MySQL Compile installation complete error when starting

[[email protected] mysql]#/etc/init.d/mysqld start

Starting MySQL. error! The server quit without updating PID file (/tmp/mysql.pid).

[Email protected] mysql]# tail-f Data/host2.err

InnoDB:Error:log file./ib_logfile0 is of different size 0 4194304 bytes

Innodb:than specified in the. cnf file 0 5242880 bytes!

170310 17:06:48 [ERROR] Plugin ' InnoDB ' init function returned ERROR.

170310 17:06:48 [ERROR] Plugin ' InnoDB ' registration as a STORAGE ENGINE failed.

170310 17:06:48 [ERROR] unknown/unsupported storage Engine:innodb

170310 17:06:48 [ERROR] Aborting

170310 17:06:48 [Note]/application/mysql/bin/mysqld:shutdown complete

170310 17:06:48 mysqld_safe mysqld from PID File/application/mysql/data/host2.pid ended

Say the function error

Workaround:

Delete the Ib_logfil file below the data

[Email protected] mysql]# rm-f DATA/IB_LOGFILE0

[Email protected] mysql]# rm-f data/ib_logfile1

[Email protected] mysql]# rm-f DATA/IB_LOGFIL2

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MySQL Compile installation complete error when starting