在cron里设置,每周一凌晨2点执行(每周一全备份,其余时间增量备份)

#vi backup.sh

#!/bin/bash

# define
dayofweek=`date "+%u"`
today
=`date "+%Y%m%d"`
source
=/data/
backup
=/backup/

# action
cd $backup

if [ $dayofweek -eq 1 ]; then
  
if [ ! -f "full$today.tar.gz" ]; then
    rm 
-rf snapshot
    tar 
-g snapshot -zcf "full$today.tar.gz" $source --exclude $sourceserver.log
  fi
else
  
if [ ! -f "inc$today.tar.gz" ]; then
    tar 
-g snapshot -zcf "inc$today.tar.gz" $source --exclude $sourceserver.log
  fi
fi

 

 

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