Для резрвного копирования /data/backup следует использовать NAS систему Скрипт на NAS

[Bill@NAS-BSA backup]$ cat ./a
#!/bin/bash

BACKUPDIR=/share/homes/Bill/backup
LEAVE_DAY=7

echo "---------------------"  >> $BACKUPDIR/client_backup.log
echo $(date +"%d-%m-%Y  %T") START  >> $BACKUPDIR/client_backup.log

/usr/bin/rsync -aze "ssh -p 22" --progress bill@192.168.0.7:/data/backup/ $BACKUPDIR

# Delete files from persistant backup directory more than $LEAVE_DAY days from persist directory
find ${BACKUPDIR}/day -type f -mtime +$LEAVE_DAY -exec rm {} \;
# For QNAP NAS system
# xargs rm -f <<< $(find ${BACKUPDIR}/day -type f -mtime +${LEAVE_DAY})
echo "$(date +"%Y-%m-%d %H:%M:%S") Delete files in ${BACKUPDIR}/day more than $LEAVE_DAY days" >> ${LOGFILE}

echo $(date +"%d-%m-%Y  %T") Finish >> $BACKUPDIR/client_backup.log
echo "---------------------"  >> $BACKUPDIR/client_backup.log

echo " "  >> $BACKUPDIR/client_backup.log