeb_s04.01->Timeout: 2500
+sr/vacuum/vgpeb_s04.01->TpgDevice: "sa/vacuum/vgpwr_s04.01"
+sr/vacuum/vgpeb_s04.01->__SubDevices: "sa/vacuum/vgpwr_s04.01"
+
+# --- sr/vacuum/vgpeb_s04.01 attribute properties
+
+
+# --- sr/vacuum/vgpeid_s05.02 properties
+
+sr/vacuum/vgpeid_s05.02->Channel: 0
+sr/vacuum/vgpeid_s05.02->polled_attr: state,\ 
+                                      1000,\ 
+                                      pressure,\ 
+                                      1000
+sr/vacuum/vgpeid_s05.02->Timeout: 2500
+sr/vacuum/vgpeid_s05.02->TpgDevice: "sa/vacuum/vgpwr_s04.04"
+sr/vacuum/vgpeid_s05.02->__SubDevices: "sa/vacuum/vgpwr_s04.04"
+
+# --- sr/vacuum/vgpeid_s05.02 attribute properties
+
+
+# --- sr/vacuum/vgpeid_s05.03 properties
+
+sr/vacuum/vgpeid_s05.03->Channel: 2
+sr/vacuum/vgpeid_s05.03->polled_attr: state,\ 
+                                      1000,\ 
+                                      pressure,\ 
+                                      1000
+sr/vacuum/vgpeid_s05.03->Timeout: 2500
+sr/vacuum/vgpeid_s05.03->TpgDevice: "sa/vacuum/vgpwr_s04.03"
+sr/vacuum/vgpeid_s05.03->__SubDevices: "sa/vacuum/vgpwr_s04.03"
+
+# --- sr/vacuum/vgpeid_s05.03 attribute properties
+
+
+# --- sr/vacuum/vgpe_s04.02 properties
+
+sr/vacuum/vgpe_s04.02->Channel: 2
+sr/vacuum/vgpe_s04.02->polled_attr: state,\ 
+                                    1000,\ 
+                                    pressure,\ 
+                                    1000
+sr/vacuum/vgpe_s04.02->Timeout: 2500
+sr/vacuum/vgpe_s04.02->TpgDevice: "sa/vacuum/vgpwr_s04.02"
+sr/vacuum/vgpe_s04.02->__SubDevices: "sa/vacuum/vgpwr_s04.02"
+
+# --- sr/vacuum/vgpe_s04.02 attribute properties
+
+
+# --- sr/vacuum/vgpe_s04.04 properties
+
+sr/vacuum/vgpe_s04.04->Channel: 0
+sr/vacuum/vgpe_s04.04->polled_attr: state,\ 
+                                    1000,\ 
+                                    pressure,\ 
+                                    1000
+sr/vacuum/vgpe_s04.04->Timeout: 2500
+sr/vacuum/vgpe_s04.04->TpgDevice: "sa/vacuum/vgpwr_s04.02"
+sr/vacuum/vgpe_s04.04->__SubDevices: "sa/vacuum/vgpwr_s04.02"
+
+# --- sr/vacuum/vgpe_s04.04 attribute properties
+
+
+# --- sr/vacuum/vgpe_s05.01 properties
+
+sr/vacuum/vgpe_s05.01->Channel: 0
+sr/vacuum/vgpe_s05.01->Timeout: 2500
+sr/vacuum/vgpe_s05.01->TpgDevice: "sa/vacuum/vgpwr_s04.03"
+sr/vacuum/vgpe_s05.01->__SubDevices: "sa/vacuum/vgpwr_s04.03"
+
+# --- sr/vacuum/vgpe_s05.01 attribute properties
+
+
+#---------------------------------------------------------
+# CLASS Vg properties
+#---------------------------------------------------------
+
+CLASS/Vg->cvs_location: "/home/cvsadm/cvsroot/fermi/servers/vg/src/"
+CLASS/Vg->cvs_tag: release_02
+CLASS/Vg->Description: ""
+CLASS/Vg->doc_url: "http://www.esrf.eu/computing/cs/tango/tango_doc/ds_doc/"
+CLASS/Vg->helperApplication: "/runtime/elettra/bin/vg"
+CLASS/Vg->InheritedFrom: Device_Impl
+CLASS/Vg->ProjectTitle: Vg
+
+# CLASS Vg attribute properties
+
+
+
+# --- dserver/vg-srv/vac_a04 properties
+
+dserver/vg-srv/vac_a04->polling_threads_pool_conf: "sr/vacuum/vgpeb_s03.02,sr/vacuum/vgpeb_s04.01",\ 
+                                                   "sr/vacuum/vgpeid_s05.02,sr/vacuum/vgpeid_s05.03",\ 
+                                                   "sr/vacuum/vgpe_s04.02,sr/vacuum/vgpe_s04.04"
+dserver/vg-srv/vac_a04->polling_threads_pool_size: 3
diff --git a/docs/vg-vac_a10.conf b/docs/vg-vac_a10.conf
new file mode 100644
index 0000000000000000000000000000000000000000..c2e6597e061326c6d89542caddfade0ab070f296
--- /dev/null
+++ b/docs/vg-vac_a10.conf
@@ -0,0 +1,138 @@
+#
+# Resource backup , created Thu Jun 17 16:03:48 CEST 2021
+#
+
+#---------------------------------------------------------
+# SERVER vg-srv/vac_a10, Vg device declaration
+#---------------------------------------------------------
+
+vg-srv/vac_a10/DEVICE/Vg: "sr/vacuum/vgpeb_s09.02",\ 
+                          "sr/vacuum/vgpeb_s10.01",\ 
+                          "sr/vacuum/vgpeb_s10.02",\ 
+                          "sr/vacuum/vgpeb_s11.01",\ 
+                          "sr/vacuum/vgpe_s09.10",\ 
+                          "sr/vacuum/vgpe_s10.04",\ 
+                          "sr/vacuum/vgpe_s10.05"
+
+
+# --- sr/vacuum/vgpeb_s09.02 properties
+
+sr/vacuum/vgpeb_s09.02->Channel: 0
+sr/vacuum/vgpeb_s09.02->polled_attr: state,\ 
+                                     1000,\ 
+                                     pressure,\ 
+                                     1000
+sr/vacuum/vgpeb_s09.02->Timeout: 2500
+sr/vacuum/vgpeb_s09.02->TpgDevice: "sa/vacuum/vgpwr_s10.01"
+sr/vacuum/vgpeb_s09.02->__SubDevices: "sa/vacuum/vgpwr_s10.01"
+
+# --- sr/vacuum/vgpeb_s09.02 attribute properties
+
+
+# --- sr/vacuum/vgpeb_s10.01 properties
+
+sr/vacuum/vgpeb_s10.01->Channel: 1
+sr/vacuum/vgpeb_s10.01->polled_attr: state,\ 
+                                     1000,\ 
+                                     pressure,\ 
+                                     1000
+sr/vacuum/vgpeb_s10.01->Timeout: 2500
+sr/vacuum/vgpeb_s10.01->TpgDevice: "sa/vacuum/vgpwr_s10.02"
+sr/vacuum/vgpeb_s10.01->__SubDevices: "sa/vacuum/vgpwr_s10.02"
+
+# --- sr/vacuum/vgpeb_s10.01 attribute properties
+
+
+# --- sr/vacuum/vgpeb_s10.02 properties
+
+sr/vacuum/vgpeb_s10.02->Channel: 0
+sr/vacuum/vgpeb_s10.02->polled_attr: state,\ 
+                                     1000,\ 
+                                     pressure,\ 
+                                     1000
+sr/vacuum/vgpeb_s10.02->Timeout: 2500
+sr/vacuum/vgpeb_s10.02->TpgDevice: "sa/vacuum/vgpwr_s10.04"
+sr/vacuum/vgpeb_s10.02->__SubDevices: "sa/vacuum/vgpwr_s10.04"
+
+# --- sr/vacuum/vgpeb_s10.02 attribute properties
+
+
+# --- sr/vacuum/vgpeb_s11.01 properties
+
+sr/vacuum/vgpeb_s11.01->Channel: 1
+sr/vacuum/vgpeb_s11.01->polled_attr: state,\ 
+                                     1000,\ 
+                                     pressure,\ 
+                                     1000
+sr/vacuum/vgpeb_s11.01->Timeout: 2500
+sr/vacuum/vgpeb_s11.01->TpgDevice: "sa/vacuum/vgpwr_s10.04"
+sr/vacuum/vgpeb_s11.01->__SubDevices: "sa/vacuum/vgpwr_s10.04"
+
+# --- sr/vacuum/vgpeb_s11.01 attribute properties
+
+
+# --- sr/vacuum/vgpe_s09.10 properties
+
+sr/vacuum/vgpe_s09.10->Channel: 1
+sr/vacuum/vgpe_s09.10->polled_attr: state,\ 
+                                    1000,\ 
+                                    pressure,\ 
+                                    1000
+sr/vacuum/vgpe_s09.10->Timeout: 2500
+sr/vacuum/vgpe_s09.10->TpgDevice: "sa/vacuum/vgpwr_s10.01"
+sr/vacuum/vgpe_s09.10->__SubDevices: "sa/vacuum/vgpwr_s10.01"
+
+# --- sr/vacuum/vgpe_s09.10 attribute properties
+
+
+# --- sr/vacuum/vgpe_s10.04 properties
+
+sr/vacuum/vgpe_s10.04->Channel: 0
+sr/vacuum/vgpe_s10.04->polled_attr: state,\ 
+                                    1000,\ 
+                                    pressure,\ 
+                                    1000
+sr/vacuum/vgpe_s10.04->Timeout: 2500
+sr/vacuum/vgpe_s10.04->TpgDevice: "sa/vacuum/vgpwr_s10.03"
+sr/vacuum/vgpe_s10.04->__SubDevices: "sa/vacuum/vgpwr_s10.03"
+
+# --- sr/vacuum/vgpe_s10.04 attribute properties
+
+
+# --- sr/vacuum/vgpe_s10.05 properties
+
+sr/vacuum/vgpe_s10.05->Channel: 1
+sr/vacuum/vgpe_s10.05->polled_attr: state,\ 
+                                    1000,\ 
+                                    pressure,\ 
+                                    1000
+sr/vacuum/vgpe_s10.05->Timeout: 2500
+sr/vacuum/vgpe_s10.05->TpgDevice: "sa/vacuum/vgpwr_s10.03"
+sr/vacuum/vgpe_s10.05->__SubDevices: "sa/vacuum/vgpwr_s10.03"
+
+# --- sr/vacuum/vgpe_s10.05 attribute properties
+
+
+#---------------------------------------------------------
+# CLASS Vg properties
+#---------------------------------------------------------
+
+CLASS/Vg->cvs_location: "/home/cvsadm/cvsroot/booster/servers/vg/"
+CLASS/Vg->cvs_tag: release_02
+CLASS/Vg->Description: "Device delle singole teste di lettura collegate ad un tpg300"
+CLASS/Vg->doc_url: "http://www.esrf.fr/computing/cs/tango/tango_doc/ds_doc/"
+CLASS/Vg->helperApplication: "/runtime/elettra/bin/vg"
+CLASS/Vg->InheritedFrom: TANGO_BASE_CLASS
+CLASS/Vg->ProjectTitle: "Vacuum Gauge Server"
+
+# CLASS Vg attribute properties
+
+
+
+# --- dserver/vg-srv/vac_a10 properties
+
+dserver/vg-srv/vac_a10->polling_threads_pool_conf: "sr/vacuum/vgpeb_s09.02,sr/vacuum/vgpe_s09.10",\ 
+                                                   "sr/vacuum/vgpeb_s10.01",\ 
+                                                   "sr/vacuum/vgpeb_s10.02,sr/vacuum/vgpeb_s11.01",\ 
+                                                   "sr/vacuum/vgpe_s10.04,sr/vacuum/vgpe_s10.05"
+dserver/vg-srv/vac_a10->polling_threads_pool_size: 4