centos6.5 mysql5.6主从复制
主mysql vi /etc/my.cnf
[client]
default-character-set = utf8
port = 3306
socket = /usr/local/mysql/mysql.sock
[mysqld]
server-id=1
log-bin=mysqlmaster-bin.log
sync_binlog=1
replicate-wild-ignore-table=mysql.%,information_schema
binlog-do-db=huochetoudalian
port = 3306
socket = /usr/local/mysql/mysql.sock
skip-external-locking
key_buffer_size = 16M
max_allowed_packet = 1M
table_open_cache = 64
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
datadir = /home/mysql/mysqldb
max_connections=1000
innodb_data_file_path=ibdata1:200M:autoextend
innodb_log_files_in_group=2
innodb_log_file_size=1048576000
从mysql salt vi /etc/my.cnf
[client]
default-character-set = utf8
port = 3306
socket = /usr/local/mysql/mysql.sock
# Here follows entries for some specific programs
# The MySQL server
[mysqld]
server-id = 2
replicate-wild-ignore-table=mysql.%,information_schema
replicate-do-db=huochetoudalian
read-only=1
log-bin=mysqlslave-bin.log
port = 3306
socket = /usr/local/mysql/mysql.sock
skip-external-locking
key_buffer_size = 16M
max_allowed_packet = 1M
table_open_cache = 64
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
datadir = /home/mysql/mysqldb
max_connections=1000
innodb_data_file_path=ibdata1:200M:autoextend
innodb_log_files_in_group=2
innodb_log_file_size=1048576000
从mysql
> change master to master_host='192.168.11.94',master_user='root',master_password='123456'
>start slave;
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.11.94
Master_User: root
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysqlmaster-bin.000002
Read_Master_Log_Pos: 1800
Relay_Log_File: mysqlslave-relay-bin.000009
Relay_Log_Pos: 289
Relay_Master_Log_File: mysqlmaster-bin.000002
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB: huochetoudalian
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table: mysql.%,information_schema
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 1800
Relay_Log_Space: 467
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
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID: fa4dc89e-d063-11e4-9712-000c295aadd9
Master_Info_File: /home/mysql/mysqldb/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.00 sec)
ERROR:
No query specified
mysql5.6 主从切换
从变成主
>reset master;
>stop slave;
>reset slave;
把主mysql配置文件/etc/my.cnf复制到这台将要变为主的/etc/my.cnf
service mysql start
主变为从
>reset master;
>stop slave;
>reset slave;
把从mysql配置文件/etc/my.cnf复制到这台将要变为从的/etc/my.cnf
service mysql start
>change master to master_host='192.168.11.99',master_user='root',master_password='123456';
>start slave;