1、安装Percona Xtrabackup YUM Repository
--安装repository
[root@manager ~]# yum install https://www.percona.com/downloads/percona-release/redhat/0.1-3/percona-release-0.1-3.noarch.rpm
--查看repository信息
[root@manager ~]# yum list | grep percona
2、安装Percona Xtrabackup 需要的libev包
--官网文档说明：
Warning: In order to sucessfully install Percona XtraBackup libev package will need to be installed first.
libev package can be installed from the EPEL repositories.
由于libev包不在标准的系统镜镜像中,需要去EPEL获取相关包
http://mirrors.opencas.cn/epel/6/i386/repoview/epel-release.html
--安装epel yum repository
[root@manager ~]# yum install http://mirrors.opencas.cn/epel/6/i386/epel-release-6-8.noarch.rpm
--安装libev包
[root@manager ~]# yum install libev
3、安装Percona Xtrabackup
[root@manager ~]# yum list|grep percona
[root@manager ~]# yum install percona-xtrabackup-22.x86_64
