Creates a log file for iostat data

gather_hdd_stats.sh

#! /usr/bin/env bash
# gather_hdd_stats.sh $(date +%F).log
# Every 5 seconds on the mod 5 pipe formatted iostat data to <file>
if [ $# -lt 1 ] ; then
  echo "usage: $0 <file>"
  exit -1
fi

outputfile="$1"

export S_TIME_FORMAT=ISO;

sleep $(/bin/date +'%-S' | /usr/bin/env awk '{print 5 - int($1%5)}');

while true; do
	/usr/bin/iostat -t -d -H -g hdds sda sdb | /usr/bin/env awk -f /home/dhking/bin/clean_iostat.awk >> ${outputfile}
	sleep $(/bin/date +'%-S' | /usr/bin/env awk '{print 5 - int($1%5)}');

done