MySQL数据库本地备份和双机相互备份

MySQL的本地备份和双机相互备份脚本：

首先，我们需要修改脚本进行必要的配置,然后以root用户执行。

◆1. 第一执行远程备份时先用 first参数.

◆2. 本地备份用local参数

◆3. 远程备份不用参数<注意1>

注意:

需要在另一主机上的MySQL用户里添加用户。

需要配置的地方:

# define host and mysql password

REMOTE_HOST=&& #远程主机名或IP

REMOTE_PASSWORD=&& #远程主机的mysql中的root@本地主机 密码.

# define database path

DB_PATH=&/var/lib/mysql& #本地mysql数据库路径

LOCAL_PASSWORD=&& #本地mysql root用户密码

DB_BACKUP_PATH=&/root/db_bk& #本地备份时数据保存的路径

NO_BACKUP_DB=&& 设置本地数据库中不想备份的数据库名,用空格隔开

直接下载

#!/bin/sh

# mysqldump_all.sh

# this scripts is used to backup MySQL database bettwen tow MySQL SERVER!

# define host and mysql password

REMOTE_HOST=&&

REMOTE_PASSWORD=&&

# define database path

DB_PATH=&/var/lib/mysql&

LOCAL_PASSWORD=&&

DB_BACKUP_PATH=&/root/db_bk&

# define which database no back up, write db anme escap whit space!

# example;

# NO_BACKUP_DB=&yns test ps_note&

# this said that if db name is &yns& or &test& or &ps_note&, then not backup them!

NO_BACKUP_DB=&&

# get the database name and process one by one

echo &Start to Backup...&;

#ls /var/lib/mysql > /tmp/mydb.all

if [ &$1& != &help& ]; then

for db in `ls $DB_PATH`; do

if_backup=&1&

if [ -d $DB_PATH/$db ] ; then

for noBackDB in $NO_BACKUP_DB ; do

if ( test &$db& = &$noBackDB& ); then

#echo -n &...&;

if_backup=&&;

fi

done

if [ $if_backup ]; then

case &$1& in

first)

echo -n &Crate db [ $db ] on $REMOTE_HOST first!&

 

result=`mysqladmin -h $REMOTE_HOST --password=$REMOTE_PASSWORD create $db`

if [ ! $result ]; then

echo &...Done!&;

else

echo &...Fialed! check your configure plz!&;

echo &Remote host said: $result&;

exit

fi

;;

local)

# back up to localhost dir.

if [ ! -d $DB_BACKUP_PATH ]; then

mkdir $DB_BACKUP_PATH

fi

echo -n &[ $db ]....Backup to local$DB_BACKUP_PATH with gzip&;

if [ -e &$DB_BACKUP_PATH/$db.gz& ]; then

mv $DB_BACKUP_PATH/$db.gz $DB_BACKUP_PATH/$db.1.gz;

fi

 

mysqldump --password=Walte#Ming $db | gzip > $DB_BACKUP_PATH/$db.gz

echo &...[OK]&

;;

*)

# Do common Backup!

echo -n &[ $db ]...Do Backup! ====>> $REMOTE_HOST/$db&;

mysqldump --add-drop-table $db --password=$LOCAL_PASSWORD | mysql -h $REMOTE_HOST --password=$REMOTE_PASSWORD $db

echo &....[OK]&;

esac

else

echo &[ $db ]&;

echo &***This database set to Not backup!...Operation CANCELED!&;

fi

else

echo &[ $db ]&;

echo &***Warning! Not a DataBbase. Backup Canceled***&;

fi

done

else

echo &Usage: mysqldupm_all.sh [firs|local|help]&;

echo &Some question ask for href=&mailto:walteyh@sohu.com&;&>walteyh@sohu.com&;

fi

# Ended all backup opretion!

echo &&;

echo &Note: if there is come wrong message white MySQL,　you should check yourconfigure first!&;

exit