MySQL备份与恢复之percona-xtrabackup软件的使用

在前面，我们讲到MySQL冷备、热备、mysqldump、热拷贝、保证数据的一致性。因为mysql冷备、mysqldump、mysql热拷贝均不能实现增量

一 使用percona-xtrabackup的原因

在前面，我们讲到MySQL冷备、热备、mysqldump、热拷贝、保证数据的一致性。因为mysql冷备、mysqldump、mysql热拷贝均不能实现增量备份，在实际环境中增量备份是使用较多的，percona-xtrabackup就是为实现增量备份而生，因此我们需要使用percona-xtrabackup。

相关阅读：

MySQL备份与恢复之真实环境使用冷备

MySQL备份与恢复之冷备

MySQL备份与恢复之热备

MySQL 备份与恢复mysqldump

MySQL备份与恢复之热拷贝

MySQL备份与恢复之保证数据一致性

本文讲解percona-xtrabackup软件的使用，下一篇文章讲解percona-xtrabackup实现增量备份及恢复 。

二 什么是percona-xtrabackup

Percona XtraBackup is an open-source hot backup utility for MySQL -based servers that doesn’t lock your database during the backup.

It can back up data from , ,and tableson MySQL 5.1 , 5.5 and5.6 servers, as well as Percona Server with .For a high-level overview of many of its advanced features, including a featurecomparison, please see AboutPercona Xtrabackup.

Whether it is a 24x7 highly loaded server or alow-transaction-volume environment, Percona XtraBackup isdesigned to make backups a seamless procedure without disrupting theperformance of the server in a production environment.Commercial support contracts areavailable.

Percona XtraBackup is a combination of the xtrabackup C program,and the innobackupex Perl script. The xtrabackupprogramcopies and manipulates and datafiles, and the Perl script enables enhanced functionality,such as interacting with a running MySQL server and backing up tables.

三 软件及文档获取

软件获取

文档获取

四 软件使用讲解

注：本文采用的percona-xtrabackup版本为2.0.2，操作系统版本为RHEL 6.1 Server，MySQL版本为5.1

第一步，，准备文件并拷贝文件

[root@larrywen ule-mysql]# ll percona-xtrabackup-2.0.2-461.rhel6.x86_64.rpm -rwxr-xr-x. 1 root root 3786628 Sep 10 13:45 percona-xtrabackup-2.0.2-461.rhel6.x86_64.rpm [root@larrywen ule-mysql]# scp percona-xtrabackup-2.0.2-461.rhel6.x86_64.rpm 192.168.1.11:/opt