The answer will be the same on CentOS I think... if you are not using
that config dir (it's better to use the dir IMHO), examine /etc/yum.conf
and disable the dag repo in there the same way.
I now get the following error, sporadically, after commenting out the
DAG entry in /etc/yum.conf
Setting up Install Process
Setting up Repos
[Errno 4] IOError: <urlopen error (113, 'No route to host')>
Trying other mirror.
Cannot open/read repomd.xml file for repository: addons
failure: repodata/repomd.xml from addons: [Errno 256] No more mirrors to