, I try update to 5.6 but failed.
Now I am trying back to 5.5, it also fail. Please help me.
[root@csrv01 custombuild]# service mysqld restart
MySQL server PID file could not be found! [FAILED]
Starting MySQL.The server quit without updating PID file (/[FAILED]mysql/csrv01.osd.vn.pid).
[root@csrv01 custombuild]# tail /var/log/mysqld.log
InnoDB: Error: log file /var/lib/mysql/ib_logfile0 is of different size 0 35651584 bytes
InnoDB: than specified in the .cnf file 0 109051904 bytes!
130420 4:09:08 [ERROR] Plugin 'InnoDB' init function returned error.
130420 4:09:08 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
130420 4:09:08 [ERROR] Unknown/unsupported storage engine: InnoDB
130420 4:09:08 [ERROR] Aborting
130420 4:09:08 [Note] /usr/sbin/mysqld: Shutdown complete
130420 04:09:08 mysqld_safe mysqld from pid file /var/lib/mysql/csrv01.osd.vn.pid ended