#!/bin/sh -e

. aux.sh

stripe_create()
{
	providers=${1}

	name="stest"

	gstripe create ${name} ${providers}

	echo /dev/stripe/${name}
}

stripe_destroy()
{
	full_path=${1}

	gstripe destroy `basename ${full_path}`
}

# main

single_speed=`dev_read_speed /dev/ggate1\`mkid 0\` 3`
#single_speed=1048576

providers_cnt=2
while [ ${providers_cnt} -le 17 ] ; do

	speed=`raid_speed ${providers_cnt} stripe_create stripe_destroy`
	exp=$((${providers_cnt} * ${single_speed}))
	drive_avg=$((${speed} / ${providers_cnt}))
	percent=`echo "scale=1 ; 100 * ${speed} / ${exp}" |bc -q`

	printf "%2d disks: %8d b/s (exp %8d), avg disk load: %7d (%5.1f%%)\n" \
		${providers_cnt} \
		${speed} \
		${exp} \
		${drive_avg} \
		${percent}

	providers_cnt=$((${providers_cnt} + 1))
done

# EOF