Scenario Master – Master replication

MasterA is a client facing server
MasterB is a warm standby server (read only)

MasterB restarted abruptly and when instances were braught back up MasterA (it’s slave) was showing the following error:

MasterA has the following error in show slave status:
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’


Slave: stop slave;

Master: flush logs
Master: show master status; — take note of the master log file and master log position

Slave: start slave;

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Could not find first log file name in binary log index file, 8.5 out of 10 based on 26 ratings

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  2. Nitin Bansod says:

    Thanks.. your solution helped me……………

  3. M. Faraz says:

    U just saved my 4 mill customers…!

  4. Jyoti Prasad says:

    simple stop slave and than restart i.e
    mysql>stop slave;start slave;show slave status;

  5. Ross Carver says:

    This is also an error when using the mysqlbinlog utility whereby you don’t provide the binary log filename to reference when using the remote server option in mySQL 5.6

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