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Secondary question: Is there a way I can lock out the offending versions of
yum-rhn-plugin from my local mirror until RH fixes the problem ?
I am trying removing the RPMs from the repo_mirror, put
"exclude=yum-rhn-plugin" in /etc/yum.conf and trying a "cobbler
reposync"
I will report back my results.
No, unfortunately I don't think reposync supports blacklists of any
kind, and cobbler is just a wrapper around the standard CLI tools.