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  • MYSQL 配置slave故障

    之前为主从配置,后来分割成2个单实例。
    现在环境需要,重新配置为主从,之前参数都已配置好,直接启动,如下:

    mysql> change master to master_host='192.168.12.193',master_port=3306,master_user='master',master_password='123456',master_log_file='master-bin.000569',master_log_pos=107;
    ERROR 29 (HY000): File './slave-relay-bin.000494' not found (Errcode: 2)

    mysql>reset slave;      也不行

    查看报错日志:
    131210 10:56:44 [ERROR] Failed to open the relay log './slave-relay-bin.000494' (relay_log_pos 591818895)
    131210 10:56:44 [ERROR] Could not find target log during relay log initialization
    131210 10:56:44 [ERROR] Failed to initialize the master info structure

    [root@b28-12195 data]# rm -rf master.info relay-log.info slave-relay-bin.*

    mysql> change master to master_host='192.168.12.193',master_port=3306,master_user='master',master_password='123456',master_log_file='master-bin.000569',master_log_pos=107;
    Query OK, 0 rows affected (0.00 sec)

    mysql> show slave statusG
    *************************** 1. row ***************************
                   Slave_IO_State: Waiting for master to send event
                      Master_Host: 192.168.12.193
                      Master_User: master
                      Master_Port: 3306
                    Connect_Retry: 60
                  Master_Log_File: master-bin.000572
              Read_Master_Log_Pos: 107
                   Relay_Log_File: slave-relay-bin.000002
                    Relay_Log_Pos: 254
            Relay_Master_Log_File: master-bin.000572
                 Slave_IO_Running: Yes
                Slave_SQL_Running: Yes
                  Replicate_Do_DB: 
              Replicate_Ignore_DB: test
               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: 107
                  Relay_Log_Space: 410
                  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
    1 row in set (0.00 sec)

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  • 原文地址:https://www.cnblogs.com/hankyoon/p/5169578.html
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