● mariadb.service - MariaDB 10.5.5 database server
Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Sun 2020-09-27 14:57:13 CEST; 12min ago
Docs: man:mariadbd(8)
https://mariadb.com/kb/en/library/systemd/
Main PID: 194683 (code=exited, status=1/FAILURE)
Status: "MariaDB server is down"
sept. 27 14:57:13 massine-pc mariadbd[194683]: 2020-09-27 14:57:13 0 [ERROR] InnoDB: Upgrade after a crash is not supported. The redo log was created with MariaDB 10.4.12.
sept. 27 14:57:13 massine-pc mariadbd[194683]: 2020-09-27 14:57:13 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
sept. 27 14:57:13 massine-pc mariadbd[194683]: 2020-09-27 14:57:13 0 [Note] InnoDB: Starting shutdown...
sept. 27 14:57:13 massine-pc mariadbd[194683]: 2020-09-27 14:57:13 0 [ERROR] Plugin 'InnoDB' init function returned error.
sept. 27 14:57:13 massine-pc mariadbd[194683]: 2020-09-27 14:57:13 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
sept. 27 14:57:13 massine-pc mariadbd[194683]: 2020-09-27 14:57:13 0 [ERROR] Unknown/unsupported storage engine: InnoDB
sept. 27 14:57:13 massine-pc mariadbd[194683]: 2020-09-27 14:57:13 0 [ERROR] Aborting
sept. 27 14:57:13 massine-pc systemd[1]: mariadb.service: Main process exited, code=exited, status=1/FAILURE
sept. 27 14:57:13 massine-pc systemd[1]: mariadb.service: Failed with result 'exit-code'.
sept. 27 14:57:13 massine-pc systemd[1]: Failed to start MariaDB 10.5.5 database server.