MySQL启动报错:InnoDB Operating system error number 13 in a file operation的解决方法

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1、启动MySQL失败

[root@localhost ~]# systemctl start mysqld

Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.

2、通过查看MySQL错误日志分析,日志文件路径可通过/etc/my.cnf查看

[root@localhost ~]# tail -fn 200 /var/log/mysqld.log

2022-12-29T11:47:48.258403Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).

2022-12-29T11:47:48.260168Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.40) starting as process 17893 ...

2022-12-29T11:47:48.263792Z 0 [Note] InnoDB: PUNCH HOLE support available

2022-12-29T11:47:48.263822Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins

2022-12-29T11:47:48.263826Z 0 [Note] InnoDB: Uses event mutexes

2022-12-29T11:47:48.263829Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier

2022-12-29T11:47:48.263836Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.12

2022-12-29T11:47:48.263839Z 0 [Note] InnoDB: Using Linux native AIO

2022-12-29T11:47:48.264145Z 0 [Note] InnoDB: Number of pools: 1

2022-12-29T11:47:48.264276Z 0 [Note] InnoDB: Using CPU crc32 instructions

2022-12-29T11:47:48.266137Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M

2022-12-29T11:47:48.273450Z 0 [Note] InnoDB: Completed initialization of buffer pool

2022-12-29T11:47:48.275630Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().

2022-12-29T11:47:48.285893Z 0 [ERROR] InnoDB: Operating system error number 13 in a file operation.

2022-12-29T11:47:48.285913Z 0 [ERROR] InnoDB: The error means mysqld does not have the access rights to the directory.

2022-12-29T11:47:48.285919Z 0 [ERROR] InnoDB: os_file_get_status() failed on './ibdata1'. Can't determine file permissions

2022-12-29T11:47:48.285927Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error

2022-12-29T11:47:48.886868Z 0 [ERROR] Plugin 'InnoDB' init function returned error.

2022-12-29T11:47:48.886924Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.

2022-12-29T11:47:48.922718Z 0 [ERROR] Failed to initialize builtin plugins.

2022-12-29T11:47:48.922781Z 0 [ERROR] Aborting


2022-12-29T11:47:48.922889Z 0 [Note] Binlog end

2022-12-29T11:47:48.923155Z 0 [Note] Shutting down plugin 'CSV'

2022-12-29T11:47:48.923820Z 0 [Note] /usr/sbin/mysqld: Shutdown complete

翻译内容大致意思:

[错误] InnoDB:文件操作中的操作系统错误号13。

[错误] InnoDB:该错误意味着mysqld没有访问该目录的权限。

[错误] InnoDB: os_file_get_status()在上失败。/ibdata1。无法确定文件权限

[错误] InnoDB:插件初始化中止,出现错误一般错误

[错误]插件"InnoDB"初始化函数返回错误。

[错误]插件"InnoDB"注册为存储引擎失败。

[错误]初始化内置插件失败。

[错误]中止

3、解决方法

1)查看selinux状态

[root@localhost ~]# getenforce
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