linux两台服务器实现自动同步文件

[root@w-11 home]# tree shell
shell
├── logs ----目录
└── pull_170.sh ----脚本

#!/bin/bash
#pull_
#author:whz
#date:20200805
#不存在的变量终止脚本执行
set -o nounset
#执行出错终止脚本执行
set -o errexit
# define restricted path
PATH="/bin:/usr/bin:/sbin:/usr/sbin"
# adirname - return absolute dirname of given file
adirname() { odir=`pwd`; cd `dirname $1`; pwd; cd "${odir}"; }
MYNAM=`basename "$0"`
MYDIR=`adirname "$0"`
MYLOG_PATH="${MYDIR}/logs"
MYLOG="${MYLOG_PATH}/${MYNAM}_`date +%F`.log"
echo "`which rsync` -avtW --progress --delete root@172.17.166.10:/home/iis/ /home/iis/"  ${MYLOG}
`which rsync` -avtW --progress --delete root@172.17.166.10:/home/iis/ /home/iis/  ${MYLOG}
exit 0