Mysql主从复制错误Slave_IO_Running: Connecting

主服务器：192.168.159.130

从服务器：192.168.159.131

mysql> show slave status\G;

*************************** 1. row ***************************                Slave_IO_State: Connecting to master                   Master_Host: 192.168.159.130                   Master_User: gupt11                   Master_Port: 3306                 Connect_Retry: 60               Master_Log_File: mysql-bin.000001           Read_Master_Log_Pos: 583                Relay_Log_File: gupt11-relay-bin.000001                 Relay_Log_Pos: 4         Relay_Master_Log_File: mysql-bin.000001              Slave_IO_Running: Connecting             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: 583               Relay_Log_Space: 120               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: NULL Master_SSL_Verify_Server_Cert: No                 Last_IO_Errno: 2003                 Last_IO_Error: error connecting to master '[email protected]:3306' - retry-time: 60  retries: 1                Last_SQL_Errno: 0                Last_SQL_Error:    Replicate_Ignore_Server_Ids:               Master_Server_Id: 0                   Master_UUID:               Master_Info_File: /usr/local/mysql/data/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: 141104 14:13:13      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

==========================解决措施==========================

错误提示：

Slave_IO_Running: Connecting

Slave_SQL_Running: Yes

Last_IO_Errno: 2003

Last_IO_Error: error connecting to master '[email protected]:3306' - retry-time: 60 retries: 1

错误原因：

主数据库服务器没有关闭防火墙。

解决措施：

1、去主服务器：192.168.159.130关闭防火墙。

[root@rhel64 ~]# service iptables stop;

iptables: Setting chains to policy ACCEPT: filter          [  OK  ]

iptables: Flushing firewall rules:                         [  OK  ]

iptables: Unloading modules:                               [  OK  ]

2、去从服务器：stop slave;start slave;

mysql> stop slave;

Query OK, 0 rows affected (0.01 sec)

mysql> start slave;

Query OK, 0 rows affected (0.01 sec)

mysql> show slave status\G;

*************************** 1. row ***************************                Slave_IO_State: Waiting for master to send event                   Master_Host: 192.168.159.130                   Master_User: gupt11                   Master_Port: 3306                 Connect_Retry: 60               Master_Log_File: mysql-bin.000001           Read_Master_Log_Pos: 583                Relay_Log_File: gupt11-relay-bin.000002                 Relay_Log_Pos: 283         Relay_Master_Log_File: mysql-bin.000001              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: 583               Relay_Log_Space: 457               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: 5c77474b-63d6-11e4-9337-000c2941ae03              Master_Info_File: /usr/local/mysql/data/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