Mysql on ramdrive

mddev.conf

description "MD Development Environment"
author "Laurynas Butkus"

#start on startup
#stop on shutdown
stop on runlevel [016]

pre-start script
    stop mysql
    mkdir -p /mnt/ramdrive
    mount -t tmpfs -o size=500M,mode=0777 tmpfs /mnt/ramdrive
    mv /var/lib/mysql /var/lib/mysql_real
    cp -p -r /var/lib/mysql_md /mnt/ramdrive/mysql
    ln -s /mnt/ramdrive/mysql /var/lib/mysql
    start mysql

    if [ ! -f /tmp/mysql.sock ]; then
	ln -s /var/run/mysqld/mysqld.sock /tmp/mysql.sock
    fi
end script

post-stop script
    STOPPED_MYSQL=0
    
    if [ -S /var/run/mysqld/mysqld.sock ]; then
        stop mysql
        STOPPED_MYSQL=1
    fi
        
    rm /var/lib/mysql
    mv /var/lib/mysql_real /var/lib/mysql

    if [ -d /var/lib/mysql_md_previous ]; then
	rm -rf /var/lib/mysql_md_previous
    fi

    mv /var/lib/mysql_md /var/lib/mysql_md_previous
    mv /mnt/ramdrive/mysql /var/lib/mysql_md

    umount /mnt/ramdrive
    rm /tmp/mysql.sock
    
    if [ $STOPPED_MYSQL -eq 1 ]; then
        start mysql
    fi    
end script

Thanks :)