#ADDITIONAL_SOURCE="repodata,999,http://centos.bhs.mirrors.ovh.net/ftp.centos.org/6/os/x86_64/"
#ADDITIONAL_SOURCE="repodata,999,http://centos.bhs.mirrors.ovh.net/ftp.centos.org/6/updates/x86_64/"
It's a good answer. Thank you to IgorG and InderS
Peace on Earth.