- 在删除以MariaDB-compat方式安装的mariadb后，新装数据库无法启动，相关问题信息如下。
210109 14:39:15 mysqld_safe mysqld from pid file /var/run/mariadb/mariadb.pid ended
210109 14:40:37 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
210109 14:40:37 [Note] /usr/libexec/mysqld (mysqld 5.5.68-MariaDB) starting as process 3044 ...
210109 14:40:37 InnoDB: The InnoDB memory heap is disabled
210109 14:40:37 InnoDB: Mutexes and rw_locks use GCC atomic builtins
210109 14:40:37 InnoDB: Compressed tables use zlib 1.2.7
210109 14:40:37 InnoDB: Using Linux native AIO
210109 14:40:37 InnoDB: Initializing buffer pool, size = 128.0M
210109 14:40:37 InnoDB: Completed initialization of buffer pool
InnoDB: Error: checksum mismatch in data file ./ibdata1
210109 14:40:37 InnoDB: Could not open or create data files.
210109 14:40:37 InnoDB: If you tried to add new data files, and it failed here,
210109 14:40:37 InnoDB: you should now edit innodb_data_file_path in my.cnf back
210109 14:40:37 InnoDB: to what it was, and remove the new ibdata files InnoDB created
210109 14:40:37 InnoDB: in this failed attempt. InnoDB only wrote those files full of
210109 14:40:37 InnoDB: zeros, but did not yet use them in any way. But be careful: do not
210109 14:40:37 InnoDB: remove old data files which contain your precious data!
210109 14:40:37 [ERROR] Plugin ‘InnoDB‘ init function returned error.
210109 14:40:37 [ERROR] Plugin ‘InnoDB‘ registration as a STORAGE ENGINE failed.
210109 14:40:37 [Note] Plugin ‘FEEDBACK‘ is disabled.
210109 14:40:37 [ERROR] Unknown/unsupported storage engine: InnoDB
210109 14:40:37 [ERROR] Aborting
- 查找该报错的相关资料，需要删除之前产生的日志文件。将/var/lib/mysql/目录下的ibdate1，ib_logfile0，ib_logfile1三个文件修改文件名后再次尝试启动mariadb成功。服务正常启动后，生成了新的这三个文件。
MariaDB启动报Plugin 'InnoDB' init function returned error.