linux自動備份shell(使用全備份,增量備份策略)__linux

zz http://www.cnblogs.com/coffee_cn/archive/2010/03/26/1697038.html

在cron裡設定,每周一淩晨2點執行(每周一全備份,其餘時間增量備份) #vi backup.sh

#!/bin/bash# definedayofweek=`date "+%u"`today=`date "+%Y%m%d"`source=/data/backup=/backup/# actioncd $backupif [ $dayofweek -eq 1 ]; then　　if [ ! -f "full$today.tar.gz" ]; then　　　　rm -rf snapshot　　　　tar -g snapshot -zcf "full$today.tar.gz" $source --exclude $sourceserver.log　　fielse　　if [ ! -f "inc$today.tar.gz" ]; then　　　　tar -g snapshot -zcf "inc$today.tar.gz" $source --exclude $sourceserver.log　　fifi