centos7安裝Xtrabackup

Xtrabackup是一個對InnoDB作數據備份的工具，支持在線熱備份。

1.安裝percona倉庫

yum -y install http://www.percona.com/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm

2.安裝xtrabackup

yum install percona-xtrabackup -y

3.建立備份用戶及設置權限

CREATE USER ‘bkpuser’@'localhost' IDENTIFIED BY 'password';

GRANT RELOAD,LOCK TABLES,PROCESS,REPLICATION CLIENT ON *.* TO 'bkpuser'@'localhost';

FLUSH PRIVILEGES;

4.配置xtrabackup

vim /root/.my.cnf

[xtrabackup]

user=bkpuser

password=password

5.執行一次全備份

xtrabackup --backup --target-dir=/data/backups/mysql/full_backup

6.在全備份的基準上執行第一次增量備份

xtrabackup --backup --target-dir=/data/backups/mysql_increase1 --incremental-basedir=/data/backups/mysql/full_backup

7.日後的每一次增量備份都以上一次增量備份爲基準

xtarbackup --backup --target-dir=/data/backups/mysql_increase2 --incremental-basedir=/data/backups/mysql_increase2

8.自動備份寫腳本