Shulou(Shulou.com)06/01 Report--

Environment:

Operating system: CentOS release 6.5

Database 1:

Version: mysql5.6.37

Basedir:/usr/local/mysql5637

Configuration file location: / data/mysql5637/my.cnf

Database 2:

Version: mysql5.7.19

Basedir:/usr/local/mysql5719

Configuration file location: / data/mysql5719/my.cnf

Summary of questions

Today, I gave the 5.7.19 database to shutdown, and then use mysqld_safe-- defaults-file=/data/mysql5719/my.cnf to start the database. Error message:

2018-02-27 11:05:32 47490 [ERROR] Plugin 'InnoDB' init function returned error.

2018-02-27 11:05:32 47490 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.

2018-02-27 11:05:32 47490 [ERROR] Unknown/unsupported storage engine: InnoDB

2018-02-27 11:05:32 47490 [ERROR] Aborting

Cause of error

The mysqld_safe is the mysqld_safe tool under the MySQL5.6.37 version.

Use MySQL5.7.19 's mysqld_safe tool to ok.

The mysqld_safe under the 5637 directory is called directly with mysqld_safe, which cannot be started.

Error log

Specify the full directory of mysqld_safe to start mysql and ok

Summary

Write a startup script for multiple instances. I'll put it up when I learn how to write it.

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