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/sbin/aoe-mkshelf is in aoetools 36-1.

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The actual contents of the file can be viewed below.

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#! /bin/sh
# aoe-mkshelf - device nodes for one shelf without udev
# Copyright 2009, CORAID, Inc., and licensed under GPL v.2.

zero=`basename $0`

if test "$#" != "2"; then
	echo "Usage: $zero {dir} {shelfaddress}" 1>&2
	echo "       n_partitions=16 $zero {dir} {shelfaddress}" 1>&2
	exit 1
fi
dyn=/sys/module/aoe/parameters/aoe_dyndevs
if test -r "$dyn" && test "`cat $dyn`" = 1; then
	cat 1>&2 <<EOF
$zero Error: aoe module is using dynamic devices.
$zero: Please see the aoe-mkshelf manpage.
$zero: Exiting.
EOF
	exit 1
fi
if test "`ps axwwww | grep 'udev[d]'`" || test -d "/run/udev" || test -d "/dev/.udev"; then
	cat 1>&2 <<EOF
$zero Error: udev detected.  You shouldn't need to use $zero.
$zero: Please see the aoe-mkshelf manpage.
$zero: Exiting.
EOF
	exit 1
fi

n_partitions=${n_partitions:-16}
dir=$1
shelf=$2
nslots=16
maxslot=$(($nslots - 1))
MAJOR=152

set -e

minor=$(($nslots * $shelf * $n_partitions))
endp=$(($n_partitions - 1))
for slot in `seq 0 $maxslot`; do
	for part in `seq 0 $endp`; do
		name=e$shelf.$slot
		test "$part" != "0" && name=${name}p$part
		rm -f $dir/$name
		mknod -m 0660 $dir/$name b $MAJOR $minor

		minor=`expr $minor + 1`
	done
done