1、背景
一主一从报错，测试环境
从库执行show slave status\G
mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: 10.0.0.51
Master_User: repl
Master_Port: 3306
Connect_Retry: 10
Master_Log_File: mysql-bin.000027
Read_Master_Log_Pos: 197
Relay_Log_File: db02-relay-bin.000059
Relay_Log_Pos: 366
Relay_Master_Log_File: mysql-bin.000027
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: 197
Relay_Log_Space: 980
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: 13114
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: 53
Master_UUID: c261769d-e2ac-11ed-93ef-000c29ee4d81
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Replica has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp: 240707 09:44:35
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set: c261769d-e2ac-11ed-93ef-000c29ee4d81:18-23
Executed_Gtid_Set: 13d3c89a-e2ad-11ed-8b66-000c29ea33e0:1-156,
c261769d-e2ac-11ed-93ef-000c29ee4d81:18-23
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
Master_public_key_path:
Get_master_public_key: 0
Network_Namespace:
1 row in set, 1 warning (0.00 sec)
2、从报错信息可以看出是从库没有找到第一个log，可能是主库清理过Log导致。
解决方法：
方法一：直接推掉从库从重新搭建一个从库
方法二：跳过
3、介绍方法二
先停止主从复制关系(从库执行)
stop slave;
主库执行
mysql> SHOW MASTER STATUS\g +------------------+----------+--------------+------------------+-------------------------------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set | +------------------+----------+--------------+------------------+-------------------------------------------+ | mysql-bin.000036 | 197 | | | c261769d-e2ac-11ed-93ef-000c29ee4d81:1-34 | +------------------+----------+--------------+------------------+-------------------------------------------+ 1 row in set (0.00 sec) mysql> flush logs; Query OK, 0 rows affected (0.03 sec) mysql> SHOW MASTER STATUS\g +------------------+----------+--------------+------------------+-------------------------------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set | +------------------+----------+--------------+------------------+-------------------------------------------+ | mysql-bin.000037 | 197 | | | c261769d-e2ac-11ed-93ef-000c29ee4d81:1-34 | +------------------+----------+--------------+------------------+-------------------------------------------+ 1 row in set (0.00 sec)
从库执行
mysql> change master to master_log_file='mysql-bin.000037',master_log_pos=197;
Query OK, 0 rows affected, 3 warnings (0.02 sec)
mysql>
mysql>
mysql> start slave;
Query OK, 0 rows affected, 1 warning (0.01 sec)
mysql>
mysql>
mysql>
mysql>
mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for source to send event
Master_Host: 10.0.0.51
Master_User: repl
Master_Port: 3306
Connect_Retry: 10
Master_Log_File: mysql-bin.000037
Read_Master_Log_Pos: 197
Relay_Log_File: db02-relay-bin.000002
Relay_Log_Pos: 326
Relay_Master_Log_File: mysql-bin.000037
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: 197
Relay_Log_Space: 535
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: 53
Master_UUID: c261769d-e2ac-11ed-93ef-000c29ee4d81
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Replica 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: 13d3c89a-e2ad-11ed-8b66-000c29ea33e0:1-156,
c261769d-e2ac-11ed-93ef-000c29ee4d81:18-23
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
Master_public_key_path:
Get_master_public_key: 0
Network_Namespace:
1 row in set, 1 warning (0.01 sec)
主库再次查看主从复制
mysql> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000037
Position: 483
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set: c261769d-e2ac-11ed-93ef-000c29ee4d81:1-35
1 row in set (0.00 sec)
标签：binary,Last,Log,Replicate,SSL,Master,mysql,报错,log From： https://www.cnblogs.com/linuxmysql/p/18288251