If You are facing problem with Unknown table engine 'InnoDB' on to your mysql Database. You can do following to get rid of this problem. First look at the
If they have been set to size different from the default, that probably will prevent mysqld's startup. The default for innodb_lkog_file_size is 5M.
Add this in
And then Proceed by doing following
innodb_log_file_size = 12M
mv /var/lib/mysql/ib_logfile0 /var/lib/mysql/ib_logfile0.bak # these are your
mv /var/lib/mysql/ib_logfile1 /var/lib/mysql/ib_logfile1.bak # log files