MySQL服务器没有启动

重新启动系统后，无法启动数据库

以下内容显示在状态（“systemctl status mysql.service”）中：

“tail-f/var/log/mysql/error.log”输出：

2021-04-05T11:28:15.765251Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2021-04-05T11:28:15.778589Z 0 [Note] InnoDB: Completed initialization of buffer pool
2021-04-05T11:28:15.782113Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2021-04-05T11:28:15.792795Z 0 [Warning] InnoDB: Retry attempts for reading partial data failed.
2021-04-05T11:28:15.792860Z 0 [ERROR] InnoDB: Tried to read 16384 bytes at offset 81920, but was only able to read 0
2021-04-05T11:28:15.792877Z 0 [ERROR] InnoDB: Operating system error number 5 in a file operation.
2021-04-05T11:28:15.792890Z 0 [ERROR] InnoDB: Error number 5 means 'Input/output error'
2021-04-05T11:28:15.792902Z 0 [Note] InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/en/operating-system-error-codes.html
2021-04-05T11:28:15.792915Z 0 [ERROR] InnoDB: File (unknown): 'read' returned OS error 105. Cannot continue operation
2021-04-05T11:28:15.792925Z 0 [ERROR] InnoDB: Cannot continue operation.
2021-04-05T11:28:46.084114Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000)
2021-04-05T11:28:46.084225Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)
2021-04-05T11:28:46.252587Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2021-04-05T11:28:46.254048Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.22-0ubuntu0.16.04.1) starting as process 47111 ...
2021-04-05T11:28:46.259317Z 0 [Note] InnoDB: PUNCH HOLE support available
2021-04-05T11:28:46.259358Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2021-04-05T11:28:46.259369Z 0 [Note] InnoDB: Uses event mutexes
2021-04-05T11:28:46.259379Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2021-04-05T11:28:46.259392Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.8
2021-04-05T11:28:46.259402Z 0 [Note] InnoDB: Using Linux native AIO
2021-04-05T11:28:46.259854Z 0 [Note] InnoDB: Number of pools: 1
2021-04-05T11:28:46.260056Z 0 [Note] InnoDB: Using CPU crc32 instructions
2021-04-05T11:28:46.263039Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2021-04-05T11:28:46.277694Z 0 [Note] InnoDB: Completed initialization of buffer pool
2021-04-05T11:28:46.281406Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2021-04-05T11:28:46.291991Z 0 [Warning] InnoDB: Retry attempts for reading partial data failed.
2021-04-05T11:28:46.292033Z 0 [ERROR] InnoDB: Tried to read 16384 bytes at offset 81920, but was only able to read 0
2021-04-05T11:28:46.292049Z 0 [ERROR] InnoDB: Operating system error number 5 in a file operation.
2021-04-05T11:28:46.292062Z 0 [ERROR] InnoDB: Error number 5 means 'Input/output error'
2021-04-05T11:28:46.292075Z 0 [Note] InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/en/operating-system-error-codes.html
2021-04-05T11:28:46.292088Z 0 [ERROR] InnoDB: File (unknown): 'read' returned OS error 105. Cannot continue operation
2021-04-05T11:28:46.292100Z 0 [ERROR] InnoDB: Cannot continue operation.

请告诉我如何解决这个问题和提高数据库

2021-04-05T11:28:15.765251Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2021-04-05T11:28:15.778589Z 0 [Note] InnoDB: Completed initialization of buffer pool
2021-04-05T11:28:15.782113Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2021-04-05T11:28:15.792795Z 0 [Warning] InnoDB: Retry attempts for reading partial data failed.
2021-04-05T11:28:15.792860Z 0 [ERROR] InnoDB: Tried to read 16384 bytes at offset 81920, but was only able to read 0
2021-04-05T11:28:15.792877Z 0 [ERROR] InnoDB: Operating system error number 5 in a file operation.
2021-04-05T11:28:15.792890Z 0 [ERROR] InnoDB: Error number 5 means 'Input/output error'
2021-04-05T11:28:15.792902Z 0 [Note] InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/en/operating-system-error-codes.html
2021-04-05T11:28:15.792915Z 0 [ERROR] InnoDB: File (unknown): 'read' returned OS error 105. Cannot continue operation
2021-04-05T11:28:15.792925Z 0 [ERROR] InnoDB: Cannot continue operation.
2021-04-05T11:28:46.084114Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000)
2021-04-05T11:28:46.084225Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)
2021-04-05T11:28:46.252587Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2021-04-05T11:28:46.254048Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.22-0ubuntu0.16.04.1) starting as process 47111 ...
2021-04-05T11:28:46.259317Z 0 [Note] InnoDB: PUNCH HOLE support available
2021-04-05T11:28:46.259358Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2021-04-05T11:28:46.259369Z 0 [Note] InnoDB: Uses event mutexes
2021-04-05T11:28:46.259379Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2021-04-05T11:28:46.259392Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.8
2021-04-05T11:28:46.259402Z 0 [Note] InnoDB: Using Linux native AIO
2021-04-05T11:28:46.259854Z 0 [Note] InnoDB: Number of pools: 1
2021-04-05T11:28:46.260056Z 0 [Note] InnoDB: Using CPU crc32 instructions
2021-04-05T11:28:46.263039Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2021-04-05T11:28:46.277694Z 0 [Note] InnoDB: Completed initialization of buffer pool
2021-04-05T11:28:46.281406Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2021-04-05T11:28:46.291991Z 0 [Warning] InnoDB: Retry attempts for reading partial data failed.
2021-04-05T11:28:46.292033Z 0 [ERROR] InnoDB: Tried to read 16384 bytes at offset 81920, but was only able to read 0
2021-04-05T11:28:46.292049Z 0 [ERROR] InnoDB: Operating system error number 5 in a file operation.
2021-04-05T11:28:46.292062Z 0 [ERROR] InnoDB: Error number 5 means 'Input/output error'
2021-04-05T11:28:46.292075Z 0 [Note] InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/en/operating-system-error-codes.html
2021-04-05T11:28:46.292088Z 0 [ERROR] InnoDB: File (unknown): 'read' returned OS error 105. Cannot continue operation
2021-04-05T11:28:46.292100Z 0 [ERROR] InnoDB: Cannot continue operation.