问：把大象关进冰箱分几步？

答：打开冰箱，关进大象，关上冰箱

三步走战略、哈哈、安全的配置复制也是一样的走三步㈠ 创建复制账号

主备：

gant replication slave,replication client on *.* to 'cdio'@'192.168.47.%' identified by '2010cdio'

㈡ 配置主备

主库：

log-bin=/home/mysql/mysql/binlog/mysql-bin

server_id=10

sync_binlog=1

innodb_flush_logs_at_trx_commit=2

innodb_support_xa=1

备库：

log_bin=/home/mysql/mysql/binlog/mysql-bin

server_id=2

relay_log=/home/mysql/mysql/relaylog/mysql-relay-bin

log_slave_updates=1

read_only=1

skip_slave_start

sync_master_info=1

sync_relay_log=1

sync_relay_log_info=1

㈢ 启动复制

备库：

change master to master_host='node3.cdio.com',

master_user='cdio',

master_password='2010cdio',

master_log_file='mysql-bin.000001',

master_log_pos=0;

start slave;

show slave status\G;

主备：

show processlist\G;

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2013-05-24 10:41

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