一次MySQL主备同步出错恢复
错误提示：
Last_IO_Errno: 1236 Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'Client requested master to start replication from position > file size; the first event 'mysql-bin.
MySQL错误
[MySQL错误]Can't find file: ./mysql/plugin.frm
错误提示：
/usr/libexec/mysqld: Can't find file: './mysql/plugin.frm' (errno: 13) 180530 15:19:43 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 版本环境：
mysql> select version(); +------------+ | version() | +------------+ | 5.