InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files code example

Example: InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.

killall mysqld mysqld_safe
# If not all processes are not killed
killall -9 mysqld mysqld_safe
# Check for running mysqld processes
ps aux | grep mysqld

# Finally start mysql
service mysql start