2018年9月26日
9:25
现象：192.168.7.206、192.168.7.207互为双主，同步报错 1236
7.206现象如下
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root@mysqldb 09:15 [mysql]> show slave status G;
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: 192.168.7.207 --7.206的master主机为 7.207
Master_User: replusr
Master_Port: 3309
Connect_Retry: 60
Master_Log_File: bin.000010
Read_Master_Log_Pos: 234
Relay_Log_File: slave-relay-bin.000001
Relay_Log_Pos: 4
Relay_Master_Log_File: bin.000010
Slave_IO_Running: No
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: 234
Relay_Log_Space: 154
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: 1236
Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 207
Master_UUID: c4aff4f5-c097-11e8-b9e2-0050568d3207
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp: 180925 18:00:51
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set: 232b5ddf-c098-11e8-af2d-0050568d4206:1-4,
232b5ddf-c098-11e8-af2d-0050568d4e69:1-5,
c4aff4f5-c097-11e8-b9e2-0050568d3207:2-4
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
1 row in set (0.00 sec)
ERROR:
No query specified
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7.207现象如下
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root@mysqldb 09:16 [mysql]> show slave status G;
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: 192.168.7.206 --7.207的master主机为 7.206
Master_User: replusr
Master_Port: 3309
Connect_Retry: 60
Master_Log_File: bin.000011
Read_Master_Log_Pos: 274
Relay_Log_File: slave-relay-bin.000001
Relay_Log_Pos: 4
Relay_Master_Log_File: bin.000011
Slave_IO_Running: No
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: 274
Relay_Log_Space: 154
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: 1236
Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 206
Master_UUID: 232b5ddf-c098-11e8-af2d-0050568d4206
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp: 180925 18:01:32
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set: c4aff4f5-c097-11e8-b9e2-0050568d3207:1-4,
c4aff4f5-c097-11e8-b9e2-0050568d38d8:1-8
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
1 row in set (0.00 sec)
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分别在7.206、7.207关闭 slave并且刷新日志
7.206做stop slave、刷新日志等操作
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root@mysqldb 09:15 [mysql]> stop slave;
Query OK, 0 rows affected (0.01 sec)
root@mysqldb 09:18 [mysql]> flush logs;
Query OK, 0 rows affected (0.01 sec)
再次确认日志刷新后的条目和位置
root@mysqldb 09:18 [mysql]> show master status G;
*************************** 1. row ***************************
File: bin.000012 --当前的日志条目
Position: 274 --当前的日志位置
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set: 232b5ddf-c098-11e8-af2d-0050568d4206:1-4,
232b5ddf-c098-11e8-af2d-0050568d4e69:1-5,
c4aff4f5-c097-11e8-b9e2-0050568d3207:2-4
1 row in set (0.00 sec)
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7.207做stop slave、刷新日志等操作
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root@mysqldb 09:15 [mysql]> stop slave;
Query OK, 0 rows affected (0.01 sec)
root@mysqldb 09:18 [mysql]> flush logs;
Query OK, 0 rows affected (0.01 sec)
root@mysqldb 09:18 [mysql]> show master status G;
*************************** 1. row ***************************
File: bin.000011 --当前的日志条目
Position: 234 --当前的日志位置
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set: c4aff4f5-c097-11e8-b9e2-0050568d3207:1-4,
c4aff4f5-c097-11e8-b9e2-0050568d38d8:1-8
1 row in set (0.00 sec)
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7.206做change master 、start slave操作：
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root@mysqldb 09:18 [mysql]> change master to master_log_file='bin.000011',master_log_pos=234;
Query OK, 0 rows affected (0.01 sec)
root@mysqldb 09:20 [mysql]> start slave;
Query OK, 0 rows affected (0.01 sec)
root@mysqldb 09:20 [mysql]> show slave status G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.7.207
Master_User: replusr
Master_Port: 3309
Connect_Retry: 60
Master_Log_File: bin.000011
Read_Master_Log_Pos: 234
Relay_Log_File: slave-relay-bin.000002
Relay_Log_Pos: 314
Relay_Master_Log_File: bin.000011
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: 234
Relay_Log_Space: 521
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: 207
Master_UUID: c4aff4f5-c097-11e8-b9e2-0050568d3207
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
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: 232b5ddf-c098-11e8-af2d-0050568d4206:1-4,
232b5ddf-c098-11e8-af2d-0050568d4e69:1-5,
c4aff4f5-c097-11e8-b9e2-0050568d3207:2-4
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
1 row in set (0.00 sec)
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7.207做change master 、start slave操作：
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root@mysqldb 09:19 [mysql]> change master to master_log_file='bin.000012',master_log_pos=274;
Query OK, 0 rows affected (0.00 sec)
root@mysqldb 09:20 [mysql]> start slave;
Query OK, 0 rows affected (0.01 sec)
root@mysqldb 09:21 [mysql]> show slave status G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.7.206
Master_User: replusr
Master_Port: 3309
Connect_Retry: 60
Master_Log_File: bin.000012
Read_Master_Log_Pos: 274
Relay_Log_File: slave-relay-bin.000002
Relay_Log_Pos: 314
Relay_Master_Log_File: bin.000012
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: 274
Relay_Log_Space: 521
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: 206
Master_UUID: 232b5ddf-c098-11e8-af2d-0050568d4206
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
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: c4aff4f5-c097-11e8-b9e2-0050568d3207:1-4,
c4aff4f5-c097-11e8-b9e2-0050568d38d8:1-8
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
1 row in set (0.00 sec)
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ok，完美解决