Every time I tried to setup, it shows follwing error. Error: Package: openstack-nova-volume-2012.2.4-1.el6.noarch (@epel) Requires: openstack-nova-common = 2012.2.4-1.el6 Removing: openstack-nova-common-2012.2.4-1.el6.noarch (@epel) openstack-nova-common = 2012.2.4-1.el6 Updated By: openstack-nova-common-2014.1.2-1.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1.2-1.el6 Available: openstack-nova-common-2013.2-0.19.b3.el6.noarch (openstack-havana) openstack-nova-common = 2013.2-0.19.b3.el6 Available: openstack-nova-common-2013.2-0.23.rc1.el6.noarch (openstack-havana) openstack-nova-common = 2013.2-0.23.rc1.el6 Available: openstack-nova-common-2013.2-0.25.rc1.el6.noarch (openstack-havana) openstack-nova-common = 2013.2-0.25.rc1.el6 Available: openstack-nova-common-2013.2-0.26.rc2.el6.noarch (openstack-havana) openstack-nova-common = 2013.2-0.26.rc2.el6 Available: openstack-nova-common-2013.2-2.el6.noarch (openstack-havana) openstack-nova-common = 2013.2-2.el6 Available: openstack-nova-common-2013.2-3.el6.noarch (openstack-havana) openstack-nova-common = 2013.2-3.el6 Available: openstack-nova-common-2013.2-5.el6.noarch (openstack-havana) openstack-nova-common = 2013.2-5.el6 Available: openstack-nova-common-2013.2.1-1.el6.noarch (openstack-havana) openstack-nova-common = 2013.2.1-1.el6 Available: openstack-nova-common-2013.2.1-3.el6.noarch (openstack-havana) openstack-nova-common = 2013.2.1-3.el6 Available: openstack-nova-common-2013.2.2-1.el6.noarch (openstack-havana) openstack-nova-common = 2013.2.2-1.el6 Available: openstack-nova-common-2013.2.3-1.el6.noarch (openstack-havana) openstack-nova-common = 2013.2.3-1.el6 Available: openstack-nova-common-2014.1-0.5.b1.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-0.5.b1.el6 Available: openstack-nova-common-2014.1-0.9.b2.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-0.9.b2.el6 Available: openstack-nova-common-2014.1-0.11.b3.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-0.11.b3.el6 Available: openstack-nova-common-2014.1-0.12.rc1.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-0.12.rc1.el6 Available: openstack-nova-common-2014.1-0.13.rc2.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-0.13.rc2.el6 Available: openstack-nova-common-2014.1-1.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-1.el6 Available: openstack-nova-common-2014.1-2.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-2.el6 Available: openstack-nova-common-2014.1-4.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1-4.el6 Available: openstack-nova-common-2014.1.1-1.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1.1-1.el6 Available: openstack-nova-common-2014.1.1-2.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1.1-2.el6 Available: openstack-nova-common-2014.1.1-3.el6.noarch (openstack-icehouse) openstack-nova-common = 2014.1.1-3.el6 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest