#!/bin/bash
#
# Use the EVMS CLI to create an LVM region.

group=$1	# Just base-name (no lvm/)
name=$2
size=$3		# In MB
stripes=$4	# Optional. Defaults to 1
stripe_size=$5	# Optional. Defaults to 16k

if [ -z $size ]; then
	echo "USAGE: `basename $0` container_name region_name size [stripes] [stripe_size]"
	exit 1
fi

if [ -z $stripes ]; then
	stripes=1
	stripe_size_opt=""
else
	if [ -z $stripe_size ]; then
		stripe_size=16
	fi
	stripe_size_opt=",stripe_size=${stripe_size}kB"
fi

evms -s << EOF > /dev/null
allocate:lvm/${group}/Freespace,name=${name},size=${size}MB,stripes=${stripes}${stripe_size_opt}
EOF

