diff --git a/plugins/disk/lvm_ b/plugins/disk/lvm_
index 0715aa01..588d3623 100755
--- a/plugins/disk/lvm_
+++ b/plugins/disk/lvm_
@@ -8,6 +8,12 @@
 #
 #       config   (required)
 #       autoconf (optional - used by munin-config)
+#	    suggest
+#
+# Needs to be run as root, so the following needs to be added to the config:
+# 
+#   [lvm_]
+#    user root
 #
 # $Log$
 #
@@ -15,13 +21,19 @@
 # scripts):
 #
 #%# family=auto
-#%# capabilities=autoconf
+#%# capabilities=autoconf suggest
 
 if [ "$1" = "autoconf" ]; then
         echo yes
         exit 0
 fi
 
+if [ "$1" = "suggest" ]; then
+	vgs -o vg_name --noheadings | sed -e 's/\ *//'
+	exit 0
+fi
+
+
 vg=`echo $0 | awk '{ sub(".*lvm_","",\$1); print \$1; }'`
 
 clean_name() {
@@ -32,7 +44,7 @@ clean_name() {
 if [ "$1" = "config" ]; then
 
         echo 'graph_title Logical Volume usage'
-        echo 'graph_args --base 1000 -l 0'
+        echo 'graph_args --base 1024 -l 0'
 #       echo 'graph_vlabel %'
         echo 'graph_category disk'
         echo 'graph_info This graph shows disk usage on the machine.'