1，查看Mysqld（/var/log/mysqld.log）日志，发现以下错误： InnoDB: Error: log file /usr/local/mysql/data/ib_logfile0 is of different size 0 5242880 bytes InnoDB: than specified in the .cnf file 0 104857600 bytes! 030826 1:42:15 Can't init databases 030826 1:42:15 Aborting
2，解决办法 " If you want to change the number or the size of your InnoDB log files, you have to shut down MySQL and make sure that it shuts down without errors. Then copy the old log files into a safe place just in case something went wrong in the shutdown and you will need them to recover the database. Delete then the old log files from the log file directory, edit my.cnf, and start MySQL again. InnoDB will tell you at the startup that it is creating new log files. "
