--- halt.orig	2004-03-04 17:28:34 +0300
+++ halt.orig	2005-04-14 09:34:09 +0400
@@ -126,6 +126,14 @@ 
 
 action "Unmounting proc filesystem:" umount -n /proc
 
+# Deactivate LVM groups
+VGCHANGE=/sbin/vgchange
+if [ -x "$VGCHANGE" -a -s /etc/lvmtab ]; then
+	action "Attempting to deactivate LVM" "$VGCHANGE" -an
+	message="The system is halted"
+	command=/sbin/poweroff
+fi
+
 # See if this is a powerfail situation.
 UPSCTL=/etc/apcupsd/apccontrol
 if [ -x "$UPSCTL" -a -f /etc/apcupsd/powerfail ]; then