diff --git a/Documentation/aoe/mkdevs.sh b/Documentation/aoe/mkdevs.sh
new file mode 100644
index 0000000..6ce7070
--- /dev/null
+++ b/Documentation/aoe/mkdevs.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+n_shelves=${n_shelves:-10}
+n_partitions=${n_partitions:-16}
+
+if test "$#" != "1"; then
+	echo "Usage: sh `basename $0` {dir}" 1>&2
+	exit 1
+fi
+dir=$1
+
+MAJOR=152
+
+echo "Creating AoE devnode files in $dir ..."
+
+set -e
+
+mkdir -p $dir
+
+# (Status info is in sysfs.  See status.sh.)
+# rm -f $dir/stat
+# mknod -m 0400 $dir/stat c $MAJOR 1
+rm -f $dir/err
+mknod -m 0400 $dir/err c $MAJOR 2
+rm -f $dir/discover
+mknod -m 0200 $dir/discover c $MAJOR 3
+rm -f $dir/interfaces
+mknod -m 0200 $dir/interfaces c $MAJOR 4
+
+export n_partitions
+mkshelf=`echo $0 | sed 's!mkdevs!mkshelf!'`
+i=0
+while test $i -lt $n_shelves; do
+	sh -xc "sh $mkshelf $dir $i"
+	i=`expr $i + 1`
+done