MYSQL Replication problem
Hal Burgiss
hal at burgiss.net
Mon Jul 28 18:38:58 UTC 2008
This is a simple one to one set up. Slave is 8.04LTS server, fully
upgraded, and the master is CentOS mysql 5.0. I have done this step by
step using 4 different HOWTOs and I get the same result: it *seems*
to work, in that there are no errors or obvious complaining, but I
always get:
Slave_IO_Running: No
Slave_SQL_Running: Yes
Always. It just sits in that state and there is no replicating going
on.
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: db.example.com
Master_User: slave
Master_Port: 3306
Connect_Retry: 120
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 585161
Relay_Log_File: mysqld-relay-bin.000001
Relay_Log_Pos: 98
Relay_Master_Log_File: mysql-bin.000001
Slave_IO_Running: No
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table: mysql.user
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 585161
Relay_Log_Space: 98
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
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: garth2.resultsbydesign.com
Master_User: slave
Master_Port: 3306
Connect_Retry: 120
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 585161
Relay_Log_File: mysqld-relay-bin.000001
Relay_Log_Pos: 98
Relay_Master_Log_File: mysql-bin.000001
Slave_IO_Running: No
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table: mysql.user
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 585161
Relay_Log_Space: 98
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
1 row in set (0.00 sec)
mysql> show processlist\G;
*************************** 1. row ***************************
Id: 13
User: system user
Host:
db: NULL
Command: Connect
Time: 648
State: Has read all relay log; waiting for the slave I/O thread to update it
Info: NULL
*************************** 2. row ***************************
Id: 14
User: noname
Host: localhost
db: NULL
Command: Query
Time: 0
State: NULL
Info: show processlist
slave config:
==============
server-id = 2
##log_bin = /var/log/mysql/mysql-bin.log
master-host=db.example.com
master-port=3306
master-user=slave
master-password=somethinghere
master-connect-retry=60
replicate-ignore-table=mysql.user
The both systems are open to each other via port 3306. I can remotely
connect to the master using the slave's credentials just fine. Logging
is on, on the master.
There is plenty helpful info via google to make sure Slave_IO_Running
is YES, but scant little to say about what if its not. I can't believe
4 HOWTOs are all wrong on this. Ideas?
--
Hal
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