mysql5.1.52主从脚本（master-myisam,slave-myisam）

#!/bin/sh

#multi-instance

#usage sh ws.sh $1 $2

#取备份

lastip=`echo $1|awk -F '.' '{print $3$4}'`

echo $lastip

mkdir -p /app/dbbackup/${lastip}

#ftp -i -in <<EOF 

#open 1.82.3.74

#user gt 13

#lcd /app/dbbackup/${SOCK}

#mget $1.rar

#bye

#EOF

#sleep 3

 

 

#解压取POS值

cd /app/dbbackup/${lastip}

wget ftp://wol_ta:r7q!rBeMM.gu3@11.21.3.7/data$1.rar

#unrar x $1.rar

#pos=`head -n 30 dump.sql |grep -i "change"|awk  -F'TO' '{print $2}'`

 

 

 

hostip=`/sbin/ifconfig eth0|grep -i "inet addr"|awk  '{print $2}'|awk -F"." '{print $3$4}'`

echo $hostip

cnf=/etc/my.cnf

#配置my.cnf

if [ -f "$cnf" -a ! -f "${cnf}.bak" ];then

cp $cnf $cnf.bak

fi

multi=`cat /etc/my.cnf|grep -i -w "mysqld_multi"`

if [ "${multi}" = "" ];then

sed -i '4a\[mysqld_multi]\nmysqld     = /usr/local/mysql/bin/mysqld_safe\n' $cnf

fi

 

masterip=$1

sed -i '6a\[mysqld'${lastip}']\nsocket     = /tmp/mysql.sock'${lastip}'\nport       = '$2'\npid\-file   = '${hostip}'.pid'${lastip}'\ndatadir    = /usr/local/mysql/var'${lastip}'\nrelay\-log  = '${hostip}'\-relay\-bin\-'${lastip}'\n' $cnf

 

#生成数据文件

if [ -d /app/mysql/var ];then

 

cd /app/mysql

/app/mysql/bin/mysql_install_db --datadir=/app/mysql/var${lastip} --user=mysql

cd /app/mysql/var${lastip}

tar xvf /root/mysql.tar

unrar x /app/dbbackup/${lastip}/data$1.rar

 

#/app/mysql/bin/mysql_install_db --datadir=/app/mysql/var${lastip} --user=mysql

chown -R mysql.mysql /app/mysql/var${lastip}

/app/mysql/bin/mysqld_multi start ${lastip}

sleep 5

#/app/mysql/bin/mysql -uroot -S /tmp/mysql.sock${lastip} -pmysql_rqf8ks</app/dbbackup/${lastip}/dump.sql

#mysql -S /tmp/mysql.sock${lastip} -pmysql_ro8ks </app/dbbackup/${lastip}/dump.sql

 

mysql -S /tmp/mysql.sock${lastip} -pmysql_ros -e "slave stop;CHANGE MASTER TO MASTER_HOST='$1',MASTER_USER='repl',MASTER_PASSWORD='repl_SGa90H1H',MASTER_PORT=63306,MASTER_LOG_FILE='mysql.000001',MASTER_LOG_POS=0;slave start;show slave status\G;"

 

fi