# repo = os arch = x86_64, release = 7
https://mirror.rackspace.com/centos-vault/centos/7/os/x86_64/
http://archive.kernel.org/centos-vault/centos/7/os/x86_64/
http://vault.centos.org/centos/7/os/x86_64/
http://mirror.nsc.liu.se/centos-store/centos/7/os/x86_64/