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innobackupex实际调用了xtrabackup来完成备份：
1.使用yum安装xtrabackup:
yum install http://www.percona.com/downloads/percona-release/redhat/0.1-3/percona-release-0.1-3.noarch.rpm
yum install epel-release –y
yum install libev –y
yum install percona-xtrabackup
2.全量备份并将屏幕输出重定向到/tmp/xtrabackup.log方便以后分析：
[root@bogon ~]# innobackupex --defaults-file=/usr/local/mysql/my3317.cnf /tmp/ 2>/tmp/xtrabackup.log
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原文地址：http://www.cnblogs.com/xxmysql/p/5698843.html
