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  • Xtrabackup增量备份

    增量备份

    [root@localhost ~]# innobackupex --defaults-file=/etc/my.cnf --user=root --password=123456 --socket=/var/lib/mysql/mysql.sock --incremental /zl/backup/ --incremental-basedir=/root/backup/2020-01-15_21-29-53/
    #--incremental /backup/   指定增量备份文件备份的目录
    #--incremental-basedir    指定上一次全备或增量备份的目录
    删除数据来测试增量恢复

    增量恢复操作过程

    [root@localhost ~]# innobackupex --apply-log --redo-only /root/backup/2020-01-15_21-29-53/
    [root@localhost ~]# innobackupex --apply-log --redo-only /root/backup/2020-01-15_21-29-53/ --incremental-dir=/zl/backup/2020-01-15_21-47-03/
    [root@localhost ~]# systemctl stop mysqld
    [root@localhost ~]# cd /var/lib/mysql
    [root@localhost mysql]# rm -rf *
    [root@localhost mysql]# innobackupex --defaults-file=/etc/my.cnf --copy-back /root/backup/2020-01-15_21-29-53/
    [root@localhost mysql]# chown -R mysql:mysql ./*
    [root@localhost mysql]# systemctl start mysqld
    [root@localhost mysql]# mysql -uroot -p123456
    mysql: [Warning] Using a password on the command line interface can be insecure.
    Welcome to the MySQL monitor.  Commands end with ; or g.
    Your MySQL connection id is 2
    Server version: 5.7.29 MySQL Community Server (GPL)
    
    Copyright (c) 2000, 2020, 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 |
    | a                  |
    | mysql              |
    | performance_schema |
    | sys                |
    +--------------------+
    5 rows in set (0.00 sec)
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  • 原文地址:https://www.cnblogs.com/liujunjun/p/12198969.html
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