环境为办公区为linux客户端，且没有raid卡做冗余，
crontab执行俩bash，synclogSize限制输出重定向log大小
#####* */1 * * * 每小时
crontab -e -u root
- */1 * * * bash ~/sync.sh
- */1 * * * bash ~/synclogSize.sh
——————sync.sh
#!/bin/bash
date >> sync.log
#增量保持权限同步
echo "#----------------------------rsync -av --delete /root /data/bak" >> sync.log
rsync -av --delete /root /data/bak >> sync.log
echo "#----------------------------rsync -av --delete /home /data/bak" >> sync.log
rsync -av --delete /home /data/bak >> sync.log
#递归比较差异
echo "#----------------------------diff -r /root/ /data/bak/root/" >> sync.log
diff -r /root/ /data/bak/root/ >> sync.log
echo "#----------------------------diff -r /root/ /data/bak/home/" >> sync.log
diff -r /home/ /data/bak/home/ >> sync.log
echo "#########################################" >> sync.log
——————synclogSize.sh
#!/bin/bash
filename=sync.log
filesize=`ls -l $filename | awk '{ print $5 }'`
maxsize=$((1000000000))
#maxsize=$((1500)) #单位:字节
if [ $filesize -gt $maxsize ]
then
#echo "$filesize > $maxsize" #大于
#mv media.log media"`date +%Y-%m-%d_%H:%M:%S`".log
echo > sync.log
#else
# echo "$filesize < $maxsize"
fi#!/bin/bash
filename=sync.log
filesize=`ls -l $filename | awk '{ print $5 }'`
maxsize=$((1000000000))
#maxsize=$((1500)) #单位:字节
if [ $filesize -gt $maxsize ]
then
#echo "$filesize > $maxsize" #大于
#mv media.log media"`date +%Y-%m-%d_%H:%M:%S`".log
echo > sync.log
#else
# echo "$filesize < $maxsize"
fi
