[root@host2 mysql]# /etc/init.d/mysqld start

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

[root@host2 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

说函数误差

解决方法：

把data下面的ib_logfil文件删除即可

[root@host2 mysql]# rm -f data/ib_logfile0 

[root@host2 mysql]# rm -f data/ib_logfile1

[root@host2 mysql]# rm -f data/ib_logfil2

本文出自 “11002498” 博客，请务必保留此出处http://11012498.blog.51cto.com/11002498/1905228

mysql编译安装完启动时候报错