1. 檢視 MySQL8 的資料儲存路徑 show global variables like "%datadir%"; 2. 停止 MySQL 服務 systemctl stop mysqld 3. 移動資料儲存路徑到指定位置 mv /var/lib/mysql /mnt/mysql_wp/ 4. 建立軟連結 ln -s /mnt/mysql_wp/mysql /var/lib/mysql 5. 檢視軟連線狀態 ls -la /var/lib/mysql 6. 修改配置檔案 vim /etc/my.cnf 檔案修改內容, 儲存檔案 # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password datadir=/mnt/mysql_wp/mysql socket=/mnt/mysql_wp/mysql/mysql.sock log-error=/mnt/mysql_log/mysqld.log pid-file=/mnt/mysql_run/mysqld/mysqld.pid [client] socket=/mnt/mysql_wp/mysql/mysql.sock [mysql] socket=/mnt/mysql_wp/mysql/mysql.sock 7. 授權路徑 chown mysql:mysql -R /mnt/mysql_wp/mysql 8. 重啟 MySQL systemctl start mysqld 9. 檢視儲存路徑 show global variables like "%datadir%";