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centos6.9升級mysql5.1到mysql5.6

升級 mysql

一:查看下是否有系統自帶MySQL的rpm包,如果有,需要刪除自帶的舊rpm包。

[[email protected] mnt]# mysql -V
mysql  Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using readline 5.1
[[email protected] mnt]# rpm -qa | grep -i mysql
mysql-server-5.1.73-8.el6_8.x86_64
mysql-5.1.73-8.el6_8.x86_64
mysql-devel-5.1.73-8.el6_8.x86_64
mysql-libs-5.1.73-8.el6_8.x86_64
perl-DBD-MySQL-4.013-3.el6.x86_64
[[email protected] mnt]# yum remove mysql*

二:在MySQL官網下載安裝MySQL-5.6.21所需的rpm軟件包。
需要下載三個rpm軟件包:
MySQL-client-5.6.21-1.rhel5.x86_64.rpm

MySQL-devel-5.6.21-1.rhel5.x86_64.rpm
MySQL-server-5.6.21-1.rhel5.x86_64.rpm

[[email protected] /mnt]#wget http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-server-5.6.21-1.rhel5.x86_64.rpm  
[[email protected] /mnt]#wget http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-devel-5.6.21-1.rhel5.x86_64.rpm  
[[email protected] /mnt]#wget http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-client-5.6.21-1.rhel5.x86_64.rpm

報錯:

wget http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-server-5.6.21-1.rhel5.x86_64.rpm
--2017-09-14 17:07:49--  http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-server-5.6.21-1.rhel5.x86_64.rpm
正在解析主機 dev.mysql.com... 137.254.60.11
正在連接 dev.mysql.com|137.254.60.11|:80... 已連接。
已發出 HTTP 請求,正在等待回應... 301 Moved Permanently
位置:https://dev.mysql.com/Downloads/MySQL-5.6/MySQL-server-5.6.21-1.rhel5.x86_64.rpm [跟隨至新的 URL]
--2017-09-14 17:07:50--  https://dev.mysql.com/Downloads/MySQL-5.6/MySQL-server-5.6.21-1.rhel5.x86_64.rpm
正在連接 dev.mysql.com|137.254.60.11|:443... 已連接。
錯誤: 證書通用名 “www.mysql.com” 與所要求的主機名 “dev.mysql.com” 不符。
要以不安全的方式連接至 dev.mysql.com,使用‘--no-check-certificate’。

所以添加提示參數:

[[email protected] /mnt]#wget --no-check-certificate http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-server-5.6.21-1.rhel5.x86_64.rpm  
[[email protected] /mnt]#wget --no-check-certificate http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-devel-5.6.21-1.rhel5.x86_64.rpm  
[[email protected] /mnt]#wget --no-check-certificate http://dev.mysql.com/Downloads/MySQL-5.6/MySQL-client-5.6.21-1.rhel5.x86_64.rpm

三:啟動mysql,報錯

[[email protected] opt]# service mysql restart
 ERROR! MySQL server PID file could not be found!
Starting MySQL. ERROR! The server quit without updating PID file (/var/lib/mysql/localhost.pid).

本次解決方法:

cd /var/lib/mysql

rm -rf ibdata1 ib_logfile1 ib_logfile0

此時:

service mysql restart
Shutting down MySQL.. SUCCESS! 
Starting MySQL. SUCCESS!

根據http://www.jb51.net/article/48625.htm博文,也有其他解決方案

centos6.9升級mysql5.1到mysql5.6