主从出错：

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'

 

解决办法：
从机器停止slave
mysql> slave stop;

到master机器登陆mysql：
记录master的bin的位置，例如：mysql> show mster status;
+-------------------+----------+--------------+-------------------------------------------+
| File              | Position | Binlog_Do_DB | Binlog_Ignore_DB                                                                            |
+-------------------+----------+--------------+-------------------------------------------+
| mysqld-bin.000010 |      106 |              | information_schema,mysql |
+-------------------+----------+--------------+-------------------------------------------+
日志为mysqld-bin.000010

刷新日志：mysql> flush logs;
因为刷新日志file的位置会+1，即File变成为:mysqld-bin.000011

马上到slave执行
mysql> CHANGE MASTER TO MASTER_LOG_FILE='mysqld-bin.000011',MASTER_LOG_POS=106;
mysql> slave start;
mysql> show slave status\G;