本文轉(zhuǎn)自：http://hi.baidu.com/visual_art/item/6713e2091b41ea33a2332a15

#!/bin/bash

#This is a ShellScript For Auto DB Backup

#Powered by SearchDatabase

#2005-09

#Setting

#配置數(shù)據(jù)庫名，數(shù)據(jù)庫登錄名，密碼，備份路徑，日志路徑，數(shù)據(jù)文檔位置，連同備份方式

#默認(rèn)情況下備份方式是tar，還能夠是mysqldump,mysqldotcopy

#默認(rèn)情況下，用root(空)登錄mysql數(shù)據(jù)庫，備份至/root/dbxxxxx.tgz

DBName=mysql

DBUser=root

DBPasswd=

BackupPath=/root/

LogFile=/root/db.log

DBPath=/var/lib/mysql/

#BackupMethod=mysqldump

#BackupMethod=mysqlhotcopy

#BackupMethod=tar

#Setting End

NewFile=”$BackupPath”db$(date %y%m%d).tgz

DumpFile=”$BackupPath”db$(date %y%m%d)

OldFile=”$BackupPath”db$(date %y%m%d –date=’5 days ago’).tgz

echo “——————————————-” >> $LogFile

echo $(date “%y-%m-%d %H:%M:%S”) >> $LogFile

echo “————————–” >> $LogFile

#Delete Old File

if [ -f $OldFile ]

then

rm -f $OldFile >> $LogFile 2>&1

echo “[$OldFile]Delete Old File Success!” >> $LogFile

else

echo “[$OldFile]No Old Backup File!” >> $LogFile

fi

if [ -f $NewFile ]

then

echo “[$NewFile]The Backup File is exists,Can’t Backup!” >> $LogFile

else

case $BackupMethod in

mysqldump)

if [ -z $DBPasswd ]

then

mysqldump -u $DBUser –opt $DBName > $DumpFile

else

mysqldump -u $DBUser -p$DBPasswd –opt $DBName > $DumpFile

fi

tar czvf $NewFile $DumpFile >> $LogFile 2>&1

echo “[$NewFile]Backup Success!” >> $LogFile

rm -rf $DumpFile

;;

mysqlhotcopy)

rm -rf $DumpFile

mkdir $DumpFile

if [ -z $DBPasswd ]

then

mysqlhotcopy -u $DBUser $DBName $DumpFile >> $LogFile 2>&1

else

mysqlhotcopy -u $DBUser -p $DBPasswd $DBName $DumpFile >>$LogFile 2>&1

fi

tar czvf $NewFile $DumpFile >> $LogFile 2>&1

echo “[$NewFile]Backup Success!” >> $LogFile

rm -rf $DumpFile

;;

*)

/etc/init.d/mysqld stop >/dev/null 2>&1

tar czvf $NewFile $DBPath$DBName >> $LogFile 2>&1

/etc/init.d/mysqld start >/dev/null 2>&1

echo “[$NewFile]Backup Success!” >> $LogFile

;;

esac

fi

echo “——————————————-” >> $LogFile

還可以參考：定時(shí)每天備份mysql并定時(shí)刪除上月記錄(腳本)

可以將這個(gè)腳本放進(jìn)crontab，每天凌晨執(zhí)行一次，自動(dòng)備份 這個(gè)腳本每天最多只執(zhí)行一次，而且只保留最近五天的備份在服務(wù)器上。

#!/bin/bash

#This is a ShellScript For Auto DB Backup

#Powered by aspbiz

#2004-09

#Setting

#設(shè)置數(shù)據(jù)庫名，數(shù)據(jù)庫登錄名，密碼，備份路徑，日志路徑，數(shù)據(jù)文件位置，

#以及備份方式

#默認(rèn)情況下備份方式是tar，還可以是mysqldump,mysqldotcopy

#默認(rèn)情況下，用root(空)登錄mysql數(shù)據(jù)庫，備份至/root/dbxxxxx.tgz

DBName=mysql

DBUser=root

DBPasswd=

BackupPath=/root/

LogFile=/root/db.log

DBPath=/var/lib/mysql/

#BackupMethod=mysqldump

#BackupMethod=mysqlhotcopy

#BackupMethod=tar

#Setting End

NewFile=”$BackupPath”db$(date +%y%m%d).tgz

DumpFile=”$BackupPath”db$(date +%y%m%d)

OldFile=”$BackupPath”db$(date +%y%m%d –date=’5 days ago’).tgz

echo “——————————————-” >> $LogFile

echo $(date +”%y-%m-%d %H:%M:%S”) >> $LogFile

echo “————————–” >> $LogFile

#Delete Old File

if [ -f $OldFile ]

then

rm -f $OldFile >> $LogFile 2>&1

echo “[$OldFile]Delete Old File Success!” >> $LogFile

else

echo “[$OldFile]No Old Backup File!” >> $LogFile

fi

if [ -f $NewFile ]

then

echo “[$NewFile]The Backup File is exists,Can’t Backup!” >> $LogFile

else

case $BackupMethod in

mysqldump)

if [ -z $DBPasswd ]

then

mysqldump -u $DBUser –opt $DBName > $DumpFile

else

mysqldump -u $DBUser -p$DBPasswd –opt $DBName > $DumpFile

fi

tar czvf $NewFile $DumpFile >> $LogFile 2>&1

echo “[$NewFile]Backup Success!” >> $LogFile

rm -rf $DumpFile

;;

mysqlhotcopy)

rm -rf $DumpFile

mkdir $DumpFile

if [ -z $DBPasswd ]

then

mysqlhotcopy -u $DBUser $DBName $DumpFile >> $LogFile 2>&1

else

mysqlhotcopy -u $DBUser -p $DBPasswd $DBName $DumpFile >>$LogFile 2>&1

fi

tar czvf $NewFile $DumpFile >> $LogFile 2>&1

echo “[$NewFile]Backup Success!” >> $LogFile

rm -rf $DumpFile

;;

*)

/etc/init.d/mysqld stop >/dev/null 2>&1

tar czvf $NewFile $DBPath$DBName >> $LogFile 2>&1

/etc/init.d/mysqld start >/dev/null 2>&1

echo “[$NewFile]Backup Success!” >> $LogFile

;;

esac

fi

echo “——————————————-” >> $LogFile

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