Hi,try:
-
Download mysql-community-libs-compat from mysql ([url]https://dev.mysql.com/downloads/mysql/[/url])
rpm -i mysql-community-libs-compat-5.7.17-1.el7.x86_64.rpm -
Install perl-DBD-MySQL
yum install perl-DBD-MySQL -
Install percona-xtrabackup
yum install percona-xtrabackup