Al intentar iniciar el servicio de mariadb comprobamos que no inicia
/etc/init.d/mysql status
mariadb.service – MariaDB database server
Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Thu 2018-08-09 12:43:52 CEST; 1min 3s ago
Process: 1241 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=1/FAILURE)
Process: 1151 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= || VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ] && systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1 (code=exited, status=0/SUCCESS)
Process: 1148 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
Process: 1145 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/run/mysqld (code=exited, status=0/SUCCESS)
Main PID: 1241 (code=exited, status=1/FAILURE)
Status: «MariaDB server is down»
Revisando el log comprobamos el siguiente error:
tail -3 /var/log/mysql/error.log
2018-08-09 12:45:00 139927639765568 [ERROR] Can’t init tc log
2018-08-09 12:45:00 139927639765568 [ERROR] Aborting
Eliminamos el log TC y iniciamos el servicio de nuevo
rm /var/lib/mysql/tc.log
/etc/init.d/mysql start
:wq!
Excelente ayuda me sirvió mucho