diff --git a/check_ceph_status b/check_ceph_status
index 2d29cd2..a291789 100755
--- a/check_ceph_status
+++ b/check_ceph_status
@@ -188,76 +188,76 @@ ceph_cmd.append('--format=json')
 p = subprocess.Popen(ceph_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 output, err = p.communicate()
 
-if output:
-    data = json.loads(output.decode(sys.getdefaultencoding()))
-
-    status = 'OK'
-
-    health = data['health'].get('status', data['health'].get('overall_status'))
-    if not health:
-        print("UNKNOWN : fail to retreive health status")
-        sys.exit(STATUS['UNKNOWN'])
-    if health == 'HEALTH_WARN':
-        status = 'WARNING'
-    elif health == 'HEALTH_CRIT':
-        status = 'CRITICAL'
-
-    total_mon = data['monmap'].get('num_mons', len(data['monmap'].get('mons', [])))
-    if not total_mon:
-        print("UNKNOWN : fail to retreive total number of monitors")
-        sys.exit(STATUS['UNKNOWN'])
-    total_mon_up = len(data.get('quorum', data['health'].get('timechecks', dict()).get('mons', [])))
-    if not total_mon_up:
-        print("UNKNOWN : fail to retreive total number of UP monitors")
-        sys.exit(STATUS['UNKNOWN'])
-
-    num_lost_mon = total_mon-total_mon_up
-    if num_lost_mon == 0:
-        monstate = "(MONs UP : %s/%s)" % (total_mon_up, total_mon)
-    else:
-        monstate = "%s MONs down (MONs UP : %s/%s)" % (num_lost_mon, total_mon_up, total_mon)
-        if num_lost_mon >= options.critlostmon:
-            status = 'CRITICAL'
-        elif num_lost_mon >= options.warnlostmon and status != 'CRITICAL':
-            status = 'WARNING'
-
-    total_osd = data['osdmap'].get('osdmap', data['osdmap']).get('num_osds')
-    if total_osd is None:
-        print("UNKNOWN : fail to retreive total number of OSD")
-        sys.exit(STATUS['UNKNOWN'])
-    total_osd_up = data['osdmap'].get('osdmap', data['osdmap']).get('num_up_osds')
-    if total_osd_up is None:
-        print("UNKNOWN : fail to retreive total number of UP OSD")
-        sys.exit(STATUS['UNKNOWN'])
-
-    num_lost_osd = total_osd - total_osd_up
-
-    if num_lost_osd >= options.critlostosd:
-        status = 'CRITICAL'
-    elif num_lost_osd >= options.warnlostosd and status != 'CRITICAL':
-        status = 'WARNING'
-
-    total_pg = data['pgmap']['num_pgs']
-    pgstate = ""
-    for st in data['pgmap']['pgs_by_state']:
-        if re.search('(down|inconsistent|imcomplete|stale)', st['state_name'], re.IGNORECASE):
-            status = 'CRITICAL'
-            pgstate = "%s / %s PGs %s" % (pgstate, st['count'], st['state_name'])
-        elif re.search('(replay|degraded|repair|recovering|backfill)', st['state_name'], re.IGNORECASE):
-            if status != 'CRITICAL':
-                status = "WARNING"
-            pgstate = "%s / %s PGs %s" % (pgstate, st['count'], st['state_name'])
-        elif st['state_name'] == "active+clean":
-            pgstate = "%s / %s/%s PGs active+clean" % (pgstate, st['count'], total_pg)
-
-    msg = "%s : %s%s %s" % (status, health, pgstate, monstate)
-
-
-    if num_lost_osd == 0:
-        print("%s (OSDs UP : %s/%s)" % (msg, total_osd_up, total_osd))
-    else:
-        print("%s / %s OSDs down (OSDs UP : %s/%s)" % (msg, num_lost_osd, total_osd_up, total_osd))
-    sys.exit(STATUS[status])
-else:
+if not output:
     print("UNKNOWN : fail to execute ceph status command")
     sys.exit(STATUS['UNKNOWN'])
+
+data = json.loads(output.decode(sys.getdefaultencoding()))
+
+status = 'OK'
+
+health = data['health'].get('status', data['health'].get('overall_status'))
+if not health:
+    print("UNKNOWN : fail to retreive health status")
+    sys.exit(STATUS['UNKNOWN'])
+if health == 'HEALTH_WARN':
+    status = 'WARNING'
+elif health == 'HEALTH_CRIT':
+    status = 'CRITICAL'
+
+total_mon = data['monmap'].get('num_mons', len(data['monmap'].get('mons', [])))
+if not total_mon:
+    print("UNKNOWN : fail to retreive total number of monitors")
+    sys.exit(STATUS['UNKNOWN'])
+total_mon_up = len(data.get('quorum', data['health'].get('timechecks', dict()).get('mons', [])))
+if not total_mon_up:
+    print("UNKNOWN : fail to retreive total number of UP monitors")
+    sys.exit(STATUS['UNKNOWN'])
+
+num_lost_mon = total_mon-total_mon_up
+if num_lost_mon == 0:
+    monstate = "(MONs UP : %s/%s)" % (total_mon_up, total_mon)
+else:
+    monstate = "%s MONs down (MONs UP : %s/%s)" % (num_lost_mon, total_mon_up, total_mon)
+    if num_lost_mon >= options.critlostmon:
+        status = 'CRITICAL'
+    elif num_lost_mon >= options.warnlostmon and status != 'CRITICAL':
+        status = 'WARNING'
+
+total_osd = data['osdmap'].get('osdmap', data['osdmap']).get('num_osds')
+if total_osd is None:
+    print("UNKNOWN : fail to retreive total number of OSD")
+    sys.exit(STATUS['UNKNOWN'])
+total_osd_up = data['osdmap'].get('osdmap', data['osdmap']).get('num_up_osds')
+if total_osd_up is None:
+    print("UNKNOWN : fail to retreive total number of UP OSD")
+    sys.exit(STATUS['UNKNOWN'])
+
+num_lost_osd = total_osd - total_osd_up
+
+if num_lost_osd >= options.critlostosd:
+    status = 'CRITICAL'
+elif num_lost_osd >= options.warnlostosd and status != 'CRITICAL':
+    status = 'WARNING'
+
+total_pg = data['pgmap']['num_pgs']
+pgstate = ""
+for st in data['pgmap']['pgs_by_state']:
+    if re.search('(down|inconsistent|imcomplete|stale)', st['state_name'], re.IGNORECASE):
+        status = 'CRITICAL'
+        pgstate = "%s / %s PGs %s" % (pgstate, st['count'], st['state_name'])
+    elif re.search('(replay|degraded|repair|recovering|backfill)', st['state_name'], re.IGNORECASE):
+        if status != 'CRITICAL':
+            status = "WARNING"
+        pgstate = "%s / %s PGs %s" % (pgstate, st['count'], st['state_name'])
+    elif st['state_name'] == "active+clean":
+        pgstate = "%s / %s/%s PGs active+clean" % (pgstate, st['count'], total_pg)
+
+msg = "%s : %s%s %s" % (status, health, pgstate, monstate)
+
+
+if num_lost_osd == 0:
+    print("%s (OSDs UP : %s/%s)" % (msg, total_osd_up, total_osd))
+else:
+    print("%s / %s OSDs down (OSDs UP : %s/%s)" % (msg, num_lost_osd, total_osd_up, total_osd))
+sys.exit(STATUS[status])