MySQL5.6 多实例启动和关闭

#!/bin/bash

#注:多实例DB数据,sock目录要统一
#每个实例要建有shutdown权限mt_user用户.
myd='/usr/local/mysql/bin/mysqld'
myadmin='/usr/local/mysql/bin/mysqladmin'

m_user='mt_user'
m_password='abcd123'
port=`netstat -tnlp|grep mysql|awk -F':' '{print $4}'|grep "$2"`

if [ "$1" == "start" ];then
{
if [ -z "$port" ];then
"$myd" --defaults-file=/data/mysql/mysql"$2"/my.cnf &
elif [ $2 -eq "$port" ];then
printf 'Sorry that the port is occupied'"%s %s "
exit
fi
}
elif [ "$1" == "restart" ];then
"$myadmin" -u"$m_user" -p"$m_password" -S /tmp/mysql"$2".sock shutdown
sleep 2
"$myd" --defaults-file=/data/mysql/mysql"$2"/my.cnf &
elif [ "$1" == "stop" ];then
"$myadmin" -u"$m_user" -p"$m_password" -S /tmp/mysql"$2".sock shutdown
else
printf 'Please enter start+port or restart+port or stop+port'"%s %s "
fi

停止DB

sh mt_mysql.sh stop 3306　

启动DB

sh mt_mysql.sh start 3306

重启DB　

sh mt_mysql.sh restart 3306

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