mrepo: centos-5.9-x86_64: Found existing lock /var/cache/mrepo/centos-5.9-x86_64/update-epel.lock owned by pid 16071 mirror: Access failed: 404 Not Found (/6.3/fasttrack/x86_64/Packages/ http:) mrepo: Mirroring failed for http://vault.centos.org/6.3/fasttrack/x86_64/Packages with message: Failed with return code: 512 mrepo: centos-6.3-x86_64: Found existing lock /var/cache/mrepo/centos-6.3-x86_64/update-updates.lock owned by pid 16071 mirror: Access failed: 404 Not Found (/stable) mrepo: Mirroring failed for http://yum.theforeman.org/stable with message: Failed with return code: 256