实现MySQL的a-b
一、需要环境 两台虚理机都安装 MYSQL服务 IP分别为192.168.1.1 192.168.1.2 二、以下是个操作步骤； 虚理机一 [
一、需要环境
两台虚理机都安装 MYSQL服务 IP分别为192.168.1.1 192.168.1.2
二、以下是个操作步骤；
虚理机一
[root@localhost ~]# yum install mysql mysql-server -y
[root@localhost ~]# vim /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
server_id = 1
log-bin=binlog
log-bin-index=binlog.index
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1
# Disabling symbolic-links is recommended to prevent assorted security risks;
# to do so, uncomment this line:
# symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
[root@localhost ~]# servicr mysqld start
bash: servicr: command not found
[root@localhost ~]# service mysqld start
[root@localhost ~]# mysql
mysql> quit
Bye
[root@localhost ~]# mysqldump -A -x >/tmp/full.sql
[root@localhost ~]# scp /tmp/full.sql root@192.168.1.2:/tmp/
root@192.168.1.2's password:
full.sql 100% 412KB 412.4KB/s 00:00
[root@localhost ~]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.0.77-log Source distribution
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> show master status;
+---------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+---------------+----------+--------------+------------------+
| binlog.000003 | 376 | | |
+---------------+----------+--------------+------------------+
1 row in set (0.00 sec)
mysql>
虚理机二
[root@localhost ~]# yum install mysql mysql-server -y
[root@localhost ~]# vim /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
server_id = 2
relay_log = /var/lib/mysql/mysql-relay-bin
relay_log_index=/var/lib/mysql/mysql-relay-bin.index
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1
# Disabling symbolic-links is recommended to prevent assorted security risks;
# to do so, uncomment this line:
# symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
[root@localhost ~]# service mysqld restar
[root@localhost ~]# cd /var/lib/mysql/
[root@localhost mysql]# ls
ibdata1 ib_logfile0 ib_logfile1 mysql mysql.sock test
[root@localhost mysql]# rm -fr *
[root@localhost mysql]# ls
[root@localhost mysql]# service mysqld restart
[root@localhost mysql]# mysql
[root@localhost mysql]# mysql> change master to master_host='192.168.1.1', master_port=3306, master_user='hfj', master_password='123', master_log_file='binlog.000003',master_log_pos=376;
[root@localhost mysql]# mysql
mysql> change master to master_host='192.168.1.1', master_port=3306, master_user='hfj', master_password='123', master_log_file='binlog.000003',master_log_pos=376;
Query OK, 0 rows affected (0.04 sec)
mysql> start slave;
Query OK, 0 rows affected (0.00 sec)
mysql> show slavw status;
mysql> show slave status \G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.1
Master_User: hfj
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: binlog.000003
Read_Master_Log_Pos: 376
Relay_Log_File: mysql-relay-bin.000002
Relay_Log_Pos: 232
Relay_Master_Log_File: binlog.000003
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 376
Relay_Log_Space: 232
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
1 row in set (0.00 sec)
ERROR:
No query specified
mysql>