diff --git a/backup-usb b/backup-usb
index cb2749f..a3840c7 100755
--- a/backup-usb
+++ b/backup-usb
@@ -17,26 +17,49 @@ MAIL_FROM=root@localhost
 MAIL_TO=root@localhost
 
 function usage() {
-	echo "Usage : backup-usb [-d] [-c] [-l /path/to/log.file] [-u /dev/sdX]"
+	echo "Usage : backup-usb [-d] [-s|-c|-f|-o] [-l /path/to/log.file] [-u /dev/sdX]"
 	echo " -d	Debug mode"
-	echo " -c	Clean mode"
+	echo " -d	Status mode : print status mode"
+	echo " -c	Clean status mode : try to :"
+	echo "   	 - umount device and BackupPC-FS"
+	echo "   	 - close LUKS device"
+	echo "   	 - remove lock file"
+	echo " -f	FSCK mode : Run FSCK on device"
+	echo " -o	Open mode : lock, open and mount device"
 	echo " -l	Log file path"
 	echo " -u	Path of USB disk device"
 }
 
 DEBUG=0
+SEND_MAIL=1
+STATUS_MODE=0
 CLEAN_MODE=0
+FSCK_MODE=0
+OPEN_MODE=0
 LOG=""
 DEVICE=""
 
-while getopts ":dcl:u:h" opt
+while getopts ":dscfol:u:h" opt
 do
 	case "$opt" in
 		d)
 			DEBUG=1
 		;;
+		s)
+			STATUS_MODE=1
+			SEND_MAIL=0
+		;;
 		c)
 			CLEAN_MODE=1
+			SEND_MAIL=0
+		;;
+		f)
+			FSCK_MODE=1
+			SEND_MAIL=0
+		;;
+		o)
+			OPEN_MODE=1
+			SEND_MAIL=0
 		;;
 		l)
 			LOG="$OPTARG"
@@ -64,6 +87,7 @@ function is_mount () {
 }
 
 function send_mail () {
+	[ $SEND_MAIL -eq 0 ] && return
 	echo -e "$2"|mail -s "$1" -r "$MAIL_FROM" "$MAIL_TO"
 }
 
@@ -81,7 +105,7 @@ function debug () {
 	then
 		beep -f 300 -l 2000
 	fi
-	if [ "$3" == "send" ]
+	if [ "$3" == "send" -a $SEND_MAIL -ne 0 ]
 	then
 		if [ -z "$LOG" ]
 		then
@@ -94,6 +118,7 @@ function debug () {
 }
 
 function send_report () {
+	[ $DEBUG -eq 1 -o $SEND_MAIL -eq 0 ] && return 0
 	[ -n "$REPORT_DF_START" ] && REPORT="${REPORT}\n\n${REPORT_DF_START}"
 	[ -n "$REPORT_DF_END" ] && REPORT="${REPORT}\n\n${REPORT_DF_END}"
 	if [ "$1" == "error" ]
@@ -112,8 +137,7 @@ function disk_info() {
 	echo "$VENDOR $SIZE / UUID : $UUID"|sed 's/ \+/ /g'
 }
 
-function backup() {
-	debug INFO "Début de l'export des sauvegardes Backup PC sur le disque USB $DEVICE ($( disk_info ))" send
+function checkAndLock() {
 	if [ -f $LOCK_FILE ]
 	then
 		debug ERREUR "Le fichier de lock est toujours présent ($LOCK_FILE)." send
@@ -122,8 +146,14 @@ function backup() {
 	fi
 	debug INFO "Dépot du fichier de lock."
 	echo $$ > $LOCK_FILE
-	beep -f 1000 -r 2 -l 100
+}
 
+function unlock() {
+	debug INFO "Suppression du fichier de lock"
+	rm -f $LOCK_FILE
+}
+
+function openDevice() {
 	if [ -e $LUKS_DM_PATH ]
 	then
 		debug ERREUR "Le device $LUKS_DM_NAME existe deja ($LUKS_DM_PATH)." send
@@ -142,8 +172,9 @@ function backup() {
 	else
 		debug INFO "Fait."
 	fi
+}
 
-
+function mountDevice() {
 	if [ `is_mount $LUKS_DM_PATH` -eq 1 ]
 	then
 		debug ERREUR "Le disque est déjà monté" send
@@ -160,6 +191,99 @@ function backup() {
 		debug HALT
 		exit 1
 	fi
+}
+
+function closeDevice() {
+	debug INFO "Fermeture du disque LUKS..."
+	cryptsetup close $LUKS_DM_NAME
+	RES=$?
+	if [ $RES -ne 0 ]
+	then
+		debug ERREUR "Problème durant la fermeture du disque LUKS" send
+		debug HALT
+		send_report error
+		exit 1
+	fi
+}
+
+function statusMode () {
+	if [ -f $LOCK_FILE ]
+	then
+		debug INFO "Fichier de lock present"
+		if [ $( ps xa|grep rsync|grep -c "$BACKUPPCFS_MNT" ) -gt 0 ]
+		then
+			debug INFO "Un export de sauvegarde est en cours (commande rsync détectée)"
+		else
+			debug ERREUR "Aucun export de sauvegarde détecté (pas de commande rsync détectée).\n\nSi le problème predure depuis plusieurs limite, lancer la commande '$0 -c'"
+		fi
+	else
+		debug INFO "Fichier de lock absent"
+	fi
+	if [ -e $LUKS_DM_PATH ]
+	then
+		debug INFO "Disque LUKS ouvert"
+		if [ `is_mount $LUKS_DM_PATH` -eq 1 ]
+		then
+			debug INFO "Disque LUKS monté"
+			df -h $LUKS_DM_PATH
+		else
+			debug INFO "Disque LUKS non-monté"
+		fi
+	else
+		debug INFO "Disque LUKS non-ouvert"
+	fi
+	if [ `is_mount $BACKUPPCFS_MNT` -eq 1 ]
+	then
+		debug INFO "BackupPC-FS monté"
+	else
+		debug INFO "BackupPC-FS non-monté"
+	fi
+}
+
+function cleanMode () {
+	umount $MNT_DIR
+	cryptsetup close $LUKS_DM_NAME
+	umount $BACKUPPCFS_MNT
+	rm -f $LOCK_FILE
+}
+
+function fsckMode() {
+	debug INFO "Début du test FSCK du disque USB $DEVICE ($( disk_info ))"
+	checkAndLock
+	beep -f 1000 -r 2 -l 100
+
+	openDevice
+
+	fsck $LUKS_DM_PATH
+	RET=$?
+
+	if [ $RET -eq 0 ]
+	then
+		closeDevice
+		unlock
+	fi
+	exit $RET
+}
+
+function openMode() {
+	debug INFO "Ouverture et montage du disque USB $DEVICE ($( disk_info ))"
+	checkAndLock
+	beep -f 1000 -r 2 -l 100
+
+	openDevice
+
+	mountDevice
+	exit 0
+}
+
+function exportBackupMode() {
+	debug INFO "Début de l'export des sauvegardes Backup PC sur le disque USB $DEVICE ($( disk_info ))" send
+	checkAndLock
+	beep -f 1000 -r 2 -l 100
+
+	openDevice
+
+	mountDevice
 	debug INFO "Disque monté. Espace sur le disque USB avant l'export :\n\n$( df -hP $MNT_DIR )\n"
 
 	debug INFO "Montage de BackupPC FS..."
@@ -224,53 +348,25 @@ function backup() {
 		debug INFO "Fait."
 	fi
 
-	debug INFO "Fermeture du disque LUKS..."
-	cryptsetup close $LUKS_DM_NAME
-	RES=$?
-	if [ $RES -ne 0 ]
-	then
-		debug ERREUR "Problème durant la fermeture du disque LUKS" send
-		debug HALT
-		send_report error
-		exit 1
-	fi
+	closeDevice
 
-	debug INFO "Suppression du fichier de lock"
-	rm -f $LOCK_FILE
+	unlock
 
 	debug INFO "Fin de l'export."
 	send_report
 	beep -f 1000 -l 2000
 }
 
-function clean () {
-	umount $MNT_DIR
-	cryptsetup close $LUKS_DM_NAME
-	umount $BACKUPPCFS_MNT
-	rm -f $LOCK_FILE
-}
 
-# Manage clean mode
-if [ "$CLEAN_MODE" == "1" ]
+# Manage status/clean mode
+if [ "$STATUS_MODE" == "1" ]
 then
-	clean
+	statusMode
 	exit 0
-fi
-
-# Else : we are in backup mode
-
-if [ -n "$LOG" ]
+elif [ "$CLEAN_MODE" == "1" ]
 then
-	# Close STDOUT file descriptor
-	exec 1<&-
-	# Close STDERR FD
-	exec 2<&-
-	
-	# Open STDOUT as $LOG file for read and write.
-	exec 1<>$LOG
-	
-	# Redirect STDERR to STDOUT
-	exec 2>&1
+	cleanMode
+	exit 0
 fi
 
 if [ -z "$DEVICE" ]
@@ -278,6 +374,30 @@ then
 	debug FATAL "Il faut specifié le disque USB avec le paramètre -u !"
 	usage
 	exit 1
-fi
+elif [ "$FSCK_MODE" == "1" ]
+then
+	fsckMode
+	exit $?
+elif [ "$OPEN_MODE" == "1" ]
+then
+	openMode
+	exit $?
+else
+	# Else : we are in backup mode
 
-backup
+	if [ -n "$LOG" ]
+	then
+		# Close STDOUT file descriptor
+		exec 1<&-
+		# Close STDERR FD
+		exec 2<&-
+
+		# Open STDOUT as $LOG file for read and write.
+		exec 1<>$LOG
+
+		# Redirect STDERR to STDOUT
+		exec 2>&1
+	fi
+
+	exportBackupMode
+fi