systemctl status mysqld.service
● mysqld.service - MariaDB database server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; disabled; vendor preset: disabled)
   Active: activating (start-post) (Result: exit-code) since mar 2015-03-31 16:39:58 CEST; 59s ago
  Process: 6513 ExecStart=/usr/bin/mysqld --pid-file=/run/mysqld/mysqld.pid (code=exited, status=1/FAILURE)
 Main PID: 6513 (code=exited, status=1/FAILURE);         : 6514 (mysqld-post)
   CGroup: /system.slice/mysqld.service
           └─control
             ├─6514 /bin/sh /usr/bin/mysqld-post
             └─6866 /bin/sh /usr/bin/mysqld-post

mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [Note] Plugin 'FEEDBACK' is disabled.
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [Note] Recovering after a crash using mysql-bin
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [Note] Starting crash recovery...
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [Note] Crash recovery finished.
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [Warning] Failed to load slave replication state from table mysql.gtid_slave_pos: 1146: Table 'mysql....sn't exist
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [ERROR] Can't open and lock privilege tables: Table 'mysql.servers' doesn't exist
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [Note] Server socket created on IP: '::'.
mar 31 16:40:01 alarmpi mysqld[6513]: 150331 16:40:01 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.user' doesn't exist
mar 31 16:40:02 alarmpi systemd[1]: mysqld.service: main process exited, code=exited, status=1/FAILURE
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