MySQL-8.0 module does not start, what should I do?

Question

open server

Same rake:
Failed to start MySQL-8.0

e:\openserver\modules\database\MySQL-8.0>"e:\openserver\modules\database\MySQL-8.0\bin\mysqld.exe" --defaults-file="e:\openserver\modules\database\MySQL-8.0\my.ini" --user=root --standalone --console
2022-01-29T08:12:57.245351Z 0 [System] [MY-010116] [Server] e:\openserver\modules\database\MySQL-8.0\bin\mysqld.exe (mysqld 8.0.19) starting as process 18752
2022-01-29T08:12:57.359988Z 1 [ERROR] [MY-012530] [InnoDB] Unknown redo log format (4). Please follow the instructions at http://dev.mysql.com/doc/refman/8.0/en/ upgrading-downgrading.html.
2022-01-29T08:12:57.360223Z 1 [ERROR] [MY-012930] [InnoDB] Plugin initialization aborted with error Generic error.
2022-01-29T08:12:57.387362Z 1 [ERROR] [MY-010334] [Server] Failed to initialize DD Storage Engine
2022-01-29T08:12:57.387889Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2022-01-29T08:12:57.388195Z 0 [ERROR] [MY-010119] [Server] Aborting
2022-01-29T08:12:57.389073Z 0 [System] [MY-010910] [Server] e:\openserver\modules\database\MySQL-8.0\bin\mysqld.exe: Shutdown complete (mysqld 8.0.19)  MySQL Community Server - GPL.

e:\openserver\modules\database\MySQL-8.0>PAUSE
Для продолжения нажмите любую клавишу . . .

Answer 1

Delete ib_logfile0 and ib_logfile1 in MySQL working directory