diff --git a/lib/nova b/lib/nova
index b3a586c..1c1ab8c 100644
--- a/lib/nova
+++ b/lib/nova
@@ -39,6 +39,7 @@
 NOVA_CONF_DIR=/etc/nova
 NOVA_CONF=$NOVA_CONF_DIR/nova.conf
 NOVA_CELLS_CONF=$NOVA_CONF_DIR/nova-cells.conf
+NOVA_FAKE_CONF=$NOVA_CONF_DIR/nova-fake.conf
 NOVA_CELLS_DB=${NOVA_CELLS_DB:-nova_cell}
 
 NOVA_API_PASTE_INI=${NOVA_API_PASTE_INI:-$NOVA_CONF_DIR/api-paste.ini}
@@ -648,7 +649,7 @@
         service_port=$NOVA_SERVICE_PORT_INT
     fi
 
-    screen_it n-api "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-api"
+    run_process n-api "$NOVA_BIN_DIR/nova-api"
     echo "Waiting for nova-api to start..."
     if ! wait_for_service $SERVICE_TIMEOUT http://$SERVICE_HOST:$service_port; then
         die $LINENO "nova-api did not start"
@@ -670,18 +671,24 @@
 
     if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then
         # The group **$LIBVIRT_GROUP** is added to the current user in this script.
-        # Use 'sg' to execute nova-compute as a member of the **$LIBVIRT_GROUP** group.
-        screen_it n-cpu "cd $NOVA_DIR && sg $LIBVIRT_GROUP '$NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf'"
+        # sg' will be used in run_process to execute nova-compute as a member of the
+        # **$LIBVIRT_GROUP** group.
+        run_process n-cpu "$NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf" $LIBVIRT_GROUP
     elif [[ "$VIRT_DRIVER" = 'fake' ]]; then
         local i
         for i in `seq 1 $NUMBER_FAKE_NOVA_COMPUTE`; do
-            screen_it n-cpu "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf --config-file <(echo -e '[DEFAULT]\nhost=${HOSTNAME}${i}')"
+            # Avoid process redirection of fake host configurations by
+            # creating or modifying real configurations. Each fake
+            # gets its own configuration and own log file.
+            local fake_conf="${NOVA_FAKE_CONF}-${i}"
+            iniset $fake_conf DEFAULT nhost "${HOSTNAME}${i}"
+            run_process "n-cpu-${i}" "$NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf --config-file $fake_conf"
         done
     else
         if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then
             start_nova_hypervisor
         fi
-        screen_it n-cpu "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf"
+        run_process n-cpu "$NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf"
     fi
 }
 
@@ -694,25 +701,25 @@
         local compute_cell_conf=$NOVA_CONF
     fi
 
-    # ``screen_it`` checks ``is_service_enabled``, it is not needed here
-    screen_it n-cond "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-conductor --config-file $compute_cell_conf"
-    screen_it n-cell-region "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cells --config-file $api_cell_conf"
-    screen_it n-cell-child "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cells --config-file $compute_cell_conf"
+    # ``run_process`` checks ``is_service_enabled``, it is not needed here
+    run_process n-cond "$NOVA_BIN_DIR/nova-conductor --config-file $compute_cell_conf"
+    run_process n-cell-region "$NOVA_BIN_DIR/nova-cells --config-file $api_cell_conf"
+    run_process n-cell-child "$NOVA_BIN_DIR/nova-cells --config-file $compute_cell_conf"
 
-    screen_it n-crt "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cert --config-file $api_cell_conf"
-    screen_it n-net "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-network --config-file $compute_cell_conf"
-    screen_it n-sch "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-scheduler --config-file $compute_cell_conf"
-    screen_it n-api-meta "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-api-metadata --config-file $compute_cell_conf"
+    run_process n-crt "$NOVA_BIN_DIR/nova-cert --config-file $api_cell_conf"
+    run_process n-net "$NOVA_BIN_DIR/nova-network --config-file $compute_cell_conf"
+    run_process n-sch "$NOVA_BIN_DIR/nova-scheduler --config-file $compute_cell_conf"
+    run_process n-api-meta "$NOVA_BIN_DIR/nova-api-metadata --config-file $compute_cell_conf"
 
-    screen_it n-novnc "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-novncproxy --config-file $api_cell_conf --web $NOVNC_WEB_DIR"
-    screen_it n-xvnc "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-xvpvncproxy --config-file $api_cell_conf"
-    screen_it n-spice "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-spicehtml5proxy --config-file $api_cell_conf --web $SPICE_WEB_DIR"
-    screen_it n-cauth "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-consoleauth --config-file $api_cell_conf"
+    run_process n-novnc "$NOVA_BIN_DIR/nova-novncproxy --config-file $api_cell_conf --web $NOVNC_WEB_DIR"
+    run_process n-xvnc "$NOVA_BIN_DIR/nova-xvpvncproxy --config-file $api_cell_conf"
+    run_process n-spice "$NOVA_BIN_DIR/nova-spicehtml5proxy --config-file $api_cell_conf --web $SPICE_WEB_DIR"
+    run_process n-cauth "$NOVA_BIN_DIR/nova-consoleauth --config-file $api_cell_conf"
 
     # Starting the nova-objectstore only if swift3 service is not enabled.
     # Swift will act as s3 objectstore.
     is_service_enabled swift3 || \
-        screen_it n-obj "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-objectstore --config-file $api_cell_conf"
+        run_process n-obj "$NOVA_BIN_DIR/nova-objectstore --config-file $api_cell_conf"
 }
 
 function start_nova {
@@ -721,7 +728,7 @@
 }
 
 function stop_nova_compute {
-    screen_stop n-cpu
+    stop_process n-cpu
     if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then
         stop_nova_hypervisor
     fi
@@ -732,7 +739,7 @@
     # Some services are listed here twice since more than one instance
     # of a service may be running in certain configs.
     for serv in n-api n-crt n-net n-sch n-novnc n-xvnc n-cauth n-spice n-cond n-cell n-cell n-api-meta n-obj; do
-        screen_stop $serv
+        stop_process $serv
     done
 }