1CALL mtr.add_suppression("Master's UUID has changed, its old UUID is"); 2 3# Case 1: 4# @@SERVER_UUID is readonly. 5----------------------------------------------------------------------------- 6SET GLOBAL SERVER_UUID= UUID(); 7ERROR HY000: Variable 'server_uuid' is a read only variable 8 9# Case 2: 10# If the file does not exists, mysqld generates it automatically. 11----------------------------------------------------------------------------- 12# restart 13 14# Case 3: 15# If there is no UUID in the file, mysqld generates it automatically. 16----------------------------------------------------------------------------- 17# restart 18 19# Case 4: 20# If there is a UUID in the file, it will be loaded into SERVER_UUID. 21----------------------------------------------------------------------------- 22# restart 23