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本文介绍如何通过YUM升级MySQL的版本（默认用YUM安装的MySQL都是5.1的版本）
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环境：CENTOS6.9
原Mysql 版本：5.1
新Mysql 版本：5.6
时间需要：3分钟以内
注意： 做任何动作前，先做好数据备份和恢复计划
[willson@heegw3o0cZ ~]$ sudo su - root
[root@heegw3o0cZ ~]#
[root@heegw3o0cZ ~]#
[root@heegw3o0cZ ~]# /etc/init.d/mysqld stop
Stopping mysqld: [ OK ]
[root@heegw3o0cZ~]# yum remove mysql
Loaded plugins: fastestmirror
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package mysql.x86_64 0:5.1.73-8.el6_8 will be erased
--> Processing Dependency: mysql = 5.1.73-8.el6_8 for package: mysql-devel-5.1.73-8.el6_8.x86_64
--> Processing Dependency: mysql = 5.1.73-8.el6_8 for package: mysql-server-5.1.73-8.el6_8.x86_64
--> Running transaction check
---> Package mysql-devel.x86_64 0:5.1.73-8.el6_8 will be erased
---> Package mysql-server.x86_64 0:5.1.73-8.el6_8 will be erased
--> Processing Dependency: mysql-server for package: perl-Test-mysqld-0.17-3.el6.noarch
--> Running transaction check
---> Package perl-Test-mysqld.noarch 0:0.17-3.el6 will be erased
--> Finished Dependency Resolution
Dependencies Resolved
===================================================================================
Package Arch Version Repository Size
===================================================================================
Removing:
mysql x86_64 5.1.73-8.el6_8 @updates 2.4 M
Removing for dependencies:
mysql-devel x86_64 5.1.73-8.el6_8 @updates 388 k
mysql-server x86_64 5.1.73-8.el6_8 @updates 25 M
perl-Test-mysqld noarch 0.17-3.el6 @epel 14 k
Transaction Summary
===================================================================================
Remove 4 Package(s)
Installed size: 27 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Erasing : mysql-devel-5.1.73-8.el6_8.x86_64 1/4
Erasing : perl-Test-mysqld-0.17-3.el6.noarch 2/4
Erasing : mysql-server-5.1.73-8.el6_8.x86_64 3/4
warning: /var/log/mysqld.log saved as /var/log/mysqld.log.rpmsave
Erasing : mysql-5.1.73-8.el6_8.x86_64 4/4
Verifying : perl-Test-mysqld-0.17-3.el6.noarch 1/4
Verifying : mysql-server-5.1.73-8.el6_8.x86_64 2/4
Verifying : mysql-5.1.73-8.el6_8.x86_64 3/4
Verifying : mysql-devel-5.1.73-8.el6_8.x86_64 4/4
Removed:
mysql.x86_64 0:5.1.73-8.el6_8
Dependency Removed:
mysql-devel.x86_64 0:5.1.73-8.el6_8 mysql-server.x86_64 0:5.1.73-8.el6_8
perl-Test-mysqld.noarch 0:0.17-3.el6
Complete!
[root@heegw3o0cZ ~]#
[root@heegw3o0cZ ~]# rpm -Uvh http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
Retrieving http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
Preparing... ########################################### [100%]
1:mysql-community-release########################################### [100%]
[root@heegw3o0cZ ~]# yum install mysql-community-server
Loaded plugins: fastestmirror
Setting up Install Process
Determining fastest mirrors
* base: mirrors.aliyuncs.com
* epel: mirrors.aliyuncs.com
* extras: mirrors.aliyuncs.com
* updates: mirrors.aliyuncs.com
base | 3.7 kB 00:00
epel | 4.7 kB 00:00
epel/primary_db | 6.0 MB 00:00
extras | 3.4 kB 00:00
extras/primary_db | 29 kB 00:00
mysql-connectors-community | 2.5 kB 00:00
mysql-connectors-community/primary_db | 17 kB 00:00
mysql-tools-community | 2.5 kB 00:00
mysql-tools-community/primary_db | 38 kB 00:00
mysql56-community | 2.5 kB 00:00
mysql56-community/primary_db | 197 kB 00:00
updates | 3.4 kB 00:00
updates/primary_db | 5.3 MB 00:00
zabbix | 951 B 00:00
zabbix-non-supported | 951 B 00:00
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-server.x86_64 0:5.6.38-2.el6 will be installed
--> Processing Dependency: mysql-community-common(x86-64) = 5.6.38-2.el6 for package: mysql-community-server-5.6.38-2.el6.x86_64
--> Processing Dependency: mysql-community-client(x86-64) >= 5.6.10 for package: mysql-community-server-5.6.38-2.el6.x86_64
--> Running transaction check
---> Package mysql-community-client.x86_64 0:5.6.38-2.el6 will be installed
--> Processing Dependency: mysql-community-libs(x86-64) >= 5.6.10 for package: mysql-community-client-5.6.38-2.el6.x86_64
---> Package mysql-community-common.x86_64 0:5.6.38-2.el6 will be installed
--> Running transaction check
---> Package mysql-community-libs.x86_64 0:5.6.38-2.el6 will be obsoleting
---> Package mysql-libs.x86_64 0:5.1.73-8.el6_8 will be obsoleted
--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-8.el6.x86_64
--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: redland-1.0.7-11.el6.x86_64
--> Processing Dependency: libmysqlclient.so.16()(64bit) for package: perl-DBD-MySQL-4.013-3.el6.x86_64
--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-8.el6.x86_64
--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: redland-1.0.7-11.el6.x86_64
--> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: perl-DBD-MySQL-4.013-3.el6.x86_64
--> Running transaction check
---> Package mysql-community-libs-compat.x86_64 0:5.6.38-2.el6 will be obsoleting
--> Finished Dependency Resolution
Dependencies Resolved
===================================================================================
Package Arch Version Repository Size
===================================================================================
Installing:
mysql-community-libs x86_64 5.6.38-2.el6 mysql56-community 1.9 M
replacing mysql-libs.x86_64 5.1.73-8.el6_8
mysql-community-libs-compat x86_64 5.6.38-2.el6 mysql56-community 1.6 M
replacing mysql-libs.x86_64 5.1.73-8.el6_8
mysql-community-server x86_64 5.6.38-2.el6 mysql56-community 55 M
Installing for dependencies:
mysql-community-client x86_64 5.6.38-2.el6 mysql56-community 18 M
mysql-community-common x86_64 5.6.38-2.el6 mysql56-community 308 k
Transaction Summary
===================================================================================
Install 5 Package(s)
Total download size: 77 M
Is this ok [y/N]: y
Downloading Packages:
(1/5): mysql-community-client-5.6.38-2.el6.x86_64.rpm | 18 MB 00:01
(2/5): mysql-community-common-5.6.38-2.el6.x86_64.rpm | 308 kB 00:00
(3/5): mysql-community-libs-5.6.38-2.el6.x86_64.rpm | 1.9 MB 00:00
(4/5): mysql-community-libs-compat-5.6.38-2.el6.x86_64.rpm | 1.6 MB 00:00
(5/5): mysql-community-server-5.6.38-2.el6.x86_64.rpm | 55 MB 00:04
-----------------------------------------------------------------------------------
Total 11 MB/s | 77 MB 00:06
warning: rpmts_HdrFromFdno: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Retrieving key from file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Importing GPG key 0x5072E1F5:
Userid : MySQL Release Engineering
Package: mysql-community-release-el6-5.noarch (installed)
From : file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Is this ok [y/N]: y
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
** Found 3 pre-existing rpmdb problem(s), 'yum check' output follows:
tomcat6-6.0.24-98.el6_8.noarch has missing requires of tomcat6-lib = ('0', '6.0.24', '98.el6_8')
tomcat6-admin-webapps-6.0.24-105.el6_8.noarch has missing requires of tomcat6 = ('0', '6.0.24', '105.el6_8')
tomcat6-webapps-6.0.24-105.el6_8.noarch has missing requires of tomcat6 = ('0', '6.0.24', '105.el6_8')
Installing : mysql-community-common-5.6.38-2.el6.x86_64 1/6
Installing : mysql-community-libs-5.6.38-2.el6.x86_64 2/6
Installing : mysql-community-client-5.6.38-2.el6.x86_64 3/6
Installing : mysql-community-server-5.6.38-2.el6.x86_64 4/6
warning: /etc/my.cnf created as /etc/my.cnf.rpmnew
Installing : mysql-community-libs-compat-5.6.38-2.el6.x86_64 5/6
Erasing : mysql-libs-5.1.73-8.el6_8.x86_64 6/6
Verifying : mysql-community-common-5.6.38-2.el6.x86_64 1/6
Verifying : mysql-community-libs-5.6.38-2.el6.x86_64 2/6
Verifying : mysql-community-libs-compat-5.6.38-2.el6.x86_64 3/6
Verifying : mysql-community-client-5.6.38-2.el6.x86_64 4/6
Verifying : mysql-community-server-5.6.38-2.el6.x86_64 5/6
Verifying : mysql-libs-5.1.73-8.el6_8.x86_64 6/6
Installed:
mysql-community-libs.x86_64 0:5.6.38-2.el6
mysql-community-libs-compat.x86_64 0:5.6.38-2.el6
mysql-community-server.x86_64 0:5.6.38-2.el6
Dependency Installed:
mysql-community-client.x86_64 0:5.6.38-2.el6
mysql-community-common.x86_64 0:5.6.38-2.el6
Replaced:
mysql-libs.x86_64 0:5.1.73-8.el6_8
Complete!
[root@heegw3o0cZ ~]# mysql -V
mysql Ver 14.14 Distrib 5.6.38, for Linux (x86_64) using EditLine wrapper
[root@heegw3o0cZ ~]# /etc/init.d/mysqld start
Starting mysqld: [ OK ]
[root@heegw3o0cZ ~]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.38 MySQL Community Server (GPL)
Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| rt3 |
+--------------------+
7 rows in set (0.00 sec)
mysql>