diff --git a/daemons/lvmdbusd/background.py b/daemons/lvmdbusd/background.py
index f7f77d586..90e8b6881 100644
--- a/daemons/lvmdbusd/background.py
+++ b/daemons/lvmdbusd/background.py
@@ -9,12 +9,13 @@
 
 import subprocess
 from . import cfg
-from .cmdhandler import options_to_cli_args
+from .cmdhandler import options_to_cli_args, LvmExecutionMeta
 import dbus
 from .utils import pv_range_append, pv_dest_ranges, log_error, log_debug,\
 	add_no_notify
 import os
 import threading
+import time
 
 
 def pv_move_lv_cmd(move_options, lv_full_name,
@@ -47,6 +48,11 @@ def _move_merge(interface_name, command, job_state):
 	# Instruct lvm to not register an event with us
 	command = add_no_notify(command)
 
+	#(self, start, ended, cmd, ec, stdout_txt, stderr_txt)
+	meta = LvmExecutionMeta(time.time(), 0, command, -1000, None, None)
+
+	cfg.blackbox.add(meta)
+
 	process = subprocess.Popen(command, stdout=subprocess.PIPE,
 								env=os.environ,
 								stderr=subprocess.PIPE, close_fds=True)
@@ -74,6 +80,11 @@ def _move_merge(interface_name, command, job_state):
 
 	out = process.communicate()
 
+	with meta.lock:
+		meta.ended = time.time()
+		meta.ec = process.returncode
+		meta.stderr_txt = out[1]
+
 	if process.returncode == 0:
 		job_state.Percent = 100
 	else:
diff --git a/daemons/lvmdbusd/cmdhandler.py b/daemons/lvmdbusd/cmdhandler.py
index a883f1e43..4fb1670a9 100644
--- a/daemons/lvmdbusd/cmdhandler.py
+++ b/daemons/lvmdbusd/cmdhandler.py
@@ -37,6 +37,7 @@ cmd_lock = threading.RLock()
 class LvmExecutionMeta(object):
 
 	def __init__(self, start, ended, cmd, ec, stdout_txt, stderr_txt):
+		self.lock = threading.RLock()
 		self.start = start
 		self.ended = ended
 		self.cmd = cmd
@@ -45,12 +46,13 @@ class LvmExecutionMeta(object):
 		self.stderr_txt = stderr_txt
 
 	def __str__(self):
-		return "EC= %d for %s\n" \
-			"STARTED: %f, ENDED: %f\n" \
-			"STDOUT=%s\n" \
-			"STDERR=%s\n" % \
-			(self.ec, str(self.cmd), self.start, self.ended, self.stdout_txt,
-			self.stderr_txt)
+		with self.lock:
+			return "EC= %d for %s\n" \
+				"STARTED: %f, ENDED: %f\n" \
+				"STDOUT=%s\n" \
+				"STDERR=%s\n" % \
+				(self.ec, str(self.cmd), self.start, self.ended, self.stdout_txt,
+				self.stderr_txt)
 
 
 class LvmFlightRecorder(object):