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)