Não é possível abrir: http://rdo.Fedorapeople.org/openstack/openstack-grizzly/rdo-release-grizzly-1.noarch.rpm. Pulando

Question

No meu Cent OS6.5, quero instalar o abaixo:

[root@localhost /]# yum install -y http://rdo.Fedorapeople.org/openstack/openstack-grizzly/rdo-release-grizzly-1.noarch.rpm

Mas recebo as informações abaixo:

[root@localhost /]# yum install -y http://rdo.Fedorapeople.org/openstack/openstack-grizzly/rdo-release-grizzly-1.noarch.rpm
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.163.com
 * extras: mirrors.163.com
 * updates: mirrors.163.com
Setting up Install Process
Cannot open: http://rdo.Fedorapeople.org/openstack/openstack-grizzly/rdo-release-grizzly-1.noarch.rpm. Skipping.
Error: Nothing to do
[root@localhost /]# 

Como consertar isso?