Getting fatal error 1236 from master when reading data from binary log in mariadb master master replication

I am facing the situation similar to this https://dba.stackexchange.com/questions/139131/error-1236-could-not-find-first-log-file-name-in-binary-log-index-file?newreg=4677761266604ec98e94e511bac681c0 I have tried all the answers but I am still not able to get rid of this error on Server id = 1: 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' I have two nodes running mariadb 10 the master node Server id 1 and and second master node Server id = 2 Server id 1: MariaDB [(none)]> SHOW SLAVE STATUS\G *************************** 1. row *************************** Slave_IO_State: Master_Host: 192.168.1.10 Master_User: replicator Master_Port: 6306 Connect_Retry: 60 Master_Log_File: mariadb-bin.000001 Read_Master_Log_Pos: 313 Relay_Log_File: mysqld-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: mariadb-bin.000001 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: 313 Relay_Log_Space: 256 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: 2 Master_SSL_Crl: Master_SSL_Crlpath: Using_Gtid: No Gtid_IO_Pos: Replicate_Do_Domain_Ids: Replicate_Ignore_Domain_Ids: Parallel_Mode: conservative SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it Slave_DDL_Groups: 0 Slave_Non_Transactional_Groups: 0 Slave_Transactional_Groups: 0 1 row in set (0.001 sec) checked binary logs: MariaDB [(none)]> SHOW BINARY LOGS; +------------------+-----------+ | Log_name | File_size | +------------------+-----------+ | mysql-bin.000001 | 11337613 | | mysql-bin.000002 | 138563 | | mysql-bin.000003 | 1100347 | | mysql-bin.000004 | 7406418 | | mysql-bin.000005 | 110683302 | | mysql-bin.000006 | 144929 | +------------------+-----------+ MariaDB [(none)]> show master status; +------------------+----------+--------------+------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +------------------+----------+--------------+------------------+ | mysql-bin.000006 | 173699 | | | +------------------+----------+--------------+------------------+ then Server id 2: MariaDB [(none)]> SHOW SLAVE STATUS\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.11 Master_User: replicator Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000006 Read_Master_Log_Pos: 125740 Relay_Log_File: mysqld-relay-bin.000002 Relay_Log_Pos: 10034 Relay_Master_Log_File: mysql-bin.000006 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: 125740 Relay_Log_Space: 10337 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 Master_SSL_Crl: Master_SSL_Crlpath: Using_Gtid: No Gtid_IO_Pos: Replicate_Do_Domain_Ids: Replicate_Ignore_Domain_Ids: Parallel_Mode: conservative 1 row in set (0.00 sec) and binary logs: MariaDB [(none)]> SHOW BINARY LOGS; +------------------+-----------+ | Log_name | File_size | +------------------+-----------+ | mysql-bin.000001 | 313 | +------------------+-----------+ MariaDB [(none)]> show master status; +------------------+----------+--------------+------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +------------------+----------+--------------+------------------+ | mysql-bin.000001 | 313 | | | +------------------+----------+--------------+------------------+ I do have backup of database , but I still want to understand and fix the issue rather then restarting from beginning.