An error is reported when a mysql-mmm environment is set up, and a mysql-mmm environment is reported.

An error is reported when a mysql-mmm environment is set up, and a mysql-mmm environment is reported.

The following information is displayed when mmm_contorl show is executed after monitor is started.

ERROR: Can't connect to monitor daemon!

Solution:

Modify configuration file

Set debug = 0

Change

Debug = 1

Then restart mysql-mmm-monitor.

DEBUG mysql (db2) = 'error: Connect ERROR (host = 10.10.1.100: 3306, user = mmm_monitor )! Can't connect to MySQL server on '10. 10.1.100 '(4 )'

Cause: Your agent configuration file contains this db1. this db2. there is no corresponding resolution in the host. Therefore, the connection cannot be established.

 

Solution:

1. You can write the ing between the host name and IP address of each mysql instance in hosts. conf.

2. You can use the DNS service.

3. You can add skip-name-resolve to my. cnf.