搭建Mysql双主双从报错The slave I/O thread stops because master and slave have equal MySQL server UUIDs(已解决)

搭建Mysql双主双从报错The slave I/O thread stops because master and slave have equal MySQL server UUIDs

具体问题

• Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to work.

问题原因

• 两台主机从为克隆出来,具有相同的uuid
• 查看如下:

mysql> show variables like 'datadir';
+---------------+-----------------+
| Variable_name