配置mysql主从的时候，检查slave状态，发现报错信息，

Error 'The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement' on query.mysql> show slave status\G

*************************** 1. row ***************************

Slave_IO_State: Waiting for master to send event

Master_Host: 192.168.100.100

Master_User: repl

Master_Port: 3306

Connect_Retry: 60

Master_Log_File: BP.000001

Read_Master_Log_Pos: 1047

Relay_Log_File: BP2-relay-bin.000002

Relay_Log_Pos: 276

Relay_Master_Log_File: BP.000001

Slave_IO_Running: Yes

Slave_SQL_Running: No

Replicate_Do_DB:

Replicate_Ignore_DB:

Replicate_Do_Table:

Replicate_Ignore_Table:

Replicate_Wild_Do_Table:

Replicate_Wild_Ignore_Table:

Last_Errno: 1290

Last_Error: Error 'The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement' on query. Default database: ''. Query: 'GRANT REPLICATION SLAVE ON *.* TO 'repl'@'192.168.100.101' IDENTIFIED BY PASSWORD '*137BC20D2DD742D4394762A7F009AE373961DF0D''

Skip_Counter: 0

Exec_Master_Log_Pos: 120

Relay_Log_Space: 1374

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: 0

Last_IO_Error:

Last_SQL_Errno: 1290

Last_SQL_Error: Error 'The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement' on query. Default database: ''. Query: 'GRANT REPLICATION SLAVE ON *.* TO 'repl'@'192.168.100.101' IDENTIFIED BY PASSWORD '*137BC20D2DD742D4394762A7F009AE373961DF0D''

Replicate_Ignore_Server_Ids:

Master_Server_Id: 100

Master_UUID: 274d9644-7398-11e8-8f4c-000c29a272ec

Master_Info_File: /data/mysql/master.info

SQL_Delay: 0

SQL_Remaining_Delay: NULL

Slave_SQL_Running_State:

Master_Retry_Count: 86400

Master_Bind:

Last_IO_Error_Timestamp:

Last_SQL_Error_Timestamp: 180725 10:41:22

Master_SSL_Crl:

Master_SSL_Crlpath:

Retrieved_Gtid_Set:

Executed_Gtid_Set:

Auto_Position: 0

1 row in set (0.00 sec)

分析：

mysql验证失败-->密码不对-->排除，因为在my.cnf配置了skip-grant跳过密码验证配置参数

-->配置文件-->是否skip-grant参数影响了主与从之间的通讯-->去掉#skip-grant参数后解决

解决方法：

把mysql配置文件my.cnf的skip-grant参数删掉，或者注释掉即可。[mysqld]

datadir=/data/mysql

socket=/tmp/mysql.sock

server-id=101

#skip-grant