#!/bin/bash

#
# This script will process each mounted dataVG file system and attempt to 
# identify duplicate files and replace them with hardlinks
#

dt=$(date '+%Y%m%d')
pth="/var/log/hardlink/${dt}"

mkdir -p ${pth}

mount  | grep dataVG | awk '{print $3}' | sort -r  | while read fs
 do
    nw=$(date '+%Y%m%d %H:%M:%S')
    echo "[${nw}] Processing ${fs}"
    spc=$(df -P ${fs} | tail -1 | awk '{print $2,$3,$4,$5}')
    ind=$(df -Pi ${fs} | tail -1 | awk '{print $2,$3,$4,$5}')
    name=$(basename ${fs})
    echo "${name} ${spc} ${ind}" > ${pth}/${name}
    hardlink -v ${fs} &>> ${pth}/${name}
    spc=$(df -P ${fs} | tail -1 | awk '{print $2,$3,$4,$5}')
    ind=$(df -Pi ${fs} | tail -1 | awk '{print $2,$3,$4,$5}')
    echo "${name} ${spc} ${ind}" >> ${pth}/${name}
 done