示例一：

cat check_mysql_health

#!/bin/sh

slave_is=($(mysql -S /tmp/mysql3307.sock -uroot -e "show slave status\G"|grep "Slave_.*_Running" |awk '{print $2}'))

if [ "${slave_is[0]}" = "Yes" -a "${slave_is[1]}" = "Yes" ]

     then

     echo "OK SDK-slave3307 connect master3306 is running"

     exit

else

     echo "Critical SDK-slave3307 connect master3306 is not running"

     exit

fi 

示例二：

[root@slavedb test]# cat Check_Mysql_Synchronization.sh

#!/bin/bash

MYUSER=root

MYSOCKET=/tmp/mysql3306.sock

MYPASSWD=

MYLOGIN="mysql -S $MYSOCKET -u$MYUSER "

ERROR=(     )

check_status(){

STATUS=($($MYLOGIN -e "show slave status\G"|egrep "Slave_SQL_Running|Slave_IO_Running|Seconds_Behind_Master|Last_SQL_Errno"|awk '{print $NF}'))

if [ "${STATUS[0]}" = "Yes" -a "${STATUS[1]}" = "Yes" -a "${STATUS[2]} = 0" ];then

        echo "Mysql Slave is Ok!"

        CHECK_NUM=

        return $CHECK_NUM

else

        CHECK_NUM=

        return $CHECK_NUM

fi

}

check_error(){

        check_status

        if [ $? -eq  ];then

                for ((i=;i<${#ERROR[*]};i++));do

                        if [ "${ERROR[i]}" == "${STATUS[3]}" ];then

                                $MYLOGIN -e "stop slave;"

                                $MYLOGIN -e "set global sql_slave_skip_counter=1"

                                $MYLOGIN -e "start slave;"

                        fi

                done

        fi

}

check_again(){

        STATUS=($($MYLOGIN -e "show slave status\G"|egrep "Slave_SQL_Running|Slave_IO_Running|Seconds_Behind_Master|Last_SQL_Errno"|awk '{print $NF}'))

        check_status >/dev/null &>

        if [ $? -eq  ];then

                echo "Mysql slave is fail $(date +%F)"

        fi

}

main(){

        while true;do

                check_error

                check_again

                sleep

        done

}

main