I have multiple maria db instance running on a centos 7.7 server (running until last update). After an update, the mysqld_multi did not start anymore (due to a typo that is apparently fixed in code). I updated the code and fixed the typo but one more modification done in the mysqld_multi script prevent the instance to start : the defaults-group-suffix variable.
Since the update, this variable is added to the start command.
In the error log, I have:
The only way to have my instances up, is to comment out the following code:
This is not a real good solution
Thx for helping.