MySQL (Percona Server) is not running, but lock file (/var/[FAILED]sys/mysql) exists

In this tutorial i will show you how to fix 'MySQL not running but lock file exists' error

MySQL (Percona Server) is not running, but lock file (/var/[FAILED]sys/mysql) exists

First you need to delete the lock file

rm /var/lock/subsys/mysql

Be sure that there is no multiple MySQL services running, check MySQL processes and kill them Continue reading