重启mysql
service mysqld start
失败，日志显示如下
181008 16:19:59 InnoDB: Using Linux native AIO /usr/sbin/mysqld: Can't create/write to file '/tmp/ibIwqDd4' (Errcode: 13) 181008 16:19:59 InnoDB: Error: unable to create temporary file; errno: 13 181008 16:19:59 [ERROR] Plugin 'InnoDB' init function returned error. 181008 16:19:59 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 181008 16:19:59 [ERROR] Unknown/unsupported storage engine: InnoDB 181008 16:19:59 [ERROR] Aborting 181008 16:19:59 [Note] /usr/sbin/mysqld: Shutdown complete
好像是tmp文件夹权限的问题
chmod 1777 /tmp
