root@debian:/var/www/html# systemctl start mariadb
Job for mariadb.service failed because the control process exited with error code.
See "systemctl status mariadb.service" and "journalctl -xe" for details.
root@debian:/var/lib/mysql# systemctl status mariadb.service
● mariadb.service - MariaDB 10.5.18 database server
Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2023-03-21 09:34:37 UTC; 3min 7s ago
Docs: man:mariadbd(8)
https://mariadb.com/kb/en/library/systemd/
Process: 22868 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/run/mysqld (code=exited, status=0/SUCCESS)
Process: 22869 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
Process: 22871 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= || VAR=`cd /usr/bin/..; /usr/bin/galera_recovery`; [ $? -eq 0>
Process: 22918 ExecStart=/usr/sbin/mariadbd $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=1/FAILURE)
Main PID: 22918 (code=exited, status=1/FAILURE)
Status: "MariaDB server is down"
CPU: 136ms
Mar 21 09:34:37 debian mariadbd[22918]: 2023-03-21 9:34:37 0 [ERROR] InnoDB: The innodb_system data file 'ibdata1' must be writable
Mar 21 09:34:37 debian mariadbd[22918]: 2023-03-21 9:34:37 0 [ERROR] Plugin 'InnoDB' init function returned error.
Mar 21 09:34:37 debian mariadbd[22918]: 2023-03-21 9:34:37 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
Mar 21 09:34:37 debian mariadbd[22918]: 2023-03-21 9:34:37 0 [Note] Plugin 'FEEDBACK' is disabled.
Mar 21 09:34:37 debian mariadbd[22918]: 2023-03-21 9:34:37 0 [ERROR] Could not open mysql.plugin table: "Table 'mysql.plugin' doesn't exist". Some >
Mar 21 09:34:37 debian mariadbd[22918]: 2023-03-21 9:34:37 0 [ERROR] Failed to initialize plugins.
Mar 21 09:34:37 debian mariadbd[22918]: 2023-03-21 9:34:37 0 [ERROR] Aborting
Mar 21 09:34:37 debian systemd[1]: mariadb.service: Main process exited, code=exited, status=1/FAILURE
Mar 21 09:34:37 debian systemd[1]: mariadb.service: Failed with result 'exit-code'.
Mar 21 09:34:37 debian systemd[1]: Failed to start MariaDB 10.5.18 database server.