(1) Download Xtrabackupwget https://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-2.2.11/binary/redhat/6/x86_64/ percona-xtrabackup-2.2.11-1.el6.x86_64.rpm
(2) RPM installation XTRABACKUPRPM-IVH percona-xtrabackup-2.2.11-1.el6.x86_64.rpm failure Reason: Perl needs to be installed first
(3) Installation perlyum-y install Perl perl-devel libaio libaio-devel perl-time-hires Perl-dbd-mysql failed
cause: Yum perl defaults to a conflict between installing mysql-libs-5.1.73-5.el6_6.x86_64 and the mysql-server-5.6.25-1.el6.x86_64 of the currently installed server. Therefore, you need to install the shared version first.
(4) Download and install Mysql-sharedwget Http://cdn.mysql.com/archives/mysql-5.6/MySQL-shared-5.6.15-1.el6.x86_64.rpmrpm-ih mysql-shared-5.6.15-1.el6.x86_64.rpm
(5) Download and install Mysql-shared-compatwget http://cdn.mysql.com/archives/mysql-5.6/MySQL-shared-compat-5.6.15-1.el6.x86_64.rpm
Rpm-ih mysql-shared-compat-5.6.15-1.el6.x86_64.rpm
(6) Reinstall Perlyum-y Install Perl perl-devel libaio libaio-devel perl-time-hires perl-dbd-mysqlSuccess
(7) Reinstall XTRABACKUPRPM-IVH PERCONA-XTRABACKUP-2.2.11-1.EL6.X86_64.RPM Success
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Centos 6.5 Final installation xtrabackup 2.2.11 small note