Backup into removable device using rsync

backup_files.sh

#!/bin/bash
############################################################################################
##### Script created by Romulo Grandini with my changes ####################################
##### (read the orginal script in 'backup_files_original.sh' file) #########################
##### Publication: http://www.vivaolinux.com.br/script/Backup-em-HD-Externa-com-Rsync  #####
############################################################################################
 
# USE
# ./backup_files.sh SRC DEST

SRC="$1"
DEST="$2"

LOG="/var/www/backup_logs/`date +%d-%m-%y | tr / -`.log"

echo "" >> $LOG
echo "" >> $LOG
echo "######################################" >> $LOG
echo "########      BACKUP FILES      #########" >> $LOG
echo "######################################" >> $LOG
echo "" >> $LOG
echo Initiating script................[OK] >> $LOG
echo Cleaning old logs................[OK] >> $LOG

# specific change to raspberry pi: Enable the high power USB mode
echo "" >> $LOG
echo "Enable the high power USB mode (1.2A)" >> $LOG
echo 38 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio38/direction
echo 1 > /sys/class/gpio/gpio38/value
 
# Search and remove logs older than 5 days
find /var/www/backup_logs -type f -mtime +5 -exec rm -rf {} ";"
 
umount -l $DEVICE

mount_attempts=0

echo "" >> $LOG
echo "Mounting of device  ..." >> $LOG

mount_device(){
	# Define /dev of removable device (To get the device of blkid use blkid as root in terminal)
	DEVICE=`/sbin/blkid |grep 61762bb5-c13b-4e8d-870a-48d982926e95 | awk -F: '{print $1}'`
	
	umount -l $DEVICE
	
	# Verify if device is mounted
	echo Executing: mount -t ext4 $DEVICE $DEST >> $LOG
	if mount -t ext4 $DEVICE $DEST
	then
	   {
	   echo "" >> $LOG
	   echo "DEVICE IS MOUNTED: Initiating the sync..." >> $LOG
	   echo "" >> $LOG
	   #rsync -auv --delete $SRC $DEST >> $LOG
	   rsync -auv $SRC $DEST >> $LOG
	   echo "" >> $LOG
	   echo "SUCCESS: BACKUP COMPLETED!" >> $LOG
	   }
	else
	   {
		   if [ $mount_attempts -lt 10 ]
		   then {
			$(( mount_attempts += 1 ))
			echo Attempt to mount: $mount_attempts of 10 ... >> $LOG
			sleep 15
			mount_device
			echo "" >> $LOG
		   }
		   else {
			echo "" >> $LOG
		   	echo "ERROR TO MOUNT THE REMOVABLE DEVICE: BACKUP CANCELLED!" >> $LOG
		   }
		   fi
	   }
	fi
}

mount_device

echo "End report." >> $LOG
umount -l $DEVICE
echo 0 > /sys/class/gpio/gpio38/value

backup_files_original.sh

#!/bin/bash
#####################################
#####        BACKUP v2.0        #####
#####  Romulo Grandini 06/03/12 #####
#####################################
 
# Dica de como agendar no cron para backup diario em tal horario
# 0 17 * * * /home/scripts/rbackup.sh
 
# DEFININDO VARIAVEIS
# Origens de Backup
ORIGEM1="/mnt/hd-1"
ORIGEM2="/mnt/hd-2"
 
 
# Destino de backups (Uma Hd Externa)
DESTINO="/mnt/backup"
 
# Caminho dos logs e nome por data
LOG="/var/www/backup_logs/`date +%d-%m-%y | tr / -`.log"
 
# Logs de leitura iniciais
echo "" >> $LOG
echo "" >> $LOG
echo "######################################" >> $LOG
echo "###                            BACKUP v2.0                         ###"
>> $LOG
echo "########      BACKUP AUTOMATIZADO      #########" >> $LOG
echo "######################################" >> $LOG
echo "" >> $LOG
echo Iniciando script................[OK] >> $LOG
echo Limpando logs antigos ..........[OK] >> $LOG
 
# Procura e remove logs com mais de 5 dias
find /var/www/backup_logs -type f -mtime +5 -exec rm -rf {} ";"
 
# Define o /dev da HD Externa (Para pegar o blkid do device use blkid como root
no terminal)
DEVICE=`/sbin/blkid |grep  10C83EF3C83ED6A5 | awk -F: '{print $1}'`
 
# Desmonta e monta a HD Externa
umount -l $DEVICE
 
# Verifica se HD esta montada ou nao
if mount -t ntfs-3g $DEVICE $DESTINO
then
   {
   # Se estiver montado, inicia a sincronia de Hd-1 e Hd-3 somente
   echo "" >> $LOG
   echo "HD EXTERNA OK: Iniciando a sincronia de discos..." >> $LOG
   echo "" >> $LOG
   rsync -auv --delete $ORIGEM1 $DESTINO >> $LOG
   rsync -auv --delete $ORIGEM2 $DESTINO >> $LOG
   echo "" >> $LOG
   echo "BACKUP REALIZADO COM SUCESSO!" >> $LOG
   }
else
  {
echo "" >> $LOG
echo "ERRO AO MONTAR HD EXTERNA: BACKUP CANCELADO!" >> $LOG
  }
fi
 
# Desmonta a HD ao finalizar
echo "Fim do Relatorio." >> $LOG
umount -l $DEVICE