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数据库mysql升级(5.6到5.7)

邯唐情感 2022-02-13 阅读 68


mysql5.6升级5.7

将数据库从5.6.35升级到5.7.22

mysql安装目录 /usr/local/mysql/

数据目录/data

1.准备工作

下载5.7.22版本mysql并解压

[root@localhost ~]# wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.22-el7-x86_64.tar.gz

[root@localhost ~]#tar -zxvf mysql-5.7.22-el7-x86_64.tar.gz -C /usr/local/

[root@localhost ~]#cd /usr/local/

[root@localhost ~]#mv mysql-5.7.22-el7-x86_64/ mysql57

停止数据库

[root@localhost ~]# service mysql stop

Shutting down MySQL. SUCCESS!

将数据库和所有数据备份

安装目录备份

[root@localhost ~]# cp -rp /usr/local/mysql /usr/local/mysql56

数据备份

[root@localhost ~]# cd /

[root@localhost /]# cp -rp data data56

启动文件备份

[root@localhost /]# cd /etc/init.d/

[root@localhost init.d]# cp mysql mysql56

配置文件备份

[root@localhost init.d]# cp /etc/my.cnf /etc/my.cnf_56

2.数据库升级

原数据库信息5.6.35

①删除原basedir并替换

[root@localhost ~]# cd /usr/local/

[root@localhost local]# ls

bin  games    lib    libexec  mysql56  sbin   src

etc  include  lib64  mysql    mysql57  share

[root@localhost local]# rm -rf mysql

[root@localhost local]# mv mysql57 mysql

记得修改新mysql权限

[root@localhost local]# chown -R mysql.mysql mysql

②替换新版mysql启动脚本

[root@localhost local]# cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqlcp: overwrite ‘/etc/init.d/mysql’? y

[root@localhost local]# vim /etc/init.d/mysql

编写新启动脚本 将basedir和datadir填写进去

basedir=/usr/local/mysql

datadir=/data

1

2

③启动mysql

[root@localhost local]# service mysql start

Starting MySQL… SUCCESS! 

查看进程和端口确认启动

④升级数据字典

[root@localhost local]# /usr/local/mysql/bin/mysql_upgrade -uroot -p

Enter password:

Checking if update is needed.

Checking server version.

Running queries to upgrade MySQL server.

Checking system database.

mysql.columns_priv                                 OK

mysql.db                                           OK

mysql.engine_cost                                  OK

mysql.event                                        OK

mysql.func                                         OK

mysql.general_log                                  OK

mysql.gtid_executed                                OK

mysql.help_category                                OK

mysql.help_keyword                                 OK

mysql.help_relation                                OK

mysql.help_topic                                   OK

mysql.innodb_index_stats                           OK

mysql.innodb_table_stats                           OK

mysql.ndb_binlog_index                             OK

mysql.plugin                                       OK

mysql.proc                                         OK

mysql.procs_priv                                   OK

mysql.proxies_priv                                 OK

mysql.server_cost                                  OK

mysql.servers                                      OK

mysql.slave_master_info                            OK

mysql.slave_relay_log_info                         OK

mysql.slave_worker_info                            OK

mysql.slow_log                                     OK

mysql.tables_priv                                  OK

mysql.time_zone                                    OK

mysql.time_zone_leap_second                        OK

mysql.time_zone_name                               OK

mysql.time_zone_transition                         OK

mysql.time_zone_transition_type                    OK

mysql.user                                         OK

Checking databases.

sys.sys_config                                     OK

Upgrade process completed successfully.

Checking if update is needed.

⑤重启启动mysql并验证

[root@localhost local]# service mysql restart

Shutting down MySQL… SUCCESS!  

Starting MySQL. SUCCESS!  

 可以看到数据库已经升级到5.7.22了


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